/** * Returns a Simplepie feed for the calendar according * to the parameter gcid. * If there is a menu available for this calendar the * cache is used and configured from the menu parameters. */ function getGoogleCalendarFeeds() { GCalendarUtil::ensureSPIsLoaded(); $startDate = JRequest::getVar('start', null); $endDate = JRequest::getVar('end', null); $browserTz = JRequest::getInt('browserTimezone', null); if (!empty($browserTz)) { $browserTz = $browserTz * 60; } else { $browserTz = 0; } $serverOffset = date('Z', $startDate); $startDate = $startDate - $browserTz - $serverOffset - GCalendarModelJSONFeed::getGCalendarTZOffset($startDate); $endDate = $endDate - $browserTz - $serverOffset - GCalendarModelJSONFeed::getGCalendarTZOffset($endDate); $calendarids = ''; if (JRequest::getVar('gcids', null) != null) { if (is_array(JRequest::getVar('gcids', null))) { $calendarids = JRequest::getVar('gcids', null); } else { $calendarids = explode(',', JRequest::getVar('gcids', null)); } } else { $calendarids = JRequest::getVar('gcid', null); } $results = GCalendarDBUtil::getCalendars($calendarids); if (empty($results)) { return null; } $calendars = array(); foreach ($results as $result) { if (empty($result->calendar_id)) { continue; } $feed = new SimplePie_GCalendar(); if (JRequest::getCmd('layout', null) == 'module') { $cacheTime = JRequest::getInt('ctime', -1); if ($cacheTime > -1) { // check if cache directory exists and is writeable $cacheDir = JPATH_BASE . DS . 'cache' . DS . 'mod_gcalendar'; $cache_exists = true; JFolder::create($cacheDir, 0755); if (!is_writable($cacheDir)) { JError::raiseWarning(500, "Created cache at " . $cacheDir . " is not writable, disabling cache."); $cache_exists = false; } else { $cache_exists = true; } $feed->enable_cache($cache_exists); if ($cache_exists) { $feed->set_cache_location($cacheDir); $feed->set_cache_duration($cacheTime); } } else { $feed->enable_cache(false); $feed->set_cache_duration(-1); } } else { $linkID = GCalendarUtil::getItemId($result->id); $menus =& JSite::getMenu(); $params = $menus->getParams($linkID); $conf =& JFactory::getConfig(); if ($params != null && ($params->get('gccache', 0) == 2 || $params->get('gccache', 0) == 1 && $conf->getValue('config.caching'))) { $cacheTime = $params->get('gccache_time', $conf->getValue('config.cachetime') * 60); // check if cache directory exists and is writeable $cacheDir = JPATH_BASE . DS . 'cache' . DS . 'com_gcalendar'; JFolder::create($cacheDir, 0755); if (!is_writable($cacheDir)) { JError::raiseWarning(500, "Created cache at " . $cacheDir . " is not writable, disabling cache."); $cache_exists = false; } else { $cache_exists = true; } //check and set caching $feed->enable_cache($cache_exists); if ($cache_exists) { $feed->set_cache_location($cacheDir); $feed->set_cache_duration($cacheTime); } } else { $feed->enable_cache(false); $feed->set_cache_duration(-1); } } $feed->set_show_past_events(FALSE); $feed->set_sort_ascending(TRUE); $feed->set_orderby_by_start_date(TRUE); $feed->set_expand_single_events(TRUE); $feed->enable_order_by_date(FALSE); $feed->set_start_date($startDate); $feed->set_end_date($endDate); $feed->set_max_events(1000); $feed->put('gcid', $result->id); $feed->put('gccolor', $result->color); $feed->put('gcname', $result->name); $feed->set_cal_language(GCalendarUtil::getFrLanguage()); $feed->set_timezone(GCalendarUtil::getComponentParameter('timezone')); $url = SimplePie_GCalendar::create_feed_url($result->calendar_id, $result->magic_cookie); $feed->set_feed_url($url); $feed->init(); //echo $feed->feed_url; if ($feed->error()) { JError::raiseWarning(500, 'Simplepie detected an error for the calendar ' . $result->calendar_id . '. Please run the <a href="administrator/components/com_gcalendar/libraries/sp-gcalendar/sp_compatibility_test.php">compatibility utility</a>.<br>The following Simplepie error occurred:<br>' . $feed->error()); } $feed->handle_content_type(); $calendars[] = $feed; } return $calendars; }