/
transport.go
101 lines (85 loc) · 2.49 KB
/
transport.go
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package main
import (
"encoding/json"
"fmt"
"net/http"
"context"
"github.com/go-kit/kit/endpoint"
httptransport "github.com/go-kit/kit/transport/http"
)
func makeVersionEndpoint(svc CommonService) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
r := request.(*http.Request)
return svc.Version(r), nil
}
}
func makeMetaDataEndpoint(svc CommonService) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
r := request.(*http.Request)
return svc.MetaData(r), nil
}
}
func makeHealthEndpoint(svc CommonService) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
r := request.(*http.Request)
return svc.Health(r), nil
}
}
func makeErrorEndpoint(svc CommonService) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
r := request.(*http.Request)
return svc.Error(r), nil
}
}
func makeHomeEndpoint(svc CommonService) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
r := request.(*http.Request)
return svc.Home(r), nil
}
}
func decodeNoParamsRequest(_ context.Context, r *http.Request) (interface{}, error) {
return r, nil
}
func encodeResponseJSON(_ context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
func encodeResponseRaw(_ context.Context, w http.ResponseWriter, response interface{}) error {
fmt.Fprintf(w, "%s", response)
return nil
}
func createFrontendEndpoints(common CommonService) {
homeHandler := httptransport.NewServer(
makeHomeEndpoint(common),
decodeNoParamsRequest,
encodeResponseRaw,
)
http.Handle("/", homeHandler)
}
func createBackendEndpoints(common CommonService) {
metaDataHandler := httptransport.NewServer(
makeMetaDataEndpoint(common),
decodeNoParamsRequest,
encodeResponseJSON,
)
http.Handle("/metadata", metaDataHandler)
}
func createCommonEndpoints(common CommonService) {
versionHandler := httptransport.NewServer(
makeVersionEndpoint(common),
decodeNoParamsRequest,
encodeResponseJSON,
)
http.Handle("/version", versionHandler)
healthHandler := httptransport.NewServer(
makeHealthEndpoint(common),
decodeNoParamsRequest,
encodeResponseJSON,
)
http.Handle("/health", healthHandler)
errorHandler := httptransport.NewServer(
makeErrorEndpoint(common),
decodeNoParamsRequest,
encodeResponseJSON,
)
http.Handle("/error", errorHandler)
}