/**
* Create a criteria for a specific model
*
* @param \Phalcon\DiInterface|null $dependencyInjector
* @return \Phalcon\Mvc\Model\Criteria
*/
public static function query($dependencyInjector = null)
{
if (is_object($dependencyInjector) === false || $dependencyInjector instanceof DiInterface === false) {
$dependencyInjector = DI::getDefault();
}
$criteria = new Criteria();
$criteria->setDi($dependencyInjector);
$criteria->setModelName(get_called_class());
return $criteria;
}
/**
* @param array $data
* @param string $operator
* @return \Phalcon\Mvc\Model\Criteria
*/
protected function newCriteria()
{
if (!$this->modelname) {
throw new Exception('No valid model has been set');
}
$criteria = new Criteria();
$criteria->setModelName($this->modelname)->setDI($this->getDI());
return $criteria;
}
/**
* Builds a \Phalcon\Mvc\Model\Criteria based on an input array like $_POST
*
* @param \Phalcon\DiInterface $dependencyInjector
* @param string $modelName
* @param array $data
* @return \Phalcon\Mvc\Model\Criteria
* @throws Exception
*/
public static function fromInput($dependencyInjector, $modelName, $data)
{
if (is_object($dependencyInjector) === false || $dependencyInjector instanceof DiInterface === false) {
throw new Exception('A dependency injector container is required to obtain the ORM services');
}
if (is_string($modelName) === false) {
throw new Exception('Invalid parameter type.');
}
if (is_array($data) === false) {
throw new Exception('Model data must be an Array');
}
if (empty($data) === false) {
$conditions = array();
$metaData = $dependencyInjector->getShared('modelsMetadata');
$model = new $modelName();
$dataTypes = $metaData->getDataTypes($model);
$bind = array();
//We look for attributes in the array passed as data
foreach ($data as $field => $value) {
if (isset($dataTypes[$field]) === true && is_null($value) === false && $value !== '') {
if ($dataTypes[$field] === 2) {
//For varchar types we use LIKE operator
$condition = $field . ' LIKE :' . $field . ':';
$bind[$field] = '%' . $value . '%';
} else {
//For the rest of data types we use a plain = operator
$condition = $field . '=:' . $field . ':';
$bind[$field] = $value;
}
$conditions[] = $condition;
}
}
}
//Create an object instance and pass the parameters to it
$criteria = new Criteria();
if (isset($conditions) === true && empty($conditions) === false) {
$criteria->where(implode(' AND ', $conditions));
$criteria->bind($bind);
}
$criteria->setModelName($modelName);
return $criteria;
}