Merge b3ebe12c6f into a0c0802838

2021-05-23 13:28:52 +00:00 · 2021-05-23 13:28:52 +00:00 · 331ec5dba5
parent a0c0802838 b3ebe12c6f
commit 331ec5dba5
74 changed files with 3168 additions and 1057 deletions
--- a/.golangci.yml
+++ b/.golangci.yml
@ -16,4 +16,4 @@ linters:
    - gofumpt
    - gosec
    - nlreturn
-    - gocritic
+    - exhaustive
--- a/.run/calendar.run.xml
+++ b/.run/calendar.run.xml
@ -0,0 +1,12 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="calendar" type="GoApplicationRunConfiguration" factoryName="Go Application">
+    <module name="HW_OTUS" />
+    <working_directory value="$PROJECT_DIR$/hw12_13_14_15_calendar" />
+    <parameters value="-config=configs/calendar.conf" />
+    <kind value="PACKAGE" />
+    <package value="github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/cmd/calendar" />
+    <directory value="$PROJECT_DIR$" />
+    <filePath value="$PROJECT_DIR$/hw12_13_14_15_calendar/cmd/calendar/main.go" />
+    <method v="2" />
+  </configuration>
+</component>
--- a/.run/integration.run.xml
+++ b/.run/integration.run.xml
@ -0,0 +1,12 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="integration" type="GoTestRunConfiguration" factoryName="Go Test">
+    <module name="HW_OTUS" />
+    <working_directory value="$PROJECT_DIR$/hw12_13_14_15_calendar/test" />
+    <kind value="PACKAGE" />
+    <package value="github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/test" />
+    <directory value="$PROJECT_DIR$" />
+    <filePath value="$PROJECT_DIR$" />
+    <framework value="gotest" />
+    <method v="2" />
+  </configuration>
+</component>
--- a/.run/scheduler.run.xml
+++ b/.run/scheduler.run.xml
@ -0,0 +1,13 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="scheduler" type="GoApplicationRunConfiguration" factoryName="Go Application">
+    <module name="HW_OTUS" />
+    <working_directory value="$PROJECT_DIR$/hw12_13_14_15_calendar" />
+    <go_parameters value="-i" />
+    <parameters value="-config=configs/scheduler.conf" />
+    <kind value="PACKAGE" />
+    <package value="github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/cmd/scheduler" />
+    <directory value="$PROJECT_DIR$" />
+    <filePath value="$PROJECT_DIR$" />
+    <method v="2" />
+  </configuration>
+</component>
--- a/.run/sender.run.xml
+++ b/.run/sender.run.xml
@ -0,0 +1,13 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="sender" type="GoApplicationRunConfiguration" factoryName="Go Application">
+    <module name="HW_OTUS" />
+    <working_directory value="$PROJECT_DIR$/hw12_13_14_15_calendar" />
+    <go_parameters value="-i" />
+    <parameters value="-config=configs/sender.conf" />
+    <kind value="PACKAGE" />
+    <package value="github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/cmd/sender" />
+    <directory value="$PROJECT_DIR$" />
+    <filePath value="$PROJECT_DIR$" />
+    <method v="2" />
+  </configuration>
+</component>
--- a/hw08_zenv_to_structure/go.mod
+++ b/hw08_zenv_to_structure/go.mod
@ -2,4 +2,4 @@ module github.com/tiburon-777/HW_OTUS/hw08_zenv_to_structure

 go 1.14

-require github.com/stretchr/testify v1.6.1
+require github.com/stretchr/testify v1.6.1
--- a/hw08_zenv_to_structure/go.sum
+++ b/hw08_zenv_to_structure/go.sum
@ -0,0 +1,6 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/hw12_13_14_15_calendar/Makefile
+++ b/hw12_13_14_15_calendar/Makefile
@ -1,22 +1,64 @@
 cdir = $(shell pwd)

-build:
-	go build -o ./bin/calendar ./cmd/calendar/main.go
+inplace-integration-test:
+	go test -count 10 -race ./cmd/calendar/... --config ./../../configs/calendar.conf

-run:
-	go run ./cmd/calendar/main.go -config ./configs/config.toml
+bdd:
+	docker build -t bdd --network host -f test/Dockerfile .
+
+integration-test:
+	set -e ;\
+	docker-compose -f ./cicd/dc_sup.yml up -d --build ;\
+	docker-compose -f ./cicd/dc_calendar.yml up -d --build ;\
+	docker-compose -f ./cicd/dc_sender.yml up -d --build ;\
+	docker-compose -f ./cicd/dc_sheduler.yml up -d --build ;\
+	test_status_code=0 ;\
+	docker build -t bdd --network host -f test/Dockerfile . || test_status_code=$$? ;\
+	docker-compose -f ./cicd/dc_sup.yml down --rmi local --volumes --remove-orphans --timeout 60 ;\
+	docker-compose -f ./cicd/dc_calendar.yml down --rmi local --volumes --remove-orphans --timeout 60 ;\
+	docker-compose -f ./cicd/dc_sender.yml down --rmi local --volumes --remove-orphans --timeout 60 ;\
+	docker-compose -f ./cicd/dc_sheduler.yml down --rmi local --volumes --remove-orphans --timeout 60 ;\
+	exit $$test_status_code

 test:
-	go test -race ./internal/...
+	go test -race ./internal/... ./pkg/...

 lint: install-lint-deps
-	golangci-lint run .cmd/... ./internal/...
+	golangci-lint run .cmd/... ./internal/...  ./pkg/...

 install-lint-deps:
 	(which golangci-lint > /dev/null) || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.30.0

 generate:
-	protoc  -I ./grpcserver  --go_out=plugins=grpc:./internal/grpcserver --grpc-gateway_out=logtostderr=true:./internal/grpcserver ./grpcserver/grpcserver.proto
+	protoc  -I ./api/public  --go_out=plugins=grpc:./pkg/api/public ./api/public/public.proto
+	protoc  -I ./api/private  --go_out=plugins=grpc:./internal/api/private ./api/private/private.proto

+up: sup-up calendar-up sender-up sheduler-up
+
+down: calendar-down sender-down sheduler-down sup-down clean
+
+calendar-up:
+	docker-compose -f ./cicd/dc_calendar.yml up -d --build
+calendar-down:
+	docker-compose -f ./cicd/dc_calendar.yml down
+
+sender-up:
+	docker-compose -f ./cicd/dc_sender.yml up -d --build
+sender-down:
+	docker-compose -f ./cicd/dc_sender.yml down
+
+scheduler-up:
+	docker-compose -f ./cicd/dc_sheduler.yml up -d --build
+scheduler-down:
+	docker-compose -f ./cicd/dc_sheduler.yml down
+
+sup-up:
+	docker-compose -f ./cicd/dc_sup.yml up -d --build
+sup-down:
+	docker-compose -f ./cicd/dc_sup.yml down --rmi local -v
+
+debug: sup-up calendar-up sender-up
+
+kill: sender-down calendar-down sup-down

 .PHONY: build run test lint
--- a/hw12_13_14_15_calendar/api/private/private.proto
+++ b/hw12_13_14_15_calendar/api/private/private.proto
@ -0,0 +1,37 @@
+syntax = "proto3";
+
+package private;
+
+option go_package = "private";
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/empty.proto";
+
+
+service grpc {
+  rpc GetNotifications(google.protobuf.Empty) returns (GetRsp) {}
+  rpc SetNotified(SetReq) returns (google.protobuf.Empty) {}
+  rpc PurgeOldEvents(PurgeReq) returns (PurgeResp) {}
+}
+
+message GetRsp {
+  repeated Event Events = 1;
+}
+
+message SetReq {
+  int64 ID  = 1;
+}
+message PurgeReq {
+  int64 OlderThenDays = 1;
+}
+
+message PurgeResp {
+  int64 Qty = 1;
+}
+
+message Event {
+  int64 ID  = 1;
+  string Title = 2;
+  google.protobuf.Timestamp Date = 3;
+  int64 UserID = 4;
+}
--- a/hw12_13_14_15_calendar/api/public/google/api/annotations.proto
+++ b/hw12_13_14_15_calendar/api/public/google/api/annotations.proto
--- a/hw12_13_14_15_calendar/api/public/google/api/http.proto
+++ b/hw12_13_14_15_calendar/api/public/google/api/http.proto
--- a/hw12_13_14_15_calendar/api/public/google/api/httpbody.proto
+++ b/hw12_13_14_15_calendar/api/public/google/api/httpbody.proto
--- a/hw12_13_14_15_calendar/grpcserver/grpcserver.proto
+++ b/hw12_13_14_15_calendar/grpcserver/grpcserver.proto
@ -1,8 +1,8 @@
 syntax = "proto3";

-package grpcserver;
+package public;

-option go_package = "grpcserver";
+option go_package = "public";

 import "google/protobuf/timestamp.proto";
 import "google/protobuf/duration.proto";
@ -58,6 +58,7 @@ message Event {
  string Note = 5;
  int64 UserID = 6;
  google.protobuf.Duration NotifyTime = 7;
+  bool notified = 8;
 }

 message CreateReq {
--- a/hw12_13_14_15_calendar/cicd/calendar/Dockerfile
+++ b/hw12_13_14_15_calendar/cicd/calendar/Dockerfile
@ -0,0 +1,17 @@
+FROM golang:1.14 as builder
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+RUN go get -d ./cmd/calendar/.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o calendar ./cmd/calendar/.
+
+FROM alpine:latest
+ENV APP_GRPC_PORT $APP_GRPC_PORT
+ENV APP_HTTP_PORT $APP_HTTP_PORT
+ENV APP_API_PORT $APP_API_PORT
+WORKDIR /
+COPY --from=builder /app/calendar ./sbin
+EXPOSE ${APP_GRPC_PORT}
+EXPOSE ${APP_HTTP_PORT}
+EXPOSE ${APP_API_PORT}
+ENTRYPOINT ["calendar"]
--- a/hw12_13_14_15_calendar/cicd/dc_calendar.yml
+++ b/hw12_13_14_15_calendar/cicd/dc_calendar.yml
@ -0,0 +1,25 @@
+version: '3'
+services:
+  calendar:
+    build:
+      context: ..
+      dockerfile: ./cicd/calendar/Dockerfile
+    volumes:
+      - ../logs:/logs
+    restart: on-failure
+    environment:
+      APP_GRPC_ADDRESS: 0.0.0.0
+      APP_GRPC_PORT: 50051
+      APP_HTTP_ADDRESS: 0.0.0.0
+      APP_HTTP_PORT: 50052
+      APP_API_ADDRESS: 0.0.0.0
+      APP_API_PORT: 50053
+      APP_LOGGER_FILE: /logs/calendar.log
+      APP_LOGGER_LEVEL: INFO
+      APP_STORAGE_INMEMORY: "false"
+      APP_STORAGE_SQLHOST: localhost
+      APP_STORAGE_SQLPORT: 5432
+      APP_STORAGE_SQLDBASE: calendar
+      APP_STORAGE_SQLUSER: calendar
+      APP_STORAGE_SQLPASS: 12345678
+    network_mode: host
--- a/hw12_13_14_15_calendar/cicd/dc_sender.yml
+++ b/hw12_13_14_15_calendar/cicd/dc_sender.yml
@ -0,0 +1,22 @@
+version: '3'
+services:
+  sender:
+    build:
+      context: ..
+      dockerfile: ./cicd/sender/Dockerfile
+    volumes:
+      - ../logs:/logs
+    restart: on-failure
+    environment:
+      APP_RABBITMQ_ADDRESS: localhost
+      APP_RABBITMQ_PORT: 5672
+      APP_RABBITMQ_LOGIN: rabbit
+      APP_RABBITMQ_PASS: rabbit
+      APP_RABBITMQ_EXCHANGE: calendar
+      APP_RABBITMQ_QUEUE: notifications
+      APP_RABBITMQ_KEY: events
+      APP_API_ADDRESS: localhost
+      APP_API_PORT: 50053
+      APP_LOGGER_FILE: /logs/calendar.log
+      APP_LOGGER_LEVEL: INFO
+    network_mode: host
--- a/hw12_13_14_15_calendar/cicd/dc_sheduler.yml
+++ b/hw12_13_14_15_calendar/cicd/dc_sheduler.yml
@ -0,0 +1,22 @@
+version: '3'
+services:
+  scheduler:
+    build:
+      context: ..
+      dockerfile: ./cicd/scheduler/Dockerfile
+    volumes:
+      - ../logs:/logs
+    restart: on-failure
+    environment:
+      APP_RABBITMQ_ADDRESS: localhost
+      APP_RABBITMQ_PORT: 5672
+      APP_RABBITMQ_LOGIN: rabbit
+      APP_RABBITMQ_PASS: rabbit
+      APP_RABBITMQ_EXCHANGE: calendar
+      APP_RABBITMQ_QUEUE: notifications
+      APP_RABBITMQ_KEY: events
+      APP_API_ADDRESS: localhost
+      APP_API_PORT: 50053
+      APP_LOGGER_FILE: /logs/calendar.log
+      APP_LOGGER_LEVEL: INFO
+    network_mode: host
--- a/hw12_13_14_15_calendar/cicd/dc_sup.yml
+++ b/hw12_13_14_15_calendar/cicd/dc_sup.yml
@ -0,0 +1,34 @@
+version: '3'
+services:
+  goose:
+    build:
+      context: ..
+      dockerfile: ./cicd/goose/Dockerfile
+    restart: on-failure
+    environment:
+      GOOSE_DRIVER: "postgres"
+      GOOSE_DBSTRING: "host=localhost port=5432 user=calendar password=12345678 dbname=calendar sslmode=disable"
+    depends_on:
+      - psql
+    network_mode: host
+
+  psql:
+    image: postgres:11-alpine
+    hostname: "psql"
+    container_name: psql
+    environment:
+      POSTGRES_USER: calendar
+      POSTGRES_PASSWORD: 12345678
+      POSTGRES_DB: calendar
+    network_mode: host
+
+  rabbitmq:
+    image: rabbitmq:3-management-alpine
+    hostname: "rabbitmq"
+    container_name: rabbitmq
+    environment:
+      RABBITMQ_ERLANG_COOKIE: "SWQOKODSQALRPCLNMEQG"
+      RABBITMQ_DEFAULT_USER: "rabbit"
+      RABBITMQ_DEFAULT_PASS: "rabbit"
+      RABBITMQ_DEFAULT_VHOST: "/"
+    network_mode: host
--- a/hw12_13_14_15_calendar/cicd/goose/Dockerfile
+++ b/hw12_13_14_15_calendar/cicd/goose/Dockerfile
@ -0,0 +1,5 @@
+FROM golang:1.14
+WORKDIR /
+RUN go get -u github.com/pressly/goose/cmd/goose
+COPY . .
+ENTRYPOINT ["/go/bin/goose", "-dir", "migrations", "up"]
--- a/hw12_13_14_15_calendar/cicd/scheduler/Dockerfile
+++ b/hw12_13_14_15_calendar/cicd/scheduler/Dockerfile
@ -0,0 +1,11 @@
+FROM golang:1.14 as builder
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+RUN go get -d ./cmd/scheduler/.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o scheduler ./cmd/scheduler/.
+
+FROM alpine:latest
+WORKDIR /
+COPY --from=builder /app/scheduler ./sbin
+ENTRYPOINT ["scheduler"]
--- a/hw12_13_14_15_calendar/cicd/sender/Dockerfile
+++ b/hw12_13_14_15_calendar/cicd/sender/Dockerfile
@ -0,0 +1,11 @@
+FROM golang:1.14 as builder
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+RUN go get -d ./cmd/sender/.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o sender ./cmd/sender/.
+
+FROM alpine:latest
+WORKDIR /
+COPY --from=builder /app/sender ./sbin
+ENTRYPOINT ["sender"]
--- a/hw12_13_14_15_calendar/cmd/calendar/main.go
+++ b/hw12_13_14_15_calendar/cmd/calendar/main.go
@ -3,8 +3,8 @@ package main
 import (
 	"context"
 	"flag"
-	"github.com/grpc-ecosystem/grpc-gateway/runtime"
-	"google.golang.org/grpc"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/api/private"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/rest"
 	oslog "log"
 	"net"
 	"net/http"
@ -12,43 +12,37 @@ import (
 	"os/signal"
 	"syscall"

-	_ "github.com/go-sql-driver/mysql"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/app"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/config"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/grpcserver"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/logger"
-	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage"
+	"github.com/gorilla/mux"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage"
 )

 var configFile string

 func init() {
-	flag.StringVar(&configFile, "config", "/etc/calendar/config.toml", "Path to configuration file")
+	flag.StringVar(&configFile, "config", "", "Path to configuration file")
 	flag.Parse()
 }

 func main() {
-	conf, err := config.NewConfig(configFile)
+	var conf config.Calendar
+	err := config.New(configFile, &conf)
 	if err != nil {
-		oslog.Fatal("не удалось открыть файл конфигурации:", err.Error())
+		oslog.Fatal("can't get config:", err.Error())
 	}
-	log, err := logger.New(conf)
+	log, err := logger.New(logger.Config(conf.Logger))
 	if err != nil {
-		oslog.Fatal("не удалось запустить логер:", err.Error())
+		oslog.Fatal("can't start logger:", err.Error())
 	}
-	storeConf := store.Config{
-		InMemory: conf.Storage.InMemory,
-		SQLHost:  conf.Storage.SQLHost,
-		SQLPort:  conf.Storage.SQLPort,
-		SQLDbase: conf.Storage.SQLDbase,
-		SQLUser:  conf.Storage.SQLUser,
-		SQLPass:  conf.Storage.SQLPass,
-	}
-	st := store.NewStore(storeConf)

-	calendar := app.New(log, st)
+	st := store.NewStore(store.Config(conf.Storage))

-	serverGRPC := grpcserver.New(calendar)
+	calendar := calendar.New(log, st)
+
+	serverGRPC := public.New(calendar)
 	go func() {
 		if err := serverGRPC.Start(conf); err != nil {
 			log.Errorf("failed to start grpc server: " + err.Error())
@ -56,33 +50,37 @@ func main() {
 		}
 	}()

