drupal-civicrm/sites/all/modules/civicrm/Civi/API/Subscriber/ChainSubscriber.php
2018-01-14 13:10:16 +00:00

225 lines
9.2 KiB
PHP

<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| 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 |
+--------------------------------------------------------------------+
*/
namespace Civi\API\Subscriber;
use Civi\API\Events;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* The ChainSubscriber looks for API parameters which specify a nested or
* chained API call. For example:
*
* @code
* $result = civicrm_api('Contact', 'create', array(
* 'version' => 3,
* 'first_name' => 'Amy',
* 'api.Email.create' => array(
* 'email' => 'amy@example.com',
* 'location_type_id' => 123,
* ),
* ));
* @endcode
*
* The ChainSubscriber looks for any parameters of the form "api.Email.create";
* if found, it issues the nested API call (and passes some extra context --
* eg Amy's contact_id).
*/
class ChainSubscriber implements EventSubscriberInterface {
/**
* @return array
*/
public static function getSubscribedEvents() {
return array(
Events::RESPOND => array('onApiRespond', Events::W_EARLY),
);
}
/**
* @param \Civi\API\Event\RespondEvent $event
* API response event.
*
* @throws \Exception
*/
public function onApiRespond(\Civi\API\Event\RespondEvent $event) {
$apiRequest = $event->getApiRequest();
if ($apiRequest['version'] < 4) {
$result = $event->getResponse();
if (\CRM_Utils_Array::value('is_error', $result, 0) == 0) {
$this->callNestedApi($event->getApiKernel(), $apiRequest['params'], $result, $apiRequest['action'], $apiRequest['entity'], $apiRequest['version']);
$event->setResponse($result);
}
}
}
/**
* Call any nested api calls.
*
* TODO: We don't really need this to be a separate function.
* @param \Civi\API\Kernel $apiKernel
* @param $params
* @param $result
* @param $action
* @param $entity
* @param $version
* @throws \Exception
*/
protected function callNestedApi($apiKernel, &$params, &$result, $action, $entity, $version) {
$lowercase_entity = _civicrm_api_get_entity_name_from_camel($entity);
// We don't need to worry about nested api in the getfields/getoptions
// actions, so just return immediately.
if (in_array($action, array('getfields', 'getfield', 'getoptions'))) {
return;
}
if ($action == 'getsingle') {
// I don't understand the protocol here, but we don't want
// $result to be a recursive array
// $result['values'][0] = $result;
$oldResult = $result;
$result = array('values' => array(0 => $oldResult));
}
foreach ($params as $field => $newparams) {
if ((is_array($newparams) || $newparams === 1) && $field <> 'api.has_parent' && substr($field, 0, 3) == 'api') {
// 'api.participant.delete' => 1 is a valid options - handle 1
// instead of an array
if ($newparams === 1) {
$newparams = array('version' => $version);
}
// can be api_ or api.
$separator = $field[3];
if (!($separator == '.' || $separator == '_')) {
continue;
}
$subAPI = explode($separator, $field);
$subaction = empty($subAPI[2]) ? $action : $subAPI[2];
$subParams = array(
'debug' => \CRM_Utils_Array::value('debug', $params),
);
$subEntity = _civicrm_api_get_entity_name_from_camel($subAPI[1]);
// Hard coded list of entitys that have fields starting api_ and shouldn't be automatically
// deemed to be chained API calls
$skipList = array(
'SmsProvider' => array('type', 'url', 'params'),
'Job' => array('prefix', 'entity', 'action'),
'Contact' => array('key'),
);
if (isset($skipList[$entity]) && in_array($subEntity, $skipList[$entity])) {
continue;
}
foreach ($result['values'] as $idIndex => $parentAPIValues) {
if ($subEntity != 'contact') {
//contact spits the dummy at activity_id so what else won't it like?
//set entity_id & entity table based on the parent's id & entity.
//e.g for something like note if the parent call is contact
//'entity_table' will be set to 'contact' & 'id' to the contact id
//from the parent call. in this case 'contact_id' will also be
//set to the parent's id
if (!($subEntity == 'line_item' && $lowercase_entity == 'contribution' && $action != 'create')) {
$subParams["entity_id"] = $parentAPIValues['id'];
$subParams['entity_table'] = 'civicrm_' . $lowercase_entity;
}
$addEntityId = TRUE;
if ($subEntity == 'relationship' && $lowercase_entity == 'contact') {
// if a relationship call is chained to a contact call, we need
// to check whether contact_id_a or contact_id_b for the
// relationship is given. If so, don't add an extra subParam
// "contact_id" => parent_id.
// See CRM-16084.
foreach (array_keys($newparams) as $key) {
if (substr($key, 0, 11) == 'contact_id_') {
$addEntityId = FALSE;
break;
}
}
}
if ($addEntityId) {
$subParams[$lowercase_entity . "_id"] = $parentAPIValues['id'];
}
}
if ($entity != 'Contact' && \CRM_Utils_Array::value(strtolower($subEntity . "_id"), $parentAPIValues)) {
//e.g. if event_id is in the values returned & subentity is event
//then pass in event_id as 'id' don't do this for contact as it
//does some weird things like returning primary email &
//thus limiting the ability to chain email
//TODO - this might need the camel treatment
$subParams['id'] = $parentAPIValues[$subEntity . "_id"];
}
if (\CRM_Utils_Array::value('entity_table', $result['values'][$idIndex]) == $subEntity) {
$subParams['id'] = $result['values'][$idIndex]['entity_id'];
}
// if we are dealing with the same entity pass 'id' through
// (useful for get + delete for example)
if ($lowercase_entity == $subEntity) {
$subParams['id'] = $result['values'][$idIndex]['id'];
}
$subParams['version'] = $version;
if (!empty($params['check_permissions'])) {
$subParams['check_permissions'] = $params['check_permissions'];
}
$subParams['sequential'] = 1;
$subParams['api.has_parent'] = 1;
if (array_key_exists(0, $newparams)) {
$genericParams = $subParams;
// it is a numerically indexed array - ie. multiple creates
foreach ($newparams as $entityparams) {
$subParams = array_merge($genericParams, $entityparams);
_civicrm_api_replace_variables($subParams, $result['values'][$idIndex], $separator);
$result['values'][$idIndex][$field][] = $apiKernel->run($subEntity, $subaction, $subParams);
if ($result['is_error'] === 1) {
throw new \Exception($subEntity . ' ' . $subaction . 'call failed with' . $result['error_message']);
}
}
}
else {
$subParams = array_merge($subParams, $newparams);
_civicrm_api_replace_variables($subParams, $result['values'][$idIndex], $separator);
$result['values'][$idIndex][$field] = $apiKernel->run($subEntity, $subaction, $subParams);
if (!empty($result['is_error'])) {
throw new \Exception($subEntity . ' ' . $subaction . 'call failed with' . $result['error_message']);
}
}
}
}
}
if ($action == 'getsingle') {
$result = $result['values'][0];
}
}
}