Adds new method to validate model on request

Cleans up code formatting

lib/Models/Model.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 if(!defined('ABSPATH')) exit;
@@ -83,9 +84,7 @@ class Model extends \Sudzy\ValidModel {
         'UPDATE `' . $model::$_table . '`',
         'SET `deleted_at` = NOW()',
         'WHERE `id` IN (' . rtrim(str_repeat('?,', count($ids)), ',') . ')'
-        )),
-        $ids
-      );
+      )), $ids);
     });
 
     return array('count' => $count);
@@ -111,9 +110,7 @@ class Model extends \Sudzy\ValidModel {
         'UPDATE `' . $model::$_table . '`',
         'SET `deleted_at` = NULL',
         'WHERE `id` IN (' . rtrim(str_repeat('?,', count($ids)), ',') . ')'
-        )),
-        $ids
-      );
+      )), $ids);
     });
 
     return array('count' => $count);
@@ -138,7 +135,8 @@ class Model extends \Sudzy\ValidModel {
     }
 
     // get number of affected rows
-    return $orm->get_last_statement()->rowCount();
+    return $orm->get_last_statement()
+      ->rowCount();
   }
 
   function duplicate($data = array()) {
@@ -189,4 +187,13 @@ class Model extends \Sudzy\ValidModel {
       throw new \Exception($e->getMessage());
     }
   }
+
+  public function validate() {
+    $success = true;
+    foreach(array_keys($this->_validations) as $field) {
+      $success = $success && $this->validateField($field, $this->$field);
+    }
+    $this->setError($this->getValidationErrors());
+    return $success;
+  }
 }