Ivan - Fix master issues. Improve error handling

server/libs/Controller.php

@@ -14,12 +14,11 @@ abstract class Controller {
         return function () {
             try {
                 $this->validate();
-            } catch (ValidationException $exception) {
+                $this->handler();
+            } catch (\Exception $exception) {
                 Response::respondError($exception->getMessage());
                 return;
             }
-
-            $this->handler();
         };
     }
     

server/models/Article.php

@@ -3,7 +3,7 @@
 class Article extends DataStore {
     const TABLE  = 'article';
 
-    public function getProps() {
+    public static function getProps() {
         return [
             'title',
             'content',

server/models/Topic.php

@@ -3,7 +3,7 @@
 class Topic extends DataStore {
     const TABLE = 'topic';
 
-    public function getProps() {
+    public static function getProps() {
         return [
             'name',
             'icon',