<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 5                                                  |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM 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 and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
 */

/**
 * Heavily based on anonymous code contribution. No claim.
 *
 * civicrm_handler_field_relationship_type.inc
 * Displays Relationship Type after grabbing the label from the database
 *
 */
class civicrm_handler_field_relationship_type extends views_handler_field {
  public static $_relationshipType;

  public function construct() {
    parent::construct();
    if (!self::$_relationshipType) {
      if (!civicrm_initialize()) {
        return;
      }
      require_once 'CRM/Core/PseudoConstant.php';
      $relationshipType_array = CRM_Core_PseudoConstant::relationshipType('label');

      // relationshipType() returns information about relations as array with fields
      // 'name_a_b', 'name_b_a', 'contact_type_a' and 'contact_type_b'.
      // We keep just 'label_a_b' for simplicity.

      $options = array();
      foreach ($relationshipType_array as $id => $value_array) {
        $options[$id] = $value_array['label_a_b'];
      }

      self::$_relationshipType = $options;
    }
  }

  public function render($values) {
    $lid = $values->{$this->field_alias};
    if (empty($lid) || (int) $lid <= 0) {
      return NULL;
    }

    return self::$_relationshipType[$values->{$this->field_alias}];
  }

}
