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<?php |
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/** |
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* This file is part of the Code-Insight library. |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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* |
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* @copyright Alexander Obuhovich <[email protected]> |
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* @link https://github.com/console-helpers/code-insight |
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*/ |
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namespace ConsoleHelpers\CodeInsight\BackwardsCompatibility; |
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use Aura\Sql\ExtendedPdoInterface; |
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use ConsoleHelpers\CodeInsight\KnowledgeBase\DataCollector\ClassDataCollector; |
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use Doctrine\Common\Cache\CacheProvider; |
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class ClassChecker extends AbstractChecker |
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{ |
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const CACHE_DURATION = 3600; |
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/** |
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* Source class data. |
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* |
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* @var array |
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*/ |
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protected $sourceClassData = array(); |
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/** |
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* Target class data. |
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* |
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* @var array |
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*/ |
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protected $targetClassData = array(); |
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/** |
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* Source property data. |
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* |
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* @var array |
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*/ |
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protected $sourcePropertyData = array(); |
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/** |
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* Target property data. |
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* |
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* @var array |
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*/ |
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protected $targetPropertyData = array(); |
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/** |
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* Source method data. |
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* |
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* @var array |
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*/ |
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protected $sourceMethodData = array(); |
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/** |
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* Target method data. |
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* |
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* @var array |
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*/ |
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protected $targetMethodData = array(); |
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/** |
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* ClassChecker constructor. |
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* |
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* @param CacheProvider $cache Cache provider. |
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*/ |
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public function __construct(CacheProvider $cache) |
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{ |
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parent::__construct($cache); |
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$this->defineIncidentGroups(array( |
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'Class Deleted', |
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'Class Made Abstract', |
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'Class Made Final', |
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'Class Constant Deleted', |
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'Property Deleted', |
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'Property Scope Reduced', |
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'Method Deleted', |
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'Method Made Abstract', |
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'Method Made Final', |
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'Method Scope Reduced', |
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'Method Signature Changed', |
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)); |
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} |
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/** |
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* Returns backwards compatibility checker name. |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return 'class'; |
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} |
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/** |
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* Collects backwards compatibility violations. |
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* |
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* @return void |
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*/ |
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protected function doCheck() |
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{ |
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$classes_sql = 'SELECT Name, Id, IsAbstract, IsFinal |
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FROM Classes'; |
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$source_classes = $this->sourceDatabase->fetchAssoc($classes_sql); |
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$target_classes = $this->targetDatabase->fetchAssoc($classes_sql); |
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foreach ( $source_classes as $class_name => $source_class_data ) { |
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if ( !isset($target_classes[$class_name]) ) { |
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$this->addIncident('Class Deleted', $class_name); |
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continue; |
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} |
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$this->sourceClassData = $source_class_data; |
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$this->targetClassData = $target_classes[$class_name]; |
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if ( !$this->sourceClassData['IsAbstract'] && $this->targetClassData['IsAbstract'] ) { |
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$this->addIncident('Class Made Abstract', $class_name); |
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} |
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if ( !$this->sourceClassData['IsFinal'] && $this->targetClassData['IsFinal'] ) { |
