experimental program view

3 files changed, 120 insertions, 0 deletions

diff --git a/config.php b/lib/config.php
index 4e351ca..2b6b78e 100644
--- a/config.php
+++ b/lib/config.php
@@ -1,8 +1,13 @@
 <?php
+date_default_timezone_set('Europe/Berlin');
 
 // guessed automatically
 // $GLOBALS['CONFIG']['baseurl'] = 'http://foo.com/bar/';
 
+$GLOBALS['CONFIG']['SCHEDULE'] = 'http://fahrplan.mrmcd.net/schedule.xml';
+$GLOBALS['CONFIG']['SCHEDULE_CACHE_TTL'] = 5*60;
+$GLOBALS['CONFIG']['SCHEDULE_SCALE'] = 0.2; // float, px per second
+
 $GLOBALS['CONFIG']['ROOMS'] = array(
 	'saal1' => 'Saal 1',
 	'saal2' => 'Saal 2',
diff --git a/lib/helper.php b/lib/helper.php
index 8951948..4dc6f69 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('program.php');
+
 function link_index()
 {
 	return '';
@@ -46,3 +48,9 @@ function baseurl()
 
 	return $base;
 }
+
+function strtoduration($str)
+{
+	$parts = explode(':', $str);
+	return ((int)$parts[0] * 60 + (int)$parts[1]) * 60;
+}
diff --git a/lib/program.php b/lib/program.php
new file mode 100644
index 0000000..900d1d9
--- /dev/null
+++ b/lib/program.php
@@ -0,0 +1,107 @@
+<?php
+
+function program()
+{
+	$cacheidx = __FILE__.':'.__FUNCTION__.':program';
+	if(function_exists('apc_fetch') && $program = apc_fetch($cacheidx))
+		return $program;
+
+	echo 'fresh';
+	$program = array();
+	$schedule = simplexml_load_file($GLOBALS['CONFIG']['SCHEDULE']);
+
+	$dayidx = 0;
+	foreach($schedule->day as $day)
+	{
+		$dayidx++;
+		$daystart = strtotime((string)$day['start']);
+		$dayend = strtotime((string)$day['end']);
+
+		$roomidx = 0;
+		foreach($day->room as $room)
+		{
+			$roomidx++;
+			$name = (string)$room['name'];
+			$lastend = false;
+
+			foreach ($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,
+					);
+				}
+
+				$program[$name][] = array(
+					'title' => (string)$event->title,
+
+					'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),
+				);
+			}
+		}
+	}
+
+	if(function_exists('apc_store'))
+		apc_store($cacheidx, $program, $GLOBALS['CONFIG']['SCHEDULE_CACHE_TTL']);
+
+	return $program;
+}