GoLang_Project/previewer/application/application.go

63 lines
1.5 KiB
Go

package application
import (
"github.com/tiburon-777/OTUS_Project/previewer/config"
"github.com/tiburon-777/OTUS_Project/previewer/logger"
oslog "log"
"net"
"net/http"
"time"
)
type App struct {
*http.Server
Log logger.Interface
}
func New(conf config.Config) *App {
loger, err := logger.New(conf.Log)
if err != nil {
oslog.Fatal("не удалось прикрутить логгер")
}
return &App{Server: &http.Server{Addr: net.JoinHostPort(conf.Server.Address, conf.Server.Port), Handler: LoggingMiddleware(Handler, loger)}, Log: loger}
}
func Handler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
_, _ = w.Write([]byte("Hello! I'm calendar app!"))
}
func LoggingMiddleware(next http.HandlerFunc, l logger.Interface) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
defer func() {
var path, useragent string
if r.URL != nil {
path = r.URL.Path
}
if len(r.UserAgent()) > 0 {
useragent = r.UserAgent()
}
latency := time.Since(start)
l.Infof("receive %s request from IP: %s on path: %s, duration: %s useragent: %s ", r.Method, r.RemoteAddr, path, latency, useragent)
}()
next.ServeHTTP(w, r)
})
}
func (s *App) Start() error {
if err := s.ListenAndServe(); err != nil {
return err
}
s.Log.Infof("Server starting")
return nil
}
func (s *App) Stop() error {
if err := s.Close(); err != nil {
return err
}
s.Log.Infof("Server stoped")
return nil
}