implement message deletion

api/api.go

@@ -41,6 +41,7 @@ func Start() {
 		r.Route("/{messageID}", func(r chi.Router) {
 			r.Use(MessageCtx) // Load message
 			r.Get("/", GetMessage)
+			r.Delete("/", DeleteMessage)
 		})
 		r.Post("/new", NewMessage)
 	})

api/db.go

@@ -97,3 +97,7 @@ func dbAddMessage(message *Message) error {
 	}
 	return db.AddMessage(dbMessage)
 }
+
+func dbDeleteMessage(id string) error {
+	return db.DeleteMessage(id)
+}

api/message.go

@@ -48,6 +48,23 @@ func GetMessage(w http.ResponseWriter, r *http.Request) {
 
 }
 
+func DeleteMessage(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodDelete {
+		http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
+		return
+	}
+	message, ok := r.Context().Value(messageKey{}).(*Message)
+	if !ok || message == nil {
+		render.Render(w, r, ErrNotFound)
+		return
+	}
+	dbDeleteMessage(message.ID)
+	if err := render.Render(w, r, NewMessageResponse(message)); err != nil {
+		render.Render(w, r, ErrRender(err))
+		return
+	}
+}
+
 func ListMessages(w http.ResponseWriter, r *http.Request) {
 	dbMessages, err := dbGetAllMessages()
 	if err != nil {