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<?php |
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namespace micro\orm; |
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use micro\annotations\ManyToManyParser; |
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use micro\db\SqlUtils; |
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use micro\db\Database; |
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use micro\log\Logger; |
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/** |
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* Classe passerelle entre base de données et modèle objet |
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* @author jc |
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* @version 1.0.0.4 |
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* @package orm |
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*/ |
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class DAO { |
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public static $db; |
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private static $objects; |
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private static function getObjects(){ |
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if(is_null(self::$objects)){ |
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self::$objects=array(); |
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Logger::log("getObjects","Instanciation de Objects"); |
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} |
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return self::$objects; |
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} |
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private static function getInstanceIdInObjects($instance){ |
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$condition=self::getCondition(OrmUtils::getKeyFieldsAndValues($instance)); |
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$condition=preg_replace('/\s|\'+/', '', $condition); |
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return get_class($instance)."#".$condition; |
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} |
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private static function getCondition($keyValues){ |
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$retArray=array(); |
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if(is_array($keyValues)){ |
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foreach ($keyValues as $key=>$value){ |
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$retArray[]="`".$key."` = '".$value."'"; |
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} |
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$condition=implode(" AND ", $retArray); |
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}else |
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$condition=$keyValues; |
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return $condition; |
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} |
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private static function addInstanceInObjects($instance){ |
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self::getObjects(); |
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self::$objects[self::getInstanceIdInObjects($instance)]=$instance; |
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} |
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private static function getInstanceInObjects($className,$keyValue){ |
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$objects=self::getObjects(); |
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$condition=self::getCondition($keyValue); |
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$condition=preg_replace('/\s|\'+/', '', $condition); |
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$key=$className."#".$condition; |
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if(array_key_exists($key,$objects)){ |
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Logger::log("getInstanceInObjects", "Récupération d'une instance de ".$className."(".$condition.") dans objects"); |
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return $objects[$key]; |
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} |
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return null; |
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} |
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/** |
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* Charge les membres associés à $instance par une relation de type ManyToOne |
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* @param object $instance |
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* @param array $keyValues |
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* @param array $members |
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*/ |
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private static function getOneManyToOne($instance,$keyValues,$members){ |
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$class=get_class($instance); |
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foreach ($members as $member){ |
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$annot=Reflexion::getAnnotationMember($class, $member->getName(), "JoinColumn"); |
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if($annot!==false){ |
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reset($keyValues); |
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if($annot->name==key($keyValues)){ |
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$key=OrmUtils::getFirstKey($annot->className); |
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$kv=array($key=>$keyValues[$annot->name]); |
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$obj=self::getOne($annot->className, $kv,false); |
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if($obj!==null){ |
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Logger::log("getOneManyToOne", "Chargement de ".$member->getName()." pour l'objet ".$class); |
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$accesseur="set".ucfirst($member->getName()); |
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if(method_exists($instance,$accesseur)){ |
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$instance->$accesseur($obj); |
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return; |
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} |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Affecte/charge les enregistrements fils dans le membre $member de $instance. |
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* Si $array est null, les fils sont chargés depuis la base de données |
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* @param object $instance |
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* @param string $member Membre sur lequel doit être présent une annotation OneToMany |
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* @param array $array paramètre facultatif contenant la liste des fils possibles |
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*/ |
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public static function getOneToMany($instance,$member,$array=null){ |
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$ret=array(); |
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$class=get_class($instance); |
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$annot=Reflexion::getAnnotationMember($class, $member, "OneToMany"); |
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if($annot!==false){ |
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$fk=Reflexion::getAnnotationMember($annot->className, $annot->mappedBy, "JoinColumn"); |
