<?php
/**
 *
 *
 * @url         $URL: http://svn.mythtv.org/svn/tags/release-0-22/mythplugins/mythweb/modules/tv/classes/Channel.php $
 * @date        $Date: 2009-08-02 04:50:00 +0000 (Sun, 02 Aug 2009) $
 * @version     $Revision: 21099 $
 * @author      $Author: kormoc $
 * @license     GPL
 *
 * @package     MythWeb
 * @subpackage  TV
 *
/**/

class Channel {
    var $chanid;
    var $channum;
    var $sourceid;
    var $callsign;
    var $name;
    var $finetune;
    var $videofilters;
    var $xmltvid;
    var $contrast;
    var $brightness;
    var $colour;
    var $visible;
    var $programs = array();

    /* public */
    function __construct($channel_data) {
        $this->chanid       = $channel_data['chanid'];
        $this->channum      = $channel_data['channum'];
        $this->sourceid     = $channel_data['sourceid'];
        $this->callsign     = $channel_data['callsign'];
        $this->name         = $channel_data['name'];
        $this->finetune     = $channel_data['finetune'];
        $this->videofilters = $channel_data['videofilters'];
        $this->xmltvid      = $channel_data['xmltvid'];
        $this->contrast     = $channel_data['contrast'];
        $this->brightness   = $channel_data['brightness'];
        $this->colour       = $channel_data['colour'];
        $this->visible      = $channel_data['visible'];
        $this->icon         = 'data/tv_icons/'.basename($channel_data['icon']);
    // Try to copy over any missing channel icons
        if ($channel_data['icon'] && !file_exists($this->icon)) {
        // Local file?
            if (file_exists($channel_data['icon']))
                copy($channel_data['icon'], $this->icon);
        // Otherwise, grab it from the backend
            else {
            // Make the request and store the result
                $data = MythBackend::find()->httpRequest('GetChannelIcon', array('ChanID' => $this->chanid));
                if ($data)
                    file_put_contents($this->icon, $data);
                unset($data);
            }
        }
    // Wipe the icon path completely if it doesn't exist.
        if (!is_file($this->icon))
            $this->icon = null;
    }

/** @deprecated FIXME:  this routine should get split out on its own, accepting
 *                      $channel as a parameter, and put into modules/tv/list.php
 */
    function display_programs($start_time, $end_time) {
        global $Page;
    // Keep track of each program this routine handles (for unique id generation)
        static $program_id_counter;
        if (empty($program_id_counter))
            $program_id_counter = 0;
    ## we will eventually need to check for list vs "by channel" display
    #  for now, we only have the main list display
        if (defined('theme_num_time_slots')) {
            $timeslots_left = theme_num_time_slots;
            $timeslot_size = theme_timeslot_size;
        } else {
            $timeslots_left = num_time_slots;
            $timeslot_size = timeslot_size;
        }

        foreach (array_keys($this->programs) as $key) {
        // Leave early?  just in case
            if ($timeslots_left < 1)
                break;
        // Grab a reference
            $program = &$this->programs[$key];
        // Make sure this program happens within the specified timeslot
            if ($program->starttime >= $end_time || $program->endtime <= $start_time)
                continue;
        // Get a modified start/end time for this program (in case it starts/ends outside of the aloted time
            $program_starts = $program->starttime;
            $program_ends   = $program->endtime;
            if ($program->starttime < $start_time)
                $program_starts = $start_time;
            if ($program->endtime > $end_time)
                $program_ends = $end_time;
        // If there is a gap before the current program, put a NO DATA block in.
            if ($program_starts > $start_time) {
                $length = (($program_starts - $start_time) / $timeslot_size);
                if ($length >= 0.5) {
                    $timeslots_used = ceil($length);
                    require tmpl_dir.'list_cell_nodata.php';
                    $start_time += $timeslots_used * timeslot_size;
                    if ($timeslots_left < $timeslots_used)
                        $timeslots_used = $timeslots_left;
                    $timeslots_left -= $timeslots_used;
                }
            }
        // Calculate the number of time slots this program gets
            $length = (($program_ends - $program_starts) / $timeslot_size);
            if ($length < .5) continue; // ignore shows that don't take up at least half a timeslot
            $timeslots_used = ceil($length);
        // Increment $start_time so we avoid putting tiny shows (ones smaller than a timeslot) into their own timeslot
            $start_time += $timeslots_used * $timeslot_size;
        // Make sure this doesn't put us over
            if ($timeslots_left < $timeslots_used)
                $timeslots_used = $timeslots_left;
            $timeslots_left -= $timeslots_used;
            #if ($timeslots_left > 0)
            require tmpl_dir.'list_cell_program.php';
        // Cleanup is good
            unset($program);
        }
    // Uh oh, there are leftover timeslots - display a no data message
        if ($timeslots_left > 0) {
            $timeslots_left = $timeslots_used;
            require tmpl_dir.'list_cell_nodata.php';
        }
    }

}
