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<?php |
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namespace ElePHPant; |
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/** |
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* Class CRUD |
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* @package ElePHPant |
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*/ |
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class CRUD |
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{ |
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/** |
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* @var |
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*/ |
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private $fail; |
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/** |
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* @var |
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*/ |
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private $query; |
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/** |
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* @var |
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*/ |
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private $params; |
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/** |
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* @var |
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*/ |
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private static $table; |
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/** |
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* @param string $table |
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* @return static |
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*/ |
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public static function setTable(string $table) |
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{ |
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self::$table = $table; |
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return new static(); |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getQuery(): ?string |
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{ |
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return $this->query; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getFail() |
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{ |
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return $this->fail; |
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} |
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/** |
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* @param mixed $query |
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* @return CRUD |
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*/ |
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public function setQuery($query) |
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{ |
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$this->query = $query; |
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return $this; |
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} |
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/** |
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* @param $params |
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*/ |
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public function setParams($params) |
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{ |
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$this->parseParams($params); |
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} |
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/** |
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* @param array $data |
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* @return int|null |
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*/ |
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public function create(array $data): ?int |
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{ |
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try { |
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$columns = implode(", ", array_keys($data)); |
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$values = ":" . implode(", :", array_keys($data)); |
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$stmt = Connection::getInstance()->prepare('INSERT INTO ' . self::$table . " ({$columns}) VALUES ({$values})"); |
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$stmt->execute($this->filter($data)); |
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return Connection::getInstance()->lastInsertId(); |
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} catch (\PDOException $exception) { |
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$this->fail = $exception; |
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return null; |
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} |
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} |
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/** |
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* @param string $class |
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* @param bool $all |
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* @return array|mixed |
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*/ |
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public function read(string $class = \stdClass::class, bool $all = false) |
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{ |
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if ($all && $fetch = $this->fetch()) { |
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return $fetch->fetchAll(\PDO::FETCH_CLASS, $class); |
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} |
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$fetch = $this->fetch(); |
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return $fetch ? $fetch->fetchObject($class) : null; |
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} |
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/** |
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* @param array $data |
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* @param string $terms |
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* @param string $params |
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* @return int|null |
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*/ |
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public function update(array $data, string $terms): ?int |
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{ |
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try { |
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$dataSet = []; |
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foreach ($data as $bind => $value) { |
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$dataSet[] = "{$bind} = :{$bind}"; |
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} |
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$dataSet = implode(", ", $dataSet); |
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$stmt = Connection::getInstance()->prepare('UPDATE ' . self::$table . " SET {$dataSet} WHERE {$terms}"); |
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$stmt->execute($this->filter(array_merge($data, $this->params))); |
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return ($stmt->rowCount() ?? 1); |
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} catch (\PDOException $exception) { |
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$this->fail = $exception; |
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return null; |
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} |
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} |
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/** |
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* @param string $terms |
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* @param string|null $params |
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* @return bool |
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*/ |
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public function delete(string $terms, ?string $params = null): bool |
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{ |
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try { |
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$stmt = Connection::getInstance() |
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->prepare('DELETE FROM ' . self::$table . " WHERE {$terms}"); |
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if ($params) { |
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$this->parseParams($params); |
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$stmt->execute($this->params); |
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return true; |
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} |
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$stmt->execute(); |
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return true; |
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} catch (\PDOException $exception) { |
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$this->fail = $exception; |
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return false; |
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} |
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} |
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/** |
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* @param string $key |
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* @return int |
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*/ |
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public function count(string $key = "id"): int |
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{ |
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$stmt = Connection::getInstance()->prepare($this->query); |
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$params = $this->params; |
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if (!$params) { |
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parse_str($params, $params); |
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} |
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if ($params && !is_array($params)) { |
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parse_str($params, $params); |
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} |
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$stmt->execute($params); |
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return $stmt->rowCount(); |
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} |
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/** |
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* @return bool|\PDOStatement|null |
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*/ |
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private function fetch() |
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{ |
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try { |
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$stmt = Connection::getInstance()->prepare($this->query . $this->order . $this->limit . $this->offset); |
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$stmt->execute($this->params); |
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if (!$stmt->rowCount()) { |
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return null; |
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} |
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return $stmt; |
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} catch (\PDOException $exception) { |
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$this->fail = $exception; |
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return null; |
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} |
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} |
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/** |
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* @param $params |
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* @return $this |
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*/ |
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private function parseParams($params) |
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{ |
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parse_str($params, $this->params); |
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return $this; |
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} |
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/** |
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* @param array $data |
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* @return array|null |
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*/ |
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private function filter(array $data): ?array |
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{ |
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$filter = []; |
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foreach ($data as $key => $value) { |
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$filter[$key] = (is_null($value) ? null : filter_var($value, FILTER_DEFAULT)); |
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} |
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return $filter; |
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} |
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} |