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Rename variables, add vertical merging of slots

This commit is contained in:
Vencislav Atanasov 2016-10-23 23:16:13 +03:00
parent e18f6d1eb7
commit a807406eb0
1 changed files with 110 additions and 39 deletions
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149
schedule/parse.php
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@ -27,40 +27,40 @@ function parseData($config, $data) {
return isset($slot['starts_at'], $slot['ends_at'], $slot['hall_id'], $slot['event_id']); return isset($slot['starts_at'], $slot['ends_at'], $slot['hall_id'], $slot['event_id']);
}); });
// Collect the events for each hall, sort them in order of starting // Collect the slots for each hall, sort them in order of starting
$events = []; $slots = [];
$microslots = []; $timestamps = [];
foreach ($data['halls'] as $hall_id => $hall) { foreach ($data['halls'] as $hall_id => $hall) {
$events[$hall_id] = []; $slots[$hall_id] = [];
foreach ($data['slots'] as $slot_id => $slot) { foreach ($data['slots'] as $slot_id => $slot) {
if ($slot['hall_id'] !== $hall_id) { if ($slot['hall_id'] !== $hall_id) {
continue; continue;
} }
if (!in_array($slot['starts_at'], $microslots)) { if (!in_array($slot['starts_at'], $timestamps)) {
$microslots[] = $slot['starts_at']; $timestamps[] = $slot['starts_at'];
} }
if (!in_array($slot['ends_at'], $microslots)) { if (!in_array($slot['ends_at'], $timestamps)) {
$microslots[] = $slot['ends_at']; $timestamps[] = $slot['ends_at'];
} }
$events[$hall_id][$slot['starts_at']] = $slot; $slots[$hall_id][$slot['starts_at']] = $slot;
} }
ksort($events[$hall_id]); ksort($slots[$hall_id]);
} }
sort($microslots); sort($timestamps);
// Find all microslots (the smallest time unit) // Find all microslots (the smallest time unit)
$intervals = []; $microslots = [];
$lastTs = 0; $lastTs = 0;
$first = true; $first = true;
foreach ($microslots as $ts) { foreach ($timestamps as $ts) {
if ($first) { if ($first) {
$lastTs = $ts; $lastTs = $ts;
$first = false; $first = false;
@ -72,24 +72,25 @@ function parseData($config, $data) {
continue; continue;
} }
$intervals[] = [$lastTs, $ts]; $microslots[] = [$lastTs, $ts];
$lastTs = $ts; $lastTs = $ts;
} }
// Fill in the event ID for each time slot in each hall // Fill in the event ID for each time slot in each hall
$slot_list = []; $events = [];
foreach ($data['halls'] as $hall_id => $hall) { foreach ($data['halls'] as $hall_id => $hall) {
$hall_data = []; $hall_data = [];
foreach ($intervals as $timestamps) { foreach ($microslots as $timestamps) {
$found = false; $found = false;
foreach ($data['slots'] as $slot_id => $slot) { foreach ($data['slots'] as $slot_id => $slot) {
if ( if (
$slot['hall_id'] === $hall_id && $slot['hall_id'] === $hall_id &&
$slot['starts_at'] <= $timestamps[0] && $slot['starts_at'] <= $timestamps[0] &&
$slot['ends_at'] >= $timestamps[1] $slot['ends_at'] >= $timestamps[1] &&
array_key_exists($slot['event_id'], $data['events'])
) { ) {
$found = true; $found = true;
$hall_data[] = [ $hall_data[] = [
@ -105,12 +106,86 @@ function parseData($config, $data) {
} }
} }
$slot_list[] = $hall_data; $events[] = $hall_data;
} }
// Transpose the matrix // Transpose the matrix
// rows->halls, cols->timeslots ===> rows->timeslots, cols->halls // rows->halls, cols->timeslots ===> rows->timeslots, cols->halls
$slot_list = array_map(null, ...$slot_list); $events = array_map(null, ...$events);
// Filter empty slots
$count = count($events);
for ($i = 0; $i < $count; ++$i) {
$hall_count = count($events[$i]);
$hasEvents = false;
for ($j = 0; $j < $hall_count; ++$j) {
if (!is_null($events[$i][$j]) && $events[$i][$j]['edge']) {
$hasEvents = true;
continue 2;
}
}
if (!$hasEvents) {
unset($events[$i]);
}
}
// Merge events longer than one slot
$prevEventId = [];
$prevEventSlot = [];
$prevSlotIndex = 0;