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$fkv=OrmUtils::getFirstKeyValue($instance); |
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if(is_null($array)){ |
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$ret=self::getAll($annot->className,$fk->name."='".$fkv."'"); |
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} |
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else{ |
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$elementAccessor="get".ucfirst($annot->mappedBy); |
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foreach ($array as $element){ |
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$elementRef=$element->$elementAccessor(); |
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if(!is_null($elementRef)){ |
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$idElementRef=OrmUtils::getFirstKeyValue($elementRef); |
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if($idElementRef==$fkv) |
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$ret[]=$element; |
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} |
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} |
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} |
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self::setToMember($member, $instance, $ret, $class, "getOneToMany"); |
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} |
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return $ret; |
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} |
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private static function setToMember($member,$instance,$value,$class,$part){ |
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$accessor="set".ucfirst($member); |
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if(method_exists($instance,$accessor)){ |
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Logger::log($part, "Affectation de ".$member." pour l'objet ".$class); |
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$instance->$accessor($value); |
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}else{ |
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Logger::warn($part, "L'accesseur ".$accessor." est manquant pour ".$class); |
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} |
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} |
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/** |
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* @param object $instance |
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* @param ManyToManyParser $parser |
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* @return PDOStatement |
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*/ |
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private static function getSQLForJoinTable($instance,ManyToManyParser $parser){ |
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$accessor="get".ucfirst($parser->getPk()); |
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$sql="SELECT * FROM `".$parser->getJoinTable()."` WHERE `".$parser->getMyFkField()."`='".$instance->$accessor()."'"; |
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Logger::log("ManyToMany", "Exécution de ".$sql); |
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return self::$db->query($sql); |
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} |
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/** |
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* Affecte/charge les enregistrements fils dans le membre $member de $instance. |
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* Si $array est null, les fils sont chargés depuis la base de données |
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* @param object $instance |
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* @param string $member Membre sur lequel doit être présent une annotation OneToMany |
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* @param array $array paramètre facultatif contenant la liste des fils possibles |
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*/ |
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public static function getManyToMany($instance,$member,$array=null){ |
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$ret=array(); |
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$class=get_class($instance); |
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$parser=new ManyToManyParser($instance, $member); |
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if($parser->init()){ |
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$joinTableCursor=self::getSQLForJoinTable($instance,$parser); |
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if(is_null($array)){ |
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foreach($joinTableCursor as $row){ |
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$fkv=$row[$parser->getFkField()]; |
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$tmp=self::getOne($parser->getTargetEntity(),"`".$parser->getPk()."`='".$fkv."'"); |
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array_push($ret,$tmp); |
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} |
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} |
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else{ |
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$continue=true; |
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$accessorToMember="get".ucfirst($parser->getInversedBy()); |
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$myPkAccessor="get".ucfirst($parser->getMyPk()); |
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if(!method_exists($instance, $myPkAccessor)){ |
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Logger::warn("ManyToMany", "L'accesseur au membre clé primaire ".$myPkAccessor." est manquant pour ".$class); |
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} |
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if(count($array)>0) |
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$continue=method_exists($array[0], $accessorToMember); |
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if($continue){ |
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foreach($joinTableCursor as $row){ |
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$fkv=$row[$parser->getFkField()]; |
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foreach($array as $targetEntityInstance){ |
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$instances=$targetEntityInstance->$accessorToMember(); |
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if(is_array($instances)){ |
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foreach ($instances as $inst){ |
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if($inst->$myPkAccessor==$instance->$myPkAccessor) |
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array_push($array, $targetEntityInstance); |
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} |
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} |
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} |
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} |
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}else{ |
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Logger::warn("ManyToMany", "L'accesseur au membre ".$parser->getInversedBy()." est manquant pour ".$parser->getTargetEntity()); |
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} |
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} |
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self::setToMember($member, $instance, $ret, $class, "getManyToMany"); |
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} |
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return $ret; |
