/**
* REST-ful API method for adding and removing relationships between records.
*/
public function actionRelationship()
{
$rType = Yii::app()->request->requestType;
switch ($rType) {
case 'GET':
// Look up relationships on a model
$attr = array('firstType' => $_GET['model']);
$relationships = Relationships::model()->findAllByAttributes(array_merge(array_intersect_key($_GET, array_flip(Relationships::model()->safeAttributeNames)), $attr));
if (empty($relationships)) {
$this->_sendResponse(404, Yii::t('api', 'No relationships found.'));
} else {
$this->_sendResponse(200, array_map(function ($r) {
return $r->attributes;
}, $relationships), 1);
}
case 'POST':
// Add a new relationship to model
$relationship = new Relationships('api');
$relationship->attributes = $_POST;
$relationship->firstType = $_GET['model'];
if ($relationship->validate()) {
$existingRelationship = Relationships::model()->findByAttributes(array_intersect_key($relationship->attributes, array_flip(array('firstType', 'secondType', 'firstId', 'secondId'))));
if ($existingRelationship) {
$this->_sendResponse(200, Yii::t('api', 'Such a relationship already exists.'));
}
if ($relationship->save()) {
$this->_sendResponse(200, Yii::t('api', 'Successfully saved a relationship.'));
} else {
$this->_sendResponse(500, Yii::t('api', 'Failed to save relationship record for unknown reason.'));
}
} else {
$this->response['modelErrors'] = $relationship->errors;
$this->_sendResponse(400, $this->validationMsg('create', $relationship));
}
break;
case 'DELETE':
if (!isset($_GET['secondType'], $_GET['firstId'], $_GET['secondId'])) {
$this->_sendResponse(400, Yii::t('api', 'Cannot delete; no parameters specified for finding a relationship record to delete.'));
}
$relationships = Relationships::model()->findAllByAttributes(array_merge(array('firstType' => $_GET['model']), array_intersect_key($_GET, array_flip(Relationships::model()->attributeNames()))));
if (empty($relationships)) {
$this->_sendResponse(404, Yii::t('api', 'No relationships deleted; none were found matching specfied parameters.'));
}
$n_d = 0;
$n_d_t = count($relationships);
foreach ($relationships as $model) {
$n_d += $model->delete() ? 1 : 0;
}
if ($n_d == $n_d_t) {
$this->_sendResponse(200, Yii::t('api', '{n} relationships deleted.', array('{n}' => $n_d)));
} else {
$this->_sendResponse(500, Yii::t('api', 'One or more relationships could not be deleted.'));
}
break;
default:
$this->_sendResponse(400, Yii::t('api', 'Request type not supported for this action.'));
break;
}
}
