<?php

/**
 * phpVMS - Virtual Airline Administration Software
 * Copyright (c) 2008 Nabeel Shahzad
 * For more information, visit www.phpvms.net
 *  Forums: http://www.phpvms.net/forum
 *  Documentation: http://www.phpvms.net/docs
 *
 * phpVMS is licenced under the following license:
 *   Creative Commons Attribution Non-commercial Share Alike (by-nc-sa)
 *   View license.txt in the root, or visit http://creativecommons.org/licenses/by-nc-sa/3.0/
 *
 * @author Nabeel Shahzad
 * @copyright Copyright (c) 2008, Nabeel Shahzad
 * @link http://www.phpvms.net
 * @license http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

class SchedulesData extends CodonData {

    /**
     * A generic find function for schedules. As parameters, do:
     *
     * $params = array( 's.depicao' => 'value',
     *                  's.arricao' => array ('multiple', 'values'),
     *  );
     *
     * Syntax is ('s.columnname' => 'value'), where value can be
     *  an array is multiple values, or with a SQL wildcard (%)
     *  if that's what is desired.
     *
     * Columns from the schedules table should be prefixed by 's.',
     * the aircraft table as 'a.'
     *
     * You can also pass offsets ($start and $count) in order to
     * facilitate pagination
     *
     * @tutorial http://docs.phpvms.net/media/development/searching_and_retriving_schedules
     */
    public static function findSchedules($params, $count = '', $start = '') {
        $sql = 'SELECT s.*,
                    a.id as aircraftid, a.name as aircraft, a.registration,
                    a.minrank as aircraft_minrank, a.ranklevel as aircraftlevel,
                    dep.name as depname, dep.lat AS deplat, dep.lng AS deplng,
                    arr.name as arrname, arr.lat AS arrlat, arr.lng AS arrlng
                FROM ' . TABLE_PREFIX . 'schedules AS s
                LEFT JOIN ' . TABLE_PREFIX . 'airports AS dep ON dep.icao = s.depicao
                LEFT JOIN ' . TABLE_PREFIX . 'airports AS arr ON arr.icao = s.arricao
                LEFT JOIN ' . TABLE_PREFIX . 'aircraft AS a ON a.id = s.aircraft ';

        /* Build the select "WHERE" based on the columns passed, this is a generic function */
        $sql .= DB::build_where($params);

    $count = '500';

        // Order matters
        if (Config::Get('SCHEDULES_ORDER_BY') != '') {
            $sql .= ' ORDER BY ' . Config::Get('SCHEDULES_ORDER_BY');
        }

        if (strlen($count) != 0) {
            $sql .= ' LIMIT ' . $count;
        }

        if (strlen($start) != 0) {
            $sql .= ' OFFSET ' . $start;
        }

        $ret = DB::get_results($sql);

        if(!$ret) {
            return array();
        }

        return $ret;
    }


    /**
     * Get the total number of schedules based on criterea
     *
     * @param array $params key => value list
     * @return int Returns the total number
     *
     */
    public static function countSchedules($params) {
        $sql = 'SELECT COUNT(s.id) as total
                FROM ' . TABLE_PREFIX . 'schedules AS s
                LEFT JOIN ' . TABLE_PREFIX . 'airports AS dep ON dep.icao = s.depicao
                LEFT JOIN ' . TABLE_PREFIX . 'airports AS arr ON arr.icao = s.arricao
                LEFT JOIN ' . TABLE_PREFIX . 'aircraft AS a ON a.id = s.aircraft ';

        $sql .= DB::build_where($params);
        $res = DB::get_row($sql);

        return $res->total;
    }

    /**
     * Return information about a schedule (pass the ID)
     */
    public static function getSchedule($id) {
        return self::getScheduleDetailed($id);
    }


