/**
* Singleton access method
*
* @return Ai1ec_Router Instance of self
*/
public static function instance()
{
if (!isset(self::$_instance) || !self::$_instance instanceof Ai1ec_Router) {
self::$_instance = new Ai1ec_Router();
}
return self::$_instance;
}
/**
* Check if at least one filter is set in the request
*
* @param array $view_args
* @return boolean
*/
public static function is_at_least_one_filter_set_in_request(array $view_args)
{
if (null === self::$at_least_one_filter_set_in_request) {
$filter_set = false;
$ai1ec_settings = Ai1ec_Settings::get_instance();
// check if something in the filters is set
foreach (Ai1ec_Cookie_Utility::$types as $type) {
if (!empty($view_args[$type])) {
$filter_set = true;
break;
}
}
// check if the default view is set
if ($ai1ec_settings->default_calendar_view !== $view_args['action']) {
$filter_set = true;
}
self::$at_least_one_filter_set_in_request = $filter_set;
}
return self::$at_least_one_filter_set_in_request;
}
/**
* Initializes the URL router used by our plugin.
*
* @return void Method is not intended to return anything
*/
public function initialize_router()
{
global $ai1ec_settings, $ai1ec_router, $ai1ec_localization_helper;
if (!isset($ai1ec_settings->calendar_page_id) || $ai1ec_settings->calendar_page_id < 1) {
// Routing may not be affected in any way if no calendar page exists.
return NULL;
}
$ai1ec_router = Ai1ec_Router::instance();
$page_base = '';
$clang = '';
if ($ai1ec_localization_helper->is_wpml_active()) {
$trans = $ai1ec_localization_helper->get_wpml_translations_of_page($ai1ec_settings->calendar_page_id, true);
$clang = $ai1ec_localization_helper->get_language();
if (isset($trans[$clang])) {
$ai1ec_settings->calendar_page_id = $trans[$clang];
}
}
$page_base = get_page_link($ai1ec_settings->calendar_page_id);
$page_base = Ai1ec_Wp_Uri_Helper::get_pagebase($page_base);
$page_link = 'index.php?page_id=' . $ai1ec_settings->calendar_page_id;
$pagebase_for_href = Ai1ec_Wp_Uri_Helper::get_pagebase_for_links(get_page_link($ai1ec_settings->calendar_page_id), $clang);
// Add a trailing slash if it is missing and we are using permalinks.
if (Ai1ec_Meta::get_option('permalink_structure')) {
$pagebase_for_href = trailingslashit($pagebase_for_href);
}
// Set up the view factory.
Ai1ec_View_Factory::set_page($pagebase_for_href);
// If the calendar is set as the front page, disable permalinks.
// They would not be legal under a Windows server. See:
// https://issues.apache.org/bugzilla/show_bug.cgi?id=41441
if (Ai1ec_Meta::get_option('permalink_structure') && (int) get_option('page_on_front') !== (int) $ai1ec_settings->calendar_page_id) {
Ai1ec_View_Factory::set_pretty_permalinks_enabled(true);
}
// If we are requesting the calendar page and we have a saved cookie,
// redirect the user. Do not redirect if the user saved the home page,
// otherwise we enter a loop.
$cookie_dto = $ai1ec_router->get_cookie_set_dto();
if (true === $cookie_dto->get_is_cookie_set_for_calendar_page()) {
$cookie = $cookie_dto->get_calendar_cookie();
$href = Ai1ec_View_Factory::create_href_helper_instance($cookie);
// wp_redirect sanitizes the url which strips out the |
header('Location: ' . $href->generate_href(), true, '302');
exit(0);
}
// We need to reset the cookie, it's to early for the is_page() call
$ai1ec_router->set_cookie_set_dto();
// Initialize SEO helper.
Ai1ec_Seo_Helper::get_instance();
$ai1ec_router = Ai1ec_Router::instance()->asset_base($page_base)->register_rewrite($page_link);
}
/**
* _get_view_and_restore_globals method
*
* Set global request ($_REQUEST) variables, call rendering routines
* and reset $_REQUEST afterwards.
*
* @uses do_action To launch
* 'ai1ec_load_frontend_js' action
*
* @param array $arguments Arguments to set for rendering
*
* @return string Rendered view
*/
protected function _get_view_and_restore_globals($arguments)
{
global $ai1ec_calendar_controller, $ai1ec_app_controller, $ai1ec_settings;
$ai1ec_router = Ai1ec_Router::instance();
$cookie_dto = $ai1ec_router->get_cookie_set_dto();
if (true === $cookie_dto->get_is_cookie_set_for_shortcode()) {
$cookie = $cookie_dto->get_shortcode_cookie();
$cookie_for_shortcode = array();
foreach (Ai1ec_Cookie_Utility::$types as $type) {
$cookie_for_shortcode[$type] = implode(',', $cookie[$type]);
}
// in the cookie i save an array with action. tag_ids and cat_ids.
