web-base/core/Objects/DatabaseEntity/DatabaseEntity.class.php
2022-08-20 22:17:17 +02:00

130 lines
3.4 KiB
PHP

<?php
namespace Objects\DatabaseEntity;
use Driver\SQL\Condition\Compare;
use Driver\SQL\Condition\Condition;
use Driver\SQL\SQL;
abstract class DatabaseEntity {
private static array $handlers = [];
protected ?int $id;
public function __construct(?int $id = null) {
$this->id = $id;
}
public abstract function jsonSerialize(): array;
public function preInsert(array &$row) { }
public function postFetch(SQL $sql, array $row) { }
public static function fromRow(SQL $sql, array $row): static {
$handler = self::getHandler($sql);
return $handler->entityFromRow($row);
}
public static function newInstance(\ReflectionClass $reflectionClass, array $row) {
return $reflectionClass->newInstanceWithoutConstructor();
}
public static function find(SQL $sql, int $id, bool $fetchEntities = false, bool $fetchRecursive = false): static|bool|null {
$handler = self::getHandler($sql);
if ($fetchEntities) {
return DatabaseEntityQuery::fetchOne(self::getHandler($sql))
->where(new Compare($handler->getTableName() . ".id", $id))
->fetchEntities($fetchRecursive)
->execute();
} else {
return $handler->fetchOne($id);
}
}
public static function exists(SQL $sql, int $id): bool {
$handler = self::getHandler($sql);
$res = $sql->select($sql->count())
->from($handler->getTableName())
->where(new Compare($handler->getTableName() . ".id", $id))
->execute();
return $res !== false && $res[0]["count"] !== 0;
}
public static function findBuilder(SQL $sql): DatabaseEntityQuery {
return DatabaseEntityQuery::fetchOne(self::getHandler($sql));
}
public static function findAll(SQL $sql, ?Condition $condition = null): ?array {
$handler = self::getHandler($sql);
return $handler->fetchMultiple($condition);
}
public static function findAllBuilder(SQL $sql): DatabaseEntityQuery {
return DatabaseEntityQuery::fetchAll(self::getHandler($sql));
}
public function save(SQL $sql, ?array $columns = null): bool {
$handler = self::getHandler($sql);
$res = $handler->insertOrUpdate($this, $columns);
if ($res === false) {
return false;
} else if ($this->id === null) {
$this->id = $res;
}
return true;
}
public function insert(SQL $sql): bool {
$handler = self::getHandler($sql);
$res = $handler->insert($this);
if ($res === false) {
return false;
} else if ($this->id === null) {
$this->id = $res;
}
return true;
}
public function delete(SQL $sql): bool {
$handler = self::getHandler($sql);
if ($this->id === null) {
$handler->getLogger()->error("Cannot delete entity without id");
return false;
}
if ($handler->delete($this->id)) {
$this->id = null;
return true;
}
return false;
}
public static function getHandler(SQL $sql, $obj_or_class = null): DatabaseEntityHandler {
if (!$obj_or_class) {
$obj_or_class = get_called_class();
}
if (!($obj_or_class instanceof \ReflectionClass)) {
$class = new \ReflectionClass($obj_or_class);
} else {
$class = $obj_or_class;
}
$handler = self::$handlers[$class->getShortName()] ?? null;
if (!$handler) {
$handler = new DatabaseEntityHandler($sql, $class);
self::$handlers[$class->getShortName()] = $handler;
}
return $handler;
}
public function getId(): ?int {
return $this->id;
}
}