    /**
     * Return a flight given the airline code and flight number
     *
     * @deprecated
     *
     * @param string $code Airline code
     * @param mixed $flightnum Flight number
     * @return array Returns a full flight
     *
     */
    public static function getScheduleByFlight($code, $flightnum) {
        $params = array('s.code' => strtoupper($code), 's.flightnum' => strtoupper($flightnum), );

        $schedule = self::findSchedules($params);
        return $schedule[0];
    }


    /**
     * Find a flight on the flightnumber and departure airport
     *
     * @param string $flightnum Flight numbers
     * @param string $depicao Departure airport
     * @return array Returns one flight
     *
     */
    public static function findFlight($flightnum, $depicao = '') {
        $params = array('s.flightnum' => strtoupper($flightnum));

        if ($depicao != '') {
            $params['s.depicao'] = $depicao;
        }

        $schedule = self::findSchedules($params);
        return $schedule[0];
    }

    /**
     * Extract the code and flight number portions from the flight number
     * Ensures that the code and number are properly split
     */
    public static function getProperFlightNum($flightnum) {
        if ($flightnum == '') return false;

        $ret = array();
        $flightnum = strtoupper($flightnum);
        $airlines = OperationsData::getAllAirlines(false);

        foreach ($airlines as $a) {
            $a->code = strtoupper($a->code);

            if (strpos($flightnum, $a->code) === false) {
                continue;
            }

            $ret['code'] = $a->code;
            $ret['flightnum'] = str_ireplace($a->code, '', $flightnum);

            return $ret;
        }

        # Invalid flight number
        $ret['code'] = '';
        $ret['flightnum'] = $flightnum;
        return $ret;
    }


    /**
     * Increment the flown count for a schedule
     *
     * @param string $code Airline code
     * @param int $flightnum Flight number
     * @return bool
     *
     */
    public static function incrementFlownCount($code, $flightnum) {
        return self::changeFlownCount($code, $flightnum, '+1');
    }


    /**
     * SchedulesData::changeFlownCount()
     *
     * @param mixed $code
     * @param mixed $flightnum
     * @param mixed $amount
     * @return void
     */
    public static function changeFlownCount($code, $flightnum, $amount) {

        $schedid = intval($schedid);

        $code = strtoupper($code);
        $flightnum = strtoupper($flightnum);

        if(substr_count($amount, '+') == 0) {
            $amount = '+'.$amount;
        }

        $sql = 'UPDATE ' . TABLE_PREFIX . "schedules
                SET timesflown=timesflown {$amount}
                WHERE code='{$code}' AND flightnum='{$flightnum}'";

        $res = DB::query($sql);

        if (DB::errno() != 0) return false;

        return true;

    }


    /**
     * Get detailed information about a schedule
     *
     * @param int $id ID of the schedule
     * @return array Schedule details
     *
     */
    public static function getScheduleDetailed($id) {
        $schedules = self::findSchedules(array('s.id' => $id));
        if (!$schedules) return false;

        $schedule = $schedules[0];
        unset($schedules);

        /*$schedule->route_details = unserialize($schedule->route_details);
        if(!empty($schedule->route) && !$schedule->route_details)
        {
        $schedule->route_details = SchedulesData::getRouteDetails($schedule->id, $schedule->route);
        }*/

        if ($schedule->route != '') {
            $schedule->route_details = NavData::parseRoute($schedule);
        }

        return $schedule;
    }

    /**
     * Return all the airports by depature, which have a schedule, for
     *  a certain airline. If the airline
     * @return object_array
     */
    public static function getDepartureAirports($airlinecode = '', $onlyenabled = false) {
        $airlinecode = DB::escape($airlinecode);

        if ($onlyenabled) $enabled = 'AND s.enabled=1';
        else  $enabled = '';

        $sql = 'SELECT DISTINCT s.depicao AS icao, a.name
                FROM ' . TABLE_PREFIX . 'schedules s, ' . TABLE_PREFIX . 'airports a
                WHERE s.depicao = a.icao ' . $enabled;

        if ($airlinecode != '') $sql .= " AND s.code='{$airlinecode}' ";