// if something is saved, we use that
$arguments = $cookie_for_shortcode + $arguments;
}
$request = Ai1ec_Routing_Factory::create_argument_parser_instance($arguments);
$page_content = $ai1ec_calendar_controller->get_calendar_page($request);
// Load requirejs for the calendar
do_action('ai1ec_load_frontend_js', true, true);
return $page_content;
}
/**
* @return Ai1ec_Generic_Html_Tag
*/
public static function create_save_filtered_view_buttongroup(array $view_args, $shortcode)
{
$btn_group = Ai1ec_Helper_Factory::create_generic_html_tag('div');
$btn_group->add_class('btn-group');
$btn = Ai1ec_Helper_Factory::create_bootstrap_button_instance();
$btn->add_class('btn-mini ai1ec-tooltip-trigger');
$btn->set_id('save_filtered_views');
$icon = Ai1ec_Helper_Factory::create_generic_html_tag('icon');
$icon->add_class('icon-pushpin');
$btn->add_renderable_children($icon);
$ai1ec_router = Ai1ec_Router::instance();
$cookie_dto = $ai1ec_router->get_cookie_set_dto();
$cookie_set = $cookie_dto->get_is_a_cookie_set_for_this_page();
// if there are no filter set, but the cookie is set i need to show the button so that the cookie can be removed
if (false === Ai1ec_Router::is_at_least_one_filter_set_in_request($view_args) && !$cookie_set) {
$btn->add_class('hide');
}
$cookie = false;
if (true === $cookie_set) {
$cookie = 'true' === $shortcode ? $cookie_dto->get_shortcode_cookie() : $cookie_dto->get_calendar_cookie();
}
// If we have a cookie and the filters are in the same state of the cookie, show the remove version
// Saving the same state again would not make sense
// if we have a cookie and no filters are set, show the remove button, the user can't save the
// standard calendar view
if ($cookie_set && (self::check_if_saved_cookie_and_requested_page_match($view_args, $cookie) || false === Ai1ec_Router::is_at_least_one_filter_set_in_request($view_args))) {
$btn->add_class('active');
$text = __("Remove default filter", AI1EC_PLUGIN_NAME);
} else {
$text = __("Save this filter as default", AI1EC_PLUGIN_NAME);
}
// Add a span to hold text
$btn->set_attribute('title', $text);
$btn_group->add_renderable_children($btn);
return $btn_group;
}
/**
* Returns rendered calendar page.
*
* @return string Rendered calendar page
*/
public function get_calendar_page(Ai1ec_Abstract_Query $request)
{
global $ai1ec_view_helper, $ai1ec_settings, $ai1ec_events_helper, $ai1ec_themes_controller;
$ai1ec_calendar_helper = Ai1ec_Calendar_Helper::get_instance();
if ($notice = $ai1ec_themes_controller->frontend_outdated_themes_notice(false)) {
return $notice;
}
// Queue any styles, scripts
$this->load_css();
// Are we loading a shortcode?
$shortcode = $request->get('shortcode');
$view_args = $this->get_view_args_for_view($request);
$action = $view_args['action'];
$type = $request->get('request_type');
$exact_date = $this->get_exact_date($request);
$get_view = 'get_' . $action . '_view';
$page_hash = $this->get_cache_key($request);
$cache = NULL;
if (false !== $page_hash) {
$cache = Ai1ec_Strategies_Factory::create_blob_persistence_context($page_hash, AI1EC_CACHE_PATH);
}
$generated = false;
if (false !== $page_hash) {
try {
$generated = $cache->get_data_from_persistence();
} catch (Ai1ec_Cache_Not_Set_Exception $excpt) {
// discard
$generated = false;
}
}
if (false === $generated) {
$view = $this->{$get_view}($view_args);
$content = '';
$categories = '';
$tags = '';
$authors = '';
$args_for_filter = array();
if (true === $ai1ec_settings->use_select2_widgets) {
$categories = Ai1ec_View_Factory::create_select2_multiselect(array('name' => 'ai1ec_filter_categories', 'id' => 'ai1ec_filter_categories', 'use_id' => true, 'placeholder' => __('Filter by category', AI1EC_PLUGIN_NAME), 'type' => 'category'), get_terms('events_categories'), $view_args);
$categories = $categories->render_as_html();
$tags = Ai1ec_View_Factory::create_select2_multiselect(array('name' => 'ai1ec_filter_tags', 'id' => 'ai1ec_filter_tags', 'use_id' => true, 'placeholder' => __('Filter by tag', AI1EC_PLUGIN_NAME), 'type' => 'tag'), get_terms('events_tags'), $view_args);
$tags = $tags->render_as_html();
$authors = Ai1ec_Author::get_instance()->get_all_for_select2();
$authors = Ai1ec_View_Factory::create_select2_multiselect(array('name' => 'ai1ec_filter_authors', 'id' => 'ai1ec_filter_authors', 'use_id' => true, 'placeholder' => __('Filter by author', AI1EC_PLUGIN_NAME), 'type' => 'author'), $authors, $view_args);
$authors = $authors->render_as_html();
} else {
$categories = $ai1ec_calendar_helper->get_html_for_categories($view_args);
$authors = $ai1ec_calendar_helper->get_html_for_authors($view_args);
$tags = $ai1ec_calendar_helper->get_html_for_tags($view_args);
}
$dropdown_args = $view_args;
if (isset($dropdown_args['time_limit']) && false !== $exact_date) {
$dropdown_args['exact_date'] = $exact_date;
}
$views_dropdown = $ai1ec_calendar_helper->get_html_for_views_dropdown($dropdown_args);
$subscribe_buttons = '';
if (!$ai1ec_settings->turn_off_subscription_buttons) {
$subscribe_buttons = $ai1ec_calendar_helper->get_html_for_subscribe_buttons($view_args);
}
$save_view_btngroup = Ai1ec_View_Factory::create_save_filtered_view_buttongroup($view_args, $shortcode);
if (($view_args['no_navigation'] || $type !== 'standard') && 'true' !== $shortcode) {
$args_for_filter = $view_args;
$are_filters_set = Ai1ec_Router::is_at_least_one_filter_set_in_request($view_args);
// send data both for json and jsonp as shortcodes are jsonp
$content = array('html' => $view, 'categories' => $categories, 'authors' => $authors, 'tags' => $tags, 'views_dropdown' => $views_dropdown, 'subscribe_buttons' => $subscribe_buttons, 'save_view_btngroup' => $save_view_btngroup->render_as_html(), 'are_filters_set' => $are_filters_set);
} else {
// Determine whether to display "Post your event" button on front-end.