-	grpcDiler, err := grpc.Dial(net.JoinHostPort(conf.HTTP.Address, conf.HTTP.Port), grpc.WithInsecure())
-	if err != nil {
-		log.Errorf("can't dial grpc server: " + err.Error())
-		os.Exit(1)
-	}
-	defer grpcDiler.Close()
-
-	grpcGwRouter := runtime.NewServeMux()
-
-	if err = grpcserver.RegisterGrpcHandler(context.Background(), grpcGwRouter, grpcDiler); err != nil {
-		log.Errorf("can't register handlers for grpc-gateway: " + err.Error())
-		os.Exit(1)
-	}
-
-	mux := http.NewServeMux()
-	mux.Handle("/", grpcGwRouter)
+	serverAPI := private.New(calendar)
 	go func() {
-		log.Infof("start webAPI server")
-		if err := http.ListenAndServe(net.JoinHostPort(conf.HTTP.Address, conf.HTTP.Port), mux); err != nil {
+		if err := serverAPI.Start(private.Config(conf.API)); err != nil {
+			log.Errorf("failed to start API server: " + err.Error())
+			os.Exit(1)
+		}
+	}()
+
+	_, cancel := context.WithCancel(context.Background())
+	m := mux.NewRouter()
+
+	m.HandleFunc("/events", rest.FromRESTCreate(calendar)).Methods("POST")
+	m.HandleFunc("/events/{ID}", rest.FromRESTUpdate(calendar)).Methods("PUT")
+	m.HandleFunc("/events/{ID}", rest.FromRESTDelete(calendar)).Methods("DELETE")
+	m.HandleFunc("/events", rest.FromRESTList(calendar)).Methods("GET")
+	m.HandleFunc("/events/{ID}", rest.FromRESTGetByID(calendar)).Methods("GET")
+	m.HandleFunc("/events/{Range}/{Date}", rest.FromRESTGetByDate(calendar)).Methods("GET")
+
+	go func() {
+		log.Infof("webAPI server starting")
+		if err := http.ListenAndServe(net.JoinHostPort(conf.HTTP.Address, conf.HTTP.Port), m); err != nil {
 			log.Errorf("failed to start webAPI server: " + err.Error())
 			os.Exit(1)
 		}
 	}()

 	signals := make(chan os.Signal, 1)
-	signal.Notify(signals,syscall.SIGINT)
+	signal.Notify(signals, syscall.SIGINT)
 	<-signals
 	signal.Stop(signals)
 	serverGRPC.Stop()
+	serverAPI.Stop()
+	cancel()
 }
--- a/hw12_13_14_15_calendar/cmd/calendar/main_test.go
+++ b/hw12_13_14_15_calendar/cmd/calendar/main_test.go
@ -0,0 +1,161 @@
+package main
+
+import (
+	"context"
+	"github.com/golang/protobuf/ptypes"
+	"github.com/golang/protobuf/ptypes/duration"
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/golang/protobuf/ptypes/timestamp"
+	"github.com/stretchr/testify/require"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"log"
+	"os"
+	"sync"
+	"testing"
+	"time"
+)
+
+var _ = func() bool {
+	testing.Init()
+	return true
+}()
+
+const testPortBase = 3000
+
+var testEvent01 = public.CreateReq{
+	Title:      "Test event 01",
+	Date:       time2pbtimestamp(time.Now().Add(30 * time.Second)),
+	Latency:    dur2pbduration(24 * time.Hour),
+	Note:       "Note of test event 01",
+	NotifyTime: dur2pbduration(5 * time.Minute),
+	UserID:     1111,
+}
+
+var testEvent02 = public.CreateReq{
+	Title:      "Test event 02",
+	Date:       time2pbtimestamp(time.Now().Add(60 * time.Second)),
+	Latency:    dur2pbduration(2 * 24 * time.Hour),
+	Note:       "Note of test event 02",
+	NotifyTime: dur2pbduration(5 * time.Minute),
+	UserID:     2222,
+}
+
+func TestMain(m *testing.M) {
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	go func(ctx context.Context) {
+		main()
+	}(ctx)
+	time.Sleep(1 * time.Second)
+
+	c := m.Run()
+
+	cancel()
+	os.Exit(c)
+}
+
+func TestPublicGRPCEndpoint(t *testing.T) {
+	wg := sync.WaitGroup{}
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	publicAPI, err := public.NewClient(ctx, "localhost", "50051")
+	require.NoError(t, err)
+
+	wg.Add(5)
+	// Реализовать тесты логики приложения:
+	t.Run("test public GRPC.Create and GRPC.GetById", func(t *testing.T) {
+		defer wg.Done()
+		resp1, err := publicAPI.Create(ctx, &testEvent01)
+		require.NoError(t, err)
+		require.Greater(t, resp1.ID, int64(0))
+
+		resp2, err := publicAPI.GetByID(ctx, &public.GetByIDReq{ID: resp1.ID})
+		require.NoError(t, err)
+		require.Equal(t, 1, len(resp2.Events))
+		require.Equal(t, testEvent01.Title, resp2.Events[0].Title)
+		require.Equal(t, testEvent01.UserID, resp2.Events[0].UserID)
+		require.Equal(t, testEvent01.Date.Seconds, resp2.Events[0].Date.Seconds)
+		require.Equal(t, testEvent01.Note, resp2.Events[0].Note)
+	})
+
+	t.Run("test public GRPC.Create, GRPC.Update and GRPC.GetById", func(t *testing.T) {
+		defer wg.Done()
+		resp1, err := publicAPI.Create(ctx, &testEvent01)
+		require.NoError(t, err)
+		require.Greater(t, resp1.ID, int64(0))
+		_, err = publicAPI.Update(ctx, &public.UpdateReq{ID: resp1.ID, Event: &public.Event{ID: resp1.ID, Title: testEvent02.Title, Date: testEvent02.Date, Latency: testEvent02.Latency, Note: testEvent02.Note, UserID: testEvent02.UserID, NotifyTime: testEvent02.NotifyTime}})
+		require.NoError(t, err)
+		resp2, err := publicAPI.GetByID(ctx, &public.GetByIDReq{ID: resp1.ID})
+		require.NoError(t, err)
+		require.Equal(t, 1, len(resp2.Events))
+		require.Equal(t, testEvent02.Title, resp2.Events[0].Title)
+		require.Equal(t, testEvent02.UserID, resp2.Events[0].UserID)
+		require.Equal(t, testEvent02.Date.Seconds, resp2.Events[0].Date.Seconds)
+		require.Equal(t, testEvent02.Note, resp2.Events[0].Note)
+	})
+
+	t.Run("test public GRPC.Create, GRPC.Delete and GRPC.GetById", func(t *testing.T) {
+		defer wg.Done()
+		resp1, err := publicAPI.Create(ctx, &testEvent01)
+		require.NoError(t, err)
+		require.Greater(t, resp1.ID, int64(0))
+		_, err = publicAPI.Delete(ctx, &public.DeleteReq{ID: resp1.ID})
+		require.NoError(t, err)
+		resp2, err := publicAPI.GetByID(ctx, &public.GetByIDReq{ID: resp1.ID})
+		require.Error(t, err)
+		require.Nil(t, resp2)
+	})
+
+	t.Run("test public GRPC.Create and GRPC.List", func(t *testing.T) {
+		defer wg.Done()
+		resp1, err := publicAPI.Create(ctx, &testEvent01)
+		require.NoError(t, err)
+		resp2, err := publicAPI.Create(ctx, &testEvent02)
+		require.NoError(t, err)
+		require.NotEqual(t, resp1.ID, resp2.ID)
+
+		list, err := publicAPI.List(ctx, &empty.Empty{})
+		require.NoError(t, err)
+		require.GreaterOrEqual(t, len(list.Events), 2)
+		var e1, e2 bool
+		for _, v := range list.Events {
+			if v.ID == resp1.ID {
+				e1 = true
+			}
+			if v.ID == resp2.ID {
+				e2 = true
+			}
+		}
+		require.True(t, e1)
+		require.True(t, e2)
+	})
+
+	t.Run("test public GRPC.Create and GRPC.GetByDate", func(t *testing.T) {
+		defer wg.Done()
+		resp1, err := publicAPI.Create(ctx, &testEvent01)
+		require.NoError(t, err)
+		list, err := publicAPI.GetByDate(ctx, &public.GetByDateReq{Date: testEvent01.Date, Range: public.QueryRange_DAY})
+		require.NoError(t, err)
+		require.GreaterOrEqual(t, len(list.Events), 2)
+		var e1 bool
+		for _, v := range list.Events {
+			if v.ID == resp1.ID {
+				e1 = true
+			}
+		}
+		require.True(t, e1)
+	})
+
+	wg.Wait()
+}
+
+func time2pbtimestamp(t time.Time) *timestamp.Timestamp {
+	r, err := ptypes.TimestampProto(t)
+	if err != nil {
+		log.Fatalf("cant convert Time to Timestamp: %s", err.Error())
+	}
+	return r
+}
+
+func dur2pbduration(t time.Duration) *duration.Duration {
+	return ptypes.DurationProto(t)
+}
--- a/hw12_13_14_15_calendar/cmd/scheduler/main.go
+++ b/hw12_13_14_15_calendar/cmd/scheduler/main.go
@ -0,0 +1,42 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	_ "github.com/go-sql-driver/mysql"
+
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/sheduler"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+)
+
+var configFile string
+
+func init() {
+	flag.StringVar(&configFile, "config", "", "Path to configuration file")
+	flag.Parse()
+}
+
+func main() {
+	var conf sheduler.Config
+	err := config.New(configFile, &conf)
+	if err != nil {
+		log.Fatal("can't get config:", err.Error())
+	}
+	app := sheduler.New(conf)
+
+	if err = app.Start(); err != nil {
+		app.Logger.Errorf("failed to start scheduler: ", err.Error())
+		os.Exit(1)
+	}
+
+	signals := make(chan os.Signal, 1)
+	signal.Notify(signals, syscall.SIGINT)
+	<-signals
+	signal.Stop(signals)
+	app.Stop()
+	log.Println("scheduler shutdown gracefully")
+}
--- a/hw12_13_14_15_calendar/cmd/sender/main.go
+++ b/hw12_13_14_15_calendar/cmd/sender/main.go
@ -0,0 +1,40 @@
+package main
+
+import (
+	"flag"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/sender"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+var configFile string
+
+func init() {
+	flag.StringVar(&configFile, "config", "", "Path to configuration file")
+	flag.Parse()
+}
+
+func main() {
+	var conf sender.Config
+	err := config.New(configFile, &conf)
+	if err != nil {
+		log.Fatal("can't get config:", err.Error())
+	}
+	app := sender.New(conf)
+
+	if err = app.Start(); err != nil {
+		app.Logger.Errorf("failed to start sender: ", err.Error())
+		os.Exit(1)
+	}
+
+	signals := make(chan os.Signal, 1)
+	signal.Notify(signals, syscall.SIGINT)
+	<-signals
+	signal.Stop(signals)
+	app.Stop()
+	log.Println("sender shutdown gracefully")
+}
--- a/hw12_13_14_15_calendar/configs/calendar.conf
+++ b/hw12_13_14_15_calendar/configs/calendar.conf
@ -6,8 +6,12 @@ Port = "50051"
 Address = "localhost"
 Port = "50052"

+[API]
+Address = "localhost"
+Port = "50053"
+
 [Logger]
-File = "./calendar.log"
+File = "./logs/calendar.log"
 Level = "INFO"

