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<?php |
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namespace ByJG\MicroOrm; |
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use ByJG\AnyDataset\Db\DbFunctionsInterface; |
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use ByJG\MicroOrm\Exception\InvalidArgumentException; |
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use ByJG\MicroOrm\Exception\OrmInvalidFieldsException; |
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class Updatable |
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{ |
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protected $fields = []; |
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protected $table = ""; |
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protected $where = []; |
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public static function getInstance() |
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{ |
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return new Updatable(); |
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} |
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/** |
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* Example: |
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* $query->fields(['name', 'price']); |
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* |
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* @param array $fields |
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* @return $this |
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*/ |
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public function fields(array $fields) |
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{ |
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$this->fields = array_merge($this->fields, (array)$fields); |
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return $this; |
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} |
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/** |
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* Example |
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* $query->table('product'); |
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* |
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* @param string $table |
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* @return $this |
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*/ |
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public function table($table) |
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{ |
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$this->table = $table; |
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return $this; |
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} |
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/** |
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* Example: |
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* $query->filter('price > [[amount]]', [ 'amount' => 1000] ); |
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* |
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* @param string $filter |
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* @param array $params |
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* @return $this |
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*/ |
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public function where($filter, array $params = []) |
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{ |
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$this->where[] = [ 'filter' => $filter, 'params' => $params ]; |
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return $this; |
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} |
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protected function getFields() |
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{ |
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if (empty($this->fields)) { |
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return ' * '; |
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} |
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return ' ' . implode(', ', $this->fields) . ' '; |
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} |
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protected function getWhere() |
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{ |
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$whereStr = []; |
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$params = []; |
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foreach ($this->where as $item) { |
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$whereStr[] = $item['filter']; |
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$params = array_merge($params, $item['params']); |
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} |
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if (empty($whereStr)) { |
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return null; |
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} |
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return [ implode(' AND ', $whereStr), $params ]; |
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} |
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/** |
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* @param $params |
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* @param DbFunctionsInterface|null $dbHelper |
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* @return null|string|string[] |
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* @throws \ByJG\MicroOrm\Exception\OrmInvalidFieldsException |
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*/ |
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public function buildInsert(&$params, DbFunctionsInterface $dbHelper = null) |
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{ |
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if (empty($this->fields)) { |
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throw new OrmInvalidFieldsException('You must specifiy the fields for insert'); |
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} |
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$fieldsStr = $this->fields; |
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if (!is_null($dbHelper)) { |
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$fieldsStr = $dbHelper->delimiterField($fieldsStr); |
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} |
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$tableStr = $this->table; |
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if (!is_null($dbHelper)) { |
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$tableStr = $dbHelper->delimiterTable($tableStr); |
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} |
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$sql = 'INSERT INTO ' |
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. $tableStr |
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. '( ' . implode(', ', $fieldsStr) . ' ) ' |
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. ' values ' |
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. '( [[' . implode(']], [[', $this->fields) . ']] ) '; |
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return ORMHelper::processLiteral($sql, $params); |
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} |
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/** |
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* @param array $params |
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* @param DbFunctionsInterface|null $dbHelper |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function buildUpdate(&$params, DbFunctionsInterface $dbHelper = null) |
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{ |
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if (empty($this->fields)) { |
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throw new InvalidArgumentException('You must specifiy the fields for insert'); |
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} |
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$fieldsStr = []; |
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foreach ($this->fields as $field) { |
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$fieldName = $field; |
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if (!is_null($dbHelper)) { |
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$fieldName = $dbHelper->delimiterField($fieldName); |
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} |
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$fieldsStr[] = "$fieldName = [[$field]] "; |
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} |
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$whereStr = $this->getWhere(); |
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if (is_null($whereStr)) { |
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throw new InvalidArgumentException('You must specifiy a where clause'); |
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} |
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$tableName = $this->table; |
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if (!is_null($dbHelper)) { |
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$tableName = $dbHelper->delimiterTable($tableName); |
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} |
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$sql = 'UPDATE ' . $tableName . ' SET ' |
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. implode(', ', $fieldsStr) |
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. ' WHERE ' . $whereStr[0]; |
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$params = array_merge($params, $whereStr[1]); |
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return ORMHelper::processLiteral($sql, $params); |
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} |
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/** |
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* @param array $params |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function buildDelete(&$params) |
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{ |
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$whereStr = $this->getWhere(); |
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if (is_null($whereStr)) { |
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throw new InvalidArgumentException('You must specifiy a where clause'); |
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} |
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$sql = 'DELETE FROM ' . $this->table |
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. ' WHERE ' . $whereStr[0]; |
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$params = array_merge($params, $whereStr[1]); |
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return ORMHelper::processLiteral($sql, $params); |
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} |
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} |
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byjg /
micro-orm
