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<?php |
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/** |
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* KumbiaPHP web & app Framework. |
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* |
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* LICENSE |
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* |
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* This source file is subject to the new BSD license that is bundled |
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* with this package in the file LICENSE.txt. |
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* It is also available through the world-wide-web at this URL: |
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* http://wiki.kumbiaphp.com/Licencia |
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* If you did not receive a copy of the license and are unable to |
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* obtain it through the world-wide-web, please send an email |
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* to [email protected] so we can send you a copy immediately. |
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* |
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* @category Kumbia |
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* |
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* @copyright 2005 - 2016 Kumbia Team (http://www.kumbiaphp.com) |
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* @license http://wiki.kumbiaphp.com/Licencia New BSD License |
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*/ |
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namespace Kumbia\ActiveRecord; |
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/** |
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* Implementación de patrón ActiveRecord sin ayudantes de consultas SQL. |
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*/ |
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abstract class LiteRecord extends BaseRecord |
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{ |
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/** |
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* Obtener objeto por clave primaria, $var = Modelo($id). |
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* |
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* @param string $id valor para clave primaria |
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* @return self|false |
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*/ |
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public function __invoke($id) |
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{ |
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return self::get($id); |
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} |
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/** |
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* Invoca el callback. |
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* |
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* @param string $callback |
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* |
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* @return null|false |
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*/ |
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protected function callback(string $callback) |
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{ |
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if (\method_exists($this, $callback)) { |
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return $this->$callback(); |
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} |
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} |
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/** |
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* Crear registro. |
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* |
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* @param array $data |
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* |
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* @throws \PDOException |
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* @return bool |
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*/ |
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public function create(array $data = []): bool |
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{ |
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$this->dump($data); |
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// Callback antes de crear |
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if ($this->callback('_beforeCreate') === \false) { |
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return \false; |
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} |
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$sql = QueryGenerator::insert($this, $data); |
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if ( ! self::prepare($sql)->execute($data)) { |
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return \false; |
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} |
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// Verifica si la PK es autogenerada |
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$pk = static::$pk; |
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if ( ! isset($this->$pk)) { |
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$this->$pk = QueryGenerator::query( |
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static::getDriver(), |
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'last_insert_id', |
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self::dbh(), |
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$pk, |
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static::getTable(), |
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static::getSchema() |
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); |
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} |
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// Callback despues de crear |
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$this->callback('_afterCreate'); |
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return \true; |
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} |
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/** |
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* Actualizar registro. |
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* |
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* @param array $data |
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* |
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* @throws \KumbiaException |
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* @return bool |
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*/ |
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public function update(array $data = []): bool |
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{ |
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$this->dump($data); |
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// Callback antes de actualizar |
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if ($this->callback('_beforeUpdate') === \false) { |
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return \false; |
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} |
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$values = []; |
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$sql = QueryGenerator::update($this, $values); |
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if ( ! self::prepare($sql)->execute($values)) { |
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return \false; |
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} |
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// Callback despues de actualizar |
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$this->callback('_afterUpdate'); |
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return \true; |
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} |
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/** |
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* Guardar registro. |
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* |
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* @param array $data |
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* |
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* @return bool |
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*/ |
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public function save(array $data = []): bool |
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{ |
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$this->dump($data); |
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if ($this->callback('_beforeSave') === \false) { |
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return \false; |
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} |
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$method = $this->saveMethod(); |
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$result = $this->$method(); |
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if ( ! $result) { |
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return \false; |
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} |
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$this->callback('_afterSave'); |
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return \true; |
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} |
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/** |
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* Retorna el nombre del metodo a llamar durante un save (create o update). |
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* |
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* @return string |
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*/ |
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protected function saveMethod(): string |
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{ |
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return $this->hasPK() ? 'update' : 'create'; |
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} |
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/** |
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* Eliminar registro por pk. |
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* |
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* @param string $pk valor para clave primaria |
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* |
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* @return bool |
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*/ |
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public static function delete($pk): bool |
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{ |
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$source = static::getSource(); |
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$pkField = static::$pk; |
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// use pdo->execute() |
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return static::query("DELETE FROM $source WHERE $pkField = ?", [$pk])->rowCount() > 0; |
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} |
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/** |
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* Buscar por clave primaria. |
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* |
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* @param string $pk valor para clave primaria |
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* @param string $fields campos que se desean obtener separados por coma |
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* |
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* @return self|false |
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*/ |
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public static function get($pk, $fields = '*') |
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{ |
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$sql = "SELECT $fields FROM ".static::getSource().' WHERE '.static::$pk.' = ?'; |
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return static::query($sql, [$pk])->fetch(); |
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} |
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/** |
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* Obtiene todos los registros de la consulta sql. |
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* |
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* @param string $sql |
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* @param array $values |
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* |
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* @return static[] |
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*/ |
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public static function all(string $sql = '', array $values = []): array |
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{ |
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if ( ! $sql) { |
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$sql = 'SELECT * FROM '.static::getSource(); |
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} |
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return static::query($sql, $values)->fetchAll(); |
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} |
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/** |
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* Obtiene el primer registro de la consulta sql. |
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* |
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* @param string $sql |
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* @param array $values |
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* |
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* @return static|false |
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*/ |
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public static function first(string $sql, array $values = [])//: static in php 8 |
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{ |
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return static::query($sql, $values)->fetch(); |
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} |
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} |
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