DELETE forms/:id - Return JSON and delete related objects #1

Returns an empty array or the form just deleted (if it exists)
Deleting a form will now delete its attributes and groups too.

Author: rjmackay

application/classes/Controller/Api/Forms.php

@@ -179,8 +179,11 @@ public function action_delete_index()
 	{
 		$form_id = $this->request->param('id', 0);
 		$form = ORM::factory('Form', $form_id);
+		$this->_response_payload = array();
 		if ( $form->loaded() )
 		{
+			// Return the form we just deleted (provides some confirmation)
+			$this->_response_payload = $this->form($form);
 			$form->delete();
 		}
 	}

application/classes/Model/Form.php

@@ -75,4 +75,27 @@ public function rules()
 	// Insert/Update Timestamps
 	protected $_created_column = array('column' => 'created', 'format' => TRUE);
 	protected $_updated_column = array('column' => 'updated', 'format' => 'Y-m-d H:i:s');
+	
+	/**
+	 * Deletes a single record while ignoring relationships.
+	 * Extend ORM::delete() to cascade delete assoc. objects
+	 * 
+	 * @chainable
+	 * @return ORM
+	 */
+	public function delete()
+	{
+		// Delete associated objects
+		if ($this->form_attributes->loaded())
+		{
+			$this->form_attributes->delete();
+		}
+
+		if ($this->form_groups->loaded())
+		{
+			$this->form_groups->delete();
+		}
+		
+		parent::delete();
+	}
 }