$contribution_buttons = $ai1ec_calendar_helper->get_html_for_contribution_buttons();
$show_dropdowns = true;
$show_select2 = false;
$span_for_select2 = '';
// if we use select2, calculate the span settings
if (true === $ai1ec_settings->use_select2_widgets) {
$show_dropdowns = false;
$show_select2 = true;
$count = 0;
if (!empty($categories)) {
$count += 1;
}
if (!empty($authors)) {
$count += 1;
}
if (!empty($tags)) {
$count += 1;
}
if (0 === $count) {
$show_select2 = false;
} else {
$span_for_select2 = 'span' . 12 / $count;
}
}
// Define new arguments for overall calendar view
$page_args = array('current_view' => $action, 'views_dropdown' => $views_dropdown, 'view' => $view, 'contribution_buttons' => $contribution_buttons, 'categories' => $categories, 'authors' => $authors, 'tags' => $tags, 'subscribe_buttons' => $subscribe_buttons, 'data_type' => $view_args['data_type'], 'save_view_btngroup' => $save_view_btngroup, 'disable_standard_filter_menu' => $ai1ec_settings->disable_standard_filter_menu, 'show_dropdowns' => $show_dropdowns, 'show_select2' => $show_select2, 'span_for_select2' => $span_for_select2);
$filter_menu = Ai1ec_Render_Entity_Utility::get_instance('Filter_Menu')->set($page_args);
$page_args['filter_menu'] = $filter_menu;
$content = $ai1ec_view_helper->get_theme_view('calendar.php', $page_args);
$args_for_filter = $page_args;
}
$generated = apply_filters('ai1ec_view', $content, $args_for_filter);
if ($page_hash) {
try {
$cache->write_data_to_persistence($generated);
} catch (Ai1ec_Cache_Not_Set_Exception $exception) {
// ignore write failures
}
}
}
return $generated;
}
function ai1ec_initialize_router()
{
global $ai1ec_settings, $ai1ec_router, $ai1ec_localization_helper;
$page_base = '';
$clang = '';
if ($ai1ec_settings->calendar_page_id > 0) {
if ($ai1ec_localization_helper->is_wpml_active()) {
$trans = $ai1ec_localization_helper->get_wpml_translations_of_page($ai1ec_settings->calendar_page_id, true);
$clang = $ai1ec_localization_helper->get_language();
if (isset($trans[$clang])) {
$ai1ec_settings->calendar_page_id = $trans[$clang];
}
}
$page_base = get_page_link($ai1ec_settings->calendar_page_id);
}
$page_base = Ai1ec_Wp_Uri_Helper::get_pagebase($page_base);
$page_link = 'index.php?page_id=' . $ai1ec_settings->calendar_page_id;
$pagebase_for_href = Ai1ec_Wp_Uri_Helper::get_pagebase_for_links(get_page_link($ai1ec_settings->calendar_page_id), $clang);
// add a trailing slash if it's missing and we are using permalinks
if (get_option('permalink_structure')) {
$pagebase_for_href = trailingslashit($pagebase_for_href);
}
// Set up the view factory
Ai1ec_View_Factory::set_page($pagebase_for_href);
// if the calendar is set as the front page, disable permalinks.
// They would not be legal under windows
// https://issues.apache.org/bugzilla/show_bug.cgi?id=41441
if (get_option('permalink_structure') && (int) get_option('page_on_front') !== (int) $ai1ec_settings->calendar_page_id) {
Ai1ec_View_Factory::set_pretty_permalinks_enabled(true);
}
$ai1ec_router = Ai1ec_Router::instance()->asset_base($page_base)->register_rewrite($page_link);
}
