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<?php |
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namespace DAL; |
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use \Exception; |
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use \mysqli_stmt; |
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abstract class AbstractSQLDatabase extends AbstractDatabase |
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{ |
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/** |
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* @param SqlStatementBuilder $statement |
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* @param array $options |
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* @param bool $returnResult |
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* @return array[]|null |
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*/ |
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abstract protected function sendQueryToDatabase(SqlStatementBuilder $statement, array $options, $returnResult); |
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/** |
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* @return SqlStatementBuilder |
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*/ |
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protected static function getSqlStatement() |
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{ |
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return new SqlStatementBuilder(); |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param array $fields A list of fields and values to be used when creating a new record. |
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* @param array $options The list of options that will help with creating the records. |
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* @return void |
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*/ |
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public function create($table, array $fields, array $options = []) |
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{ |
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$expr = self::getSqlStatement(); |
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$expr->create($table, $fields); |
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$this->sendQueryToDatabase($expr, $options, false); |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param array $fields A list of fields and values to be used when updating a record. |
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* @param Condition|null $criteria The criteria that will filter the data. |
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* @param array $options The list of options that will help with updating the records. |
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* @return void |
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*/ |
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public function update($table, array $fields, Condition $criteria = null, array $options = []) |
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{ |
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$expr = self::getSqlStatement(); |
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$expr->update($table, $fields, $criteria); |
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$this->sendQueryToDatabase($expr, $options, false); |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param Condition|null $criteria The criteria that will filter the data. |
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* @param array $options The list of options that will help with deleting the records. |
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* @return void |
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*/ |
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public function delete($table, Condition $criteria = null, array $options = []) |
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{ |
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$expr = self::getSqlStatement(); |
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$expr->delete($table, $criteria); |
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$this->sendQueryToDatabase($expr, $options, false); |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param Condition|null $criteria The criteria that will filter the records. |
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* @param array $options The list of options that will help with finding the records. |
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* @return array[] Multiple records from the table that match the criteria. |
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*/ |
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public function findAll($table, Condition $criteria = null, array $options = []) |
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{ |
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$expr = self::getSqlStatement(); |
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if (isset($options['fields'])) { |
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$fields = $options['fields']; |
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if (!is_array($fields)) { |
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$fields = [$fields]; |
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} |
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} else { |
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$fields = ['*']; |
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} |
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if (isset($options['limit'])) { |
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$limit = $options['limit']; |
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} else { |
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$limit = null; |
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} |
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$expr->select($fields, $table, $criteria, $limit); |
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return $this->sendQueryToDatabase($expr, $options, true); |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param Condition|null $criteria The criteria that will filter the records. |
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* @param array $options The list of options that help with counting the records. |
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* @return int The number of records that match the criteria. |
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*/ |
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public function count($table, Condition $criteria = null, array $options = []) |
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{ |
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$data = $this->selectOnlyOneValue('count(*) as x', $table, $criteria, $options); |
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return (int) $data[0]['x']; |
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} |
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/** |
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* @param string $table The table that will be accessed and written. |
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* @param Condition|null $criteria The criteria that will filter the records. |
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* @param array $options The list of options that will help with finding the records. |
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* @return boolean A boolean value indicating if any record matches the criteria. |
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*/ |
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public function has($table, Condition $criteria = null, array $options = []) |
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{ |
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$data = $this->selectOnlyOneValue('1 as x', $table, $criteria, $options); |
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return isset($data[0]); |
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} |
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/** |
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* @param string $columns |
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* @param string $table |
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* @param Condition|null $criteria |
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* @param array $options |
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* @return array |
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*/ |
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private function selectOnlyOneValue($columns, $table, Condition $criteria = null, array $options = []) |
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{ |
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$expr = self::getSqlStatement(); |
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$expr->select([$columns], $table, $criteria); |
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return $this->sendQueryToDatabase($expr, $options, true); |
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} |
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/** |
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* Logs the given exception, and returns it. |
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* |
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* @param Exception $error The exception to log and return. |
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* @return Exception The exception that was passed in as an argument. |
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*/ |
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protected function logException(Exception $error) |
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{ |
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$this->getLogger()->error($error); |
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return $error; |
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} |
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/** |
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* @param SqlStatementBuilder $statement |
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* @param array $options |
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* @return array<string|array> An array that contains the query and the bindings. |
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*/ |
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protected static function compileQueriesAndBindings(SqlStatementBuilder $statement, array $options) |
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{ |
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$queries = $statement->queries; |
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$bindings = $statement->bindings; |
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foreach ($queries as $key => $query) { |
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if (isset($options['beforeSQL'])) { |
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$queries[$key] = $options['beforeSQL'] . $query; |
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} |
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if (isset($options['afterSQL'])) { |
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$queries[$key] = $query . $options['afterSQL']; |
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} |
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} |
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if (isset($options['beforeBindings'])) { |
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$bindings = array_merge($options['beforeBindings'], $bindings); |
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} |
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if (isset($options['afterBindings'])) { |
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$bindings = array_merge($bindings, $options['afterBindings']); |
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} |
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$query = implode(';', $queries); |
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return [$query, $bindings]; |
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} |
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} |
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wafflesystems /
dal
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.