implement editing messages

api/api.go

@@ -42,6 +42,7 @@ func Start() {
 			r.Use(MessageCtx) // Load message
 			r.Get("/", GetMessage)
 			r.Delete("/", DeleteMessage)
+			r.Post("/edit", EditMessage)
 		})
 		r.Post("/new", NewMessage)
 	})

api/message.go

@@ -48,6 +48,29 @@ func GetMessage(w http.ResponseWriter, r *http.Request) {
 
 }
 
+func EditMessage(w http.ResponseWriter, r *http.Request) {
+	message, ok := r.Context().Value(messageKey{}).(*Message)
+	if !ok || message == nil {
+		render.Render(w, r, ErrNotFound)
+		return
+	}
+	err := r.ParseMultipartForm(64 << 10)
+	if err != nil {
+		http.Error(w, "Unable to parse form", http.StatusBadRequest)
+		return
+	}
+	body := r.FormValue("body")
+	if body == "" {
+		http.Error(w, "Message body cannot be empty", http.StatusBadRequest)
+		return
+	}
+	message.Body = body
+	dbDeleteMessage(message.ID)
+	err = dbAddMessage(message)
+	if err != nil {
+	}
+}
+
 func DeleteMessage(w http.ResponseWriter, r *http.Request) {
 	message, ok := r.Context().Value(messageKey{}).(*Message)
 	if !ok || message == nil {