<?php
// {{{ICINGA_LICENSE_CODE}}}
// -----------------------------------------------------------------------------
// This file is part of icinga-web.
// 
// Copyright (c) 2009-2013 Icinga Developer Team.
// All rights reserved.
// 
// icinga-web is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// icinga-web is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with icinga-web.  If not, see <http://www.gnu.org/licenses/>.
// -----------------------------------------------------------------------------
// {{{ICINGA_LICENSE_CODE}}}


class AppKitSQLConstants {

    const SQL_OP_CONTAIN        = 60;
    const SQL_OP_NOTCONTAIN     = 61;

    const SQL_OP_IS             = 50;
    const SQL_OP_NOTIS          = 51;

    const SQL_OP_LESSTHAN       = 70;
    const SQL_OP_GREATERTHAN    = 71;

    const SQL_OP_LESSOREQUAL    = 80;
    const SQL_OP_GREATEROREQUAL = 81;

    const SQL_OP_IN             = 90;
    const SQL_OP_NOT_IN         = 91;
    
    private static $SQL_OPERATORS = array(
                                        self::SQL_OP_CONTAIN        => 'LIKE',
                                        self::SQL_OP_NOTCONTAIN     => 'NOT LIKE',

                                        self::SQL_OP_IS             => '=',
                                        self::SQL_OP_NOTIS          => '!=',

                                        self::SQL_OP_LESSTHAN       => '<',
                                        self::SQL_OP_LESSOREQUAL    => '<=',

                                        self::SQL_OP_GREATERTHAN    => '>',
                                        self::SQL_OP_GREATEROREQUAL => '>=',

                                        self::SQL_OP_IN   => 'IN',
                                        self::SQL_OP_NOT_IN => 'NOT IN'
                                    );

    private static $ICINGA_OPERATORS = array(
                                           self::SQL_OP_IS              => IcingaApiConstants::MATCH_EXACT,
                                           self::SQL_OP_NOTIS           => IcingaApiConstants::MATCH_NOT_EQUAL,
                                           self::SQL_OP_CONTAIN     => IcingaApiConstants::MATCH_LIKE,
                                           self::SQL_OP_NOTCONTAIN      => IcingaApiConstants::MATCH_NOT_LIKE,
                                           self::SQL_OP_GREATERTHAN => IcingaApiConstants::MATCH_GREATER_THAN,
                                           self::SQL_OP_LESSTHAN        => IcingaApiConstants::MATCH_LESS_THAN,
                                           self::SQL_OP_GREATEROREQUAL  => IcingaApiConstants::MATCH_GREATER_OR_EQUAL,
                                           self::SQL_OP_LESSOREQUAL => IcingaApiConstants::MATCH_LESS_OR_EQUAL
                                       );

    /**
     * Return a operator by a constant
     * @param integer $op
     * @return string
     */
    public static function getOperator($op) {
        return self::getArrayContent(self::$SQL_OPERATORS, $op);
    }

    /**
     * Return icinga match constants based on regular sql constants
     * @param integer $op
     * @return string
     */
    public static function getIcingaMatch($op) {
        return self::getArrayContent(self::$ICINGA_OPERATORS, $op);
    }

    public static function getInternalDB() {
        return AgaviContext::getInstance()->getDatabaseConnection('icinga_web');
    }
    /**
     * Internal searching for array items
     * @param array $array
     * @param integer $key
     * @return mixed
     */
    private static function getArrayContent(&$array, $key) {
        if (array_key_exists($key, $array)) {
            return $array[ $key ];
        }

        return false;
    }

}
