protoc-gen-gotemplate/examples/go-kit/templates/{{.File.Package}}/gen/endpoints/endpoints.go.tmpl

package {{.File.Package}}_endpoints

{{$file := .File}}

import (
	context "context"
	"fmt"

	oldcontext "golang.org/x/net/context"
        pb "{{cat .GoPWD "/" .DestinationDir | nospace | clean}}/pb"
	"github.com/go-kit/kit/endpoint"
)

var _ = endpoint.Chain
var _ = fmt.Errorf
var _ = context.Background

type StreamEndpoint func(server interface{}, req interface{}) (err error)

type Endpoints struct {
	{{range .Service.Method}}
		{{if or (.ClientStreaming) (.ServerStreaming)}}
			{{.Name}}Endpoint StreamEndpoint
		{{else}}
			{{.Name}}Endpoint endpoint.Endpoint
		{{end}}
	{{end}}
}

{{range .Service.Method}}
	{{if .ServerStreaming}}
		{{if .ClientStreaming}}
			func (e *Endpoints){{.Name}}(server pb.{{$file.Package | title}}Service_{{.Name}}Server) error {
				return fmt.Errorf("not implemented")
			}
		{{else}}
			func (e *Endpoints){{.Name}}(in *pb.{{.Name}}Request, server pb.{{$file.Package | title}}Service_{{.Name}}Server) error {
				return fmt.Errorf("not implemented")
			}
		{{end}}
	{{else}}
		{{if .ClientStreaming}}
			func (e *Endpoints){{.Name}}(server pb.{{$file.Package | title}}Service_{{.Name}}Server) error {
				return fmt.Errorf("not implemented")
			}
		{{else}}
			func (e *Endpoints){{.Name}}(ctx oldcontext.Context, in *pb.{{.InputType | splitArray "." | last}}) (*pb.{{.OutputType | splitArray "." | last}}, error) {
				out, err := e.{{.Name}}Endpoint(ctx, in)
				if err != nil {
					return &pb.{{.OutputType | splitArray "." | last}}{ErrMsg: err.Error()}, err
				}
				return out.(*pb.{{.OutputType | splitArray "." | last}}), err
			}
		{{end}}
	{{end}}
{{end}}

{{range .Service.Method}}
	{{if or (.ServerStreaming) (.ClientStreaming)}}
		func Make{{.Name}}Endpoint(svc pb.{{$file.Package | title}}ServiceServer) StreamEndpoint {
			return func(server interface{}, request interface{}) error {
				{{if .ClientStreaming}}
				return svc.{{.Name}}(server.(pb.{{$file.Package | title}}Service_{{.Name}}Server))
				{{else}}
				return svc.{{.Name}}(request.(*pb.{{.Name}}Request), server.(pb.{{$file.Package | title}}Service_{{.Name}}Server))
				{{end}}
			}
		}
	{{else}}
		func Make{{.Name}}Endpoint(svc pb.{{$file.Package | title}}ServiceServer) endpoint.Endpoint {
			return func(ctx context.Context, request interface{}) (interface{}, error) {
				req := request.(*pb.{{.InputType | splitArray "." | last}})
				rep, err := svc.{{.Name}}(ctx, req)
				if err != nil {
					return &pb.{{.OutputType | splitArray "." | last}}{ErrMsg: err.Error()}, err
				}
				return rep, nil
			}
		}
	{{end}}
{{end}}

func MakeEndpoints(svc pb.{{.File.Package | title}}ServiceServer) Endpoints {
	return Endpoints{
		{{range .Service.Method}}
			{{.Name}}Endpoint: Make{{.Name}}Endpoint(svc),
		{{end}}
	}
}