api/v3/Participant.php

   1 <?php
   2
   3 /*
   4  +--------------------------------------------------------------------+
   5  | CiviCRM version 4.6                                                |
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   7  | Copyright CiviCRM LLC (c) 2004-2014                                |
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   9  | This file is a part of CiviCRM.                                    |
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  11  | CiviCRM is free software; you can copy, modify, and distribute it  |
  12  | under the terms of the GNU Affero General Public License           |
  13  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
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  27  */
  28
  29 /**
  30  * File for the CiviCRM APIv3 participant functions
  31  *
  32  * @package CiviCRM_APIv3
  33  * @subpackage API_Participant
  34  *
  35  * @copyright CiviCRM LLC (c) 2004-2014
  36  * @version $Id: Participant.php 30486 2010-11-02 16:12:09Z shot $
  37  *
  38  */
  39
  40 /**
  41  * Files required for this package
  42  */
  43
  44 /**
  45  * Create an Event Participant
  46  *
  47  * This API is used for creating a participants in an event.
  48  * Required parameters : event_id AND contact_id for new creation
  49  *                     : participant as name/value with participantid for edit
  50  *
  51  * @param   array  $params     an associative array of name/value property values of civicrm_participant
  52  *
  53  * @return array apiresult
  54  * {@getfields participant_create}
  55  * @access public
  56  */
  57 function civicrm_api3_participant_create($params) {
  58   //check that event id is not an template - should be done @ BAO layer
  59   if (!empty($params['event_id'])) {
  60     $isTemplate = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $params['event_id'], 'is_template');
  61     if (!empty($isTemplate)) {
  62       return civicrm_api3_create_error(ts('Event templates are not meant to be registered.'));
  63     }
  64   }
  65
  66   $value = array();
  67   _civicrm_api3_custom_format_params($params, $values, 'Participant');
  68   $params = array_merge($values, $params);
  69
  70   $participantBAO = CRM_Event_BAO_Participant::create($params);
  71
  72   if(empty($params['price_set_id']) && empty($params['id']) && !empty($params['fee_level'])){
  73     _civicrm_api3_participant_createlineitem($params, $participantBAO);
  74   }
  75   _civicrm_api3_object_to_array($participantBAO, $participant[$participantBAO->id]);
  76
  77   return civicrm_api3_create_success($participant, $params, 'participant', 'create', $participantBAO);
  78 }
  79
  80 /**
  81  * Create a default participant line item
  82  */
  83 function _civicrm_api3_participant_createlineitem(&$params, $participant){
  84   // it is possible that a fee level contains information about multiple
  85   // price field values.
  86
  87   $priceFieldValueDetails = CRM_Utils_Array::explodePadded(
  88     $params["fee_level"]);
  89
  90   foreach($priceFieldValueDetails as $detail) {
  91     if (preg_match('/- ([0-9]+)$/', $detail, $matches)) {
  92       // it is possible that a price field value is payd for multiple times.
  93       // (FIXME: if the price field value ends in minus followed by whitespace
  94       // and a number, things will go wrong.)