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$this->addIncident('Class Made Final', $class_name); |
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} |
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$this->processConstants(); |
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$this->processProperties(); |
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$this->processMethods(); |
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} |
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} |
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/** |
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* Checks constants. |
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* |
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* @return void |
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*/ |
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protected function processConstants() |
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{ |
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$class_name = $this->sourceClassData['Name']; |
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$source_constants = $this->getConstantsRecursively($this->sourceDatabase, $this->sourceClassData['Id']); |
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$target_constants = $this->getConstantsRecursively($this->targetDatabase, $this->targetClassData['Id']); |
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foreach ( $source_constants as $source_constant_name => $source_constant_data ) { |
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$full_constant_name = $class_name . '::' . $source_constant_name; |
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// Report incidents for processed (not inherited) constants only. |
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if ( $source_constant_data['ClassId'] !== $this->sourceClassData['Id'] ) { |
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continue; |
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} |
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if ( !isset($target_constants[$source_constant_name]) ) { |
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$this->addIncident('Class Constant Deleted', $full_constant_name); |
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continue; |
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} |
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} |
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} |
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/** |
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* Returns class constants. |
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* |
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* @param ExtendedPdoInterface $db Database. |
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* @param integer $class_id Class ID. |
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* |
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* @return array |
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*/ |
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protected function getConstantsRecursively(ExtendedPdoInterface $db, $class_id) |
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{ |
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$cache_key = $this->getCacheKey($db, 'class_constants[' . $class_id . ']'); |
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$cached_value = $this->cache->fetch($cache_key); |
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if ( $cached_value === false ) { |
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$sql = 'SELECT Name, ClassId |
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FROM ClassConstants |
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WHERE ClassId = :class_id'; |
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$cached_value = $db->fetchAssoc($sql, array('class_id' => $class_id)); |
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foreach ( $this->getClassRelations($db, $class_id) as $related_class_id => $related_class_name ) { |
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foreach ( $this->getConstantsRecursively($db, $related_class_id) as $name => $data ) { |
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if ( !array_key_exists($name, $cached_value) ) { |
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$cached_value[$name] = $data; |
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} |
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} |
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} |
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// TODO: Cache for longer period, when DB update will invalidate associated cache. |
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$this->cache->save($cache_key, $cached_value, self::CACHE_DURATION); |
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} |
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return $cached_value; |
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} |
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/** |
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* Checks properties. |
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* |
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* @return void |
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*/ |
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protected function processProperties() |
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{ |
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$class_name = $this->sourceClassData['Name']; |
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$source_properties = $this->getPropertiesRecursively( |
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$this->sourceDatabase, |
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$this->sourceClassData['Id'], |
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$this->coveredScopes() |
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); |
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$target_properties = $this->getPropertiesRecursively($this->targetDatabase, $this->targetClassData['Id'], ''); |
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foreach ( $source_properties as $source_property_name => $source_property_data ) { |
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$full_property_name = $class_name . '::' . $source_property_name; |
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// Report incidents for processed (not inherited) properties only. |
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if ( $source_property_data['ClassId'] !== $this->sourceClassData['Id'] ) { |
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continue; |
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} |
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if ( !isset($target_properties[$source_property_name]) ) { |
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$this->addIncident('Property Deleted', $full_property_name); |
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continue; |
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} |
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$this->sourcePropertyData = $source_property_data; |
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$this->targetPropertyData = $target_properties[$source_property_name]; |
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$this->processProperty(); |
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} |
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} |
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/** |