$first = true;
foreach ($events as $slot_index => &$events_data) {
if ($first) {
$prevEventId = array_map(function($event_info) {
return is_null($event_info) ? null : $event_info['event_id'];
}, $events_data);
$prevEventSlot = array_fill(0, count($events_data), null);
$prevSlotIndex = $slot_index;
$first = false;
continue;
}
foreach ($events_data as $hall_index => &$event_info) {
if (is_null($event_info)) {
$prevEventId[$hall_index] = null;
$prevEventSlot[$hall_index] = null;
continue;
}
if ($event_info['event_id'] !== $prevEventId[$hall_index]) {
$prevEventId[$hall_index] = $event_info['event_id'];
$prevEventSlot[$hall_index] = null;
continue;
}
// We have a long event
if (is_null($prevEventSlot[$hall_index])) {
$prevEventSlot[$hall_index] = $prevSlotIndex;
}
$master_slot = &$events[$prevEventSlot[$hall_index]][$hall_index];
if (!array_key_exists('rowspan', $master_slot)) {
$master_slot['rowspan'] = 2;
}
else {
++$master_slot['rowspan'];
}
unset($master_slot);
$event_info = false;
}
unset($event_info);
$prevSlotIndex = $slot_index;
}
unset($events_data);
// Build the HTML // Build the HTML
$schedule = '<table border="1"><thead><tr><th></th>'; $schedule = '<table border="1"><thead><tr><th></th>';
@ -122,29 +197,28 @@ function parseData($config, $data) {
$schedule .= '</tr></thead><tbody>'; $schedule .= '</tr></thead><tbody>';
$lastTs = 0; $lastTs = 0;
foreach ($slot_list as $slot_index => $events) { foreach ($events as $slot_index => $events_data) {
$columns = []; $columns = [];
$hasEvents = false;
if (date('d.m', $intervals[$slot_index][0]) !== date('d.m', $lastTs)) { if (date('d.m', $microslots[$slot_index][0]) !== date('d.m', $lastTs)) {
$schedule .= '<tr><th colspan="' . (count($events) + 1) . '">' . strftime('%d %B - %A', $intervals[$slot_index][0]) . '</th></tr>'; $schedule .= '<tr><th colspan="' . (count($events_data) + 1) . '">' . strftime('%d %B - %A', $microslots[$slot_index][0]) . '</th></tr>';
} }
$lastTs = $intervals[$slot_index][0]; $lastTs = $microslots[$slot_index][0];
$lastEventId = 0; $lastEventId = 0;
$colspan = 1; $colspan = 1;
foreach ($events as $hall_index => $hall_data) { foreach ($events_data as $hall_index => $event_info) {
if (is_null($hall_data['event_id']) || !array_key_exists($hall_data['event_id'], $data['events'])) { if ($event_info === false) {
continue;
}
if (is_null($event_info['event_id'])) {
$columns[] = '<td>&nbsp;</td>'; $columns[] = '<td>&nbsp;</td>';
continue; continue;
} }
if ($hall_data['edge']) { $eid = &$event_info['event_id'];
$hasEvents = true;
}
$eid = &$hall_data['event_id'];
$event = &$data['events'][$eid]; $event = &$data['events'][$eid];
$title = mb_substr($event['title'], 0, $config['cut_len']) . (mb_strlen($event['title']) > $config['cut_len'] ? '...' : ''); $title = mb_substr($event['title'], 0, $config['cut_len']) . (mb_strlen($event['title']) > $config['cut_len'] ? '...' : '');
@ -190,16 +264,13 @@ function parseData($config, $data) {
$colspan = 1; $colspan = 1;
} }
$columns[] = '<td' . $style . ($colspan > 1 ? ' colspan="' . $colspan . '"' : '') . '>' . $content . '</td>'; $rowspan = array_key_exists('rowspan', $event_info) ? (' rowspan="' . $event_info['rowspan'] . '"') : '';
$columns[] = '<td' . $style . ($colspan > 1 ? ' colspan="' . $colspan . '"' : $rowspan) . '>' . $content . '</td>';
$lastEventId = $eid; $lastEventId = $eid;
} }
if (!$hasEvents) {
continue;
}
$schedule .= '<tr><td>'; $schedule .= '<tr><td>';
$schedule .= strftime('%H:%M', $intervals[$slot_index][0]) . ' - ' . strftime('%H:%M', $intervals[$slot_index][1]); $schedule .= strftime('%H:%M', $microslots[$slot_index][0]) . ' - ' . strftime('%H:%M', $microslots[$slot_index][1]);
$schedule .= '</td>'; $schedule .= '</td>';
$schedule .= implode('', $columns); $schedule .= implode('', $columns);
$schedule .= '</tr>'; $schedule .= '</tr>';