aboutsummaryrefslogtreecommitdiff
path: root/lib/program.php
blob: 721abea283d18626a35c3e5a13f0f4fc12b12a0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
<?php

function program()
{
	$program = array();
	$schedule = file_get_contents($GLOBALS['CONFIG']['SCHEDULE']);

	// loading failed, try tmp-file
	if(!$schedule)
		$schedule = file_get_contents('/tmp/website-schedule-fallback.xml');

	// failed, too, give up
	if(!$schedule)
		return array();

	// save tmp-file (for when uplink goes down or such)
	file_put_contents('/tmp/website-schedule-fallback.xml', $schedule);
	$schedule = simplexml_load_string($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,
				);
			}
		}
	}

	return $program;
}