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<?php |
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/** |
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* Created by PhpStorm. |
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* User: VITALYIEGOROV |
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* Date: 08.12.15 |
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* Time: 23:11 |
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*/ |
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namespace samsoncms\api\query; |
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use samson\activerecord\dbQuery; |
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use samsoncms\api\Material; |
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use samsoncms\api\MaterialField; |
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use samsonframework\orm\Query; |
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/** |
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* Material with additional fields query. |
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* @package samsoncms\api |
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*/ |
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class Generic |
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{ |
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/** @var string Entity identifier */ |
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protected static $identifier; |
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/** @var string Entity navigation identifiers */ |
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protected static $navigationIDs = array(); |
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/** @var array Collection of localized additional fields identifiers */ |
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protected static $localizedFieldIDs = array(); |
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/** @var array Collection of NOT localized additional fields identifiers */ |
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protected static $notLocalizedFieldIDs = array(); |
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/** @var array Collection of entity field filter */ |
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protected $fieldFilter = array(); |
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/** |
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* Add condition to current query. |
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* |
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* @param string $fieldName Entity field name |
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* @param string $fieldValue Value |
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* @return self Chaining |
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*/ |
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public function where($fieldName, $fieldValue = null) |
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{ |
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// Try to find entity additional field |
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if (property_exists(static::$identifier, $fieldName)) { |
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// Store additional field filter value |
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$this->fieldFilter[$fieldName] = $fieldValue; |
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} |
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return $this; |
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} |
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/** |
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* Get collection of entity identifiers filtered by navigation identifiers. |
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* |
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* @param array $entityIDs Additional collection of entity identifiers for filtering |
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* @return array Collection of material identifiers by navigation identifiers |
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*/ |
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protected function findByNavigationIDs($entityIDs = array()) |
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{ |
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return (new MaterialNavigation($entityIDs))->idsByRelationID(static::$navigationIDs); |
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} |
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/** |
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* Get collection of entity identifiers filtered by additional field and its value. |
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* |
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* @param array $additionalFields Collection of additional field identifiers => values |
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* @param array $entityIDs Additional collection of entity identifiers for filtering |
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* @return array Collection of material identifiers by navigation identifiers |
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*/ |
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protected function findByAdditionalFields($additionalFields, $entityIDs = array()) |
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{ |
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// Iterate all additional fields needed for filter entity |
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foreach ($additionalFields as $fieldID => $fieldValue) { |
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// Get collection of entity identifiers passing already found identifiers |
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$entityIDs = (new MaterialField($entityIDs))->idsByRelationID($fieldID, $fieldValue); |
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// Stop execution if we have no entities found at this step |
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if (!sizeof($entityIDs)) { |
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break; |
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} |
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} |
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return $entityIDs; |
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} |
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protected function findAdditionalFields($entityIDs) |
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{ |
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$return = array(); |
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foreach (MaterialField::byFieldIDAndMaterialID(new dbQuery(), array_values(static::$fieldIDs), $entityIDs) as $additionalField) { |
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$return[$additionalField[Material::F_PRIMARY]] = $additionalField; |
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} |
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return $return; |
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} |
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/** |
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* Perform SamsonCMS query and get entities collection. |
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* |
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* @return mixed[] Collection of found entities |
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*/ |
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public function find() |
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{ |
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// TODO: Find and describe approach with maximum generic performance |
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$entityIDs = $this->findByNavigationIDs(); |
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$entityIDs = $this->findByAdditionalFields($this->fieldFilter, $entityIDs); |
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$return = array(); |
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if (sizeof($entityIDs)) { |
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$additionalFields = $this->findAdditionalFields($entityIDs); |
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/** @var \samsoncms\api\Entity $item Find entity instances */ |
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foreach ((new \samsoncms\api\query\Material(static::$identifier))->byIDs($entityIDs, 'exec') as $item) { |
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// Iterate all entity additional fields |
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foreach (get_class_vars(static::$identifier) as $variable) { |
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$item->$variable = &$additionalFields[$variable]; |
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} |
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// Store entity by identifier |
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$return[$item[Material::F_PRIMARY]] = $item; |
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} |
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} |
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return $return; |
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} |
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} |
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samsoncms /
api
Loading history...
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: