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<?php |
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declare(strict_types=1); |
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namespace midorikocak\querymaker; |
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use function array_keys; |
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use function array_map; |
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use function array_values; |
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use function implode; |
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use function preg_match; |
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use function reset; |
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use function strlen; |
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use function substr; |
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use function uniqid; |
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class QueryMaker implements QueryInterface |
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{ |
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private string $query; |
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private string $statement; |
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private array $params; |
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private function __construct() |
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{ |
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$this->query = ''; |
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$this->statement = ''; |
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$this->params = []; |
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} |
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public static function select($table, array $columns = ['*']) : QueryInterface |
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{ |
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$instance = new QueryMaker(); |
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$columnsText = implode(', ', $columns); |
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$instance->statement = 'SELECT ' . $columnsText . ' FROM ' . $table; |
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$instance->query = 'SELECT ' . $columnsText . ' FROM ' . $table; |
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return $instance; |
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} |
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public static function update($table, array $values) : QueryInterface |
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{ |
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$instance = new QueryMaker(); |
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$instance->statement = 'UPDATE ' . $table . ' SET '; |
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$instance->query = 'UPDATE ' . $table . ' SET '; |
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$instance->prepareParams($values, ', '); |
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return $instance; |
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} |
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public static function insert($table, array $values) : QueryInterface |
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{ |
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$fields = implode(', ', array_keys($values)); |
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$params = implode(', ', array_map(fn($key)=>':' . $key, array_keys($values))); |
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$queryValues = implode(', ', array_map(fn($value)=> "'$value'", array_values($values))); |
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$instance = new QueryMaker(); |
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$instance->statement = "INSERT INTO $table ($fields) VALUES ($params)"; |
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$instance->query = "INSERT INTO $table ($fields) VALUES ($queryValues)"; |
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return $instance; |
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} |
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public static function delete($table) : QueryInterface |
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{ |
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$instance = new QueryMaker(); |
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$instance->statement = 'DELETE FROM ' . $table; |
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$instance->query = 'DELETE FROM ' . $table; |
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return $instance; |
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} |
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public function where($key, $value) : QueryInterface |
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{ |
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$operator = $this->getOperator($value); |
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$this->statement .= ' WHERE ' . $key . $operator . ':' . $key; |
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$this->query .= ' WHERE ' . $key . $operator . '\'' . $value . '\''; |
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$this->params[$key] = $value; |
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return $this; |
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} |
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public function and($key, $value) : QueryInterface |
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{ |
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$this->query .= " AND "; |
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$this->statement .= " AND "; |
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$this->prepareParam($key, $value, 'AND'); |
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return $this; |
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} |
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public function or($key, $value) : QueryInterface |
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{ |
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$this->query .= " OR "; |
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$this->statement .= " OR "; |
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$this->prepareParam($key, $value, 'OR'); |
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return $this; |
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} |
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public function between($key, $before, $after) : QueryInterface |
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{ |
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$this->query .= $key . " BETWEEN $before AND $after"; |
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$this->statement .= $key . ' BETWEEN :before AND :after'; |
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$this->params['before'] = $before; |
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$this->params['after'] = $after; |
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return $this; |
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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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public function getStatement() : string |
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{ |
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return $this->statement; |
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} |
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public function getParams() : array |
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{ |
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return $this->params; |
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} |
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private function prepareParams(array $values, string $glue) |
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{ |
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$params = []; |
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$queryValues = []; |
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foreach ($values as $key => $value) { |
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$operator = $this->getOperator($value); |
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if (! isset($this->params[$key])) { |
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$queryValues[] = $key . $operator . '\'' . $value . '\''; |
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$params [] = $key . $operator . ':' . $key; |
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$this->params[$key] = $value; |
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} else { |
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$uniqid = uniqid('', true); |
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$queryValues[] = $key . $operator . '\'' . $value . '\''; |
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$params [] = $key . $operator . ':' . $key . $uniqid; |
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$this->params[$key . $uniqid] = $value; |
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} |
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} |
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$this->query .= implode($glue, $queryValues); |
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$this->statement .= implode($glue, $params); |
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} |
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private function getOperator(&$value) |
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{ |
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$hasOperator = preg_match('~^(([<>=])+(=)*)~', (string) $value, $matches); |
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if (! empty($hasOperator)) { |
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$operator = reset($matches); |
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$value = substr($value, strlen($operator)); |
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} else { |
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$operator = '='; |
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} |
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return $operator; |
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} |
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private function prepareParam(string $key, $value, string $glue) |
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{ |
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$this->prepareParams([$key => $value], $glue); |
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} |
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} |
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midorikocak /
querymaker
