Implement MVT Pattern based on simple Config options

1 files changed, 173 insertions, 0 deletions

diff --git a/model/Schedule.php b/model/Schedule.php
index db940ce..ca4881d 100644
--- a/model/Schedule.php
+++ b/model/Schedule.php
@@ -5,4 +5,177 @@ class Schedule extends ModelBase
 	public function getSimulationOffset() {
 		return $this->get('SCHEDULE.SIMULATE_OFFSET', 0);
 	}
+
+	private function strtoduration($str)
+	{
+		$parts = explode(':', $str);
+		return ((int)$parts[0] * 60 + (int)$parts[1]) * 60;
+	}
+
+	function program()
+	{
+		if(!has('SCHEDULE'))
+			return;
+
+		if(has('SCHEDULE.CACHE') && function_exists('apc_fetch'))
+		{
+			$program = apc_fetch('SCHEDULE.CACHE');
+			if($program) return $program;
+		}
+
+
+		$program = array();
+		$opts = array(
+			'http' => array(
+				'timeout' => 2,
+				'user_agent' => 'C3Voc Universal Streaming-Website Backend @ '.$_SERVER['HTTP_HOST'],
+			)
+		);
+		$context  = stream_context_create($opts);
+		$schedule = file_get_contents(get('SCHEDULE.URL'), false, $context);
+
+		// failed, give up
+		if(!$schedule)
+			return array();
+
+		$schedule = simplexml_load_string($schedule);
+
+		// re-calculate day-ends
+		// some schedules have long gaps before the first talk or talks that expand beyond the dayend
+		// (fiffkon, i look at you)
+		// so to be on the safer side we calculate our own daystart/end here
+		foreach($schedule->day as $day)
+		{
+			$daystart = PHP_INT_MAX;
+			$dayend = 0;
+
+			foreach($day->room as $room)
+			{
+				foreach($room->event as $event)
+				{
+					$start = strtotime((string)$event->date);
+					$duration = strtoduration((string)$event->duration);
+					$end = $start + $duration;
+
+					$daystart = min($daystart, $start);
+					$dayend = max($dayend, $end);
+				}
+			}
+
+			$day['start'] = $daystart;
+			$day['end'] = $dayend;
+		}
+
+		$dayidx = 0;
+		foreach($schedule->day as $day)
+		{
+			$dayidx++;
+			$daystart = (int)$day['start'];
+			$dayend = (int)$day['end'];
+
+			$roomidx = 0;
+			foreach($day->room as $room)
+			{
+				$roomidx++;
+				$lastend = false;
+				$name = (string)$room['name'];
+				if(isset($GLOBALS['CONFIG']['FAHRPLAN_ROOM_MAPPING'][$name]))
+					$name = $GLOBALS['CONFIG']['FAHRPLAN_ROOM_MAPPING'][$name];
+
+				foreach($room->event as $event)
+				{
+					$start = strtotime((string)$event->date);
+					$duration = strtoduration((string)$event->duration);
+					$end = $start + $duration;
+
+					if($lastend && $lastend < $start)
+					{
+						// synthesize pause event
+						$pauseduration = $start - $lastend;
+						$program[$name][] = array(
+							'special' => 'pause',
+							'title' => round($pauseduration / 60).' minutes pause',
+
+							'fstart' => date('c', $lastend),
+							'fend' => date('c', $start),
+
+							'start' => $lastend,
+							'end' => $start,
+							'duration' => $pauseduration,
+						);
+					}
+					else if(!$lastend && $daystart < $start)
+					{
+						$program[$name][] = array(
+							'special' => 'gap',
+
+							'fstart' => date('c', $daystart),
+							'fend' => date('c', $start),
+
+							'start' => $daystart,
+							'end' => $start,
+							'duration' => $start - $daystart,
+						);
+					}
+
+				$personnames = array();
+				foreach($event->persons->person as $person)
+					$personnames[] = (string)$person;
+
+				$program[$name][] = array(
+						'title' => (string)$event->title,
+						'speaker' => implode(', ', $personnames),
+
+						'fstart' => date('c', $start),
+						'fend' => date('c', $end),
+
+						'start' => $start,
+						'end' => $end,
+						'duration' => $duration,
+					);
+
+					$lastend = $end;
+				}
+
+				// synthesize daychange event
+				if(!$lastend) $lastend = $daystart;
+				if($lastend < $dayend)
+				{
+					$program[$name][] = array(
+						'special' => 'gap',
+
+						'fstart' => date('c', $lastend),
+						'fend' => date('c', $dayend),
+
+						'start' => $lastend,
+						'end' => $dayend,
+						'duration' => $dayend - $lastend,
+					);
+				}
+
+				if($dayidx < count($schedule->day))
+				{
+					$program[$name][] = array(
+						'special' => 'daychange',
+						'title' => 'Daychange from Day '.$dayidx.' to '.($dayidx+1),
+
+						'start' => $dayend,
+						'end' => (int)$schedule->day[$dayidx]['start'],
+						'duration' => 60*60,
+					);
+				}
+			}
+		}
+
+		if(has('SCHEDULE.CACHE') && function_exists('apc_store'))
+		{
+			apc_store(
+				'SCHEDULE.CACHE',
+				$program,
+				get('SCHEDULE.CACHE')
+			);
+		}
+
+		return $program;
+	}
 }