        $sql .= ' ORDER BY depicao ASC';

        return DB::get_results($sql);
    }

    /**
     * Get all of the airports which have a schedule, from
     *  a certain airport, using the airline code. Code
     *  is optional, otherwise it returns all of the airports.
     *
     * @return database object
     */
    public static function getArrivalAiports($depicao, $airlinecode = '', $onlyenabled = true) {
        $depicao = strtoupper($depicao);
        $airlinecode = strtoupper($airlinecode);
        $depicao = DB::escape($depicao);

        if ($onlyenabled) $enabled = 'AND s.enabled=1';
        else  $enabled = '';

        $sql = 'SELECT DISTINCT s.arricao AS icao, a.name
                FROM ' . TABLE_PREFIX . 'schedules s, ' . TABLE_PREFIX . 'airports a
                WHERE s.arricao = a.icao ' . $enabled;

        if ($airlinecode != '') $sql .= " AND s.code='{$airlinecode}' ";

        $sql .= ' ORDER BY depicao ASC';

        return DB::get_results($sql);
    }

    /**
     * Get all the schedules, $limit is the number to return
     */
    public static function getSchedules($onlyenabled = true, $limit = '', $start =
        '') {
        $params = array();
        if ($onlyenabled) $params['s.enabled'] = '1';

        return self::findSchedules($params, $limit, $start);
    }

    /**
     * This gets all of the schedules which are disabled
     */
    /*public static function getInactiveSchedules($count='', $start='')
    {
    $params = array('s.enabled'=>0);
    return self::findSchedules($params, $count, $start);
    }*/


    /**
     * Calculate the distance between two coordinates
     * Using a revised equation found on http://www.movable-type.co.uk/scripts/latlong.html
     *
     * Also converts to proper type based on UNIT setting
     *
     */
    public static function distanceBetweenPoints($lat1, $lng1, $lat2, $lng2) {
        /*  Use a radius depending on the final units we want to be in
        New formula, from http://jan.ucc.nau.edu/~cvm/latlon_formula.html
        */
        if (strtolower(Config::Get('UNITS')) === 'mi') # miles

            $radius = 3963.192;
        elseif (strtolower(Config::Get('UNITS')) === 'km') # Convert to km

            $radius = 6378.14;
        else  $radius = 3443.92;

        /*
        $distance = ($radius * 3.1415926 * sqrt(($lat2-$lat1) * ($lat2-$lat1)
        +cos($lat2/57.29578) * cos($lat1/57.29578) * ($lng2-$lng1) * ($lng2-$lng1))/180);

        return $distance;
        */
        $lat1 = deg2rad(floatval($lat1));
        $lat2 = deg2rad(floatval($lat2));
        $lng1 = deg2rad(floatval($lng1));
        $lng2 = deg2rad(floatval($lng2));

        $a = sin(($lat2 - $lat1) / 2.0);
        $b = sin(($lng2 - $lng1) / 2.0);
        $h = ($a * $a) + cos($lat1) * cos($lat2) * ($b * $b);
        $theta = 2 * asin(sqrt($h)); # distance in radians

        $distance = $theta * $radius;

        return $distance;

        /* Convert all decimal degrees to radians */

        $dlat = $lat2 - $lat1;
        $dlng = $lng2 - $lng1;