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} |
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/** |
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* Retourne un tableau d'objets de $className depuis la base de données |
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* @param string $className nom de la classe du model à charger |
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* @param string $condition Partie suivant le WHERE d'une instruction SQL |
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* @return array |
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*/ |
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public static function getAll($className,$condition='',$loadManyToOne=true){ |
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$objects=array(); |
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$membersManyToOne=Reflexion::getMembersWithAnnotation($className, "ManyToOne"); |
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$tableName=OrmUtils::getTableName($className); |
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if($condition!='') |
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$condition=" WHERE ".$condition; |
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$query=self::$db->query("SELECT * FROM ".$tableName.$condition); |
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Logger::log("getAll","SELECT * FROM ".$tableName.$condition); |
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foreach ($query as $row){ |
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//Pour chaque enregistrement : instanciation d'un objet |
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$o=new $className(); |
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$objects[]=$o; |
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foreach ($row as $k=>$v){ |
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//Modificateur et test de son existance |
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if(!is_numeric($k)){ |
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$accesseur="set".ucfirst($k); |
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if(method_exists($o,$accesseur)){ |
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$o->$accesseur($v); |
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} |
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if($loadManyToOne===true && OrmUtils::isMemberInManyToOne($className,$membersManyToOne, $k)) { |
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self::getOneManyToOne($o, array($k=>$v), $membersManyToOne); |
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} |
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} |
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} |
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self::addInstanceInObjects($o); |
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} |
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return $objects; |
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} |
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/** |
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* Retourne le nombre d'objets de $className depuis la base de données respectant la condition éventuellement passée en paramètre |
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* @param string $className nom de la classe du model à charger |
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* @param string $condition Partie suivant le WHERE d'une instruction SQL |
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*/ |
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public static function count($className,$condition=''){ |
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$tableName=OrmUtils::getTableName($className); |
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if($condition!='') |
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$condition=" WHERE ".$condition; |
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return self::$db->query("SELECT COUNT(*) FROM ".$tableName.$condition)->fetchColumn(); |
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} |
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/** |
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* Retourne une instance de $className depuis la base de données, à partir des valeurs $keyValues de la clé primaire |
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* @param String $className nom de la classe du model à charger |
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* @param Array|string $keyValues valeurs des clés primaires ou condition |
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*/ |
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public static function getOne($className,$keyValues,$loadManyToOne=true){ |
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if(!is_array($keyValues)){ |
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if(strrpos($keyValues,"=")===false){ |
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$keyValues="`".OrmUtils::getFirstKey($className)."`='".$keyValues."'"; |
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}elseif ($keyValues=="") |
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$keyValues=""; |
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} |
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$condition=self::getCondition($keyValues); |
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$retour=self::getInstanceInObjects($className,$condition); |
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if(!isset($retour)){ |
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$retour=self::getAll($className,$condition,$loadManyToOne); |
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if(sizeof($retour)<1) |
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return null; |
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else |
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return $retour[0]; |
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} |
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return $retour; |
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} |
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/** |
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* Supprime $instance dans la base de données |
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* @param Classe $instance instance à supprimer |
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*/ |
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public static function remove($instance){ |
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$tableName=OrmUtils::getTableName(get_class($instance)); |
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$keyAndValues=OrmUtils::getKeyFieldsAndValues($instance); |
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$sql="DELETE FROM ".$tableName." WHERE ".SqlUtils::getWhere($keyAndValues); |
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Logger::log("delete", $sql); |
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$statement=self::$db->prepareStatement($sql); |
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foreach ($keyAndValues as $key=>$value){ |
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self::$db->bindValueFromStatement($statement,$key,$value); |
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} |
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return $statement->execute(); |
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} |
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/** |
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* Insère $instance dans la base de données |
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* @param object $instance instance à insérer |
