add role checking to controllers

common/components/RoleDefinition.php

@@ -60,6 +60,49 @@ class RoleDefinition{
 		return $result;
 	}
 
+	public static function can($role){
+		$result = false;
+		if ( !Yii::$app->user->isGuest ){
+			if ( isset(  $role)){
+				if ( is_array($role)){
+					foreach ($role as $r){
+						$result |= Yii::$app->user->can($r);
+					}
+				}else if ( is_string($role)){
+					$result = Yii::$app->user->can($role);
+				}
+			}
+		}
+		return $result;
+	}
 	
+	public static function isAdmin(){
+		return self::can('admin');
+	}
+	
+	public static function isReception(){
+		return self::can('reception');
+	}
+
+	public static function isEmployee(){
+		return self::can('employee');
+	}
+	
+	/*
+	 * [
+	 *  	'role1' => 'template1',
+	 *      'role2' => 'template2,
+	 *      ]
+	 * */
+	public static function getRoleTemplate($templates){
+		$result = "";
+		foreach ($templates as $role => $template ){
+			if ( Yii::$app->user->can($role)){
+				$result = $template;
+				break;
+			}
+		}
+		return $result;
+	}
 	
 }