        $a = sin($dlat / 2) * sin($dlat / 2) + cos($lat1) * cos($lat2) * sin($dlng / 2) *
            sin($dlng / 2);
        $c = 2 * atan2(sqrt($a), sqrt(1 - $a));
        $distance = $r * $c;

        return $distance;
        /*$distance = acos(cos($lat1)*cos($lng1)*cos($lat2)*cos($lng2)
        + cos($lat1)*sin($lng1)*cos($lat2)*sin($lng2)
        + sin($lat1)*sin($lat2)) * $r;

        return floatval(round($distance, 2));*/
    }

    /**
     * Add a schedule
     *
     * Pass in the following:
     * $data = array(   'code'=>'',
     * 'flightnum'=''
     * 'depicao'=>'',
     * 'arricao'=>'',
     * 'route'=>'',
     * 'aircraft'=>'',
     * 'distance'=>'',
     * 'deptime'=>'',
     * 'arrtime'=>'',
     * 'flighttime'=>'',
     * 'notes'=>'',
     * 'enabled'=>'',
     * 'price'=>''
     * 'flighttype'=>'');
     */
    public static function addSchedule($data) {

        if (!is_array($data)) return false;

        # Commented out to allow flights to/from the same airport
        #if($data['depicao'] == $data['arricao'])
        #   return false;

        $data['code'] = strtoupper($data['code']);
        $data['flightnum'] = strtoupper($data['flightnum']);
        $data['deptime'] = strtoupper($data['deptime']);
        $data['arrtime'] = strtoupper($data['arrtime']);
        $data['depicao'] = strtoupper($data['depicao']);
        $data['arricao'] = strtoupper($data['arricao']);

        if ($data['enabled'] == true) $data['enabled'] = 1;
        else  $data['enabled'] = 0;

        # If they didn't specify
        $data['flighttype'] = strtoupper($data['flighttype']);
        if ($data['flighttype'] == '') $data['flighttype'] = 'P';

        $data['flightlevel'] = str_replace(',', '', $data['flightlevel']);

        if(isset($data['week1'])) {

        }

        if (isset($fields['route'])) {
            $fields['route'] = str_replace('SID', '', $fields['route']);
            $fields['route'] = str_replace('STAR', '', $fields['route']);
            $fields['route'] = str_replace('DCT', '', $fields['route']);
            $fields['route'] = trim($fields['route']);
            $fields['route_details'] = '';
        }

        foreach ($data as $key => $value) {
            $data[$key] = DB::escape($value);
        }

        $data['flighttime'] = str_replace(':', '.', $data['flighttime']);


        # Do the insert based on the columns here
        $cols = array();
        $col_values = array();

        foreach ($data as $key => $value) {

            if($key == 'daysofweek' || $key == 'week1' || $key == 'week2' || $key == 'week3' || $key == 'week4') {
                $value = str_replace('7', '0', $value);
            } else {
                $value = DB::escape($value);
            }


            $cols[] = "`{$key}`";
            $col_values[] = "'{$value}'";
        }

        $cols = implode(', ', $cols);
        $col_values = implode(', ', $col_values);
        $sql = 'INSERT INTO ' . TABLE_PREFIX . "schedules ({$cols}) VALUES ({$col_values});";

        $res = DB::query($sql);

        if (!empty($data['route'])) {
            self::getRouteDetails(DB::$insert_id, $data['route']);
        }

        if (DB::errno() != 0) return false;

        return true;
    }

    /**
     * Edit a schedule
     *  Pass in the columns - deprecated
     */

    public static function editSchedule($data) {
        if (!is_array($data)) return false;

        $id = $data['id'];
        unset($data['id']);

        self::editScheduleFields($id, $data);
    }


    /**
     * Parse a schedule's route, and store it in the route_details
     * column for later on. It will store a serialized array of the
     * route's details.
     *
     * @param int $schedule_id ID of the schedule to parse
     * @param string $route Optional route to parse, otherwise it will look it up
     * @return array Returns the route's details
     *
     */
    public static function getRouteDetails($schedule_id, $route = '') {

        $schedule = self::findSchedules(array('s.id' => $schedule_id), 1);
        $schedule = $schedule[0];

        if (empty($schedule->route)) {
            return;
        }

        $route_details = NavData::parseRoute($schedule);
        $store_details = DB::escape(serialize($route_details));

