function agenda_get_events in Agenda 7

Same name and namespace in other branches

1. 6.2 agenda.module \agenda_get_events()
2. 6 agenda.module \agenda_get_events()
3. 7.2 agenda.module \agenda_get_events()

Given a list of calendar IDs, parse out and return any event data

@access private

Parameters

array $block The block settings object:

bool $cacheaction Whether to interact with the cache:

1 call to agenda_get_events()

agenda_display_block in ./agenda.module

Generate the themed agenda block.

File

./agenda.module, line 237

Code

function agenda_get_events($block, $cache = TRUE) {

  // Check the cache
  if ($cache) {
    $cache_key = 'agenda_block_' . $block->bid;
    $eventdata = cache_get($cache_key, 'cache');
    if ($eventdata && $eventdata->expire > REQUEST_TIME) {
      return $eventdata->data;
    }
  }

  // Get the calendars
  $calendars = preg_split('@\\r\\n?|\\n@', $block->calendars);
  $calendars = array_map('trim', $calendars);
  if (empty($calendars)) {
    return FALSE;
  }

  // Otherwise parse the calendars
  $eventdata = array();
  foreach ($calendars as $calindex => $googleid) {
    list($address, $token) = _agenda_parse_googleid($googleid);
    $calendar = _agenda_load_xml($address, $token, $block);

    // If we fail to load the XML, handle it
    if (!$calendar) {
      watchdog('agenda', 'Unable to load the calendar feed (@feed) for block @bid', array(
        '@feed' => $googleid,
        '@bid' => $block->bid,
      ));
      continue;
    }

    // Parse out the event details
    foreach ($calendar->entry as $eventxml) {
      $event = _agenda_parse_event($eventxml, $block);
      if (!$event) {
        continue;
      }
      $event['index'] = (int) $calindex;
      $event['calendar'] = (string) $calendar->title;
      $eventdata[] = $event;
    }
  }

  // Sort the events by date
  $timestamps = array();
  foreach ($eventdata as $event) {
    $timestamps[] = $event['start timestamp'];
  }
  array_multisort($timestamps, SORT_NUMERIC, $eventdata);

  // Cache our data
  if ($cache) {
    $expires = REQUEST_TIME + $block->cachetime;
    cache_set($cache_key, $eventdata, 'cache', $expires);
  }
  return $eventdata;
}