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* Returns class properties. |
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* |
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* @param ExtendedPdoInterface $db Database. |
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* @param integer $class_id Class ID. |
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* @param string $scopes Scopes. |
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* |
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* @return array |
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*/ |
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protected function getPropertiesRecursively(ExtendedPdoInterface $db, $class_id, $scopes) |
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{ |
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$cache_key = $this->getCacheKey($db, 'class_properties[' . $class_id . ']_scopes[' . ($scopes ?: '*') . ']'); |
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$cached_value = $this->cache->fetch($cache_key); |
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if ( $cached_value === false ) { |
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$sql = 'SELECT Name, Scope, ClassId |
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FROM ClassProperties |
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WHERE ClassId = :class_id'; |
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if ( $scopes ) { |
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$sql .= ' AND Scope IN (' . $scopes . ')'; |
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} |
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$cached_value = $db->fetchAssoc($sql, array('class_id' => $class_id)); |
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foreach ( $this->getClassRelations($db, $class_id) as $related_class_id => $related_class_name ) { |
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foreach ( $this->getPropertiesRecursively($db, $related_class_id, $scopes) as $name => $data ) { |
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if ( !array_key_exists($name, $cached_value) ) { |
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$cached_value[$name] = $data; |
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} |
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} |
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} |
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// TODO: Cache for longer period, when DB update will invalidate associated cache. |
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$this->cache->save($cache_key, $cached_value, self::CACHE_DURATION); |
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} |
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return $cached_value; |
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} |
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/** |
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* Processes property. |
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* |
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* @return void |
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*/ |
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protected function processProperty() |
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{ |
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$class_name = $this->sourceClassData['Name']; |
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$property_name = $this->sourcePropertyData['Name']; |
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$full_property_name = $class_name . '::' . $property_name; |
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if ( $this->sourcePropertyData['Scope'] > $this->targetPropertyData['Scope'] ) { |
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$this->addIncident( |
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'Property Scope Reduced', |
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$full_property_name, |
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$this->getScopeName($this->sourcePropertyData['Scope']), |
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$this->getScopeName($this->targetPropertyData['Scope']) |
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); |
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} |
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} |
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/** |
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* Checks methods. |
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* |
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* @return void |
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*/ |
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protected function processMethods() |
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{ |
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$class_name = $this->sourceClassData['Name']; |
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$source_methods = $this->getMethodsRecursively( |
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$this->sourceDatabase, |
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$this->sourceClassData['Id'], |
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$this->coveredScopes() |
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); |
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$target_methods = $this->getMethodsRecursively($this->targetDatabase, $this->targetClassData['Id'], ''); |
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foreach ( $source_methods as $source_method_name => $source_method_data ) { |
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$target_method_name = $source_method_name; |
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$full_method_name = $class_name . '::' . $source_method_name; |
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// Ignore PHP4 constructor rename into PHP5 constructor. |
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if ( !isset($target_methods[$target_method_name]) && $target_method_name === $class_name ) { |
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$target_method_name = '__construct'; |
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} |
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// Report incidents for processed (not inherited) methods only. |
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if ( $source_method_data['ClassId'] !== $this->sourceClassData['Id'] ) { |
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continue; |
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} |
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if ( !isset($target_methods[$target_method_name]) ) { |
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$this->addIncident('Method Deleted', $full_method_name); |
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continue; |
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} |
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$this->sourceMethodData = $source_method_data; |
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$this->sourceMethodData['ParameterSignature'] = $this->getMethodParameterSignature( |
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$this->sourceDatabase, |
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$this->sourceMethodData['Id'] |
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); |
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$this->targetMethodData = $target_methods[$target_method_name]; |
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$this->targetMethodData['ParameterSignature'] = $this->getMethodParameterSignature( |