        $val = self::editScheduleFields($schedule_id, array('route_details' => $store_details));

        return $route_details;
    }

    /**
     * Update any fields in a schedule, other update functions come down to this
     *
     * @param int $scheduleid ID of the schedule to update
     * @param array $fields Array, column name as key, with values to update
     * @return bool
     *
     */
    public static function updateScheduleFields($scheduleid, $fields) {
        return self::editScheduleFields($scheduleid, $fields);
    }

    /**
     * Update any fields in a schedule, other update functions come down to this
     *
     * @param int $scheduleid ID of the schedule to update
     * @param array $fields Array, column name as key, with values to update
     * @return bool
     *
     */
    public static function editScheduleFields($scheduleid, $fields) {

        if (!is_array($fields)) {
            return false;
        }

        if (isset($fields['depicao']) && isset($fields['arricao'])) {
            if ($fields['depicao'] == $fields['arricao']) {
                return false;
            }
        }

        /* Ensure data is ok and formatted properly */
        if (isset($fields['code'])) {
            $fields['code'] = strtoupper($fields['code']);
        }

        if (isset($fields['flightnum'])) {
            $fields['flightnum'] = strtoupper($fields['flightnum']);
        }

        if (isset($fields['depicao'])) {
            $fields['depicao'] = strtoupper($fields['depicao']);
        }

        if (isset($fields['arricao'])) {
            $fields['arricao'] = strtoupper($fields['arricao']);
        }

        if (isset($fields['deptime'])) {
            $fields['deptime'] = strtoupper($fields['deptime']);
        }

        if (isset($fields['arrtime'])) {
            $fields['arrtime'] = strtoupper($fields['arrtime']);
        }

        if (isset($fields['enabled'])) {
            if ($fields['enabled'] == true) $fields['enabled'] = 1;
            else  $fields['enabled'] = 0;
        }

        # If they didn't specify a flight type, just default to pax
        if (isset($fields['flighttype'])) {
            $fields['flighttype'] = strtoupper($fields['flighttype']);
            if ($fields['flighttype'] == '') {
                $fields['flighttype'] = 'P';
            }
        }

        if (isset($fields['flightlevel'])) {
            $fields['flightlevel'] = str_replace(',', '', $fields['flightlevel']);
        }


        if (isset($fields['flighttime'])) {
            $fields['flighttime'] = str_replace(':', '.', $fields['flighttime']);
        }

        if (isset($fields['route'])) {
            $fields['route'] = str_replace('SID', '', $fields['route']);
            $fields['route'] = str_replace('STAR', '', $fields['route']);
            $fields['route'] = str_replace('DCT', '', $fields['route']);
            $fields['route'] = trim($fields['route']);
        }

        foreach ($fields as $key => $value) {
            $fields[$key] = DB::escape($value);
        }

        $sql = "UPDATE `" . TABLE_PREFIX . "schedules` SET ";
        $sql .= DB::build_update($fields);
        $sql .= ' WHERE `id`=' . $scheduleid;

        $res = DB::query($sql);

        if (DB::errno() != 0) {
            return false;
        }

        return true;
    }

    /**
     * Delete a schedule
     */
    public static function deleteSchedule($scheduleid) {

        $scheduleid = DB::escape($scheduleid);
        $sql = 'DELETE FROM ' . TABLE_PREFIX . 'schedules
                WHERE id=' . $scheduleid;

        $res = DB::query($sql);

        if (DB::errno() != 0) return false;

        return true;
    }

    public static function deleteAllSchedules() {
        $sql = 'DELETE FROM ' . TABLE_PREFIX . 'schedules';

        $res = DB::query($sql);

        if (DB::errno() != 0) return false;

        return true;
    }

    public static function deleteAllScheduleDetails() {

        $sql = 'UPDATE ' . TABLE_PREFIX . "schedules
                SET `route_details` = ''";

        $res = DB::query($sql);

        if (DB::errno() != 0) return false;

        return true;
    }

    public static function getAllBids() {
        $sql = 'SELECT  p.*, s.*,
                        b.bidid as bidid, b.dateadded, a.name as aircraft, a.registration
                FROM ' . TABLE_PREFIX . 'schedules s,
                     ' . TABLE_PREFIX . 'bids b,
                     ' . TABLE_PREFIX . 'aircraft a,
                     ' . TABLE_PREFIX . 'pilots p
                WHERE b.routeid = s.id AND s.aircraft=a.id AND p.pilotid = b.pilotid
                ORDER BY b.bidid DESC';

        return DB::get_results($sql);
    }

    /**
     * Get the latest bids
     */

    public static function getLatestBids($limit = 5) {
        $sql = 'SELECT  p.*, s.*,
                        b.bidid as bidid, a.name as aircraft, a.registration
                FROM ' . TABLE_PREFIX . 'schedules s,
                     ' . TABLE_PREFIX . 'bids b,
                     ' . TABLE_PREFIX . 'aircraft a,
                     ' . TABLE_PREFIX . 'pilots p
                WHERE b.routeid = s.id AND s.aircraft=a.id AND p.pilotid = b.pilotid
                ORDER BY b.bidid DESC
                LIMIT ' . $limit;

        return DB::get_results($sql);
    }

    public function getLatestBid($pilotid) {
        $pilotid = DB::escape($pilotid);

        $sql = 'SELECT s.*, b.bidid, a.id as aircraftid, a.name as aircraft, a.registration, a.maxpax, a.maxcargo
                FROM ' . TABLE_PREFIX . 'schedules s,
                     ' . TABLE_PREFIX . 'bids b,
                     ' . TABLE_PREFIX . 'aircraft a
                WHERE b.routeid = s.id
                    AND s.aircraft=a.id
                    AND b.pilotid=' . $pilotid . '
                ORDER BY b.bidid ASC LIMIT 1';

        return DB::get_row($sql);
    }

    /**
     * Get a specific bid with route information
     *
     * @param unknown_type $bidid
     * @return unknown
     */
    public static function getBid($bidid) {
        $bidid = DB::escape($bidid);

        $sql = 'SELECT s.*, b.bidid, b.pilotid, b.routeid,
                        a.name as aircraft, a.registration
                FROM ' . TABLE_PREFIX . 'schedules s, ' . TABLE_PREFIX . 'bids b,
                    ' . TABLE_PREFIX . 'aircraft a
                WHERE b.routeid = s.id
                        AND s.aircraft=a.id
                        AND b.bidid=' . $bidid;

        return DB::get_row($sql);
    }

    /**
     * Get all of the bids for a pilot
     *
     * @param unknown_type $pilotid
     * @return unknown
     */
    public static function getBids($pilotid) {
        $pilotid = DB::escape($pilotid);
        $sql = 'SELECT s.*, b.bidid, a.name as aircraft, a.registration
                FROM ' . TABLE_PREFIX . 'schedules s, ' . TABLE_PREFIX . 'bids b,
                    ' . TABLE_PREFIX . 'aircraft a
                WHERE b.routeid = s.id
                    AND s.aircraft=a.id
                    AND b.pilotid=' . $pilotid;

        return DB::get_results($sql);
    }

    /**
     * Get find a bid for the pilot based on ID,
     *  the airline code for the flight, and the flight number
     */
    public static function getBidWithRoute($pilotid, $code, $flightnum) {
        if ($pilotid == '') return;

        $sql = 'SELECT b.bidid
                FROM ' . TABLE_PREFIX . 'bids b, ' . TABLE_PREFIX . 'schedules s
                WHERE b.pilotid=' . $pilotid . '
                    AND b.routeid=s.id
                    AND s.code=\'' . $code . '\'
                    AND s.flightnum=\'' . $flightnum . '\'';

        return DB::get_row($sql);
    }

    public function setBidOnSchedule($scheduleid, $bidid) {
        $scheduleid = intval($scheduleid);
        $bidid = intval($bidid);