 [Storage]
--- a/hw12_13_14_15_calendar/configs/scheduler.conf
+++ b/hw12_13_14_15_calendar/configs/scheduler.conf
@ -0,0 +1,16 @@
+[Rabbitmq]
+Address = "localhost"
+Port = "5672"
+Login = "rabbit"
+Pass = "rabbit"
+Exchange = "calendar"
+Queue = "notifications"
+Key = "events"
+
+[Logger]
+File = "./logs/calendar.log"
+Level = "INFO"
+
+[CalendarAPI]
+Address = "localhost"
+Port = "50053"
--- a/hw12_13_14_15_calendar/configs/sender.conf
+++ b/hw12_13_14_15_calendar/configs/sender.conf
@ -0,0 +1,16 @@
+[Rabbitmq]
+Address = "localhost"
+Port = "5672"
+Login = "rabbit"
+Pass = "rabbit"
+Exchange = "calendar"
+Queue = "notifications"
+Key = "events"
+
+[Logger]
+File = "./logs/calendar.log"
+Level = "INFO"
+
+[CalendarAPI]
+Address = "localhost"
+Port = "50053"
--- a/hw12_13_14_15_calendar/deployments/docker-compose.yaml
+++ b/hw12_13_14_15_calendar/deployments/docker-compose.yaml
@ -1 +0,0 @@
-version: "3"
--- a/hw12_13_14_15_calendar/go.mod
+++ b/hw12_13_14_15_calendar/go.mod
@ -5,18 +5,20 @@ go 1.14
 require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/amitrai48/logger v0.0.0-20190214092904-448001c055ec
-	github.com/daixiang0/gci v0.2.4 // indirect
-	github.com/dmitryt/otus-golang-hw/hw12_13_14_15_calendar v0.0.0-20200916093948-5ca8860569b6
+	github.com/daixiang0/gci v0.2.8 // indirect
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/golang/protobuf v1.4.2
-	github.com/grpc-ecosystem/grpc-gateway v1.15.0
-	github.com/rs/zerolog v1.20.0
+	github.com/gorilla/mux v1.8.0
+	github.com/kr/text v0.2.0 // indirect
+	github.com/lib/pq v1.10.0
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/sirupsen/logrus v1.4.2 // indirect
+	github.com/streadway/amqp v1.0.0
 	github.com/stretchr/testify v1.6.1
 	go.uber.org/zap v1.15.0 // indirect
-	golang.org/x/net v0.0.0-20200625001655-4c5254603344
-	golang.org/x/tools v0.0.0-20200724022722-7017fd6b1305 // indirect
 	google.golang.org/genproto v0.0.0-20200815001618-f69a88009b70
 	google.golang.org/grpc v1.32.0
-	google.golang.org/protobuf v1.25.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect
 )
--- a/hw12_13_14_15_calendar/go.sum
+++ b/hw12_13_14_15_calendar/go.sum
@ -1,49 +1,29 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/amitrai48/logger v0.0.0-20190214092904-448001c055ec h1:tDOPo9NAXCjvoK35HgZyzQSNLmb3chZqN2tnO273Bro=
 github.com/amitrai48/logger v0.0.0-20190214092904-448001c055ec/go.mod h1:RZEHP3cxXvQlMuMjkpdh6qXA4b0CpjxnUBNxOpR0r30=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/daixiang0/gci v0.2.4/go.mod h1:+AV8KmHTGxxwp/pY84TLQfFKp2vuKXXJVzF3kD/hfR4=
+github.com/daixiang0/gci v0.2.8 h1:1mrIGMBQsBu0P7j7m1M8Lb+ZeZxsZL+jyGX4YoMJJpg=
+github.com/daixiang0/gci v0.2.8/go.mod h1:+4dZ7TISfSmqfAGv59ePaHfNzgGtIkHAhhdKggP1JAc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dmitryt/otus-golang-hw/hw12_13_14_15_calendar v0.0.0-20200916093948-5ca8860569b6 h1:kbX6KBmjfEYzBbEk2/bfAXgocxhzFQXH+5Tpr7gNg0k=
-github.com/dmitryt/otus-golang-hw/hw12_13_14_15_calendar v0.0.0-20200916093948-5ca8860569b6/go.mod h1:f//zKg1isd70tsJVPWphzKLXd7pvW4Owmtobh4uhuCQ=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
-github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
-github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
-github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
-github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
-github.com/go-playground/validator/v10 v10.3.0 h1:nZU+7q+yJoFmwvNgv/LnPUkwPal62+b2xXj0AU1Es7o=
-github.com/go-playground/validator/v10 v10.3.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
-github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
@ -54,88 +34,55 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
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@ -144,148 +91,127 @@ go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKY
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@ -294,5 +220,3 @@ honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
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--- a/hw12_13_14_15_calendar/internal/api/private/converters.go
+++ b/hw12_13_14_15_calendar/internal/api/private/converters.go
@ -0,0 +1,24 @@
+package private
+
+import (
+	"fmt"
+
+	"github.com/golang/protobuf/ptypes"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+)
+
+func (s Service) buildEventList(evtMap map[event.ID]event.Event) ([]*Event, error) {
+	events := make([]*Event, len(evtMap))
+	var err error
+	var i int
+	for k, v := range evtMap {
+		evt := Event{ID: int64(k), Title: v.Title, UserID: v.UserID}
+		evt.Date, err = ptypes.TimestampProto(v.Date)
+		if err != nil {
+			return nil, fmt.Errorf("can't convert date: %w", err)
+		}
+		events[i] = &evt
+		i++
+	}
+	return events, nil
+}
--- a/hw12_13_14_15_calendar/internal/api/private/grpcclient.go
+++ b/hw12_13_14_15_calendar/internal/api/private/grpcclient.go
@ -0,0 +1,17 @@
+package private
+
+import (
+	"fmt"
+	"net"
+
+	"google.golang.org/grpc"
+)
+
+func NewClient(addr, port string) (GrpcClient, error) {
+	conn, err := grpc.Dial(net.JoinHostPort(addr, port), grpc.WithInsecure())
+	if err != nil {
+		return nil, fmt.Errorf("can't dial GRPC server: %w", err)
+	}
+	client := NewGrpcClient(conn)
+	return client, nil
+}
--- a/hw12_13_14_15_calendar/internal/api/private/handlers.go
+++ b/hw12_13_14_15_calendar/internal/api/private/handlers.go
@ -0,0 +1,68 @@
+package private
+
+import (
+	"context"
+	"fmt"
+	"net"
+
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+	googrpc "google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type Service struct {
+	S   *googrpc.Server
+	App calendar.App
+}
+
+type Config struct {
+	Address string
+	Port    string
+}
+
+func New(app *calendar.App) Service {
+	return Service{S: googrpc.NewServer(), App: *app}
+}
+
+func (s *Service) Start(conf Config) error {
+	s.App.Logger.Infof("private GRPC server starting")
+	listnGrpc, err := net.Listen("tcp", net.JoinHostPort(conf.Address, conf.Port))
+	RegisterGrpcServer(s.S, s)
+	if err != nil {
+		return fmt.Errorf("can't start private GRPC service: %w", err)
+	}
+	return s.S.Serve(listnGrpc)
+}
+
+func (s *Service) Stop() {
+	s.S.GracefulStop()
+}
+
+func (s Service) GetNotifications(ctx context.Context, e *empty.Empty) (*GetRsp, error) {
+	tmp, err := s.App.Storage.GetNotifications()
+	if err != nil {
+		s.App.Logger.Errorf("storage error: can't get list of events: %w", err)
+		return nil, status.Errorf(codes.Internal, "storage error: can't get list of events")
+	}
+	l, err := s.buildEventList(tmp)
+	if err != nil {
+		s.App.Logger.Errorf("inconvertible: %w", err)
+		return nil, status.Errorf(codes.Internal, "inconvertible")
+	}
+	return &GetRsp{Events: l}, nil
+}
+
+func (s Service) SetNotified(ctx context.Context, r *SetReq) (*empty.Empty, error) {
+	return nil, s.App.Storage.SetNotified(event.ID(r.ID))
+}
+
+func (s Service) PurgeOldEvents(ctx context.Context, r *PurgeReq) (*PurgeResp, error) {
+	q, err := s.App.Storage.PurgeOldEvents(r.OlderThenDays)
+	if err != nil {
+		return &PurgeResp{}, fmt.Errorf("can't purge old events from storage: %w", err)
+	}
+	return &PurgeResp{Qty: q}, nil
+}
--- a/hw12_13_14_15_calendar/internal/api/private/handlers_test.go
+++ b/hw12_13_14_15_calendar/internal/api/private/handlers_test.go
@ -0,0 +1,84 @@
+package private
+
+import (
+	"github.com/stretchr/testify/suite"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+	oslog "log"
+	"testing"
+	"time"
+)
+
+var conf = config.Calendar{
+	HTTP:    config.Server{Address: "localhost", Port: "50511"},
+	GRPC:    config.Server{Address: "localhost", Port: "50512"},
+	API:     config.Server{Address: "localhost", Port: "50513"},
+	Logger:  config.Logger{File: "calendar.log", Level: "INFO", MuteStdout: false},
+	Storage: config.Storage{InMemory: true, SQLHost: "", SQLPort: "", SQLDbase: "", SQLUser: "", SQLPass: ""}}
+
+var storeConf = store.Config(conf.Storage)
+
+var testEvt = event.Event{Title: "Test event 1", Date: time.Now(), Latency: time.Hour * 24, Note: "First gen", UserID: 1111, NotifyTime: 0, Notified: false}
+
+func TestCalendarSuite(t *testing.T) {
+	suite.Run(t, new(TestSuite))
+}
+
+type TestSuite struct {
+	suite.Suite
+	srv Service
+}
+
+func (suite *TestSuite) SetupTest() {
+	log, err := logger.New(logger.Config(conf.Logger))
+	if err != nil {
+		oslog.Fatal("can't init logger")
+	}
+	suite.srv = Service{App: *calendar.New(log, store.NewStore(storeConf))}
+}
+
+func (s *TestSuite) TestGetNotifications() {
+	controlEvent := testEvt
+	s.createEvent(controlEvent)
+
+	returnedEvent := s.getNotifications()
+	s.Equal(controlEvent.Title, returnedEvent.Title)
+	s.Equal(controlEvent.UserID, returnedEvent.UserID)
+}
+
+func (s *TestSuite) TestSetNotified() {
+	controlEvent := testEvt
+	id := s.createEvent(controlEvent)
+
+	s.setNotified(id)
+	returnedEvent := s.getEventByID(id)
+	s.Equal(true, returnedEvent.Notified)
+}
+
+func (s *TestSuite) createEvent(ev event.Event) event.ID {
+	createdEvent, err := s.srv.App.Storage.Create(ev)
+	s.NoError(err, "can,t create event")
+	s.NotEqual(createdEvent, 0, `message ID may not be a "0"`)
+	return createdEvent
+}
+
+func (s *TestSuite) getNotifications() Event {
+	evs, err := s.srv.GetNotifications(nil, nil)
+	s.NoError(err, "can't get events")
+	s.Equal(1, len(evs.Events), "length of slice in responce must be a \"1\"")
+	return *evs.Events[0]
+}
+
+func (s *TestSuite) setNotified(id event.ID) {
+	_, err := s.srv.SetNotified(nil, &SetReq{ID: int64(id)})
+	s.NoError(err, "can't mark event as notified")
+}
+
+func (s *TestSuite) getEventByID(id event.ID) event.Event {
+	r, ok := s.srv.App.Storage.GetByID(id)
+	s.Equal(true, ok, "can't get event by id")
+	return r
+}
--- a/hw12_13_14_15_calendar/internal/api/private/private.pb.go
+++ b/hw12_13_14_15_calendar/internal/api/private/private.pb.go
@ -0,0 +1,434 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: private.proto
+
+package private
+
+import (
+	context "context"
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	empty "github.com/golang/protobuf/ptypes/empty"
+	timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+type GetRsp struct {
+	Events               []*Event `protobuf:"bytes,1,rep,name=Events,proto3" json:"Events,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *GetRsp) Reset()         { *m = GetRsp{} }
+func (m *GetRsp) String() string { return proto.CompactTextString(m) }
+func (*GetRsp) ProtoMessage()    {}
+func (*GetRsp) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d2a91b51c7bdc125, []int{0}
+}
+
+func (m *GetRsp) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetRsp.Unmarshal(m, b)
+}
+func (m *GetRsp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetRsp.Marshal(b, m, deterministic)
+}
+func (m *GetRsp) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetRsp.Merge(m, src)
+}
+func (m *GetRsp) XXX_Size() int {
+	return xxx_messageInfo_GetRsp.Size(m)
+}
+func (m *GetRsp) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetRsp.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetRsp proto.InternalMessageInfo
+
+func (m *GetRsp) GetEvents() []*Event {
+	if m != nil {
+		return m.Events
+	}
+	return nil
+}
+
+type SetReq struct {
+	ID                   int64    `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *SetReq) Reset()         { *m = SetReq{} }
+func (m *SetReq) String() string { return proto.CompactTextString(m) }
+func (*SetReq) ProtoMessage()    {}
+func (*SetReq) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d2a91b51c7bdc125, []int{1}
+}
+
+func (m *SetReq) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_SetReq.Unmarshal(m, b)
+}
+func (m *SetReq) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_SetReq.Marshal(b, m, deterministic)
+}
+func (m *SetReq) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SetReq.Merge(m, src)
+}
+func (m *SetReq) XXX_Size() int {
+	return xxx_messageInfo_SetReq.Size(m)
+}
+func (m *SetReq) XXX_DiscardUnknown() {
+	xxx_messageInfo_SetReq.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_SetReq proto.InternalMessageInfo
+
+func (m *SetReq) GetID() int64 {
+	if m != nil {
+		return m.ID
+	}
+	return 0
+}
+
+type PurgeReq struct {
+	OlderThenDays        int64    `protobuf:"varint,1,opt,name=OlderThenDays,proto3" json:"OlderThenDays,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PurgeReq) Reset()         { *m = PurgeReq{} }
+func (m *PurgeReq) String() string { return proto.CompactTextString(m) }
+func (*PurgeReq) ProtoMessage()    {}
+func (*PurgeReq) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d2a91b51c7bdc125, []int{2}
+}
+
+func (m *PurgeReq) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PurgeReq.Unmarshal(m, b)
+}
+func (m *PurgeReq) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PurgeReq.Marshal(b, m, deterministic)
+}
+func (m *PurgeReq) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PurgeReq.Merge(m, src)
+}
+func (m *PurgeReq) XXX_Size() int {
+	return xxx_messageInfo_PurgeReq.Size(m)
+}
+func (m *PurgeReq) XXX_DiscardUnknown() {
+	xxx_messageInfo_PurgeReq.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PurgeReq proto.InternalMessageInfo
+
+func (m *PurgeReq) GetOlderThenDays() int64 {
+	if m != nil {
+		return m.OlderThenDays
+	}
+	return 0
+}
+
+type PurgeResp struct {
+	Qty                  int64    `protobuf:"varint,1,opt,name=Qty,proto3" json:"Qty,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PurgeResp) Reset()         { *m = PurgeResp{} }
+func (m *PurgeResp) String() string { return proto.CompactTextString(m) }
+func (*PurgeResp) ProtoMessage()    {}
+func (*PurgeResp) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d2a91b51c7bdc125, []int{3}
+}
+
+func (m *PurgeResp) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_PurgeResp.Unmarshal(m, b)
+}
+func (m *PurgeResp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_PurgeResp.Marshal(b, m, deterministic)
+}
+func (m *PurgeResp) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PurgeResp.Merge(m, src)
+}
+func (m *PurgeResp) XXX_Size() int {
+	return xxx_messageInfo_PurgeResp.Size(m)
+}
+func (m *PurgeResp) XXX_DiscardUnknown() {
+	xxx_messageInfo_PurgeResp.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PurgeResp proto.InternalMessageInfo
+
+func (m *PurgeResp) GetQty() int64 {
+	if m != nil {
+		return m.Qty
+	}
+	return 0
+}
+
+type Event struct {
+	ID                   int64                `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	Title                string               `protobuf:"bytes,2,opt,name=Title,proto3" json:"Title,omitempty"`
+	Date                 *timestamp.Timestamp `protobuf:"bytes,3,opt,name=Date,proto3" json:"Date,omitempty"`
+	UserID               int64                `protobuf:"varint,4,opt,name=UserID,proto3" json:"UserID,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
+	XXX_unrecognized     []byte               `json:"-"`
+	XXX_sizecache        int32                `json:"-"`
+}
+
+func (m *Event) Reset()         { *m = Event{} }
+func (m *Event) String() string { return proto.CompactTextString(m) }
+func (*Event) ProtoMessage()    {}
+func (*Event) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d2a91b51c7bdc125, []int{4}
+}
+
+func (m *Event) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Event.Unmarshal(m, b)
+}
+func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Event.Marshal(b, m, deterministic)
+}
+func (m *Event) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Event.Merge(m, src)
+}
+func (m *Event) XXX_Size() int {
+	return xxx_messageInfo_Event.Size(m)
+}
+func (m *Event) XXX_DiscardUnknown() {
+	xxx_messageInfo_Event.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Event proto.InternalMessageInfo
+
+func (m *Event) GetID() int64 {
+	if m != nil {
+		return m.ID
+	}
+	return 0
+}
+
+func (m *Event) GetTitle() string {
+	if m != nil {
+		return m.Title
+	}
+	return ""
+}
+
+func (m *Event) GetDate() *timestamp.Timestamp {
+	if m != nil {
+		return m.Date
+	}
+	return nil
+}
+
+func (m *Event) GetUserID() int64 {
+	if m != nil {
+		return m.UserID
+	}
+	return 0
+}
+
+func init() {
+	proto.RegisterType((*GetRsp)(nil), "private.GetRsp")
+	proto.RegisterType((*SetReq)(nil), "private.SetReq")
+	proto.RegisterType((*PurgeReq)(nil), "private.PurgeReq")
+	proto.RegisterType((*PurgeResp)(nil), "private.PurgeResp")
+	proto.RegisterType((*Event)(nil), "private.Event")
+}
+
+func init() { proto.RegisterFile("private.proto", fileDescriptor_d2a91b51c7bdc125) }
+
+var fileDescriptor_d2a91b51c7bdc125 = []byte{
+	// 343 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x92, 0x41, 0x4f, 0xc2, 0x50,
+	0x10, 0x84, 0x29, 0x85, 0x2a, 0x4b, 0x40, 0xdc, 0x18, 0xd2, 0xd4, 0x18, 0x9b, 0xc6, 0x98, 0x9e,
+	0x0a, 0xc1, 0x8b, 0x1e, 0xbc, 0x98, 0x12, 0xc2, 0x45, 0xb4, 0xe0, 0xc5, 0x5b, 0x81, 0xa5, 0x36,
+	0x29, 0xb4, 0xb6, 0x0b, 0x09, 0x7f, 0xcd, 0x5f, 0x67, 0xfa, 0x5e, 0x8b, 0x11, 0xe3, 0xad, 0x3b,
+	0x3b, 0x3b, 0x93, 0xf7, 0xa5, 0xd0, 0x4a, 0xd2, 0x70, 0xe7, 0x33, 0x39, 0x49, 0x1a, 0x73, 0x8c,
+	0x27, 0xc5, 0x68, 0x5c, 0x07, 0x71, 0x1c, 0x44, 0xd4, 0x13, 0xf2, 0x7c, 0xbb, 0xea, 0x71, 0xb8,
+	0xa6, 0x8c, 0xfd, 0x75, 0x22, 0x9d, 0xc6, 0xe5, 0xb1, 0x81, 0xd6, 0x09, 0xef, 0xe5, 0xd2, 0xea,
+	0x83, 0x36, 0x22, 0xf6, 0xb2, 0x04, 0x6f, 0x41, 0x1b, 0xee, 0x68, 0xc3, 0x99, 0xae, 0x98, 0xaa,
+	0xdd, 0x1c, 0xb4, 0x9d, 0xb2, 0x50, 0xc8, 0x5e, 0xb1, 0xb5, 0x74, 0xd0, 0xa6, 0xc4, 0x1e, 0x7d,
+	0x62, 0x1b, 0xaa, 0x63, 0x57, 0x57, 0x4c, 0xc5, 0x56, 0xbd, 0xea, 0xd8, 0xb5, 0xfa, 0x70, 0xfa,
+	0xb2, 0x4d, 0x03, 0xca, 0x77, 0x37, 0xd0, 0x9a, 0x44, 0x4b, 0x4a, 0x67, 0x1f, 0xb4, 0x71, 0xfd,
+	0x7d, 0x56, 0xd8, 0x7e, 0x8b, 0xd6, 0x15, 0x34, 0x8a, 0x8b, 0x2c, 0xc1, 0x0e, 0xa8, 0xaf, 0xbc,
+	0x2f, 0x8c, 0xf9, 0xa7, 0xb5, 0x85, 0xba, 0x28, 0x3d, 0x6e, 0xc2, 0x0b, 0xa8, 0xcf, 0x42, 0x8e,
+	0x48, 0xaf, 0x9a, 0x8a, 0xdd, 0xf0, 0xe4, 0x80, 0x0e, 0xd4, 0x5c, 0x9f, 0x49, 0x57, 0x4d, 0xc5,
+	0x6e, 0x0e, 0x0c, 0x47, 0xbe, 0xdb, 0x29, 0xdf, 0xed, 0xcc, 0x4a, 0x30, 0x9e, 0xf0, 0x61, 0x17,
+	0xb4, 0xb7, 0x8c, 0xd2, 0xb1, 0xab, 0xd7, 0x44, 0x72, 0x31, 0x0d, 0xbe, 0x14, 0xa8, 0x05, 0x69,
+	0xb2, 0xc0, 0x47, 0xe8, 0x8c, 0x88, 0x9f, 0x63, 0x0e, 0x57, 0xe1, 0xc2, 0xe7, 0x30, 0xde, 0x64,
+	0xd8, 0xfd, 0x13, 0x3b, 0xcc, 0x71, 0x1a, 0x67, 0x07, 0x5c, 0x92, 0xa7, 0x55, 0xc1, 0x7b, 0x68,
+	0x4e, 0xcb, 0x73, 0x5a, 0xe2, 0x8f, 0x43, 0xf2, 0x33, 0xfe, 0x89, 0xb2, 0x2a, 0xf8, 0x00, 0x6d,
+	0xc1, 0x65, 0x12, 0x2d, 0x25, 0x75, 0x3c, 0x3f, 0x1c, 0x97, 0x88, 0x0d, 0x3c, 0x96, 0xf2, 0xd2,
+	0xa7, 0xc6, 0x7b, 0xf9, 0x67, 0xcc, 0x35, 0x91, 0x7b, 0xf7, 0x1d, 0x00, 0x00, 0xff, 0xff, 0x2d,
+	0x9f, 0xdc, 0xae, 0x3a, 0x02, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// GrpcClient is the client API for Grpc service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type GrpcClient interface {
+	GetNotifications(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*GetRsp, error)
+	SetNotified(ctx context.Context, in *SetReq, opts ...grpc.CallOption) (*empty.Empty, error)
+	PurgeOldEvents(ctx context.Context, in *PurgeReq, opts ...grpc.CallOption) (*PurgeResp, error)
+}
+
+type grpcClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewGrpcClient(cc *grpc.ClientConn) GrpcClient {
+	return &grpcClient{cc}
+}
+
+func (c *grpcClient) GetNotifications(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*GetRsp, error) {
+	out := new(GetRsp)
+	err := c.cc.Invoke(ctx, "/private.grpc/GetNotifications", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *grpcClient) SetNotified(ctx context.Context, in *SetReq, opts ...grpc.CallOption) (*empty.Empty, error) {
+	out := new(empty.Empty)
+	err := c.cc.Invoke(ctx, "/private.grpc/SetNotified", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *grpcClient) PurgeOldEvents(ctx context.Context, in *PurgeReq, opts ...grpc.CallOption) (*PurgeResp, error) {
+	out := new(PurgeResp)
+	err := c.cc.Invoke(ctx, "/private.grpc/PurgeOldEvents", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// GrpcServer is the server API for Grpc service.
+type GrpcServer interface {
+	GetNotifications(context.Context, *empty.Empty) (*GetRsp, error)
+	SetNotified(context.Context, *SetReq) (*empty.Empty, error)
+	PurgeOldEvents(context.Context, *PurgeReq) (*PurgeResp, error)
+}
+
+// UnimplementedGrpcServer can be embedded to have forward compatible implementations.
+type UnimplementedGrpcServer struct {
+}
+
+func (*UnimplementedGrpcServer) GetNotifications(ctx context.Context, req *empty.Empty) (*GetRsp, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetNotifications not implemented")
+}
+func (*UnimplementedGrpcServer) SetNotified(ctx context.Context, req *SetReq) (*empty.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetNotified not implemented")
+}
+func (*UnimplementedGrpcServer) PurgeOldEvents(ctx context.Context, req *PurgeReq) (*PurgeResp, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PurgeOldEvents not implemented")
+}
+
+func RegisterGrpcServer(s *grpc.Server, srv GrpcServer) {
+	s.RegisterService(&_Grpc_serviceDesc, srv)
+}
+
+func _Grpc_GetNotifications_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(empty.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GrpcServer).GetNotifications(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/private.grpc/GetNotifications",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GrpcServer).GetNotifications(ctx, req.(*empty.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Grpc_SetNotified_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GrpcServer).SetNotified(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/private.grpc/SetNotified",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GrpcServer).SetNotified(ctx, req.(*SetReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Grpc_PurgeOldEvents_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PurgeReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GrpcServer).PurgeOldEvents(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/private.grpc/PurgeOldEvents",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GrpcServer).PurgeOldEvents(ctx, req.(*PurgeReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Grpc_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "private.grpc",
+	HandlerType: (*GrpcServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetNotifications",
+			Handler:    _Grpc_GetNotifications_Handler,
+		},
+		{
+			MethodName: "SetNotified",
+			Handler:    _Grpc_SetNotified_Handler,
+		},
+		{
+			MethodName: "PurgeOldEvents",
+			Handler:    _Grpc_PurgeOldEvents_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "private.proto",
+}
--- a/hw12_13_14_15_calendar/internal/calendar/app_calendar.go
+++ b/hw12_13_14_15_calendar/internal/calendar/app_calendar.go
@ -1,13 +1,12 @@
-package app
+package calendar

 import (
 	"context"
 	"net/http"
 	"time"

-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/logger"
-	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage"
 )

 type Interface interface {
@ -25,20 +24,6 @@ func New(logger logger.Interface, storage store.StorageInterface) *App {
 	return &App{Logger: logger, Storage: storage}
 }

