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<?php |
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/** |
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* Copyright 2016 - 2018, Cake Development Corporation (http://cakedc.com) |
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* |
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* Licensed under The MIT License |
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* Redistributions of files must retain the above copyright notice. |
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* |
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* @copyright Copyright 2016 - 2018, Cake Development Corporation (http://cakedc.com) |
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php) |
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*/ |
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namespace CakeDC\Api\Service\Action\Extension; |
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use Cake\Event\Event; |
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use Cake\Event\EventListenerInterface; |
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use Cake\Log\Log; |
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use Cake\ORM\Entity; |
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use Cake\ORM\Table; |
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/** |
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* Class FilterExtension |
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* |
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* @package CakeDC\Api\Service\Action\Extension |
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*/ |
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class FilterExtension extends Extension implements EventListenerInterface |
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{ |
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/** |
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* Returns a list of events this object is implementing. When the class is registered |
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* in an event manager, each individual method will be associated with the respective event. |
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* |
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* @return array |
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*/ |
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public function implementedEvents() |
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{ |
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return [ |
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'Action.Crud.onFindEntities' => 'findEntities', |
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]; |
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} |
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/** |
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* find entities |
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* |
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* @param Event $event An Event instance |
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* @return Entity |
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*/ |
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public function findEntities(Event $event) |
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{ |
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$action = $event->getSubject(); |
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$query = $event->getData('query'); |
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if ($event->result) { |
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$query = $event->result; |
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} |
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/* @var Table $table */ |
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$table = $query->getRepository(); |
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$schema = $table->getSchema(); |
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$fields = $schema->columns(); |
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$fields = array_flip($fields); |
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$data = $action->getData(); |
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$postfixDelimeter = '$'; |
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$filterPostfixes = [ |
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'' => '', |
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'ge' => ' >=', |
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'le' => ' <=', |
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'gt' => ' >', |
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'lt' => ' <', |
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'llike' => ' LIKE', |
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'rlike' => ' LIKE', |
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'like' => ' LIKE', |
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'ne' => ' !=' |
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]; |
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foreach ($filterPostfixes as $postfix => $rule) { |
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$filter = collection($data) |
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->filter(function ($item, $key) use ($fields, $postfix, $postfixDelimeter) { |
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if ($postfix !== '') { |
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if (strpos($key, $postfixDelimeter . $postfix) === false) { |
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return false; |
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} |
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$key = str_replace($postfixDelimeter . $postfix, '', $key); |
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} |
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return array_key_exists($key, $fields); |
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}) |
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->toArray(); |
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if (!empty($filter)) { |
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foreach ($filter as $field => $value) { |
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if ($postfix == 'ge' || $postfix == 'ne') { |
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unset($data[$field]); |
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} |
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if (is_array($value)) { |
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if ($postfix == '') { |
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$query->where([$field . ' IN' => $value]); |
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} elseif ($postfix == 'ne') { |
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$query->where([$field . ' NOT IN' => $value]); |
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} |
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} else { |
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if ($postfix !== '') { |
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$field = str_replace($postfixDelimeter . $postfix, '', $field) . $rule; |
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if ($postfix == 'llike' || $postfix == 'like') { |
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$value = '%' . $value; |
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} |
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if ($postfix == 'rlike' || $postfix == 'like') { |
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$value = $value . '%'; |
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} |
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} |
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$query->where([$field => $value]); |
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} |
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} |
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} |
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} |
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return $query; |
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} |
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} |
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CakeDC /
cakephp-api