        $sql = 'UPDATE ' . TABLE_PREFIX . 'schedules
                SET `bidid`=' . $bidid . '
                WHERE `id`=' . $scheduleid;

        DB::query($sql);

        if (DB::errno() != 0) return false;

        return true;
    }

    /**
     * Add a bid
     */
    public static function addBid($pilotid, $routeid) {
        $pilotid = DB::escape($pilotid);
        $routeid = DB::escape($routeid);

        if (DB::get_row('SELECT bidid FROM ' . TABLE_PREFIX . 'bids
                        WHERE pilotid=' . $pilotid . ' AND routeid=' . $routeid)) {
            return false;
        }

        $pilotid = DB::escape($pilotid);
        $routeid = DB::escape($routeid);

        $sql = 'INSERT INTO ' . TABLE_PREFIX . 'bids (pilotid, routeid, dateadded)
                VALUES (' . $pilotid . ', ' . $routeid . ', NOW())';

        DB::query($sql);

        self::setBidOnSchedule($routeid, DB::$insert_id);

        if (DB::errno() != 0) return false;

        return true;
    }

    public static function deleteExpiredBids() {

        $cache_time = Config::Get('BID_EXPIRE_TIME');
        if ($cache_time == '') {
            return;
        }

        /* Make sure the schedule bidids */
        $sql = 'SELECT * FROM ' . TABLE_PREFIX . "bids
                WHERE `dateadded` + INTERVAL {$cache_time} HOUR < NOW()";

        $results = DB::get_results($sql);
        if (count($results) > 0) {
            foreach ($results as $row) {
                $sql = 'UPDATE ' . TABLE_PREFIX . "schedules
                        SET `bidid`=0 WHERE `id`={$row->routeid}";

                DB::query($sql);
            }
        }

        $sql = 'DELETE FROM ' . TABLE_PREFIX . "bids
                WHERE `dateadded` + INTERVAL {$cache_time} HOUR < NOW()";

        DB::query($sql);

    }
    /**
     * Remove a bid, by passing it's bid id
     */
    public static function deleteBid($bidid) {
        self::removeBid($bidid);
    }

    /**
     * Remove a bid, by passing it's bid id
     */
    public static function removeBid($bidid) {
        $bidid = intval($bidid);
        $bid_info = self::getBid($bidid);

        $sql = 'DELETE FROM ' . TABLE_PREFIX . 'bids
                WHERE `bidid`=' . $bidid;

        DB::query($sql);

        self::SetBidOnSchedule($bid_info->routeid, 0);

        if (DB::errno() != 0) return false;

        return true;
    }


    /**
     * @deprecated
     *
     */
    public static function getScheduleFlownCounts($code, $flightnum, $days = 7) {
        $max = 0;

        $code = strtoupper($code);
        $flightnum = strtoupper($flightnum);

        $start = strtotime("- $days days");
        $end = time();
        $data = array();

        # Turn on caching:
        DB::enableCache();

        do {
            $count = PIREPData::getReportCountForRoute($code, $flightnum, $start);
            $date = date('m-d', $start);

            $data[$date] = $count;

            $start += SECONDS_PER_DAY;

        } while ($start <= $end);

        DB::disableCache();

        return $data;
    }

    /**
     * Show the graph of the past week's reports. Outputs the
     *  image unless $ret == true
     *
     * @deprecated
     */
    public static function showReportCounts() {
        // Recent PIREP #'s
        $max = 0;
        $data = array();

        $time_start = strtotime('-7 days');
        $time_end = time();

        // This is for the past 7 days
        do {
            $count = PIREPData::getReportCount($time_start);

            $data[] = $count;

            if ($count > $max) $max = $count;

            $time_start += SECONDS_PER_DAY;
        } while ($time_start < $time_end);

        return $data;
    }
}