drupal-civicrm/sites/all/modules/civicrm/api/api.php
2018-01-14 13:10:16 +00:00

231 lines
6.8 KiB
PHP

<?php
/**
* @file CiviCRM APIv3 API wrapper.
*
* @package CiviCRM_APIv3
*/
/**
* CiviCRM API wrapper function.
*
* @param string $entity
* type of entities to deal with
* @param string $action
* create, get, delete or some special action name.
* @param array $params
* array to be passed to function
* @param null $extra
*
* @return array|int
*/
function civicrm_api($entity, $action, $params, $extra = NULL) {
return \Civi::service('civi_api_kernel')->runSafe($entity, $action, $params, $extra);
}
/**
* Version 3 wrapper for civicrm_api.
*
* Throws exception.
*
* @param string $entity
* Type of entities to deal with.
* @param string $action
* Create, get, delete or some special action name.
* @param array $params
* Array to be passed to function.
*
* @throws CiviCRM_API3_Exception
* @return array
*/
function civicrm_api3($entity, $action, $params = array()) {
$params['version'] = 3;
$result = \Civi::service('civi_api_kernel')->runSafe($entity, $action, $params);
if (is_array($result) && !empty($result['is_error'])) {
throw new CiviCRM_API3_Exception($result['error_message'], CRM_Utils_Array::value('error_code', $result, 'undefined'), $result);
}
return $result;
}
/**
* Call getfields from api wrapper.
*
* This function ensures that settings that
* could alter getfields output (e.g. action for all api & profile_id for
* profile api ) are consistently passed in.
*
* We check whether the api call is 'getfields' because if getfields is
* being called we return an empty array as no alias swapping, validation or
* default filling is done on getfields & we want to avoid a loop
*
* @todo other output modifiers include contact_type
*
* @param array $apiRequest
*
* @return array
* getfields output
*/
function _civicrm_api3_api_getfields(&$apiRequest) {
if (strtolower($apiRequest['action'] == 'getfields')) {
// the main param getfields takes is 'action' - however this param is not compatible with REST
// so we accept 'api_action' as an alias of action on getfields
if (!empty($apiRequest['params']['api_action'])) {
// $apiRequest['params']['action'] = $apiRequest['params']['api_action'];
// unset($apiRequest['params']['api_action']);
}
return array('action' => array('api.aliases' => array('api_action')));
}
$getFieldsParams = array('action' => $apiRequest['action']);
$entity = $apiRequest['entity'];
if ($entity == 'Profile' && array_key_exists('profile_id', $apiRequest['params'])) {
$getFieldsParams['profile_id'] = $apiRequest['params']['profile_id'];
}
$fields = civicrm_api3($entity, 'getfields', $getFieldsParams);
return $fields['values'];
}
/**
* Check if the result is an error. Note that this function has been retained from
* api v2 for convenience but the result is more standardised in v3 and param
* 'format.is_success' => 1
* will result in a boolean success /fail being returned if that is what you need.
*
* @param $result
*
* @return bool
* true if error, false otherwise
*/
function civicrm_error($result) {
if (is_array($result)) {
return (array_key_exists('is_error', $result) &&
$result['is_error']
) ? TRUE : FALSE;
}
return FALSE;
}
/**
* Get camel case version of entity name.
*
* @param string|null $entity
*
* @return string|null
*/
function _civicrm_api_get_camel_name($entity) {
return is_string($entity) ? CRM_Utils_String::convertStringToCamel($entity) : NULL;
}
/**
* Swap out any $values vars.
*
* Ie. the value after $value is swapped for the parent $result
* 'activity_type_id' => '$value.testfield',
* 'tag_id' => '$value.api.tag.create.id',
* 'tag1_id' => '$value.api.entity.create.0.id'
*
* @param array $params
* @param array $parentResult
* @param string $separator
*/
function _civicrm_api_replace_variables(&$params, &$parentResult, $separator = '.') {
foreach ($params as $field => &$value) {
if (substr($field, 0, 4) == 'api.') {
// CRM-21246 - Leave nested calls alone.
continue;
}
if (is_string($value) && substr($value, 0, 6) == '$value') {
$value = _civicrm_api_replace_variable($value, $parentResult, $separator);
}
// Handle the operator syntax: array('OP' => $val)
elseif (is_array($value) && is_string(reset($value)) && substr(reset($value), 0, 6) == '$value') {
$key = key($value);
$value[$key] = _civicrm_api_replace_variable($value[$key], $parentResult, $separator);
// A null value with an operator will cause an error, so remove it.
if ($value[$key] === NULL) {
$value = '';
}
}
}
}
/**
* Swap out a $value.foo variable with the value from parent api results.
*
* Called by _civicrm_api_replace_variables to do the substitution.
*
* @param string $value
* @param array $parentResult
* @param string $separator
* @return mixed|null
*/
function _civicrm_api_replace_variable($value, $parentResult, $separator) {
$valueSubstitute = substr($value, 7);
if (!empty($parentResult[$valueSubstitute])) {
return $parentResult[$valueSubstitute];
}
else {
$stringParts = explode($separator, $value);
unset($stringParts[0]);
// CRM-16168 If we have failed to swap it out we should unset it rather than leave the placeholder.
$value = NULL;
$fieldname = array_shift($stringParts);
//when our string is an array we will treat it as an array from that . onwards
$count = count($stringParts);
while ($count > 0) {
$fieldname .= "." . array_shift($stringParts);
if (array_key_exists($fieldname, $parentResult) && is_array($parentResult[$fieldname])) {
$arrayLocation = $parentResult[$fieldname];
foreach ($stringParts as $key => $innerValue) {
$arrayLocation = CRM_Utils_Array::value($innerValue, $arrayLocation);
}
$value = $arrayLocation;
}
$count = count($stringParts);
}
}
return $value;
}
/**
* Convert possibly camel name to underscore separated entity name.
*
* @param string $entity
* Entity name in various formats e.g. Contribution, contribution,
* OptionValue, option_value, UFJoin, uf_join.
*
* @return string
* Entity name in underscore separated format.
*/
function _civicrm_api_get_entity_name_from_camel($entity) {
if (!$entity || $entity === strtolower($entity)) {
return $entity;
}
elseif ($entity == 'PCP') {
return 'pcp';
}
else {
$entity = ltrim(strtolower(str_replace('U_F',
'uf',
// That's CamelCase, beside an odd UFCamel that is expected as uf_camel
preg_replace('/(?=[A-Z])/', '_$0', $entity)
)), '_');
}
return $entity;
}
/**
* Having a DAO object find the entity name.
*
* @param object $bao
* DAO being passed in.
*
* @return string
*/
function _civicrm_api_get_entity_name_from_dao($bao) {
$daoName = str_replace("BAO", "DAO", get_class($bao));
return CRM_Core_DAO_AllCoreTables::getBriefName($daoName);
}