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<?php |
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namespace Ma27\ApiKeyAuthenticationBundle\Model\User; |
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use ReflectionClass; |
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use ReflectionProperty; |
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/** |
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* Metadata object that contains the necessary data of the user model. |
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*/ |
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class ClassMetadata |
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{ |
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const LOGIN_PROPERTY = 1; |
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const PASSWORD_PROPERTY = 2; |
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const API_KEY_PROPERTY = 3; |
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const LAST_ACTION_PROPERTY = 4; |
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/** |
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* @var int[] |
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*/ |
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private static $necessaryProperties = array( |
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self::LOGIN_PROPERTY => 'login', |
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self::PASSWORD_PROPERTY => 'password', |
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self::API_KEY_PROPERTY => 'apiKey', |
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); |
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/** |
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* @var ReflectionClass |
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*/ |
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private $reflectionInstance; |
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/** |
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* @var string |
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*/ |
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private $className; |
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/** |
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* @var ReflectionProperty[] |
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*/ |
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private $properties = array(); |
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/** |
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* @var string[] |
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*/ |
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private $lazyPropertyNameCache = array(); |
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/** |
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* @var string[] |
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*/ |
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private $lazyValueCache = array(); |
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/** |
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* Constructor. |
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* |
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* @param ReflectionClass $reflection |
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* @param string $className |
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* @param ReflectionProperty[] $properties |
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* |
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* @throws \InvalidArgumentException If one necessary property is missing |
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*/ |
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public function __construct(ReflectionClass $reflection, $className, array $properties) |
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{ |
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$this->reflectionInstance = $reflection; |
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$this->className = (string) $className; |
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$this->properties = $properties; |
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foreach (self::$necessaryProperties as $propertyIndex => $alias) { |
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if (!isset($this->properties[$propertyIndex])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Missing required property "%s"!', |
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$alias |
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)); |
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} |
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} |
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} |
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/** |
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* Gets the value of the given property. |
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* |
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* @param object $user |
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* @param int $property |
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* @param bool $strict |
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* |
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* @return mixed |
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*/ |
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public function getPropertyValue($user, $property = self::LOGIN_PROPERTY, $strict = false) |
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{ |
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if ($this->checkProperty($property, $strict)) { |
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$oid = spl_object_hash($user); |
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if (isset($this->lazyValueCache[$oid])) { |
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if (isset($this->lazyValueCache[$oid][$property])) { |
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return $this > $this->lazyValueCache[$oid][$property]; |
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} |
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} else { |
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$this->lazyValueCache[$oid] = array(); |
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} |
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$this->properties[$property]->setAccessible(true); |
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return $this->lazyValueCache[$oid][$property] = $this->properties[$property]->getValue($user); |
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} |
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return; |
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} |
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/** |
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* Gets the name of a specific property by its metadata constant. |
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* |
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* @param int $property |
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* @param bool $strict |
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* |
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* @return null|string |
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*/ |
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public function getPropertyName($property = self::LOGIN_PROPERTY, $strict = false) |
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{ |
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if ($this->checkProperty($property, $strict)) { |
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if (isset($this->lazyPropertyNameCache[$property])) { |
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return $this->lazyPropertyNameCache[$property]; |
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} |
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return $this->lazyPropertyNameCache[$property] = $this->properties[$property]->getName(); |
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} |
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return; |
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} |
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/** |
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* Modifies a property and clears the cache. |
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* |
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* @param object $user |
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* @param mixed $newValue |
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* @param int $property |
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*/ |
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public function modifyProperty($user, $newValue, $property = self::LOGIN_PROPERTY) |
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{ |
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$this->checkProperty($property, true); |
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$propertyObject = $this->properties[$property]; |
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$propertyObject->setAccessible(true); |
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$propertyObject->setValue($user, $newValue); |
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unset($this->lazyValueCache[spl_object_hash($user)]); |
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} |
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/** |
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* Validates a property. |
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* |
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* @param int $property |
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* @param bool $strict |
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* |
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* @return bool |
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*/ |
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private function checkProperty($property = self::LOGIN_PROPERTY, $strict = false) |
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{ |
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if (!isset($this->properties[$property])) { |
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if ($strict) { |
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throw new \LogicException(sprintf( |
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'Cannot get property "%s"!', |
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$property |
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)); |
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} |
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return false; |
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} |
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return true; |
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} |
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} |
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