-func (a *App) CreateEvent(ctx context.Context, title string) (err error) {
-	_, err = a.Storage.Create(event.Event{Title: title})
-	if err != nil {
-		a.Logger.Errorf("can not create event")
-	}
-	a.Logger.Infof("event created")
-	return err
-}
-
-func (a *App) Handler(w http.ResponseWriter, r *http.Request) {
-	w.WriteHeader(200)
-	_, _ = w.Write([]byte("Hello! I'm calendar app!"))
-}
-
 func (a *App) LoggingMiddleware(next http.HandlerFunc) http.HandlerFunc {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		start := time.Now()
--- a/hw12_13_14_15_calendar/internal/config/config.go
+++ b/hw12_13_14_15_calendar/internal/config/config.go
@ -1,51 +0,0 @@
-package config
-
-import (
-	"io/ioutil"
-	"os"
-
-	"github.com/BurntSushi/toml"
-)
-
-type Config struct {
-	GRPC    Server
-	HTTP    Server
-	Logger  Logger
-	Storage Storage
-}
-
-type Server struct {
-	Address string
-	Port    string
-}
-
-type Logger struct {
-	File       string
-	Level      string
-	MuteStdout bool
-}
-
-type Storage struct {
-	InMemory bool
-	SQLHost  string
-	SQLPort  string
-	SQLDbase string
-	SQLUser  string
-	SQLPass  string
-}
-
-// Confita может быти и хороша, но она не возвращает ошибки, если не может распарсить файл в структуру. Мне не нравится такая "молчаливость".
-func NewConfig(configFile string) (Config, error) {
-	f, err := os.Open(configFile)
-	if err != nil {
-		return Config{}, err
-	}
-	defer f.Close()
-	s, err := ioutil.ReadAll(f)
-	if err != nil {
-		return Config{}, err
-	}
-	var config Config
-	_, err = toml.Decode(string(s), &config)
-	return config, err
-}
--- a/hw12_13_14_15_calendar/internal/config/config_test.go
+++ b/hw12_13_14_15_calendar/internal/config/config_test.go
@ -1,58 +0,0 @@
-package config
-
-import (
-	"github.com/stretchr/testify/require"
-	"io/ioutil"
-	oslog "log"
-	"os"
-	"testing"
-)
-
-var _ = func() bool {
-	testing.Init()
-	return true
-}()
-
-func TestNewConfig(t *testing.T) {
-
-	badfile, err := ioutil.TempFile("", "conf.")
-	if err != nil {
-		oslog.Fatal(err)
-	}
-	defer os.Remove(badfile.Name())
-	badfile.WriteString(`aefSD
-sadfg
-RFABND FYGUMG
-V`)
-	badfile.Sync()
-
-	goodfile, err := ioutil.TempFile("", "conf.")
-	if err != nil {
-		oslog.Fatal(err)
-	}
-	defer os.Remove(goodfile.Name())
-	goodfile.WriteString(`[storage]
-inMemory = true
-SQLHost = "localhost"`)
-	goodfile.Sync()
-
-	t.Run("No such file", func(t *testing.T) {
-		c, e := NewConfig("adfergdth")
-		require.Equal(t, Config{}, c)
-		require.Error(t, e)
-	})
-
-	t.Run("Bad file", func(t *testing.T) {
-		c, e := NewConfig(badfile.Name())
-		require.Equal(t, Config{}, c)
-		require.Error(t, e)
-	})
-
-	t.Run("TOML reading", func(t *testing.T) {
-		c, e := NewConfig(goodfile.Name())
-		require.Equal(t, true, c.Storage.InMemory)
-		require.Equal(t, "localhost", c.Storage.SQLHost)
-		require.NoError(t, e)
-	})
-
-}
--- a/hw12_13_14_15_calendar/internal/grpcserver/grpcserver.pb.gw.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/grpcserver.pb.gw.go
@ -1,375 +0,0 @@
-// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
-// source: grpcserver.proto
-
-/*
-Package grpcserver is a reverse proxy.
-
-It translates gRPC into RESTful JSON APIs.
-*/
-package grpcserver
-
-import (
-	"io"
-	"net/http"
-
-	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/ptypes/empty"
-	"github.com/grpc-ecosystem/grpc-gateway/runtime"
-	"github.com/grpc-ecosystem/grpc-gateway/utilities"
-	"golang.org/x/net/context"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/status"
-)
-
-var _ codes.Code
-var _ io.Reader
-var _ status.Status
-var _ = runtime.String
-var _ = utilities.NewDoubleArray
-
-func request_Grpc_Create_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CreateReq
-	var metadata runtime.ServerMetadata
-
-	newReader, berr := utilities.IOReaderFactory(req.Body)
-	if berr != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
-	}
-	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
-
-	msg, err := client.Create(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-func request_Grpc_Update_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq UpdateReq
-	var metadata runtime.ServerMetadata
-
-	newReader, berr := utilities.IOReaderFactory(req.Body)
-	if berr != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
-	}
-	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
-
-	var (
-		val string
-		ok  bool
-		err error
-		_   = err
-	)
-
-	val, ok = pathParams["ID"]
-	if !ok {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "ID")
-	}
-
-	protoReq.ID, err = runtime.Int64(val)
-
-	if err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "ID", err)
-	}
-
-	msg, err := client.Update(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-func request_Grpc_Delete_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq DeleteReq
-	var metadata runtime.ServerMetadata
-
-	var (
-		val string
-		ok  bool
-		err error
-		_   = err
-	)
-
-	val, ok = pathParams["ID"]
-	if !ok {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "ID")
-	}
-
-	protoReq.ID, err = runtime.Int64(val)
-
-	if err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "ID", err)
-	}
-
-	msg, err := client.Delete(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-func request_Grpc_List_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq empty.Empty
-	var metadata runtime.ServerMetadata
-
-	msg, err := client.List(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-func request_Grpc_GetByID_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq GetByIDReq
-	var metadata runtime.ServerMetadata
-
-	var (
-		val string
-		ok  bool
-		err error
-		_   = err
-	)
-
-	val, ok = pathParams["ID"]
-	if !ok {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "ID")
-	}
-
-	protoReq.ID, err = runtime.Int64(val)
-
-	if err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "ID", err)
-	}
-
-	msg, err := client.GetByID(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-func request_Grpc_GetByDate_0(ctx context.Context, marshaler runtime.Marshaler, client GrpcClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq GetByDateReq
-	var metadata runtime.ServerMetadata
-
-	var (
-		val string
-		e   int32
-		ok  bool
-		err error
-		_   = err
-	)
-
-	val, ok = pathParams["Range"]
-	if !ok {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "Range")
-	}
-
-	e, err = runtime.Enum(val, QueryRange_value)
-
-	if err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "Range", err)
-	}
-
-	protoReq.Range = QueryRange(e)
-
-	val, ok = pathParams["Date"]
-	if !ok {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "Date")
-	}
-
-	protoReq.Date, err = runtime.Timestamp(val)
-
-	if err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "Date", err)
-	}
-
-	msg, err := client.GetByDate(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-
-}
-
-// RegisterGrpcHandlerFromEndpoint is same as RegisterGrpcHandler but
-// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
-func RegisterGrpcHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
-	conn, err := grpc.Dial(endpoint, opts...)
-	if err != nil {
-		return err
-	}
-	defer func() {
-		if err != nil {
-			if cerr := conn.Close(); cerr != nil {
-				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
-			}
-			return
-		}
-		go func() {
-			<-ctx.Done()
-			if cerr := conn.Close(); cerr != nil {
-				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
-			}
-		}()
-	}()
-
-	return RegisterGrpcHandler(ctx, mux, conn)
-}
-
-// RegisterGrpcHandler registers the http handlers for service Grpc to "mux".
-// The handlers forward requests to the grpc endpoint over "conn".
-func RegisterGrpcHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
-	return RegisterGrpcHandlerClient(ctx, mux, NewGrpcClient(conn))
-}
-
-// RegisterGrpcHandlerClient registers the http handlers for service Grpc
-// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "GrpcClient".
-// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "GrpcClient"
-// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
-// "GrpcClient" to call the correct interceptors.
-func RegisterGrpcHandlerClient(ctx context.Context, mux *runtime.ServeMux, client GrpcClient) error {
-
-	mux.Handle("POST", pattern_Grpc_Create_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_Create_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_Create_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	mux.Handle("PUT", pattern_Grpc_Update_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_Update_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_Update_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	mux.Handle("DELETE", pattern_Grpc_Delete_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_Delete_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_Delete_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	mux.Handle("GET", pattern_Grpc_List_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_List_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_List_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	mux.Handle("GET", pattern_Grpc_GetByID_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_GetByID_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_GetByID_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	mux.Handle("POST", pattern_Grpc_GetByDate_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx, mux, req)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_Grpc_GetByDate_0(rctx, inboundMarshaler, client, req, pathParams)
-		ctx = runtime.NewServerMetadataContext(ctx, md)
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-
-		forward_Grpc_GetByDate_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-
-	})
-
-	return nil
-}
-
-var (
-	pattern_Grpc_Create_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"events"}, ""))
-
-	pattern_Grpc_Update_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"events", "ID"}, ""))
-
-	pattern_Grpc_Delete_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"events", "ID"}, ""))
-
-	pattern_Grpc_List_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"events"}, ""))
-
-	pattern_Grpc_GetByID_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"events", "ID"}, ""))
-
-	pattern_Grpc_GetByDate_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1, 1, 0, 4, 1, 5, 2}, []string{"events", "Range", "Date"}, ""))
-)
-
-var (
-	forward_Grpc_Create_0 = runtime.ForwardResponseMessage
-
-	forward_Grpc_Update_0 = runtime.ForwardResponseMessage
-
-	forward_Grpc_Delete_0 = runtime.ForwardResponseMessage
-
-	forward_Grpc_List_0 = runtime.ForwardResponseMessage
-
-	forward_Grpc_GetByID_0 = runtime.ForwardResponseMessage
-
-	forward_Grpc_GetByDate_0 = runtime.ForwardResponseMessage
-)
--- a/hw12_13_14_15_calendar/internal/grpcserver/server.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/server.go
@ -1,32 +0,0 @@
-package grpcserver
-
-import (
-	"net"
-
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/app"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/config"
-	googrpc "google.golang.org/grpc"
-)
-
-type Server struct {
-	s   *googrpc.Server
-	app app.App
-}
-
-func New(app *app.App) Server {
-	return Server{s: googrpc.NewServer(), app: *app}
-}
-
-func (s *Server) Start(conf config.Config) error {
-	s.app.Logger.Infof("GRPC server starting")
-	listnGrpc, err := net.Listen("tcp", net.JoinHostPort(conf.GRPC.Address, conf.GRPC.Port))
-	RegisterGrpcServer(s.s, &Service{})
-	if err != nil {
-		return err
-	}
-	return s.s.Serve(listnGrpc)
-}
-
-func (s *Server) Stop() {
-	s.s.GracefulStop()
-}
--- a/hw12_13_14_15_calendar/internal/sender/app_sender.go
+++ b/hw12_13_14_15_calendar/internal/sender/app_sender.go
@ -0,0 +1,75 @@
+package sender
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	oslog "log"
+
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/api/private"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/rabbit"
+)
+
+type Sender struct {
+	GRPCAPI private.GrpcClient
+	Logger  logger.Interface
+	Rabbit  *rabbit.Rabbit
+	Queue   string
+	Stop    context.CancelFunc
+}
+
+type Config struct {
+	CalendarAPI config.Server
+	Rabbitmq    config.Rabbit
+	Logger      config.Logger
+}
+
+func New(conf Config) Sender {
+	log, err := logger.New(logger.Config(conf.Logger))
+	if err != nil {
+		oslog.Fatal("can't start logger:", err.Error())
+	}
+	rb, err := rabbit.Attach(rabbit.Config(conf.Rabbitmq))
+	if err != nil {
+		log.Fatalf("failed to connect to RabbitMQ:", err.Error())
+	}
+	cli, err := private.NewClient(conf.CalendarAPI.Address, conf.CalendarAPI.Port)
+	if err != nil {
+		log.Fatalf("can't get GRPC client: %w", err.Error())
+	}
+	return Sender{Logger: log, Rabbit: rb, Queue: conf.Rabbitmq.Queue, GRPCAPI: cli}
+}
+
+func (s *Sender) Start() error {
+	ctx, cancel := context.WithCancel(context.Background())
+	s.Stop = cancel
+	msg, err := s.Rabbit.Consume(ctx, s.Queue)
+	if err != nil {
+		return fmt.Errorf("can't consume RabbitMQ queue: %w", err)
+	}
+
+	go func() {
+		for {
+			select {
+			case m := <-msg:
+				if m.Data != nil {
+					var data private.Event
+					err := json.Unmarshal(m.Data, &data)
+					if err != nil {
+						s.Logger.Errorf("can`t unmarshal data %w", err)
+					}
+					_, err = s.GRPCAPI.SetNotified(ctx, &private.SetReq{ID: data.ID})
+					if err != nil {
+						s.Logger.Errorf("can`t mark event with ID %d as notified data %w", data.ID, err)
+					}
+					s.Logger.Infof("User %s notified about event %s", data.UserID, data.ID)
+				}
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	return nil
+}
--- a/hw12_13_14_15_calendar/internal/sheduler/app_scheduler.go
+++ b/hw12_13_14_15_calendar/internal/sheduler/app_scheduler.go
@ -0,0 +1,57 @@
+package sheduler
+
+import (
+	"context"
+	oslog "log"
+	"time"
+
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/rabbit"
+)
+
+type Scheduler struct {
+	CalendarAPI config.Server
+	Logger      logger.Interface
+	Rabbit      *rabbit.Rabbit
+	Stop        context.CancelFunc
+}
+
+type Config struct {
+	CalendarAPI config.Server
+	Rabbitmq    config.Rabbit
+	Storage     config.Storage
+	Logger      config.Logger
+}
+
+func New(conf Config) Scheduler {
+	log, err := logger.New(logger.Config(conf.Logger))
+	if err != nil {
+		oslog.Fatal("can't start logger:", err.Error())
+	}
+	rb, err := rabbit.New(rabbit.Config(conf.Rabbitmq))
+	if err != nil {
+		log.Fatalf("failed to connect to RabbitMQ:", err.Error())
+	}
+	return Scheduler{CalendarAPI: conf.CalendarAPI, Logger: log, Rabbit: rb}
+}
+
+func (s *Scheduler) Start() error {
+	ctx, cancel := context.WithCancel(context.Background())
+	s.Stop = cancel
+	fetcher := riseOnTick(ctx, s.Logger, func() interface{} { return worker(ctx, s.CalendarAPI, s.Rabbit, s.Logger) }, 10*time.Second)
+	go func() {
+		for {
+			select {
+			case err := <-fetcher:
+				s.Logger.Infof("fetcher closed")
+				if err != nil {
+					s.Logger.Errorf("...with error:", err)
+				}
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	return nil
+}
--- a/hw12_13_14_15_calendar/internal/sheduler/scheduler.go
+++ b/hw12_13_14_15_calendar/internal/sheduler/scheduler.go
@ -0,0 +1,67 @@
+package sheduler
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/api/private"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/rabbit"
+)
+
+func riseOnTick(ctx context.Context, log logger.Interface, fn func() interface{}, interval time.Duration) <-chan interface{} {
+	valueStream := make(chan interface{})
+	go func() {
+		t := time.NewTicker(interval)
+		defer func() {
+			t.Stop()
+			close(valueStream)
+		}()
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-t.C:
+				select {
+				case <-ctx.Done():
+					return
+				default:
+					log.Infof("scheduler come to rabbit")
+					valueStream <- fn()
+				}
+			}
+		}
+	}()
+	return valueStream
+}
+
+func worker(ctx context.Context, calendarAPI config.Server, rb *rabbit.Rabbit, log logger.Interface) error {
+	cli, err := private.NewClient(calendarAPI.Address, calendarAPI.Port)
+	if err != nil {
+		return fmt.Errorf("can't get GRPC client: %w", err)
+	}
+	resp, err := cli.GetNotifications(ctx, &empty.Empty{})
+	if err != nil {
+		return fmt.Errorf("can't get events from GRPC endpoint: %w", err)
+	}
+	for _, event := range resp.Events {
+		b, err := json.Marshal(event)
+		if err != nil {
+			return fmt.Errorf("can't marshal events into JSON: %w", err)
+		}
+		err = rb.Publish(b)
+		if err != nil {
+			return fmt.Errorf("can't publish serialized data to RabbitMQ: %w", err)
+		}
+	}
+	resp2, err := cli.PurgeOldEvents(ctx, &private.PurgeReq{OlderThenDays: 365})
+	if err != nil {
+		return fmt.Errorf("can't purge old events: %w", err)
+	}
+	log.Infof("Scheduler successfully purges %s events from storage", resp2.Qty)
+	return nil
+}
--- a/hw12_13_14_15_calendar/internal/storage/sql/sql.go
+++ b/hw12_13_14_15_calendar/internal/storage/sql/sql.go
@ -1,173 +0,0 @@
-package sql
-
-import (
-	"database/sql"
-	"time"
-
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
-)
-
-const dateTimeLayout = "2006-01-02 15:04:00 -0700"
-
-type Config struct {
-	User  string
-	Pass  string
-	Host  string
-	Port  string
-	Dbase string
-}
-
-type Storage struct {
-	db *sql.DB
-}
-
-func New(conf Config) *Storage {
-	return &Storage{}
-}
-
-func (s *Storage) Connect(config Config) error {
-	var err error
-	s.db, err = sql.Open("mysql", config.User+":"+config.Pass+"@tcp("+config.Host+":"+config.Port+")/"+config.Dbase)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (s *Storage) Close() error {
-	return s.db.Close()
-}
-
-func (s *Storage) Create(ev event.Event) (event.ID, error) {
-	res, err := s.db.Exec(
-		`INSERT INTO events 
-		(title, date, latency, note, userID, notifyTime) VALUES 
-		($1, $2, $3, $4, $5, $6)`,
-		ev.Title,
-		ev.Date.Format(dateTimeLayout),
-		ev.Latency,
-		ev.Note,
-		ev.UserID,
-		ev.NotifyTime,
-	)
-	if err != nil {
-		return -1, err
-	}
-	idint64, err := res.LastInsertId()
-	return event.ID(idint64), err
-}
-
-func (s *Storage) Update(id event.ID, event event.Event) error {
-	_, err := s.db.Exec(
-		`UPDATE events set 
-		title=$1, date=$2, latency=$3, note=$4, userID=$5, notifyTime=$6
-		where id=$7`,
-		event.Title,
-		event.Date.Format(dateTimeLayout),
-		event.Latency,
-		event.Note,
-		event.UserID,
-		event.NotifyTime,
-		id,
-	)
-	return err
-}
-
-func (s *Storage) Delete(id event.ID) error {
-	_, err := s.db.Exec(
-		`DELETE from events where id=$1`,
-		id,
-	)
-	return err
-}
-
-func (s *Storage) List() (map[event.ID]event.Event, error) {
-	res := make(map[event.ID]event.Event)
-	results, err := s.db.Query(`SELECT (id,title,date,latency,note,userID,notifyTime) from events ORDER BY id`)
-	if err != nil {
-		return nil, err
-	}
-	defer results.Close()
-	for results.Next() {
-		var id event.ID
-		var evt event.Event
-		var dateRaw string
-		err = results.Scan(&id, &evt.Title, &dateRaw, &evt.Latency, &evt.Note, &evt.UserID, &evt.NotifyTime)
-		if err != nil {
-			return nil, err
-		}
-		evt.Date, err = time.Parse(dateTimeLayout, dateRaw)
-		if err != nil {
-			return nil, err
-		}
-		res[id] = evt
-	}
-	if results.Err() != nil {
-		return nil, results.Err()
-	}
-	return res, nil
-}
-
-func (s *Storage) GetByID(id event.ID) (event.Event, bool) {
-	var res event.Event
-	var dateRaw string
-	err := s.db.QueryRow(
-		`SELECT (id,title,date,latency,note,userID,notifyTime) from events where id=$1`, id).Scan(res.Title, dateRaw, res.Latency, res.Note, res.UserID, res.NotifyTime)
-	if err != nil {
-		return res, false
-	}
-	dateParced, err := time.Parse(dateTimeLayout, dateRaw)
-	if err != nil {
-		return res, false
-	}
-	res.Date = dateParced
-	return res, true
-}
-
-func (s *Storage) GetByDate(startDate time.Time, rng string) (map[event.ID]event.Event, error) {
-	res := make(map[event.ID]event.Event)
-	results, err := s.db.Query(
-		`SELECT (id,title,date,latency,note,userID,notifyTime)
-				from events
-				where 	(date>$1 AND date<$2) OR
-						(date+latency>$1 AND date+latency<$2) OR
-						(date<$1 AND date+latency>$2)
-				ORDER BY id`,
-		startDate,
-		getEndDate(startDate, rng))
-	if err != nil {
-		return nil, err
-	}
-	defer results.Close()
-	for results.Next() {
-		var id event.ID
-		var evt event.Event
-		var dateRaw string
-		err = results.Scan(&id, &evt.Title, &dateRaw, &evt.Latency, &evt.Note, &evt.UserID, &evt.NotifyTime)
-		if err != nil {
-			return nil, err
-		}
-		evt.Date, err = time.Parse(dateTimeLayout, dateRaw)
-		if err != nil {
-			return nil, err
-		}
-		res[id] = evt
-	}
-	if results.Err() != nil {
-		return nil, results.Err()
-	}
-	return res, nil
-}
-
-func getEndDate(startDate time.Time, rng string) time.Time {
-	switch rng {
-	case "DAY":
-		return startDate.AddDate(0, 0, 1)
-	case "WEEK":
-		return startDate.AddDate(0, 0, 7)
-	case "MONTH":
-		return startDate.AddDate(0, 1, 0)
-	default:
-		return startDate
-	}
-}
--- a/hw12_13_14_15_calendar/migrations/20200924000000_init.sql
+++ b/hw12_13_14_15_calendar/migrations/20200924000000_init.sql
@ -1,18 +0,0 @@
-- +goose Up
-- +goose StatementBegin
-CREATE TABLE events (
-	id int(16) NOT NULL AUTO_INCREMENT,
-	title varchar(255) NOT NULL,
-	date datetime NOT NULL,
-	latency int(16) NOT NULL,
-	note text,
-	userID int(16),
-	notifyTime int(16)
-  PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;;
-- +goose StatementEnd
-
-- +goose Down
-- +goose StatementBegin
-DROP TABLE events;
-- +goose StatementEnd
--- a/hw12_13_14_15_calendar/migrations/20201203000000_init.sql
+++ b/hw12_13_14_15_calendar/migrations/20201203000000_init.sql
@ -0,0 +1,18 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE events (
+	id serial NOT NULL,
+	title varchar(255) NOT NULL,
+	date timestamp NOT NULL,
+	latency int8 NOT NULL,
+	note text NULL,
+	userID int8 NOT NULL,
+	notifyTime int8 NULL,
+	notified bool
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE events;
+-- +goose StatementEnd
--- a/hw12_13_14_15_calendar/internal/grpcserver/converters.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/converters.go
@ -1,25 +1,26 @@
-package grpcserver
+package public

 import (
+	"fmt"
 	"time"

 	"github.com/golang/protobuf/ptypes"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
 )

 func (s Service) buildStorageEvent(pbe *CreateReq) (res event.Event, err error) {
 	res = event.Event{Title: pbe.Title, Note: pbe.Note, UserID: pbe.UserID}
 	res.Date, err = ptypes.Timestamp(pbe.Date)
 	if err != nil {
-		return event.Event{}, err
+		return event.Event{}, fmt.Errorf("can't convert date: %w", err)
 	}
 	res.Latency, err = ptypes.Duration(pbe.Latency)
 	if err != nil {
-		return event.Event{}, err
+		return event.Event{}, fmt.Errorf("can't convert duration: %w", err)
 	}
 	res.NotifyTime, err = ptypes.Duration(pbe.NotifyTime)
 	if err != nil {
-		return event.Event{}, err
+		return event.Event{}, fmt.Errorf("can't convert duration: %w", err)
 	}
 	return res, nil
 }
@ -28,15 +29,15 @@ func (s Service) buildStorageEventAndID(pbe *UpdateReq) (id event.ID, evt event.
 	evt = event.Event{Title: pbe.Event.Title, Note: pbe.Event.Note, UserID: pbe.Event.UserID}
 	evt.Date, err = ptypes.Timestamp(pbe.Event.Date)
 	if err != nil {
-		return 0, event.Event{}, err
+		return 0, event.Event{}, fmt.Errorf("can't convert time: %w", err)
 	}
 	evt.Latency, err = ptypes.Duration(pbe.Event.Latency)
 	if err != nil {
-		return 0, event.Event{}, err
+		return 0, event.Event{}, fmt.Errorf("can't convert duration: %w", err)
 	}
 	evt.NotifyTime, err = ptypes.Duration(pbe.Event.NotifyTime)
 	if err != nil {
-		return 0, event.Event{}, err
+		return 0, event.Event{}, fmt.Errorf("can't convert duration: %w", err)
 	}
 	return event.ID(pbe.ID), evt, nil
 }
@ -49,15 +50,18 @@ func (s Service) buildEventList(evtMap map[event.ID]event.Event) ([]*Event, erro
 		evt := Event{ID: int64(k), Title: v.Title, Latency: ptypes.DurationProto(v.Latency), Note: v.Note, UserID: v.UserID, NotifyTime: ptypes.DurationProto(v.NotifyTime)}
 		evt.Date, err = ptypes.TimestampProto(v.Date)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("can't convert date: %w", err)
 		}
 		events[i] = &evt
 		i++
 	}
-	return events, err
+	return events, nil
 }

 func (s Service) buildTimeAndRange(e *GetByDateReq) (start time.Time, qrange string, err error) {
 	date, err := ptypes.Timestamp(e.Date)
-	return date, e.Range.String(), err
+	if err != nil {
+		return time.Time{}, "", fmt.Errorf("can't convert date: %w", err)
+	}
+	return date, e.Range.String(), nil
 }
--- a/hw12_13_14_15_calendar/pkg/api/public/grpcclient.go
+++ b/hw12_13_14_15_calendar/pkg/api/public/grpcclient.go
@ -0,0 +1,18 @@
+package public
+
+import (
+	"context"
+	"fmt"
+	"net"
+
+	"google.golang.org/grpc"
+)
+
+func NewClient(ctx context.Context, addr, port string) (GrpcClient, error) {
+	conn, err := grpc.DialContext(ctx, net.JoinHostPort(addr, port), grpc.WithInsecure())
+	if err != nil {
+		return nil, fmt.Errorf("can't dial GRPC server: %w", err)
+	}
+	client := NewGrpcClient(conn)
+	return client, nil
+}
--- a/hw12_13_14_15_calendar/internal/grpcserver/handlers.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/handlers.go
@ -1,27 +1,52 @@
-package grpcserver
+package public

 import (
 	"context"
+	"fmt"
+	"net"

 	"github.com/golang/protobuf/ptypes/empty"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/app"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+	googrpc "google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )

 type Service struct {
-	App app.App
+	S   *googrpc.Server
+	App calendar.App
+}
+
+func New(app *calendar.App) Service {
+	return Service{S: googrpc.NewServer(), App: *app}
+}
+
+func (s *Service) Start(conf config.Calendar) error {
+	s.App.Logger.Infof("public GRPC server starting")
+	listnGrpc, err := net.Listen("tcp", net.JoinHostPort(conf.GRPC.Address, conf.GRPC.Port))
+	if err != nil {
+		return fmt.Errorf("can't start public GRPC service: %w", err)
+	}
+	RegisterGrpcServer(s.S, s)
+	return s.S.Serve(listnGrpc)
+}
+
+func (s *Service) Stop() {
+	s.S.GracefulStop()
 }

 func (s Service) Create(ctx context.Context, e *CreateReq) (*CreateRsp, error) {
 	var res CreateRsp
 	ce, err := s.buildStorageEvent(e)
 	if err != nil {
+		s.App.Logger.Errorf("inconvertible event: %w", err)
 		return nil, status.Errorf(codes.Internal, "inconvertible")
 	}
 	t, err := s.App.Storage.Create(ce)
 	if err != nil {
+		s.App.Logger.Errorf("can't create event in storage: %w", err)
 		return nil, status.Errorf(codes.Internal, "storage error: can't create event")
 	}
 	res.ID = int64(t)
@ -31,28 +56,33 @@ func (s Service) Create(ctx context.Context, e *CreateReq) (*CreateRsp, error) {
 func (s Service) Update(ctx context.Context, e *UpdateReq) (*empty.Empty, error) {
 	cid, ce, err := s.buildStorageEventAndID(e)
 	if err != nil {
-		return nil, status.Errorf(codes.Internal, "inconvertible")
+		s.App.Logger.Errorf("inconvertible event: %w", err)
+		return &empty.Empty{}, status.Errorf(codes.Internal, "inconvertible")
 	}
 	if s.App.Storage.Update(cid, ce) != nil {
-		return nil, status.Errorf(codes.Internal, "storage error: can't update event")
+		s.App.Logger.Errorf("can't update event in storage: %w", err)
+		return &empty.Empty{}, status.Errorf(codes.Internal, "storage error: can't update event")
 	}
-	return nil, nil
+	return &empty.Empty{}, nil
 }

 func (s Service) Delete(ctx context.Context, e *DeleteReq) (*empty.Empty, error) {
-	if s.App.Storage.Delete(event.ID(e.ID)) != nil {
-		return nil, status.Errorf(codes.Internal, "storage error: can't update event")
+	if err := s.App.Storage.Delete(event.ID(e.ID)); err != nil {
+		s.App.Logger.Errorf("can't update event in storage: %w", err)
+		return &empty.Empty{}, status.Errorf(codes.Internal, "storage error: can't update event")
 	}
-	return nil, nil
+	return &empty.Empty{}, nil
 }

 func (s Service) List(ctx context.Context, e *empty.Empty) (*ListResp, error) {
 	tmp, err := s.App.Storage.List()
 	if err != nil {
+		s.App.Logger.Errorf("can't get list of events from storage: %w", err)
 		return nil, status.Errorf(codes.Internal, "storage error: can't get list of events")
 	}
 	l, err := s.buildEventList(tmp)
 	if err != nil {
+		s.App.Logger.Errorf("inconvertible list of events: %w", err)
 		return nil, status.Errorf(codes.Internal, "inconvertible")
 	}
 	return &ListResp{Events: l}, nil
@ -61,10 +91,12 @@ func (s Service) List(ctx context.Context, e *empty.Empty) (*ListResp, error) {
 func (s Service) GetByID(ctx context.Context, e *GetByIDReq) (*GetByIDResp, error) {
 	tmp, ok := s.App.Storage.GetByID(event.ID(e.ID))
 	if !ok {
+		s.App.Logger.Errorf("event with ID %s not found in storage", e.ID)
 		return nil, status.Errorf(codes.NotFound, "event not found")
 	}
 	l, err := s.buildEventList(map[event.ID]event.Event{event.ID(e.ID): tmp})
 	if err != nil {
+		s.App.Logger.Errorf("inconvertible list of events: %w", err)
 		return nil, status.Errorf(codes.Internal, "inconvertible")
 	}
 	return &GetByIDResp{Events: l}, nil
@ -73,14 +105,17 @@ func (s Service) GetByID(ctx context.Context, e *GetByIDReq) (*GetByIDResp, erro
 func (s Service) GetByDate(ctx context.Context, e *GetByDateReq) (*GetByDateResp, error) {
 	d, r, err := s.buildTimeAndRange(e)
 	if err != nil {
+		s.App.Logger.Errorf("inconvertible time range: %w", err)
 		return nil, status.Errorf(codes.Internal, "inconvertible")
 	}
 	tmp, err := s.App.Storage.GetByDate(d, r)
 	if err != nil {
+		s.App.Logger.Errorf("can't get list of events from storage: %w", err)
 		return nil, status.Errorf(codes.Internal, "storage error: can't get list of events")
 	}
 	l, err := s.buildEventList(tmp)
 	if err != nil {
+		s.App.Logger.Errorf("inconvertible list of events: %w", err)
 		return nil, status.Errorf(codes.Internal, "inconvertible")
 	}
 	return &GetByDateResp{Events: l}, nil
--- a/hw12_13_14_15_calendar/internal/grpcserver/handlers_test.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/handlers_test.go
@ -1,19 +1,24 @@
-package grpcserver
+package public

 import (
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/timestamp"
 	"github.com/stretchr/testify/suite"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/app"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/config"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/logger"
-	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/config"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	store "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage"
 	oslog "log"
 	"testing"
 	"time"
 )

-var conf = config.Config{HTTP: config.Server{Address: "localhost", Port: "50511"}, GRPC: config.Server{Address: "localhost", Port: "50512"}, Logger: config.Logger{File: "calendar.log", Level: "INFO", MuteStdout: false}, Storage: config.Storage{InMemory: true, SQLHost: "", SQLPort: "", SQLDbase: "", SQLUser: "", SQLPass: ""}}
+var conf = config.Calendar{
+	HTTP:    config.Server{Address: "localhost", Port: "50511"},
+	GRPC:    config.Server{Address: "localhost", Port: "50512"},
+	API:     config.Server{Address: "localhost", Port: "50513"},
+	Logger:  config.Logger{File: "calendar.log", Level: "INFO", MuteStdout: false},
+	Storage: config.Storage{InMemory: true, SQLHost: "", SQLPort: "", SQLDbase: "", SQLUser: "", SQLPass: ""}}

 var storeConf = store.Config(conf.Storage)

@ -31,11 +36,11 @@ type TestSuite struct {
 }

 func (suite *TestSuite) SetupTest() {
-	log, err := logger.New(conf)
+	log, err := logger.New(logger.Config(conf.Logger))
 	if err != nil {
 		oslog.Fatal("can't init logger")
 	}
-	suite.srv = Service{App: *app.New(log, store.NewStore(storeConf))}
+	suite.srv = Service{App: *calendar.New(log, store.NewStore(storeConf))}
 }

 func (s *TestSuite) TestCreateEvent() {
@ -74,7 +79,7 @@ func (s *TestSuite) TestListEvent() {
 	s.createEvent(&testEvent)

 	eventList := s.listEvents()
-	s.GreaterOrEqual(len(eventList),1)
+	s.GreaterOrEqual(len(eventList), 1)
 	s.Equal(testEvt1.Title, eventList[0].Title)
 }

@ -91,7 +96,7 @@ func (s *TestSuite) TestGetEventByDate() {
 	s.createEvent(&testEvent)

 	eventList := s.getEventByDate(testEvent.Date)
-	s.GreaterOrEqual(len(eventList),1)
+	s.GreaterOrEqual(len(eventList), 1)
 	s.Equal(testEvent.Title, eventList[0].Title)
 }

--- a/hw12_13_14_15_calendar/internal/grpcserver/grpcserver.pb.go
+++ b/hw12_13_14_15_calendar/internal/grpcserver/grpcserver.pb.go
@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: grpcserver.proto
+// source: public.proto

-package grpcserver
+package public

 import (
 	context "context"
@ -53,7 +53,7 @@ func (x QueryRange) String() string {
 }

 func (QueryRange) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{0}
+	return fileDescriptor_413a91106d7bcce8, []int{0}
 }

 type Event struct {
@ -64,6 +64,7 @@ type Event struct {
 	Note                 string               `protobuf:"bytes,5,opt,name=Note,proto3" json:"Note,omitempty"`
 	UserID               int64                `protobuf:"varint,6,opt,name=UserID,proto3" json:"UserID,omitempty"`
 	NotifyTime           *duration.Duration   `protobuf:"bytes,7,opt,name=NotifyTime,proto3" json:"NotifyTime,omitempty"`
+	Notified             bool                 `protobuf:"varint,8,opt,name=notified,proto3" json:"notified,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
 	XXX_unrecognized     []byte               `json:"-"`
 	XXX_sizecache        int32                `json:"-"`
@ -73,7 +74,7 @@ func (m *Event) Reset()         { *m = Event{} }
 func (m *Event) String() string { return proto.CompactTextString(m) }
 func (*Event) ProtoMessage()    {}
 func (*Event) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{0}
+	return fileDescriptor_413a91106d7bcce8, []int{0}
 }

 func (m *Event) XXX_Unmarshal(b []byte) error {
@ -143,6 +144,13 @@ func (m *Event) GetNotifyTime() *duration.Duration {
 	return nil
 }

+func (m *Event) GetNotified() bool {
+	if m != nil {
+		return m.Notified
+	}
+	return false
+}
+
 type CreateReq struct {
 	Title                string               `protobuf:"bytes,2,opt,name=Title,proto3" json:"Title,omitempty"`
 	Date                 *timestamp.Timestamp `protobuf:"bytes,3,opt,name=Date,proto3" json:"Date,omitempty"`
@ -159,7 +167,7 @@ func (m *CreateReq) Reset()         { *m = CreateReq{} }
 func (m *CreateReq) String() string { return proto.CompactTextString(m) }
 func (*CreateReq) ProtoMessage()    {}
 func (*CreateReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{1}
+	return fileDescriptor_413a91106d7bcce8, []int{1}
 }

 func (m *CreateReq) XXX_Unmarshal(b []byte) error {
@ -233,7 +241,7 @@ func (m *CreateRsp) Reset()         { *m = CreateRsp{} }
 func (m *CreateRsp) String() string { return proto.CompactTextString(m) }
 func (*CreateRsp) ProtoMessage()    {}
 func (*CreateRsp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{2}
+	return fileDescriptor_413a91106d7bcce8, []int{2}
 }

 func (m *CreateRsp) XXX_Unmarshal(b []byte) error {
@ -273,7 +281,7 @@ func (m *UpdateReq) Reset()         { *m = UpdateReq{} }
 func (m *UpdateReq) String() string { return proto.CompactTextString(m) }
 func (*UpdateReq) ProtoMessage()    {}
 func (*UpdateReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{3}
+	return fileDescriptor_413a91106d7bcce8, []int{3}
 }

 func (m *UpdateReq) XXX_Unmarshal(b []byte) error {
@ -319,7 +327,7 @@ func (m *DeleteReq) Reset()         { *m = DeleteReq{} }
 func (m *DeleteReq) String() string { return proto.CompactTextString(m) }
 func (*DeleteReq) ProtoMessage()    {}
 func (*DeleteReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{4}
+	return fileDescriptor_413a91106d7bcce8, []int{4}
 }

 func (m *DeleteReq) XXX_Unmarshal(b []byte) error {
@ -358,7 +366,7 @@ func (m *ListResp) Reset()         { *m = ListResp{} }
 func (m *ListResp) String() string { return proto.CompactTextString(m) }
 func (*ListResp) ProtoMessage()    {}
 func (*ListResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{5}
+	return fileDescriptor_413a91106d7bcce8, []int{5}
 }

 func (m *ListResp) XXX_Unmarshal(b []byte) error {
@ -397,7 +405,7 @@ func (m *GetByIDReq) Reset()         { *m = GetByIDReq{} }
 func (m *GetByIDReq) String() string { return proto.CompactTextString(m) }
 func (*GetByIDReq) ProtoMessage()    {}
 func (*GetByIDReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{6}
+	return fileDescriptor_413a91106d7bcce8, []int{6}
 }

 func (m *GetByIDReq) XXX_Unmarshal(b []byte) error {
@ -436,7 +444,7 @@ func (m *GetByIDResp) Reset()         { *m = GetByIDResp{} }
 func (m *GetByIDResp) String() string { return proto.CompactTextString(m) }
 func (*GetByIDResp) ProtoMessage()    {}
 func (*GetByIDResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{7}
+	return fileDescriptor_413a91106d7bcce8, []int{7}
 }

 func (m *GetByIDResp) XXX_Unmarshal(b []byte) error {
@ -466,7 +474,7 @@ func (m *GetByIDResp) GetEvents() []*Event {

 type GetByDateReq struct {
 	Date                 *timestamp.Timestamp `protobuf:"bytes,1,opt,name=Date,proto3" json:"Date,omitempty"`
-	Range                QueryRange           `protobuf:"varint,2,opt,name=Range,proto3,enum=grpcserver.QueryRange" json:"Range,omitempty"`
+	Range                QueryRange           `protobuf:"varint,2,opt,name=Range,proto3,enum=public.QueryRange" json:"Range,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
 	XXX_unrecognized     []byte               `json:"-"`
 	XXX_sizecache        int32                `json:"-"`
@ -476,7 +484,7 @@ func (m *GetByDateReq) Reset()         { *m = GetByDateReq{} }
 func (m *GetByDateReq) String() string { return proto.CompactTextString(m) }
 func (*GetByDateReq) ProtoMessage()    {}
 func (*GetByDateReq) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{8}
+	return fileDescriptor_413a91106d7bcce8, []int{8}
 }

 func (m *GetByDateReq) XXX_Unmarshal(b []byte) error {
@ -522,7 +530,7 @@ func (m *GetByDateResp) Reset()         { *m = GetByDateResp{} }
 func (m *GetByDateResp) String() string { return proto.CompactTextString(m) }
 func (*GetByDateResp) ProtoMessage()    {}
 func (*GetByDateResp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_afa6debe97205904, []int{9}
+	return fileDescriptor_413a91106d7bcce8, []int{9}
 }

 func (m *GetByDateResp) XXX_Unmarshal(b []byte) error {
@ -551,61 +559,62 @@ func (m *GetByDateResp) GetEvents() []*Event {
 }

 func init() {
-	proto.RegisterEnum("grpcserver.QueryRange", QueryRange_name, QueryRange_value)
-	proto.RegisterType((*Event)(nil), "grpcserver.Event")
-	proto.RegisterType((*CreateReq)(nil), "grpcserver.CreateReq")
-	proto.RegisterType((*CreateRsp)(nil), "grpcserver.CreateRsp")
-	proto.RegisterType((*UpdateReq)(nil), "grpcserver.UpdateReq")
-	proto.RegisterType((*DeleteReq)(nil), "grpcserver.DeleteReq")
-	proto.RegisterType((*ListResp)(nil), "grpcserver.ListResp")
-	proto.RegisterType((*GetByIDReq)(nil), "grpcserver.GetByIDReq")
-	proto.RegisterType((*GetByIDResp)(nil), "grpcserver.GetByIDResp")
-	proto.RegisterType((*GetByDateReq)(nil), "grpcserver.GetByDateReq")
-	proto.RegisterType((*GetByDateResp)(nil), "grpcserver.GetByDateResp")
+	proto.RegisterEnum("public.QueryRange", QueryRange_name, QueryRange_value)
+	proto.RegisterType((*Event)(nil), "public.Event")
+	proto.RegisterType((*CreateReq)(nil), "public.CreateReq")
+	proto.RegisterType((*CreateRsp)(nil), "public.CreateRsp")
+	proto.RegisterType((*UpdateReq)(nil), "public.UpdateReq")
+	proto.RegisterType((*DeleteReq)(nil), "public.DeleteReq")
+	proto.RegisterType((*ListResp)(nil), "public.ListResp")
+	proto.RegisterType((*GetByIDReq)(nil), "public.GetByIDReq")
+	proto.RegisterType((*GetByIDResp)(nil), "public.GetByIDResp")
+	proto.RegisterType((*GetByDateReq)(nil), "public.GetByDateReq")
+	proto.RegisterType((*GetByDateResp)(nil), "public.GetByDateResp")
 }

-func init() { proto.RegisterFile("grpcserver.proto", fileDescriptor_afa6debe97205904) }
+func init() { proto.RegisterFile("public.proto", fileDescriptor_413a91106d7bcce8) }

-var fileDescriptor_afa6debe97205904 = []byte{
-	// 608 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe4, 0x95, 0x4f, 0x6f, 0xd3, 0x4c,
-	0x10, 0xc6, 0x5f, 0x27, 0x8e, 0x53, 0x4f, 0xf3, 0x96, 0x74, 0x14, 0x52, 0xd7, 0xad, 0x4a, 0xb4,
-	0x17, 0x42, 0x84, 0x6c, 0x29, 0x15, 0x12, 0xf4, 0x46, 0x71, 0x04, 0x81, 0x36, 0x14, 0x2b, 0x15,
-	0x82, 0x13, 0x6e, 0xbb, 0x8d, 0x2c, 0x25, 0xb6, 0xb1, 0x37, 0x95, 0xa2, 0x2a, 0x17, 0xbe, 0x02,
-	0x1f, 0x8d, 0xaf, 0xc0, 0x15, 0xee, 0xdc, 0x90, 0xd7, 0x6b, 0xc7, 0xf9, 0x27, 0xe8, 0x99, 0x5b,
-	0x76, 0x9f, 0x99, 0xdf, 0xcc, 0xec, 0x3c, 0x8a, 0xa1, 0x3a, 0x08, 0x83, 0xcb, 0x88, 0x86, 0x37,
-	0x34, 0x34, 0x82, 0xd0, 0x67, 0x3e, 0xc2, 0xec, 0x46, 0x7f, 0x30, 0xf0, 0xfd, 0xc1, 0x90, 0x9a,
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+var fileDescriptor_413a91106d7bcce8 = []byte{
+	// 619 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xdc, 0x95, 0xcd, 0x6e, 0xd3, 0x40,
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+	0x00, 0xff, 0xff, 0xef, 0xf0, 0x80, 0xc3, 0x4a, 0x06, 0x00, 0x00,
 }

 // Reference imports to suppress errors if they are not otherwise used.
@ -638,7 +647,7 @@ func NewGrpcClient(cc *grpc.ClientConn) GrpcClient {

 func (c *grpcClient) Create(ctx context.Context, in *CreateReq, opts ...grpc.CallOption) (*CreateRsp, error) {
 	out := new(CreateRsp)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/Create", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/Create", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -647,7 +656,7 @@ func (c *grpcClient) Create(ctx context.Context, in *CreateReq, opts ...grpc.Cal

 func (c *grpcClient) Update(ctx context.Context, in *UpdateReq, opts ...grpc.CallOption) (*empty.Empty, error) {
 	out := new(empty.Empty)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/Update", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/Update", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -656,7 +665,7 @@ func (c *grpcClient) Update(ctx context.Context, in *UpdateReq, opts ...grpc.Cal

 func (c *grpcClient) Delete(ctx context.Context, in *DeleteReq, opts ...grpc.CallOption) (*empty.Empty, error) {
 	out := new(empty.Empty)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/Delete", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/Delete", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -665,7 +674,7 @@ func (c *grpcClient) Delete(ctx context.Context, in *DeleteReq, opts ...grpc.Cal

 func (c *grpcClient) List(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*ListResp, error) {
 	out := new(ListResp)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/List", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/List", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -674,7 +683,7 @@ func (c *grpcClient) List(ctx context.Context, in *empty.Empty, opts ...grpc.Cal

 func (c *grpcClient) GetByID(ctx context.Context, in *GetByIDReq, opts ...grpc.CallOption) (*GetByIDResp, error) {
 	out := new(GetByIDResp)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/GetByID", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/GetByID", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -683,7 +692,7 @@ func (c *grpcClient) GetByID(ctx context.Context, in *GetByIDReq, opts ...grpc.C

 func (c *grpcClient) GetByDate(ctx context.Context, in *GetByDateReq, opts ...grpc.CallOption) (*GetByDateResp, error) {
 	out := new(GetByDateResp)
-	err := c.cc.Invoke(ctx, "/grpcserver.grpc/GetByDate", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/public.grpc/GetByDate", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -737,7 +746,7 @@ func _Grpc_Create_Handler(srv interface{}, ctx context.Context, dec func(interfa
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/Create",
+		FullMethod: "/public.grpc/Create",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).Create(ctx, req.(*CreateReq))
@ -755,7 +764,7 @@ func _Grpc_Update_Handler(srv interface{}, ctx context.Context, dec func(interfa
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/Update",
+		FullMethod: "/public.grpc/Update",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).Update(ctx, req.(*UpdateReq))
@ -773,7 +782,7 @@ func _Grpc_Delete_Handler(srv interface{}, ctx context.Context, dec func(interfa
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/Delete",
+		FullMethod: "/public.grpc/Delete",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).Delete(ctx, req.(*DeleteReq))
@ -791,7 +800,7 @@ func _Grpc_List_Handler(srv interface{}, ctx context.Context, dec func(interface
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/List",
+		FullMethod: "/public.grpc/List",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).List(ctx, req.(*empty.Empty))
@ -809,7 +818,7 @@ func _Grpc_GetByID_Handler(srv interface{}, ctx context.Context, dec func(interf
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/GetByID",
+		FullMethod: "/public.grpc/GetByID",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).GetByID(ctx, req.(*GetByIDReq))
@ -827,7 +836,7 @@ func _Grpc_GetByDate_Handler(srv interface{}, ctx context.Context, dec func(inte
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/grpcserver.grpc/GetByDate",
+		FullMethod: "/public.grpc/GetByDate",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(GrpcServer).GetByDate(ctx, req.(*GetByDateReq))
@ -836,7 +845,7 @@ func _Grpc_GetByDate_Handler(srv interface{}, ctx context.Context, dec func(inte
 }

 var _Grpc_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "grpcserver.grpc",
+	ServiceName: "public.grpc",
 	HandlerType: (*GrpcServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
@ -865,5 +874,5 @@ var _Grpc_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "grpcserver.proto",
+	Metadata: "public.proto",
 }
--- a/hw12_13_14_15_calendar/pkg/api/rest/converters.go
+++ b/hw12_13_14_15_calendar/pkg/api/rest/converters.go
@ -0,0 +1,85 @@
+package rest
+
+import (
+	"fmt"
+
+	"github.com/golang/protobuf/ptypes"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+)
+
+func createReq2Event(e public.CreateReq) (res event.Event, err error) {
+	res = event.Event{
+		Title:  e.Title,
+		Note:   e.Note,
+		UserID: e.UserID,
+	}
+	res.Date, err = ptypes.Timestamp(e.Date)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	res.Latency, err = ptypes.Duration(e.Latency)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	res.NotifyTime, err = ptypes.Duration(e.NotifyTime)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	return res, nil
+}
+
+func pubEvent2Event(e public.Event) (res event.Event, err error) {
+	res = event.Event{
+		Title:  e.Title,
+		Note:   e.Note,
+		UserID: e.UserID,
+	}
+	res.Date, err = ptypes.Timestamp(e.Date)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	res.Latency, err = ptypes.Duration(e.Latency)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	res.NotifyTime, err = ptypes.Duration(e.NotifyTime)
+	if err != nil {
+		return event.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	return res, nil
+}
+
+func event2pubEvent(e event.Event) (res public.Event, err error) {
+	res = public.Event{
+		Title:      e.Title,
+		Latency:    ptypes.DurationProto(e.Latency),
+		Note:       e.Note,
+		UserID:     e.UserID,
+		NotifyTime: ptypes.DurationProto(e.NotifyTime),
+	}
+	res.Date, err = ptypes.TimestampProto(e.Date)
+	if err != nil {
+		return public.Event{}, fmt.Errorf("can;t convert types: %w", err)
+	}
+	return res, nil
+}
+
+func events2pubEvents(e map[event.ID]event.Event) (res []public.Event, err error) {
+	for id, ev := range e {
+		r := public.Event{
+			ID:         int64(id),
+			Title:      ev.Title,
+			Latency:    ptypes.DurationProto(ev.Latency),
+			Note:       ev.Note,
+			UserID:     ev.UserID,
+			NotifyTime: ptypes.DurationProto(ev.NotifyTime),
+		}
+		r.Date, err = ptypes.TimestampProto(ev.Date)
+		if err != nil {
+			return []public.Event{}, fmt.Errorf("can;t convert types: %w", err)
+		}
+		res = append(res, r)
+	}
+	return res, nil
+}
--- a/hw12_13_14_15_calendar/pkg/api/rest/handlers.go
+++ b/hw12_13_14_15_calendar/pkg/api/rest/handlers.go
@ -0,0 +1,170 @@
+package rest
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/calendar"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/logger"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+)
+
+func FromRESTCreate(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		bodyReq := public.CreateReq{}
+		bodyIn, err := ioutil.ReadAll(req.Body)
+		defer req.Body.Close()
+		if err != nil {
+			err503("can't body of the HTTP API request", err, calendar.Logger, r)
+		}
+		err = json.Unmarshal(bodyIn, &bodyReq)
+		if err != nil {
+			err503("can't unmarshal data from HTTP API request", err, calendar.Logger, r)
+		}
+		evt, err := createReq2Event(bodyReq)
+		if err != nil {
+			err503("can't convert types", err, calendar.Logger, r)
+		}
+		id, err := calendar.Storage.Create(evt)
+		if err != nil {
+			err503("can't create event through HTTP API", err, calendar.Logger, r)
+		}
+		bodyOut, err := json.Marshal(&public.CreateRsp{ID: int64(id)})
+		if err != nil {
+			err503("can't marshal request", err, calendar.Logger, r)
+		}
+		r.WriteHeader(201)
+		_, err = r.Write(bodyOut)
+		if err != nil {
+			calendar.Logger.Errorf("can't send response")
+		}
+	}
+}
+
+func FromRESTUpdate(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		paramID, err := strconv.Atoi(mux.Vars(req)["ID"])
+		if err != nil {
+			err503("can't get request parameter", err, calendar.Logger, r)
+		}
+		bodyReq := public.UpdateReq{}
+		bodyIn, err := ioutil.ReadAll(req.Body)
+		defer req.Body.Close()
+		if err != nil {
+			err503("can't body of the HTTP API request", err, calendar.Logger, r)
+		}
+		err = json.Unmarshal(bodyIn, &bodyReq)
+		if err != nil {
+			err503("can't unmarshal data from HTTP API request", err, calendar.Logger, r)
+		}
+		evt, err := pubEvent2Event(*bodyReq.Event)
+		if err != nil {
+			err503("can't convert types", err, calendar.Logger, r)
+		}
+		err = calendar.Storage.Update(event.ID(paramID), evt)
+		if err != nil {
+			err503("can't update event through HTTP API", err, calendar.Logger, r)
+		}
+		r.WriteHeader(200)
+	}
+}
+
+func FromRESTDelete(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		paramID, err := strconv.Atoi(mux.Vars(req)["ID"])
+		if err != nil {
+			err503("can't get request parameter", err, calendar.Logger, r)
+		}
+		err = calendar.Storage.Delete(event.ID(paramID))
+		if err != nil {
+			err503("can't create event from HTTP API", err, calendar.Logger, r)
+		}
+		r.WriteHeader(200)
+	}
+}
+
+func FromRESTList(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		evs, err := calendar.Storage.List()
+		if err != nil {
+			err503("can't list events through HTTP API", err, calendar.Logger, r)
+		}
+		events, err := events2pubEvents(evs)
+		if err != nil {
+			err503("can't convert types", err, calendar.Logger, r)
+		}
+		bodyOut, err := json.Marshal(&events)
+		if err != nil {
+			err503("can't marshal request", err, calendar.Logger, r)
+		}
+		r.WriteHeader(200)
+		_, err = r.Write(bodyOut)
+		if err != nil {
+			calendar.Logger.Errorf("can't send response")
+		}
+	}
+}
+
+func FromRESTGetByID(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		paramID, err := strconv.Atoi(mux.Vars(req)["ID"])
+		if err != nil {
+			err503("can't get request parameter", err, calendar.Logger, r)
+		}
+		ev, ok := calendar.Storage.GetByID(event.ID(paramID))
+		if !ok {
+			err503("event not found", fmt.Errorf("no one"), calendar.Logger, r)
+		}
+		evnt, err := event2pubEvent(ev)
+		if err != nil {
+			err503("can't convert types", err, calendar.Logger, r)
+		}
+		bodyOut, err := json.Marshal(&evnt)
+		if err != nil {
+			err503("can't marshal request", err, calendar.Logger, r)
+		}
+		_, err = r.Write(bodyOut)
+		if err != nil {
+			calendar.Logger.Errorf("can't send response")
+		}
+	}
+}
+
+func FromRESTGetByDate(calendar *calendar.App) http.HandlerFunc {
+	return func(r http.ResponseWriter, req *http.Request) {
+		paramRange := mux.Vars(req)["Range"]
+		d, err := strconv.Atoi(mux.Vars(req)["Date"])
+		paramDate := time.Unix(int64(d), 0)
+		if err != nil {
+			err503("can't parse date from request parameter", err, calendar.Logger, r)
+		}
+		evs, err := calendar.Storage.GetByDate(paramDate, paramRange)
+		if err != nil {
+			err503("can't list events through HTTP API", err, calendar.Logger, r)
+		}
+		events, err := events2pubEvents(evs)
+		if err != nil {
+			err503("can't convert types", err, calendar.Logger, r)
+		}
+		bodyOut, err := json.Marshal(&events)
+		if err != nil {
+			err503("can't marshal request", err, calendar.Logger, r)
+		}
+		r.WriteHeader(200)
+		_, err = r.Write(bodyOut)
+		if err != nil {
+			calendar.Logger.Errorf("can't send response")
+		}
+	}
+}
+
+func err503(s string, err error, l logger.Interface, r http.ResponseWriter) {
+	l.Errorf("%s: %w", s, err.Error())
+	r.WriteHeader(503)
+}
--- a/hw12_13_14_15_calendar/pkg/config/config.go
+++ b/hw12_13_14_15_calendar/pkg/config/config.go
@ -0,0 +1,81 @@
+package config
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"github.com/BurntSushi/toml"
+)
+
+func New(configFile string, str interface{}) error {
+	if configFile == "" {
+		err := ApplyEnvVars(str, "APP")
+		if err != nil {
+			return fmt.Errorf("can't apply envvars to config :%w", err)
+		}
+		return nil
+	}
+	f, err := os.Open(configFile)
+	if err != nil {
+		return fmt.Errorf("can't open config file: %w", err)
+	}
+	defer f.Close()
+	s, err := ioutil.ReadAll(f)
+	if err != nil {
+		return fmt.Errorf("can't read content of the config file : %w", err)
+	}
+	_, err = toml.Decode(string(s), str)
+	if err != nil {
+		return fmt.Errorf("can't parce config file : %w", err)
+	}
+	return nil
+}
+
+// Пришлось немного модифицировать пакет github.com/mxschmitt/golang-env-struct. В исходной реализации используется поиск по тегам, а у моих структур тегов быть не должно. Пришлось переделать функцию, чтобы она искала по именам полей.
+// Тест дополнен проверкой заполнения структуры из переменных окружения.
+func ApplyEnvVars(c interface{}, prefix string) error {
+	return applyEnvVar(reflect.ValueOf(c), reflect.TypeOf(c), -1, prefix)
+}
+
+func applyEnvVar(v reflect.Value, t reflect.Type, counter int, prefix string) error {
+	if v.Kind() != reflect.Ptr {
+		return fmt.Errorf("not a pointer value")
+	}
+	f := reflect.StructField{}
+	if counter != -1 {
+		f = t.Field(counter)
+	}
+	v = reflect.Indirect(v)
+	fName := strings.ToUpper(f.Name)
+	env := os.Getenv(prefix + fName)
+	if env != "" {
+		switch v.Kind() {
+		case reflect.Int:
+			envI, err := strconv.Atoi(env)
+			if err != nil {
+				return fmt.Errorf("could not parse to int: %w", err)
+			}
+			v.SetInt(int64(envI))
+		case reflect.String:
+			v.SetString(env)
+		case reflect.Bool:
+			envB, err := strconv.ParseBool(env)
+			if err != nil {
+				return fmt.Errorf("could not parse bool: %w", err)
+			}
+			v.SetBool(envB)
+		}
+	}
+	if v.Kind() == reflect.Struct {
+		for i := 0; i < v.NumField(); i++ {
+			if err := applyEnvVar(v.Field(i).Addr(), v.Type(), i, prefix+fName+"_"); err != nil {
+				return fmt.Errorf("could not apply env var: %w", err)
+			}
+		}
+	}
+	return nil
+}
--- a/hw12_13_14_15_calendar/pkg/config/config_test.go
+++ b/hw12_13_14_15_calendar/pkg/config/config_test.go
@ -0,0 +1,90 @@
+package config
+
+import (
+	"github.com/stretchr/testify/require"
+	"io/ioutil"
+	oslog "log"
+	"os"
+	"testing"
+)
+
+var _ = func() bool {
+	testing.Init()
+	return true
+}()
+
+func TestNewConfig(t *testing.T) {
+
+	badfile, err := ioutil.TempFile("", "conf.")
+	if err != nil {
+		oslog.Fatal(err)
+	}
+	defer os.Remove(badfile.Name())
+	badfile.WriteString(`aefSD
+sadfg
+RFABND FYGUMG
+V`)
+	badfile.Sync()
+
+	goodfile, err := ioutil.TempFile("", "conf.")
+	if err != nil {
+		oslog.Fatal(err)
+	}
+	defer os.Remove(goodfile.Name())
+	goodfile.WriteString(`[storage]
+inMemory = true
+SQLHost = "localhost"`)
+	goodfile.Sync()
+
+	t.Run("No such file", func(t *testing.T) {
+		var c Calendar
+		e := New("adfergdth", &c)
+		require.Equal(t, Calendar{}, c)
+		require.Error(t, e)
+	})
+
+	t.Run("Bad file", func(t *testing.T) {
+		var c Calendar
+		e := New(badfile.Name(), &c)
+		require.Equal(t, Calendar{}, c)
+		require.Error(t, e)
+	})
+
+	t.Run("TOML reading", func(t *testing.T) {
+		var c Calendar
+		e := New(goodfile.Name(), &c)
+		require.Equal(t, true, c.Storage.InMemory)
+		require.Equal(t, "localhost", c.Storage.SQLHost)
+		require.NoError(t, e)
+	})
+
+	t.Run("ENV reading", func(t *testing.T) {
+		for k, v := range map[string]string{"APP_STRUCT1_VAR1": "val1", "APP_STRUCT1_VAR2": "val2", "APP_STRUCT2_VAR1": "val3", "APP_STRUCT2_VAR2": "val4", "APP_STRUCT3_VAR1": "val5", "APP_STRUCT3_VAR2": "val6"} {
+			require.NoError(t, os.Setenv(k, v))
+		}
+		var str struct {
+			Struct1 struct {
+				Var1 string
+				Var2 string
+			}
+			Struct2 struct {
+				Var1 string
+				Var2 string
+			}
+			Struct3 struct {
+				Var1 string
+				Var2 string
+			}
+		}
+
+		err := New("", &str)
+		require.NoError(t, err)
+		require.Equal(t, "val1", str.Struct1.Var1)
+		require.Equal(t, "val2", str.Struct1.Var2)
+		require.Equal(t, "val3", str.Struct2.Var1)
+		require.Equal(t, "val4", str.Struct2.Var2)
+		require.Equal(t, "val5", str.Struct3.Var1)
+		require.Equal(t, "val6", str.Struct3.Var2)
+	})
+
+}
--- a/hw12_13_14_15_calendar/pkg/config/types.go
+++ b/hw12_13_14_15_calendar/pkg/config/types.go
@ -0,0 +1,50 @@
+package config
+
+type Calendar struct {
+	GRPC    Server
+	HTTP    Server
+	API     Server
+	Logger  Logger
+	Storage Storage
+}
+
+type Scheduler struct {
+	Rabbitmq Rabbit
+	Storage  Storage
+	Logger   Logger
+}
+
+type Sender struct {
+	Rabbitmq Rabbit
+	Logger   Logger
+}
+
+type Server struct {
+	Address string
+	Port    string
+}
+
+type Rabbit struct {
+	Login    string
+	Pass     string
+	Address  string
+	Port     string
+	Exchange string
+	Queue    string
+	Key      string
+}
+
+type Logger struct {
+	File       string
+	Level      string
+	MuteStdout bool
+}
+
+type Storage struct {
+	InMemory bool
+	SQLHost  string
+	SQLPort  string
+	SQLDbase string
+	SQLUser  string
+	SQLPass  string
+}
--- a/hw12_13_14_15_calendar/internal/logger/logger.go
+++ b/hw12_13_14_15_calendar/internal/logger/logger.go
@ -7,7 +7,6 @@ import (
 	"strings"