  95
  96       $qty = $matches[1];
  97       preg_match('/^(.*) - [0-9]+$/', $detail, $matches);
  98       $label = $matches[1];
  99     }
 100     else {
 101       $label = $detail;
 102       $qty = 1;
 103     }
 104
 105     $sql = "
 106       SELECT      ps.id AS setID, pf.id AS priceFieldID, pfv.id AS priceFieldValueID, pfv.amount AS amount
 107       FROM  civicrm_price_set_entity cpse
 108       LEFT JOIN civicrm_price_set ps ON cpse.price_set_id = ps.id AND cpse.entity_id = %1 AND cpse.entity_table = 'civicrm_event'
 109       LEFT JOIN   civicrm_price_field pf ON pf.`price_set_id` = ps.id
 110       LEFT JOIN   civicrm_price_field_value pfv ON pfv.price_field_id = pf.id
 111       where ps.id is not null and pfv.label = %2
 112     ";
 113
 114     $qParams = array(
 115       1 => array($params['event_id'], 'Integer'),
 116       2 => array($label, 'String'),
 117     );
 118
 119     $dao = CRM_Core_DAO::executeQuery($sql, $qParams);
 120     if ($dao->fetch()) {
 121       $lineItemparams = array(
 122         'price_field_id' => $dao->priceFieldID,
 123         'price_field_value_id' => $dao->priceFieldValueID,
 124         'entity_table' => 'civicrm_participant',
 125         'entity_id' => $participant->id,
 126         'label' => $label,
 127         'qty' => $qty,
 128         'participant_count' => 0,
 129         'unit_price' => $dao->amount,
 130         'line_total' => $qty*$dao->amount,
 131         'version' => 3,
 132       );
 133       civicrm_api('line_item', 'create', $lineItemparams);
 134     }
 135
 136   }
 137 }
 138
 139
 140 /**
 141  * Adjust Metadata for Create action
 142  *
 143  * The metadata is used for setting defaults, documentation & validation
 144  * @param array $params array or parameters determined by getfields
 145  */
 146 function _civicrm_api3_participant_create_spec(&$params) {
 147   $params['status_id']['api.default'] = "1";
 148   $params['register_date']['api.default'] = "now";
 149   $params['event_id']['api.required'] = 1;
 150   $params['contact_id']['api.required'] = 1;
 151   // These are for the sake of search builder options - can be removed if that is fixed
 152   $params['role_id']['api.aliases'] = array('participant_role');
 153   $params['status_id']['api.aliases'] = array('participant_status');
 154 }
 155
 156 /**
 157  * Retrieve a specific participant, given a set of input params
 158  * If more than one matching participant exists, return an error, unless
 159  * the client has requested to return the first found contact
 160  *
 161  * @param  array   $params           (reference ) input parameters
 162  *
 163  * @return array (reference )        array of properties, if error an array with an error id and error message
 164  * {@getfields participant_get}
 165  * @access public
 166  */
 167 function civicrm_api3_participant_get($params) {
 168   $mode = CRM_Contact_BAO_Query::MODE_EVENT;
 169   $entity = 'participant';
 170
 171   list($dao, $query) = _civicrm_api3_get_query_object($params, $mode, $entity);
 172
 173   $participant = array();
 174   while ($dao->fetch()) {
 175     $participant[$dao->participant_id] = $query->store($dao);
 176     //@todo - is this required - contribution & pledge use the same query but don't self-retrieve custom data
 177     _civicrm_api3_custom_data_get($participant[$dao->participant_id], 'Participant', $dao->participant_id, NULL);
 178   }
 179
 180   return civicrm_api3_create_success($participant, $params, 'participant', 'get', $dao);
 181 }
 182
 183 /**
 184  * Adjust Metadata for Get action
 185  *
 186  * The metadata is used for setting defaults, documentation & validation
 187  * @param array $params array or parameters determined by getfields
 188  */
 189 function _civicrm_api3_participant_get_spec(&$params) {
 190   $params['participant_test']['api.default'] = 0;
 191   $params['participant_test']['title'] = 'Get Test Participants';
 192 }
 193
 194 /**
 195  * Deletes an existing contact participant
 196  *
 197  * This API is used for deleting a contact participant
 198  *
 199  * @param  array $params Array containing  Id of the contact participant to be deleted
 200  *
 201  * {@getfields participant_delete}
 202  * @throws Exception
 203  * @return array
 204  * @access public
 205  */
 206 function civicrm_api3_participant_delete($params) {
 207
 208   $result = CRM_Event_BAO_Participant::deleteParticipant($params['id']);
 209
 210   if ($result) {
 211     return civicrm_api3_create_success();
 212   }
 213   else {
 214     throw new Exception('Error while deleting participant');
 215   }
 216 }
 217