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transport.go
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/
transport.go
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package main
import (
"context"
"encoding/json"
"net/http"
"github.com/go-kit/kit/endpoint"
)
func makeGreetingEndpoint(svc GreetingService) endpoint.Endpoint {
return func(_ context.Context, request interface{}) (interface{}, error) {
req := request.(greetingRequest)
v, err := svc.Greeting(req.Name)
if err != nil {
return greetingResponse{v, err.Error()}, nil
}
return greetingResponse{v, ""}, nil
}
}
func decodeGreetingRequest(_ context.Context, r *http.Request) (interface{}, error) {
var request greetingRequest
if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
return nil, err
}
return request, nil
}
func encodeGreetingResponse(_ context.Context, w http.ResponseWriter, response interface{}) error {
return json.NewEncoder(w).Encode(response)
}
type greetingRequest struct {
Name string `json:"name"`
}
type greetingResponse struct {
Name string `json:"name"`
Err string `json:"err,omitempty"`
}