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* @param $insertMany si vrai, sauvegarde des instances reliées à $instance par un ManyToMany |
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*/ |
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public static function insert($instance,$insertMany=false){ |
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$tableName=OrmUtils::getTableName(get_class($instance)); |
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$keyAndValues=Reflexion::getPropertiesAndValues($instance); |
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$keyAndValues=array_merge($keyAndValues, OrmUtils::getManyToOneMembersAndValues($instance)); |
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$sql="INSERT INTO ".$tableName."(".SqlUtils::getInsertFields($keyAndValues).") VALUES(".SqlUtils::getInsertFieldsValues($keyAndValues).")"; |
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Logger::log("insert", $sql); |
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Logger::log("Key and values", json_encode($keyAndValues)); |
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$statement=self::$db->prepareStatement($sql); |
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foreach ($keyAndValues as $key=>$value){ |
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self::$db->bindValueFromStatement($statement,$key,$value); |
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} |
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$result=$statement->execute(); |
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if($result){ |
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$accesseurId="set".ucfirst(OrmUtils::getFirstKey(get_class($instance))); |
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$instance->$accesseurId(self::$db->lastInserId()); |
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if($insertMany){ |
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self::insertOrUpdateAllManyToMany($instance); |
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} |
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} |
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return $result; |
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} |
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/** |
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* Met à jour les membres de $instance annotés par un ManyToMany |
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* @param object $instance |
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*/ |
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public static function insertOrUpdateAllManyToMany($instance){ |
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$members=Reflexion::getMembersWithAnnotation(get_class($instance), "ManyToMany"); |
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foreach ($members as $member){ |
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self::insertOrUpdateManyToMany($instance, $member->name); |
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} |
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} |
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/** |
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* Met à jour le membre $member de $instance annoté par un ManyToMany |
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* @param Object $instance |
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* @param String $member |
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*/ |
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public static function insertOrUpdateManyToMany($instance,$member){ |
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$parser=new ManyToManyParser($instance, $member); |
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if($parser->init()){ |
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$myField=$parser->getMyFkField(); |
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$field=$parser->getFkField(); |
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$sql="INSERT INTO `".$parser->getJoinTable()."`(`".$myField."`,`".$field."`) VALUES (:".$myField.",:".$field.");"; |
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$memberAccessor="get".ucfirst($member); |
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$memberValues=$instance->$memberAccessor(); |
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|
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$myKey=$parser->getMyPk(); |
334
|
|
|
$myAccessorId="get".ucfirst($myKey); |
335
|
|
|
$accessorId="get".ucfirst($parser->getPk()); |
336
|
|
|
$id=$instance->$myAccessorId(); |
337
|
|
|
if(!is_null($memberValues)){ |
338
|
|
|
self::$db->execute("DELETE FROM `".$parser->getJoinTable()."` WHERE `".$myField."`='".$id."'"); |
339
|
|
|
$statement=self::$db->prepareStatement($sql); |
340
|
|
|
foreach ($memberValues as $k=>$targetInstance){ |
341
|
|
|
$foreignId=$targetInstance->$accessorId(); |
342
|
|
|
$foreignInstances=self::getAll($parser->getTargetEntity(), "`".$parser->getPk()."`"."='".$foreignId."'"); |
343
|
|
|
if(!OrmUtils::exists($targetInstance, $parser->getPk(), $foreignInstances)){ |
344
|
|
|
self::insert($targetInstance,false); |
345
|
|
|
$foreignId=$targetInstance->$accessorId(); |
346
|
|
|
Logger::log("InsertMany", "Insertion d'une instance de ".get_class($instance)); |
347
|
|
|
} |
348
|
|
|
self::$db->bindValueFromStatement($statement,$myField,$id); |
349
|
|
|
self::$db->bindValueFromStatement($statement,$field,$foreignId); |
350
|
|
|
$statement->execute(); |
351
|
|
|
Logger::log("InsertMany", "Insertion des valeurs dans la table association '".$parser->getJoinTable()."'"); |
352
|
|
|
} |
353
|
|
|
} |
354
|
|
|
} |
355
|
|
|
} |
356
|
|
|
/** |
357
|
|
|
* Met à jour $instance dans la base de données. |
358
|
|
|
* Attention de ne pas modifier la clé primaire |
359
|
|
|
* @param Classe $instance instance à modifier |
360
|
|
|
* @param $updateMany Ajoute ou met à jour les membres ManyToMany |
361
|
|
|
*/ |
362
|
|
|
public static function update($instance,$updateMany=false){ |
363
|
|
|
$tableName=OrmUtils::getTableName(get_class($instance)); |
364
|
|
|
$ColumnskeyAndValues=Reflexion::getPropertiesAndValues($instance); |
365
|
|
|
$ColumnskeyAndValues=array_merge($ColumnskeyAndValues, OrmUtils::getManyToOneMembersAndValues($instance)); |
366
|
|
|
$keyFieldsAndValues=OrmUtils::getKeyFieldsAndValues($instance); |
367
|
|
|
$sql="UPDATE ".$tableName." SET ".SqlUtils::getUpdateFieldsKeyAndValues($ColumnskeyAndValues)." WHERE ".SqlUtils::getWhere($keyFieldsAndValues); |
368
|
|
|
Logger::log("update", $sql); |
369
|
|
|
Logger::log("Key and values", json_encode($ColumnskeyAndValues)); |
370
|
|
|
$statement=self::$db->prepareStatement($sql); |
371
|
|
|
foreach ($ColumnskeyAndValues as $key=>$value){ |
372
|
|
|
self::$db->bindValueFromStatement($statement,$key,$value); |
373
|
|
|
} |
374
|
|
|
$result= $statement->execute(); |
375
|
|
|
if($result && $updateMany) |
376
|
|
|
self::insertOrUpdateAllManyToMany($instance); |
377
|
|
|
return $result; |
378
|
|
|
} |
379
|
|
|
|
380
|
|
|
/** |
381
|
|
|
* Réalise la connexion à la base de données en utilisant les paramètres passés |
382
|
|
|
* @param string $dbName |
383
|
|
|
* @param string $serverName |
384
|
|
|
* @param string $port |
385
|
|
|
* @param string $user |
386
|
|
|
* @param string $password |
387
|
|
|
*/ |
388
|
|
|
public static function connect($dbName,$serverName="127.0.0.1",$port="3306",$user="root",$password=""){ |
389
|
|
|
self::$db=new Database($dbName,$serverName,$port,$user,$password); |
390
|
|
|
self::$db->connect(); |
391
|
|
|
} |
392
|
|
|
} |
393
|
|
|
|
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.