File indexing completed on 2025-01-19 05:20:54

 <?php
 /**
  *  ocs-apiserver
  *
  *  Copyright 2016 by pling GmbH.
  *
  *    This file is part of ocs-apiserver.
  *
  *    This program is free software: you can redistribute it and/or modify
  *    it under the terms of the GNU Affero General Public License as
  *    published by the Free Software Foundation, either version 3 of the
  *    License, or (at your option) any later version.
  *
  *    This program is distributed in the hope that it will be useful,
  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *    GNU Affero General Public License for more details.
  *
  *    You should have received a copy of the GNU Affero General Public License
  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  **/
 
 class Local_Validate_NotEmptyXor extends Zend_Validate_Abstract
 {
 
     /**
      * Validation failure message key for when the value of the parent field is an empty string
      */
     const KEY_NOT_FOUND = 'KeyNotFound';
 
     /**
      * Validation failure message key for when the value is an empty string
      */
     const KEY_IS_EMPTY = 'KeyIdEmpty';
 
     /**
      * Validation failure message when sibling field is present and all fields has no value
      */
     const FIELDS_EMPTY = 'FieldEmpty';
 
 
     protected $_messageTemplates = array(
         self::KEY_NOT_FOUND => "Key not found in context.",
         self::KEY_IS_EMPTY => "Key is empty.",
         self::FIELDS_EMPTY => "At least one of the fields must have a value."
     );
 
     /**
      * @var string
      */
     private $contextKey;
 
     /**
      * @param array $contextKey
      */
     function __construct($contextKey)
     {
         if (!is_array($contextKey)) {
             $contextKey = array($contextKey);
         }
 
         $this->contextKey = $contextKey;
     }
 
 
     /**
      * Returns true if and only if $value meets the validation requirements
      *
      * If $value fails validation, then this method returns false, and
      * getMessages() will return an array of messages that explain why the
      * validation failed.
      *
      * @param mixed $value
      * @param mixed $context
      * @return boolean
      */
     public function isValid($value, $context = null)
     {
         if ((null === $context) || !is_array($context) || !$this->testKeysExistInContext($this->contextKey, $context)) {
             $this->_error(self::KEY_NOT_FOUND);
             return false;
         }
 
         $oneOfSiblingFieldsFilled = false;
         foreach ($this->contextKey as $key) {
             $siblingField = $context[$key];
 
             if (false === empty($siblingField)) {
                 $oneOfSiblingFieldsFilled = ($oneOfSiblingFieldsFilled OR true);
             }
         }
 
         if (false === $oneOfSiblingFieldsFilled) {
             $this->_error(self::FIELDS_EMPTY);
             return false;
         }
 
         return true;
     }
 
     protected function testKeysExistInContext($keys, $context)
     {
         foreach ($keys as $key) {
             if (false === isset($context[$key])) {
                 return false;
             }
         }
 
         return true;
     }
 
     /**
      * @return string
      */
     public function getContextKey()
     {
         return $this->contextKey;
     }
 
     /**
      * @param string $contextKey
      */
     public function setContextKey($contextKey)
     {
         $this->contextKey = $contextKey;
     }
 }