drone/registry/app/api/handler/swagger/swagger.go

64 lines
1.6 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package swagger
import (
"encoding/json"
"fmt"
"net/http"
"github.com/harness/gitness/registry/app/api/openapi/contracts/artifact"
"github.com/go-chi/chi/v5"
"github.com/rs/zerolog/log"
httpswagger "github.com/swaggo/http-swagger"
)
type Handler interface {
http.Handler
}
func GetSwaggerHandler(base string) Handler {
r := chi.NewRouter()
// Generate OpenAPI specification
swagger, err := artifact.GetSwagger()
if err != nil {
panic(err)
}
// Serve the OpenAPI specification JSON
r.Get(
fmt.Sprintf("%s/swagger.json", base), http.HandlerFunc(
func(w http.ResponseWriter, _ *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
jsonResponse, _ := json.Marshal(swagger)
_, err2 := w.Write(jsonResponse)
if err2 != nil {
log.Error().Err(err2).Msg("Failed to write response")
}
},
),
)
r.Get(
fmt.Sprintf("%s/swagger/*", base), httpswagger.Handler(
httpswagger.URL(fmt.Sprintf("%s/swagger.json", base)), // The url pointing to API definition
),
)
return r
}