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$this->targetDatabase, |
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$this->targetMethodData['Id'] |
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); |
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$this->processMethod(); |
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} |
343
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} |
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345
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/** |
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* Returns class methods. |
347
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* |
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* @param ExtendedPdoInterface $db Database. |
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* @param integer $class_id Class ID. |
350
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* @param string $scopes Scopes. |
351
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* |
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* @return array |
353
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*/ |
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protected function getMethodsRecursively(ExtendedPdoInterface $db, $class_id, $scopes) |
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{ |
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$cache_key = $this->getCacheKey($db, 'class_methods[' . $class_id . ']_scopes[' . ($scopes ?: '*') . ']'); |
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$cached_value = $this->cache->fetch($cache_key); |
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359
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if ( $cached_value === false ) { |
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$sql = 'SELECT Name, Id, Scope, IsAbstract, IsFinal, ClassId |
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FROM ClassMethods |
362
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WHERE ClassId = :class_id'; |
363
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364
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if ( $scopes ) { |
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$sql .= ' AND Scope IN (' . $scopes . ')'; |
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} |
367
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$cached_value = $db->fetchAssoc($sql, array('class_id' => $class_id)); |
369
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|
370
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foreach ( $this->getClassRelations($db, $class_id) as $related_class_id => $related_class_name ) { |
371
|
|
|
foreach ( $this->getMethodsRecursively($db, $related_class_id, $scopes) as $name => $data ) { |
372
|
|
|
if ( !array_key_exists($name, $cached_value) ) { |
373
|
|
|
$cached_value[$name] = $data; |
374
|
|
|
} |
375
|
|
|
} |
376
|
|
|
} |
377
|
|
|
|
378
|
|
|
// TODO: Cache for longer period, when DB update will invalidate associated cache. |
379
|
|
|
$this->cache->save($cache_key, $cached_value, self::CACHE_DURATION); |
380
|
|
|
} |
381
|
|
|
|
382
|
|
|
return $cached_value; |
383
|
|
|
} |
384
|
|
|
|
385
|
|
|
/** |
386
|
|
|
* Calculates method parameter signature. |
387
|
|
|
* |
388
|
|
|
* @param ExtendedPdoInterface $db Database. |
389
|
|
|
* @param integer $method_id Method ID. |
390
|
|
|
* |
391
|
|
|
* @return integer |
392
|
|
|
*/ |
393
|
|
|
protected function getMethodParameterSignature(ExtendedPdoInterface $db, $method_id) |
|
|
|
|
394
|
|
|
{ |
395
|
|
|
$sql = 'SELECT * |
396
|
|
|
FROM MethodParameters |
397
|
|
|
WHERE MethodId = :method_id |
398
|
|
|
ORDER BY Position ASC'; |
399
|
|
|
$method_parameters = $db->fetchAll($sql, array('method_id' => $method_id)); |
400
|
|
|
|
401
|
|
|
$hash_parts = array(); |
402
|
|
|
|
403
|
|
|
foreach ( $method_parameters as $method_parameter_data ) { |
404
|
|
|
$hash_parts[] = $this->paramToString($method_parameter_data); |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
return implode(', ', $hash_parts); |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
/** |
411
|
|
|
* Processes method. |
412
|
|
|
* |
413
|
|
|
* @return void |
414
|
|
|
*/ |
415
|
|
|
protected function processMethod() |
416
|
|
|
{ |
417
|
|
|
$class_name = $this->sourceClassData['Name']; |
418
|
|
|
$method_name = $this->sourceMethodData['Name']; |
419
|
|
|
|
420
|
|
|
$full_method_name = $class_name . '::' . $method_name; |
421
|
|
|
|
422
|
|
|
if ( !$this->sourceMethodData['IsAbstract'] && $this->targetMethodData['IsAbstract'] ) { |
423
|
|
|
$this->addIncident('Method Made Abstract', $full_method_name); |
424
|
|
|
} |
425
|
|
|
|
426
|
|
|
if ( !$this->sourceMethodData['IsFinal'] && $this->targetMethodData['IsFinal'] ) { |
427
|
|
|
$this->addIncident('Method Made Final', $full_method_name); |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
if ( $this->sourceMethodData['ParameterSignature'] !== $this->targetMethodData['ParameterSignature'] ) { |
431
|
|
|
$this->addIncident( |
432
|
|
|
'Method Signature Changed', |
433
|
|
|
$full_method_name, |
434
|
|
|
$this->sourceMethodData['ParameterSignature'], |
435
|
|
|
$this->targetMethodData['ParameterSignature'] |
436
|
|
|
); |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
if ( $this->sourceMethodData['Scope'] > $this->targetMethodData['Scope'] ) { |
440
|
|
|
$this->addIncident( |
441
|
|
|
'Method Scope Reduced', |
442
|
|
|
$full_method_name, |
443
|
|
|
$this->getScopeName($this->sourceMethodData['Scope']), |
444
|
|
|
$this->getScopeName($this->targetMethodData['Scope']) |
445
|
|
|
); |
446
|
|
|
} |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* Returns scope name. |
451
|
|
|
* |
452
|
|
|
* @param integer $scope Scope. |
453
|
|
|
* |
454
|
|
|
* @return string |
455
|
|
|
*/ |
456
|
|
|
protected function getScopeName($scope) |
457
|
|
|
{ |
458
|
|
|
$mapping = array( |
459
|
|
|
ClassDataCollector::SCOPE_PRIVATE => 'private', |
460
|
|
|
ClassDataCollector::SCOPE_PROTECTED => 'protected', |
461
|
|
|
ClassDataCollector::SCOPE_PUBLIC => 'public', |
462
|
|
|
); |
463
|
|
|
|
464
|
|
|
return $mapping[$scope]; |
465
|
|
|
} |
466
|
|
|
|
467
|
|
|
/** |
468
|
|
|
* Scopes covered by backwards compatibility checks. |
469
|
|
|
* |
470
|
|
|
* @return string |
471
|
|
|
*/ |
472
|
|
|
protected function coveredScopes() |
473
|
|
|
{ |
474
|
|
|
return ClassDataCollector::SCOPE_PUBLIC . ',' . ClassDataCollector::SCOPE_PROTECTED; |
475
|
|
|
} |
476
|
|
|
|
477
|
|
|
/** |
478
|
|
|
* Returns class constants. |
479
|
|
|
* |
480
|
|
|
* @param ExtendedPdoInterface $db Database. |
481
|
|
|
* @param integer $class_id Class ID. |
482
|
|
|
* |
483
|
|
|
* @return array |
484
|
|
|
*/ |
485
|
|
|
protected function getClassRelations(ExtendedPdoInterface $db, $class_id) |
|
|
|
|
486
|
|
|
{ |
487
|
|
|
$cache_key = $this->getCacheKey($db, 'class_relations[' . $class_id . ']'); |
488
|
|
|
$cached_value = $this->cache->fetch($cache_key); |
489
|
|
|
|
490
|
|
|
if ( $cached_value === false ) { |
491
|
|
|
$sql = 'SELECT RelatedClassId, RelatedClass |
492
|
|
|
FROM ClassRelations |
493
|
|
|
WHERE ClassId = :class_id AND RelatedClassId <> 0'; |
494
|
|
|
$cached_value = $db->fetchPairs($sql, array('class_id' => $class_id)); |
495
|
|
|
|
496
|
|
|
// TODO: Cache for longer period, when DB update will invalidate associated cache. |
497
|
|
|
$this->cache->save($cache_key, $cached_value, self::CACHE_DURATION); |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
return $cached_value; |
501
|
|
|
} |
502
|
|
|
|
503
|
|
|
} |
504
|
|
|
|
Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum.