/**
* Creates the output of the RSS feed.
*
* @param boolean $comment ( ignored )
*/
public function create_feed_output($comment)
{
global $ai1ec_calendar_helper, $ai1ec_view_helper, $ai1ec_events_helper, $ai1ec_settings;
$number_of_posts = Ai1ec_Meta::get_option('posts_per_rss');
// Get the request parser
$request = new Ai1ec_Arguments_Parser(NULL, 'ai1ec_' . $ai1ec_settings->default_calendar_view);
$request->parse();
// Create the filter
$filter = array('cat_ids' => $request->get('cat_ids'), 'tag_ids' => $request->get('tag_ids'), 'post_ids' => $request->get('post_ids'));
$event_results = $ai1ec_calendar_helper->get_events_relative_to($ai1ec_events_helper->gmt_to_local(Ai1ec_Time_Utility::current_time()), $number_of_posts, 0, $filter, 0);
require_once AI1EC_VIEW_PATH . '/event-feed-rss2.php';
}
/**
* get_cache_key method
*
* Check if given request needs to be cached, and if yes - return the cache
* key to use with it
*
* @param Ai1ec_Abstract_Query $request Request to check
*
* @return string|bool Cache key, if request is cacheable, or false
*/
public function get_cache_key(Ai1ec_Abstract_Query $request)
{
if (!AI1EC_CACHE) {
return false;
}
$curr_page = Ai1ec_Arguments_Parser::get_current_page();
if ($curr_page < 1) {
return false;
}
$user = wp_get_current_user();
if (0 !== (int) $user->ID) {
return false;
}
$post = get_post($curr_page);
if (!empty($post->post_password)) {
return false;
// do not cache password protected posts
}
$excluders = array('page_offset', 'month_offset', 'oneday_offset', 'week_offset', 'time_limit', 'post_ids', 'auth_ids');
foreach ($excluders as $key) {
if (false !== ($value = $request->get($key)) && !empty($value)) {
return false;
}
}
$this_month = date('Y-m');
// mind the dashes to avoid int comparison
if (false !== ($exact = $request->get('exact_date'))) {
if ((string) (int) $exact !== (string) $exact) {
$exact = strtotime($exact);
}
if ($this_month !== date('Y-m', $exact)) {
return false;
}
}
// check terms
$terms = array();
foreach (array('cat_ids', 'tag_ids', 'term_ids') as $name) {
$local = $request->get($name);
foreach ($local as $tid) {
$tid = (int) $tid;
if ($tid > 0) {
$terms[$tid] = $tid;
}
}
}
if (count($terms) > 0) {
global $ai1ec_settings;
$default_terms = $ai1ec_settings->get_default_terms();
$diff_terms = array_diff($default_terms, $terms);
if (!empty($diff_terms)) {
return false;
}
unset($diff_terms, $default_terms);
}
// generate hash
$options = array('action' => $request->get('action'), 'type' => $request->get('request_type'), 'today' => $this_month, 'terms' => implode('|', $terms));
return 'ai1ec-response/' . implode('/', $options);
}
/**
* set_current_page method
*
* Set ID of currently open page
*
* @param int $page_id ID of page currently open
*
* @return void Method does not return
*/
public static function set_current_page($page_id)
{
self::$current_page = $page_id;
}
/**
* @param array $arguments
* @return Ai1ec_Arguments_Parser
*/
public static function create_argument_parser_instance(array $arguments = NULL)
{
$request = new Ai1ec_Arguments_Parser($arguments, self::$ai1ec_settings->default_calendar_view);
$request->parse();
return $request;
}
/**
* is_calendar_page method
*
* Check if current page matches calendar page, as selected by user, or
* it's one of page relatives
*
* @return int|bool Matching calendar page ID, or false if this is not a
* calendar page
*/
public function is_calendar_page()
{
global $ai1ec_settings, $ai1ec_localization_helper;
if (empty($ai1ec_settings->calendar_page_id)) {
return false;
}
$page_ids_to_match = array($ai1ec_settings->calendar_page_id) + $ai1ec_localization_helper->get_translations_of_page($ai1ec_settings->calendar_page_id);
foreach ($page_ids_to_match as $page_id) {
if (is_page($page_id)) {
Ai1ec_Arguments_Parser::set_current_page($page_id);
return $page_id;
}
}
return false;
}