 	amitralog "github.com/amitrai48/logger"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/config"
 )

 type Interface interface {
@ -22,27 +21,34 @@ type Logger struct {
 	Logger amitralog.Logger
 }

+type Config struct {
+	File       string
+	Level      string
+	MuteStdout bool
+}
+
 var validLevel = map[string]bool{"debug": true, "info": true, "warn": true, "error": true, "fatal": true}

-func New(conf config.Config) (Interface, error) {
-	if conf.Logger.File == "" || !validLevel[strings.ToLower(conf.Logger.Level)] {
+func New(conf Config) (Interface, error) {
+	if conf.File == "" || !validLevel[strings.ToLower(conf.Level)] {
 		return nil, errors.New("invalid logger config")
 	}

 	c := amitralog.Configuration{
-		EnableConsole:     !conf.Logger.MuteStdout,
+		EnableConsole:     !conf.MuteStdout,
 		ConsoleLevel:      amitralog.Fatal,
 		ConsoleJSONFormat: false,
 		EnableFile:        true,
-		FileLevel:         strings.ToLower(conf.Logger.Level),
+		FileLevel:         strings.ToLower(conf.Level),
 		FileJSONFormat:    true,
-		FileLocation:      conf.Logger.File,
+		FileLocation:      conf.File,
 	}

 	if err := amitralog.NewLogger(c, amitralog.InstanceZapLogger); err != nil {
 		log.Fatalf("Could not instantiate log %s", err.Error())
 	}
-	l := amitralog.WithFields(amitralog.Fields{"hw": "12"})
+	l := amitralog.WithFields(amitralog.Fields{"hw": "15"})
+	l.Infof("logger start successful")
 	return l, nil
 }

--- a/hw12_13_14_15_calendar/internal/logger/logger_test.go
+++ b/hw12_13_14_15_calendar/internal/logger/logger_test.go
@ -2,7 +2,6 @@ package logger

 import (
 	"github.com/stretchr/testify/require"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/config"
 	"io/ioutil"
 	oslog "log"
 	"os"
@ -17,11 +16,7 @@ func TestLoggerLogic(t *testing.T) {
 	}
 	defer os.Remove(tmpfile.Name())

-	conf := config.Config{Logger: struct {
-		File       string
-		Level      string
-		MuteStdout bool
-	}{File: tmpfile.Name(), Level: "warn", MuteStdout: false}}
+	conf := Config{File: tmpfile.Name(), Level: "warn", MuteStdout: false}
 	log, err := New(conf)
 	if err != nil {
 		oslog.Fatal(err)
@ -42,21 +37,13 @@ func TestLoggerLogic(t *testing.T) {

 func TestLoggerNegative(t *testing.T) {
 	t.Run("Bad file name", func(t *testing.T) {
-		conf := config.Config{Logger: struct {
-			File       string
-			Level      string
-			MuteStdout bool
-		}{File: "", Level: "debug", MuteStdout: true}}
+		conf := Config{File: "", Level: "debug", MuteStdout: true}
 		_, err := New(conf)
 		require.Error(t, err, "invalid logger config")
 	})

 	t.Run("Bad level", func(t *testing.T) {
-		conf := config.Config{Logger: struct {
-			File       string
-			Level      string
-			MuteStdout bool
-		}{File: "asdafad", Level: "wegretryjt", MuteStdout: true}}
+		conf := Config{File: "asdafad", Level: "wegretryjt", MuteStdout: true}
 		_, err := New(conf)
 		require.Error(t, err, "invalid logger config")
 	})
--- a/hw12_13_14_15_calendar/pkg/rabbit/consumer.go
+++ b/hw12_13_14_15_calendar/pkg/rabbit/consumer.go
@ -0,0 +1,56 @@
+package rabbit
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"github.com/streadway/amqp"
+)
+
+type RMQConnection interface {
+	Channel() (*amqp.Channel, error)
+}
+
+type Message struct {
+	Ctx  context.Context
+	Data []byte
+}
+
+func (r *Rabbit) Consume(ctx context.Context, queue string) (<-chan Message, error) {
+	messages := make(chan Message)
+	ch, err := r.Connection.Channel()
+	if err != nil {
+		return nil, fmt.Errorf("can't get channel from AMQP connection: %w", err)
+	}
+	deliveries, err := ch.Consume(queue, "", false, false, false, false, nil)
+	if err != nil {
+		return nil, fmt.Errorf("start consuming: %w", err)
+	}
+
+	go func() {
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case del := <-deliveries:
+				if err := del.Ack(false); err != nil {
+					log.Println(err)
+				}
+
+				msg := Message{
+					Ctx:  context.TODO(),
+					Data: del.Body,
+				}
+
+				select {
+				case <-ctx.Done():
+					return
+				case messages <- msg:
+				}
+			}
+		}
+	}()
+
+	return messages, nil
+}
--- a/hw12_13_14_15_calendar/pkg/rabbit/producer.go
+++ b/hw12_13_14_15_calendar/pkg/rabbit/producer.go
@ -0,0 +1,34 @@
+package rabbit
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/streadway/amqp"
+)
+
+func (r *Rabbit) Publish(b []byte) error {
+	ch, err := r.Connection.Channel()
+	defer func() {
+		if err := ch.Close(); err != nil {
+			log.Println("can't close AMQP connection")
+		}
+	}()
+	if err != nil {
+		return fmt.Errorf("can't get channel from AMQP connection: %w", err)
+	}
+	err = ch.Publish(
+		r.Exchange, // exchange
+		r.Key,      // routing key
+		true,       // mandatory
+		false,      // immediate
+		amqp.Publishing{
+			DeliveryMode: amqp.Persistent,
+			ContentType:  "application/json; charset=utf-8",
+			Body:         b,
+		})
+	if err != nil {
+		return fmt.Errorf("can't publish message into RabbitMQ: %w", err)
+	}
+	return nil
+}
--- a/hw12_13_14_15_calendar/pkg/rabbit/rabbit.go
+++ b/hw12_13_14_15_calendar/pkg/rabbit/rabbit.go
@ -0,0 +1,86 @@
+package rabbit
+
+import (
+	"fmt"
+
+	"github.com/streadway/amqp"
+)
+
+type Rabbit struct {
+	Connection *amqp.Connection
+	Channel    *amqp.Channel
+	Exchange   string
+	Key        string
+	Queue      string
+}
+
+type Config struct {
+	Login    string
+	Pass     string
+	Address  string
+	Port     string
+	Exchange string
+	Queue    string
+	Key      string
+}
+
+func New(conf Config) (*Rabbit, error) {
+	conn, err := amqp.Dial("amqp://" + conf.Login + ":" + conf.Pass + "@" + conf.Address + ":" + conf.Port + "/")
+	if err != nil {
+		return nil, fmt.Errorf("can't dial RabbitMQ over AMQP: %w", err)
+	}
+	ch, err := conn.Channel()
+	if err != nil {
+		return nil, fmt.Errorf("can't get channel from AMQP connection: %w", err)
+	}
+	err = ch.ExchangeDeclare(
+		conf.Exchange, // name
+		"direct",      // type
+		true,          // durable
+		false,         // auto-deleted
+		false,         // internal
+		false,         // no-wait
+		nil,           // arguments
+	)
+	if err != nil {
+		return nil, fmt.Errorf("can't (re)declare exchange in RabbitMQ: %w", err)
+	}
+	q, err := ch.QueueDeclare(
+		conf.Queue,
+		false,
+		false,
+		false,
+		false,
+		nil,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("can't (re)create queue in RabbitMQ: %w", err)
+	}
+	err = ch.QueueBind(q.Name, conf.Key, conf.Exchange, false, nil)
+	if err != nil {
+		return nil, fmt.Errorf("can't bind Queue on Exchange in RabbitMQ: %w", err)
+	}
+	return &Rabbit{Connection: conn, Channel: ch, Exchange:conf.Exchange, Key: conf.Key, Queue: conf.Queue}, nil
+}
+
+func Attach(conf Config) (*Rabbit, error) {
+	conn, err := amqp.Dial("amqp://" + conf.Login + ":" + conf.Pass + "@" + conf.Address + ":" + conf.Port + "/")
+	if err != nil {
+		return nil, fmt.Errorf("can't dial RabbitMQ over AMQP: %w", err)
+	}
+	ch, err := conn.Channel()
+	if err != nil {
+		return nil, fmt.Errorf("can't get channel from AMQP connection: %w", err)
+	}
+	return &Rabbit{Connection: conn, Channel: ch, Exchange: conf.Exchange, Queue: conf.Queue, Key: conf.Key}, nil
+}
+
+func (r *Rabbit) Close() error {
+	if err := r.Channel.Close(); err != nil {
+		return fmt.Errorf("can't close connection channel: %w", err)
+	}
+	if err := r.Connection.Close(); err != nil {
+		return fmt.Errorf("can't close connection: %w", err)
+	}
+	return nil
+}
--- a/hw12_13_14_15_calendar/internal/storage/event/event.go
+++ b/hw12_13_14_15_calendar/internal/storage/event/event.go
@ -13,4 +13,5 @@ type Event struct {
 	Note       string
 	UserID     int64
 	NotifyTime time.Duration
+	Notified   bool
 }
--- a/hw12_13_14_15_calendar/internal/storage/memory/memory.go
+++ b/hw12_13_14_15_calendar/internal/storage/memory/memory.go
@ -4,7 +4,7 @@ import (
 	"sync"
 	"time"

-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
 )

 type Storage struct {
@ -65,6 +65,40 @@ func (s *Storage) GetByDate(startDate time.Time, rng string) (map[event.ID]event
 	return res, nil
 }

+func (s *Storage) GetNotifications() (map[event.ID]event.Event, error) {
+	s.Mu.Lock()
+	defer s.Mu.Unlock()
+	res := make(map[event.ID]event.Event)
+	for k, v := range s.Events {
+		if time.Until(v.Date) <= v.NotifyTime && !v.Notified {
+			res[k] = v
+		}
+	}
+	return res, nil
+}
+
+func (s *Storage) SetNotified(id event.ID) error {
+	s.Mu.Lock()
+	tmp := s.Events[id]
+	tmp.Notified = true
+	s.Events[id] = tmp
+	s.Mu.Unlock()
+	return nil
+}
+
+func (s *Storage) PurgeOldEvents(days int64) (res int64, err error) {
+	s.Mu.Lock()
+	defer s.Mu.Unlock()
+	seconds := time.Duration(days * 24 * 60 * 60)
+	for k, v := range s.Events {
+		if v.Date.Before(time.Now().Add(-seconds)) {
+			delete(s.Events, k)
+			res++
+		}
+	}
+	return res, err
+}
+
 func getEndDate(startDate time.Time, rng string) time.Time {
 	switch rng {
 	case "DAY":
--- a/hw12_13_14_15_calendar/internal/storage/memory/memory_test.go
+++ b/hw12_13_14_15_calendar/internal/storage/memory/memory_test.go
@ -2,7 +2,7 @@ package memory

 import (
 	"github.com/stretchr/testify/require"
-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
 	"testing"
 	"time"
 )
--- a/hw12_13_14_15_calendar/pkg/storage/sql/sql.go
+++ b/hw12_13_14_15_calendar/pkg/storage/sql/sql.go
@ -0,0 +1,238 @@
+package sql
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"time"
+
+	// Postgresql driver.
+	_ "github.com/lib/pq"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+)
+
+const dateTimeLayout = "2006-01-02T15:04:00Z"
+
+type Config struct {
+	User  string
+	Pass  string
+	Host  string
+	Port  string
+	Dbase string
+}
+
+type Storage struct {
+	db *sql.DB
+}
+
+func New(config Config) *Storage {
+	db, err := sql.Open("postgres", "user="+config.User+" password="+config.Pass+" host="+config.Host+" port="+config.Port+" dbname="+config.Dbase+" sslmode=disable")
+	if err != nil {
+		log.Fatalf("can't connect to db: %s", err.Error())
+	}
+	return &Storage{db: db}
+}
+
+func (s *Storage) Close() error {
+	return s.db.Close()
+}
+
+func (s *Storage) Create(ev event.Event) (event.ID, error) {
+	lastInsertID := -1
+	if err := s.db.QueryRow(
+		`INSERT INTO events 
+		(title, date, latency, note, userID, notifyTime,notified) VALUES 
+		($1, $2, $3, $4, $5, $6, $7) RETURNING id`,
+		ev.Title,
+		ev.Date.Format(dateTimeLayout),
+		ev.Latency,
+		ev.Note,
+		ev.UserID,
+		ev.NotifyTime,
+		false,
+	).Scan(&lastInsertID); err != nil {
+		return -1, fmt.Errorf("can't create event in SQL DB: %w", err)
+	}
+	return event.ID(lastInsertID), nil
+}
+
+func (s *Storage) Update(id event.ID, event event.Event) error {
+	_, err := s.db.Exec(
+		`UPDATE events set 
+		title=$1, date=$2, latency=$3, note=$4, userID=$5, notifyTime=$6
+		where id=$7`,
+		event.Title,
+		event.Date.Format(dateTimeLayout),
+		event.Latency,
+		event.Note,
+		event.UserID,
+		event.NotifyTime,
+		id,
+	)
+	if err != nil {
+		return fmt.Errorf("can't update event in SQL DB: %w", err)
+	}
+	return nil
+}
+
+func (s *Storage) Delete(id event.ID) error {
+	_, err := s.db.Exec(
+		`DELETE from events where id=$1`,
+		id,
+	)
+	if err != nil {
+		return fmt.Errorf("can't delete event from SQL DB: %w", err)
+	}
+	return nil
+}
+
+func (s *Storage) List() (map[event.ID]event.Event, error) {
+	res := make(map[event.ID]event.Event)
+	results, err := s.db.Query(`SELECT id,title,date,latency,note,userID,notifyTime,notified from events ORDER BY id`)
+	if err != nil {
+		return nil, fmt.Errorf("can't get list of events from SQL DB: %w", err)
+	}
+	defer results.Close()
+	for results.Next() {
+		var id event.ID
+		var evt event.Event
+		var dateRaw string
+		err = results.Scan(&id, &evt.Title, &dateRaw, &evt.Latency, &evt.Note, &evt.UserID, &evt.NotifyTime, &evt.Notified)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce list of events getted from SQL DB: %w", err)
+		}
+		evt.Date, err = time.Parse(dateTimeLayout, dateRaw)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce Date getted from SQL DB: %w", err)
+		}
+		res[id] = evt
+	}
+	if results.Err() != nil {
+		return nil, fmt.Errorf("something happens while we try to parce lines getted from SQL DB: %w", results.Err())
+	}
+	return res, nil
+}
+
+func (s *Storage) GetByID(id event.ID) (event.Event, bool) {
+	var res event.Event
+	var dateRaw string
+	err := s.db.QueryRow(
+		`SELECT title,date,latency,note,userID,notifyTime,notified from events where id=$1`, id).Scan(&res.Title, &dateRaw, &res.Latency, &res.Note, &res.UserID, &res.NotifyTime, &res.Notified)
+	if err != nil {
+		return res, false
+	}
+	dateParced, err := time.Parse(dateTimeLayout, dateRaw)
+	if err != nil {
+		return res, false
+	}
+	res.Date = dateParced
+	return res, true
+}
+
+func (s *Storage) GetByDate(startDate time.Time, rng string) (map[event.ID]event.Event, error) {
+	res := make(map[event.ID]event.Event)
+	endDate := getEndDate(startDate, rng)
+
+	results, err := s.db.Query(
+		`SELECT id,title,date,latency,note,userID,notifyTime,notified
+				from events
+				where (date>=$1 AND date<=$2)
+				ORDER BY id`,
+		startDate.Format(dateTimeLayout),
+		endDate.Format(dateTimeLayout))
+
+	if err != nil {
+		return nil, fmt.Errorf("can't get list of events from SQL DB: %w", err)
+	}
+	defer results.Close()
+	for results.Next() {
+		var id event.ID
+		var evt event.Event
+		var dateRaw string
+		err = results.Scan(&id, &evt.Title, &dateRaw, &evt.Latency, &evt.Note, &evt.UserID, &evt.NotifyTime, &evt.Notified)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce list of events getted from SQL DB: %w", err)
+		}
+		evt.Date, err = time.Parse(dateTimeLayout, dateRaw)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce Date getted from SQL DB: %w", err)
+		}
+		res[id] = evt
+	}
+	if results.Err() != nil {
+		return nil, fmt.Errorf("something happens while we try to parce lines getted from SQL DB: %w", results.Err())
+	}
+	return res, nil
+}
+
+func (s *Storage) GetNotifications() (map[event.ID]event.Event, error) {
+	res := make(map[event.ID]event.Event)
+	results, err := s.db.Query(
+		`SELECT id,title,date,latency,note,userID,notifyTime
+				from events
+				where 	(NOW()>date) AND (NOT notified)
+				ORDER BY id`)
+	if err != nil {
+		return nil, fmt.Errorf("can't get list of events from SQL DB: %w", err)
+	}
+	defer results.Close()
+	for results.Next() {
+		var id event.ID
+		var evt event.Event
+		var dateRaw string
+		err = results.Scan(&id, &evt.Title, &dateRaw, &evt.Latency, &evt.Note, &evt.UserID, &evt.NotifyTime)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce list of events getted from SQL DB: %w", err)
+		}
+		evt.Date, err = time.Parse(dateTimeLayout, dateRaw)
+		if err != nil {
+			return nil, fmt.Errorf("can't parce Date getted from SQL DB: %w", err)
+		}
+		res[id] = evt
+	}
+	if results.Err() != nil {
+		return nil, fmt.Errorf("something happens while we try to parce lines getted from SQL DB: %w", results.Err())
+	}
+	return res, nil
+}
+
+func (s *Storage) SetNotified(id event.ID) error {
+	_, err := s.db.Exec(
+		`UPDATE events set 
+		notified=true 
+		where id=$1`,
+		id,
+	)
+	if err != nil {
+		return fmt.Errorf("can't set event as notified in SQL DB: %w", err)
+	}
+	return nil
+}
+
+func (s *Storage) PurgeOldEvents(days int64) (int64, error) {
+	r, err := s.db.Exec(
+		`DELETE from events where date<$1`,
+		time.Now().Add(-time.Duration(days*24*60*60)),
+	)
+	if err != nil {
+		return 0, fmt.Errorf("can't delete old events from SQL DB: %w", err)
+	}
+	l, err := r.RowsAffected()
+	if err != nil {
+		return 0, fmt.Errorf("can't run RowAffected on SQL DB query: %w", err)
+	}
+	return l, nil
+}
+
+func getEndDate(startDate time.Time, rng string) time.Time {
+	switch rng {
+	case "DAY":
+		return startDate.AddDate(0, 0, 1)
+	case "WEEK":
+		return startDate.AddDate(0, 0, 7)
+	case "MONTH":
+		return startDate.AddDate(0, 1, 0)
+	default:
+		return startDate
+	}
+}
--- a/hw12_13_14_15_calendar/internal/storage/store.go
+++ b/hw12_13_14_15_calendar/internal/storage/store.go
@ -3,9 +3,9 @@ package store
 import (
 	"time"

-	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/event"
-	memorystorage "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/memory"
-	sqlstorage "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/internal/storage/sql"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/event"
+	memorystorage "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/memory"
+	sqlstorage "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/storage/sql"
 )

 type Config struct {
@ -24,6 +24,9 @@ type StorageInterface interface {
 	List() (map[event.ID]event.Event, error)
 	GetByID(event.ID) (event.Event, bool)
 	GetByDate(time.Time, string) (map[event.ID]event.Event, error)
+	GetNotifications() (map[event.ID]event.Event, error)
+	SetNotified(event.ID) error
+	PurgeOldEvents(int64) (int64, error)
 }

 func NewStore(conf Config) StorageInterface {
--- a/hw12_13_14_15_calendar/test/Dockerfile
+++ b/hw12_13_14_15_calendar/test/Dockerfile
@ -0,0 +1,6 @@
+FROM golang:1.14
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+RUN go get -d /app/test/.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go test ./test/...
--- a/hw12_13_14_15_calendar/test/client/grpcapi.go
+++ b/hw12_13_14_15_calendar/test/client/grpcapi.go
@ -0,0 +1,97 @@
+package client
+
+import (
+	"context"
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"time"
+)
+
+type GRPCAPI struct {
+	Name string
+	Ctx  context.Context
+	Host string
+	Port string
+}
+
+func (h GRPCAPI) GetName() string {
+	return h.Name
+}
+
+func (h GRPCAPI) Create(req *public.CreateReq) (*public.CreateRsp, error) {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := cliGRPC.Create(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (h GRPCAPI) Update(req *public.UpdateReq) error {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return err
+	}
+	_, err = cliGRPC.Update(ctx, req)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (h GRPCAPI) Delete(req *public.DeleteReq) error {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return err
+	}
+	_, err = cliGRPC.Delete(ctx, req)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (h GRPCAPI) GetByID(req *public.GetByIDReq) (*public.GetByIDResp, error) {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := cliGRPC.GetByID(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (h GRPCAPI) List() (*public.ListResp, error) {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := cliGRPC.List(ctx, &empty.Empty{})
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (h GRPCAPI) GetByDate(req *public.GetByDateReq) (*public.GetByDateResp, error) {
+	ctx, cliGRPC, err := getCli(h)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := cliGRPC.GetByDate(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func getCli(h GRPCAPI) (context.Context, public.GrpcClient, error) {
+	ctx, _ := context.WithTimeout(h.Ctx, 15*time.Second)
+	cliGRPC, err := public.NewClient(ctx, h.Host, h.Port)
+	return ctx, cliGRPC, err
+}
--- a/hw12_13_14_15_calendar/test/client/httpapi.go
+++ b/hw12_13_14_15_calendar/test/client/httpapi.go
@ -0,0 +1,151 @@
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+type HTTPAPI struct {
+	Name    string
+	BaseURL string
+}
+
+func (h HTTPAPI) GetName() string {
+	return h.Name
+}
+
+func (h HTTPAPI) Create(req *public.CreateReq) (*public.CreateRsp, error) {
+	jreq, err := json.Marshal(req)
+	if err != nil {
+		return &public.CreateRsp{}, err
+	}
+	res, body, err := apiCall("POST", h.BaseURL+"/events", jreq)
+	if err != nil {
+		return &public.CreateRsp{}, err
+	}
+	if res.StatusCode != 201 {
+		return &public.CreateRsp{}, fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	var createRsp public.CreateRsp
+	err = json.Unmarshal(body, &createRsp)
+	if err != nil {
+		return &public.CreateRsp{}, err
+	}
+	return &createRsp, nil
+}
+
+func (h HTTPAPI) Update(req *public.UpdateReq) error {
+	jreq, err := json.Marshal(req)
+	if err != nil {
+		return err
+	}
+	res, _, err := apiCall("PUT", h.BaseURL+"/events/"+strconv.Itoa(int(req.ID)), jreq)
+	if err != nil {
+		return err
+	}
+	if res.StatusCode != 200 {
+		return fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	return nil
+}
+
+func (h HTTPAPI) Delete(req *public.DeleteReq) error {
+	jreq, err := json.Marshal(req)
+	if err != nil {
+		return err
+	}
+	res, _, err := apiCall("DELETE", h.BaseURL+"/events/"+strconv.Itoa(int(req.ID)), jreq)
+	if err != nil {
+		return err
+	}
+	if res.StatusCode != 200 {
+		return fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	return nil
+}
+
+func (h HTTPAPI) GetByID(req *public.GetByIDReq) (*public.GetByIDResp, error) {
+	jreq, err := json.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+	res, body, err := apiCall("GET", h.BaseURL+"/events/"+strconv.Itoa(int(req.ID)), jreq)
+	if err != nil {
+		return nil, err
+	}
+	if res.StatusCode != 200 {
+		return nil, fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	var ev public.Event
+	err = json.Unmarshal(body, &ev)
+	if err != nil {
+		return nil, err
+	}
+	return &public.GetByIDResp{Events: []*public.Event{&ev}}, nil
+}
+
+func (h HTTPAPI) List() (*public.ListResp, error) {
+	res, body, err := apiCall("GET", h.BaseURL+"/events", nil)
+	if err != nil {
+		return &public.ListResp{}, err
+	}
+	if res.StatusCode != 200 {
+		return &public.ListResp{}, fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	var listResp public.ListResp
+	err = json.Unmarshal(body, &listResp.Events)
+	if err != nil {
+		return &public.ListResp{}, err
+	}
+	return &listResp, nil
+}
+
+func (h HTTPAPI) GetByDate(req *public.GetByDateReq) (*public.GetByDateResp, error) {
+	jreq, err := json.Marshal(req)
+	if err != nil {
+		return &public.GetByDateResp{}, err
+	}
+
+	res, body, err := apiCall("GET", h.BaseURL+"/events/"+req.Range.String()+"/"+strconv.Itoa(int(req.Date.Seconds)), jreq)
+	if err != nil {
+		return &public.GetByDateResp{}, err
+	}
+	if res.StatusCode != 200 {
+		return &public.GetByDateResp{}, fmt.Errorf("unexpected status code %d", res.StatusCode)
+	}
+	var getByDateResp public.GetByDateResp
+	err = json.Unmarshal(body, &getByDateResp.Events)
+	if err != nil {
+		return &public.GetByDateResp{}, err
+	}
+	return &getByDateResp, nil
+}
+
+func apiCall(method string, url string, payload []byte) (*http.Response, []byte, error) {
+	client := &http.Client{Transport: &http.Transport{DialContext: (&net.Dialer{Timeout: 15 * time.Second}).DialContext}}
+	req, err := http.NewRequest(method, url, bytes.NewBuffer(payload))
+	if err != nil {
+		return nil, nil, err
+	}
+	req.Header.Add("Content-Type", "application/json")
+	req.Close = true
+	res, err := client.Do(req)
+	if err != nil {
+		return nil, nil, err
+	}
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		return nil, nil, err
+	}
+	if err = res.Body.Close(); err != nil {
+		return nil, nil, err
+	}
+	return res, body, nil
+}
--- a/hw12_13_14_15_calendar/test/client/iface.go
+++ b/hw12_13_14_15_calendar/test/client/iface.go
@ -0,0 +1,13 @@
+package client
+
+import "github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+
+type Interface interface {
+	GetName() string
+	Create(req *public.CreateReq) (*public.CreateRsp, error)
+	Update(req *public.UpdateReq) error
+	Delete(req *public.DeleteReq) error
+	GetByID(req *public.GetByIDReq) (*public.GetByIDResp, error)
+	List() (*public.ListResp, error)
+	GetByDate(req *public.GetByDateReq) (*public.GetByDateResp, error)
+}
--- a/hw12_13_14_15_calendar/test/main.go
+++ b/hw12_13_14_15_calendar/test/main.go
@ -0,0 +1,9 @@
+package main
+
+import (
+	"log"
+)
+
+func main() {
+	log.Fatalln("Nothing to do")
+}
--- a/hw12_13_14_15_calendar/test/main_test.go
+++ b/hw12_13_14_15_calendar/test/main_test.go
@ -0,0 +1,187 @@
+package main
+
+import (
+	"context"
+	"log"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/test/client"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/test/misc"
+)
+
+func TestPublicAPIEndpoints(t *testing.T) {
+	cli := []client.Interface{
+		client.GRPCAPI{Ctx: context.Background(), Host: "localhost", Port: "50051", Name: "GRPC API"},
+		client.HTTPAPI{BaseURL: "http://localhost:50052", Name: "HTTP REST API"},
+	}
+	wg := sync.WaitGroup{}
+	wg.Add(len(cli) * 6)
+
+	for _, c := range cli {
+		t.Run("test "+c.GetName()+" for Create, GetById and Delete", func(t *testing.T) {
+			var ids []int64
+			defer func() {
+				wg.Done()
+				clean(c, &ids)
+			}()
+
+			resp1, err := c.Create(&misc.TestEvent01)
+			require.NoError(t, err)
+			require.Greater(t, resp1.ID, int64(0))
+			ids = append(ids, resp1.ID)
+
+			resp2, err := c.GetByID(&public.GetByIDReq{ID: resp1.ID})
+			require.NoError(t, err)
+			require.Equal(t, 1, len(resp2.Events))
+			require.Equal(t, misc.TestEvent01.Title, resp2.Events[0].Title)
+			require.Equal(t, misc.TestEvent01.UserID, resp2.Events[0].UserID)
+			require.Equal(t, misc.TestEvent01.Note, resp2.Events[0].Note)
+		})
+
+		t.Run("test "+c.GetName()+" for Create, Update, GetById and Delete", func(t *testing.T) {
+			var ids []int64
+			defer func() {
+				wg.Done()
+				clean(c, &ids)
+			}()
+
+			resp1, err := c.Create(&misc.TestEvent01)
+			require.NoError(t, err)
+			require.Greater(t, resp1.ID, int64(0))
+			ids = append(ids, resp1.ID)
+
+			err = c.Update(&public.UpdateReq{ID: resp1.ID, Event: &public.Event{ID: resp1.ID, Title: misc.TestEvent02.Title, Date: misc.TestEvent02.Date, Latency: misc.TestEvent02.Latency, Note: misc.TestEvent02.Note, UserID: misc.TestEvent02.UserID, NotifyTime: misc.TestEvent02.NotifyTime}})
+			require.NoError(t, err)
+
+			resp2, err := c.GetByID(&public.GetByIDReq{ID: resp1.ID})
+			require.NoError(t, err)
+			require.Equal(t, 1, len(resp2.Events))
+			require.Equal(t, misc.TestEvent02.Title, resp2.Events[0].Title)
+			require.Equal(t, misc.TestEvent02.UserID, resp2.Events[0].UserID)
+			require.Equal(t, misc.TestEvent02.Note, resp2.Events[0].Note)
+		})
+
+		t.Run("test "+c.GetName()+" for Create, Delete and GetById", func(t *testing.T) {
+			defer wg.Done()
+
+			resp1, err := c.Create(&misc.TestEvent01)
+			require.NoError(t, err)
+			require.Greater(t, resp1.ID, int64(0))
+
+			err = c.Delete(&public.DeleteReq{ID: resp1.ID})
+			require.NoError(t, err)
+
+			resp2, err := c.GetByID(&public.GetByIDReq{ID: resp1.ID})
+			require.Error(t, err)
+			require.Nil(t, resp2)
+		})
+
+		t.Run("test "+c.GetName()+" for Create, List and Delete", func(t *testing.T) {
+			var ids []int64
+			defer func() {
+				wg.Done()
+				clean(c, &ids)
+			}()
+
+			resp1, err := c.Create(&misc.TestEvent01)
+			require.NoError(t, err)
+			require.Greater(t, resp1.ID, int64(0))
+			ids = append(ids, resp1.ID)
+
+			resp2, err := c.Create(&misc.TestEvent02)
+			require.NoError(t, err)
+			require.Greater(t, resp2.ID, int64(0))
+			ids = append(ids, resp2.ID)
+
+			resp3, err := c.List()
+			require.NoError(t, err)
+			require.GreaterOrEqual(t, len(resp3.Events), 2)
+			var e1, e2 bool
+			for _, v := range resp3.Events {
+				if v.ID == resp1.ID {
+					e1 = true
+				}
+				if v.ID == resp2.ID {
+					e2 = true
+				}
+			}
+			require.True(t, e1)
+			require.True(t, e2)
+
+			err = c.Delete(&public.DeleteReq{ID: resp1.ID})
+			require.NoError(t, err)
+
+			err = c.Delete(&public.DeleteReq{ID: resp2.ID})
+			require.NoError(t, err)
+		})
+
+		t.Run("test "+c.GetName()+" for Create, GetByDate and Delete", func(t *testing.T) {
+			var ids []int64
+			defer func() {
+				wg.Done()
+				clean(c, &ids)
+			}()
+
+			startDate, err := time.Parse("2006-01-02T15:04:00", "3100-01-01T12:00:00")
+			require.NoError(t, err)
+			for i := time.Hour; i < (60 * 24 * time.Hour); i = i + 48*time.Hour {
+				resp1, err := c.Create(&public.CreateReq{
+					Title:      "Test event 02",
+					Date:       misc.Time2pbtimestamp(startDate.Add(i)),
+					Latency:    misc.Dur2pbduration(2 * 24 * time.Hour),
+					Note:       "Note of test event 02",
+					NotifyTime: misc.Dur2pbduration(5 * time.Minute),
+					UserID:     2222,
+				})
+				require.NoError(t, err)
+				require.Greater(t, resp1.ID, int64(0))
+				ids = append(ids, resp1.ID)
+			}
+
+			resp2, err := c.GetByDate(&public.GetByDateReq{Date: misc.Time2pbtimestamp(startDate), Range: public.QueryRange_DAY})
+			require.NoError(t, err)
+			require.Equal(t, 1, len(resp2.Events))
+
+			resp3, err := c.GetByDate(&public.GetByDateReq{Date: misc.Time2pbtimestamp(startDate), Range: public.QueryRange_WEEK})
+			require.NoError(t, err)
+			require.Equal(t, 4, len(resp3.Events))
+
+			resp4, err := c.GetByDate(&public.GetByDateReq{Date: misc.Time2pbtimestamp(startDate), Range: public.QueryRange_MONTH})
+			require.NoError(t, err)
+			require.Equal(t, 16, len(resp4.Events))
+		})
+
+		t.Run("test "+c.GetName()+" for send notification", func(t *testing.T) {
+			var ids []int64
+			defer func() {
+				wg.Done()
+				clean(c, &ids)
+			}()
+
+			resp1, err := c.Create(&misc.TestEvent03)
+			require.NoError(t, err)
+			require.Greater(t, resp1.ID, int64(0))
+			ids = append(ids, resp1.ID)
+			time.Sleep(5 * time.Second)
+
+			resp2, err := c.GetByID(&public.GetByIDReq{ID: resp1.ID})
+			require.NoError(t, err)
+			require.Equal(t, 1, len(resp2.Events))
+			require.True(t, resp2.Events[0].Notified)
+		})
+	}
+}
+
+func clean(c client.Interface, ids *[]int64) {
+	for _, m := range *ids {
+		err := c.Delete(&public.DeleteReq{ID: m})
+		if err != nil {
+			log.Println("error when try to clean DB: ", err.Error())
+		}
+	}
+}
--- a/hw12_13_14_15_calendar/test/misc/misc.go
+++ b/hw12_13_14_15_calendar/test/misc/misc.go
@ -0,0 +1,49 @@
+package misc
+
+import (
+	"github.com/golang/protobuf/ptypes"
+	"github.com/golang/protobuf/ptypes/duration"
+	"github.com/golang/protobuf/ptypes/timestamp"
+	"github.com/tiburon-777/HW_OTUS/hw12_13_14_15_calendar/pkg/api/public"
+	"log"
+	"time"
+)
+
+var TestEvent01 = public.CreateReq{
+	Title:      "Test event 01",
+	Date:       Time2pbtimestamp(time.Now().Add(30 * time.Second)),
+	Latency:    Dur2pbduration(24 * time.Hour),
+	Note:       "Note of test event 01",
+	NotifyTime: Dur2pbduration(5 * time.Minute),
+	UserID:     1111,
+}
+
+var TestEvent02 = public.CreateReq{
+	Title:      "Test event 02",
+	Date:       Time2pbtimestamp(time.Now().Add(60 * time.Second)),
+	Latency:    Dur2pbduration(2 * 24 * time.Hour),
+	Note:       "Note of test event 02",
+	NotifyTime: Dur2pbduration(5 * time.Minute),
+	UserID:     2222,
+}
+
+var TestEvent03 = public.CreateReq{
+	Title:      "Test event 03",
+	Date:       Time2pbtimestamp(time.Now().Add(-5 * time.Minute)),
+	Latency:    Dur2pbduration(24 * time.Hour),
+	Note:       "Note of test event 03",
+	NotifyTime: Dur2pbduration(1 * time.Second),
+	UserID:     1111,
+}
+
+func Time2pbtimestamp(t time.Time) *timestamp.Timestamp {
+	r, err := ptypes.TimestampProto(t)
+	if err != nil {
+		log.Fatalf("cant convert Time to Timestamp: %s", err.Error())
+	}
+	return r
+}
+
+func Dur2pbduration(t time.Duration) *duration.Duration {
+	return ptypes.DurationProto(t)
+}