<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\DBAL\Driver\SQLSrv;


use Doctrine\DBAL\Driver\AbstractDriverException;

class SQLSrvException extends AbstractDriverException
{
    /**
     * Helper method to turn sql server errors into exception.
     *
     * @return \Doctrine\DBAL\Driver\SQLSrv\SQLSrvException
     */
    static public function fromSqlSrvErrors()
    {
        $errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
        $message = "";
        $sqlState = null;
        $errorCode = null;

        foreach ($errors as $error) {
            $message .= "SQLSTATE [".$error['SQLSTATE'].", ".$error['code']."]: ". $error['message']."\n";

            if (null === $sqlState) {
                $sqlState = $error['SQLSTATE'];
            }

            if (null === $errorCode) {
                $errorCode = $error['code'];
            }
        }
        if ( ! $message) {
            $message = "SQL Server error occurred but no error message was retrieved from driver.";
        }

        return new self(rtrim($message), $sqlState, $errorCode);
    }
}