// Init - route handler
func Init(r *mux.Router) *mux.Router {
r.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, "Hello, world!")
})
r.HandleFunc("/ping", func(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, "Pong")
})
r.HandleFunc("/reflection", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-type", "application/json")
// decoding the request body
var greeting GreetingRequest
if err := json.NewDecoder(req.Body).Decode(&greeting); err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// writing out the response
if err := json.NewEncoder(w).Encode(greeting); err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
}).Methods("POST")
return r
}
// Init - route handler
func Init(r *mux.Router, db *sqlx.DB) *mux.Router {
postManager := newManager(db)
r.HandleFunc("/posts", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-type", "application/json")
// decoding the request body
var request PostRequest
err := json.NewDecoder(req.Body).Decode(&request)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// creating the post
post, err := postManager.create(request)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// writing out the response
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(post)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
}).Methods("POST")
r.HandleFunc("/post/{id:[0-9]+}", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-type", "application/json")
// fetching the url vars
id, err := strconv.Atoi(mux.Vars(req)["id"])
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// getting the post
post, err := postManager.get(id)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// writing out the response
err = json.NewEncoder(w).Encode(post)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
}).Methods("GET")
r.HandleFunc("/post/{id:[0-9]+}", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-type", "application/json")
// fetching the url vars
id, err := strconv.Atoi(mux.Vars(req)["id"])
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// getting the post
post, err := postManager.get(id)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// deleting the post
err = postManager.delete(post)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
}
// writing out the response
err = json.NewEncoder(w).Encode(DeleteResponse{})
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
}).Methods("DELETE")
r.HandleFunc("/post/{id:[0-9]+}", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-type", "application/json")
// fetching the url vars
id, err := strconv.Atoi(mux.Vars(req)["id"])
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// getting the post
post, err := postManager.get(id)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// decoding the request body
var request PostRequest
err = json.NewDecoder(req.Body).Decode(&request)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
// updating the post
post, err = postManager.update(post, request)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
}
// writing out the response
err = json.NewEncoder(w).Encode(post)
if err != nil {
Util.WriteJSONErrorResponse(w, err)
return
}
}).Methods("PUT")
return r
}