api/v3/EntityTag.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2017                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  * This api exposes CiviCRM EntityTag records.
  30  *
  31  * Use this api to add/remove tags from a contact/activity/etc.
  32  * To create/update/delete the tags themselves, use the Tag api.
  33  *
  34  * @package CiviCRM_APIv3
  35  */
  36
  37 /**
  38  * Get entity tags.
  39  *
  40  * @param array $params
  41  *
  42  * @return array
  43  */
  44 function civicrm_api3_entity_tag_get($params) {
  45   return _civicrm_api3_basic_get(_civicrm_api3_get_BAO(__FUNCTION__), $params);
  46 }
  47
  48 /**
  49  * Adjust Metadata for Get action.
  50  *
  51  * The metadata is used for setting defaults, documentation & validation.
  52  *
  53  * @param array $params
  54  *   Array of parameters determined by getfields.
  55  */
  56 function _civicrm_api3_entity_tag_get_spec(&$params) {
  57   $params['entity_id']['api.aliases'] = array('contact_id');
  58   $params['entity_table']['api.default'] = 'civicrm_contact';
  59 }
  60
  61 /**
  62  * Create an entity tag.
  63  *
  64  * @param array $params
  65  *
  66  * @return array
  67  */
  68 function civicrm_api3_entity_tag_create($params) {
  69   return _civicrm_api3_entity_tag_common($params, 'add');
  70 }
  71
  72 /**
  73  * Mark entity tag as removed.
  74  *
  75  * @param array $params
  76  *
  77  * @return array
  78  */
  79 function civicrm_api3_entity_tag_delete($params) {
  80
  81   return _civicrm_api3_entity_tag_common($params, 'remove');
  82 }
  83
  84 /**
  85  * Modify metadata.
  86  *
  87  * @param array $params
  88  */
  89 function _civicrm_api3_entity_tag_delete_spec(&$params) {
  90   // set as not required as tag_id also acceptable & no either/or std yet
  91   $params['id']['api.required'] = 0;
  92 }
  93
  94 /**
  95  * Helper function for formatting tags (part of api v2 legacy).
  96  *
  97  * @param array $params
  98  * @param string $op
  99  *
 100  * @return array
 101  */
 102 function _civicrm_api3_entity_tag_common($params, $op = 'add') {
 103
 104   $entityIDs   = array();
 105   $entityTable = 'civicrm_contact';
 106   if (is_array($params)) {
 107     foreach ($params as $n => $v) {
 108       if ((substr($n, 0, 10) == 'contact_id') || (substr($n, 0, 9) == 'entity_id')) {
 109         $entityIDs[] = $v;
 110       }
 111       elseif (substr($n, 0, 6) == 'tag_id') {
 112         $tagIDs[] = $v;
 113       }
 114       elseif (substr($n, 0, 12) == 'entity_table') {
 115         $entityTable = $v;
 116       }
 117     }
 118   }
 119
 120   if (empty($entityIDs)) {
 121     return civicrm_api3_create_error('contact_id is a required field');
 122   }
 123
 124   if (empty($tagIDs)) {
 125     if ($op == 'remove') {
 126       $tagIDs = array_keys(CRM_Core_BAO_EntityTag::getContactTags($entityIDs[0]));
 127     }
 128     else {
 129       return civicrm_api3_create_error('tag_id is a required field');
 130     }
 131   }
 132
 133   $values = array('is_error' => 0);
 134   if ($op == 'add') {
 135     $values['total_count'] = $values['added'] = $values['not_added'] = 0;
 136     foreach ($tagIDs as $tagID) {
 137       list($te, $a, $na) = CRM_Core_BAO_EntityTag::addEntitiesToTag($entityIDs, $tagID, $entityTable,
 138         CRM_Utils_Array::value('check_permissions', $params));
 139       $values['total_count'] += $te;
 140       $values['added'] += $a;
 141       $values['not_added'] += $na;
 142     }
 143   }
 144   else {
 145     $values['total_count'] = $values['removed'] = $values['not_removed'] = 0;
 146     foreach ($tagIDs as $tagID) {
 147       list($te, $r, $nr) = CRM_Core_BAO_EntityTag::removeEntitiesFromTag($entityIDs, $tagID, $entityTable, CRM_Utils_Array::value('check_permissions', $params));
 148       $values['total_count'] += $te;
 149       $values['removed'] += $r;
 150       $values['not_removed'] += $nr;
 151     }
 152   }
 153   if (empty($values['added']) && empty($values['removed'])) {
 154     $values['is_error'] = 1;
 155     $values['error_message'] = "Unable to $op tags";
 156   }
 157   return $values;
 158 }