$vars Existing query vars. * @return array */ public function register_query_vars( array $vars ): array { $vars[] = self::QUERY_VAR; return $vars; } /** * Inject a virtual WP_Post for event pages. * * Fires on the_posts filter. When the webcal_event_id query var is present, * replaces the empty results with a virtual post so WordPress renders the * event through the theme's page template. * * @param array<\WP_Post> $posts Posts from the main query. * @param \WP_Query $query The query object. * @return array<\WP_Post> */ public function inject_virtual_post( array $posts, \WP_Query $query ): array { if ( is_admin() || ! $query->is_main_query() ) { return $posts; } $event_id_raw = $query->get( self::QUERY_VAR ); if ( $event_id_raw === '' || $event_id_raw === 0 || $event_id_raw === '0' ) { return $posts; } $event_id = is_numeric( $event_id_raw ) ? (int) $event_id_raw : 0; $event = $this->get_event( $event_id ); if ( ! $event ) { return $posts; } if ( self::creator_opted_out( $event->createdBy() ) ) { return $posts; } // In 'public' mode, only public events get pages if ( self::get_mode() === 'public' && $event->access()->value !== 'P' ) { return $posts; } // Non-public events require authentication and access rights if ( $event->access()->value !== 'P' ) { if ( ! is_user_logged_in() ) { return $posts; } // Logged-in user must be owner or participant $current_login = wp_get_current_user()->user_login; if ( $event->createdBy() !== $current_login ) { $container = Container::get_instance(); $part_repo = $container->get_participant_repository(); $participants = $part_repo->get_participants( $event->id()->value() ); if ( ! in_array( $current_login, $participants, true ) ) { return $posts; } } } // For recurring events, override the display date when ?date= is provided // so the single event page shows the occurrence the user clicked, not the // base event's original date. $occurrence_date = $this->resolve_occurrence_date( $event ); if ( $occurrence_date !== null ) { $event = $this->with_occurrence_date( $event, $occurrence_date ); } // Store event and occurrence date for meta tag output $GLOBALS['webcal_current_event'] = $event; $GLOBALS['webcal_current_occurrence_date'] = $occurrence_date; // Enqueue Leaflet for OpenStreetMap embed when event has a physical location $location_type = self::classify_location( $event->location() ); // A venue that carries coordinates is mappable on its own. Requiring // free text as well meant an event with a proper venue and no // location string — which is what the TEC import produces when the // venue has no address lines — showed no map at all. $mappable = ( $event->location() !== '' && 'physical' === $location_type ) || null !== self::venue_for( $event )?->latitude(); if ( $mappable ) { $map_prov_raw = get_option( 'webcal_map_provider', 'osm' ); $map_prov = is_scalar( $map_prov_raw ) ? (string) $map_prov_raw : 'osm'; if ( $map_prov === 'osm' ) { $plugin_url = plugin_dir_url( __DIR__ ); wp_enqueue_style( 'webcal-leaflet', $plugin_url . 'vendor-assets/leaflet/leaflet.css', [], '1.9.4' ); wp_enqueue_script( 'webcal-leaflet', $plugin_url . 'vendor-assets/leaflet/leaflet.js', [], '1.9.4', true ); // Prefer the venue's stored coordinates. The Events Calendar // import brings them along and nothing has ever read them, so // every map view geocoded a text address through Nominatim — // a third-party round trip, rate-limited, and wrong whenever // the free-text location is ambiguous. With a pin we skip it. $venue_for_map = self::venue_for( $event ); $fixed_lat = $venue_for_map?->latitude(); $fixed_lon = $venue_for_map?->longitude(); $loc_json_raw = wp_json_encode( $event->location() ); $loc_json = $loc_json_raw === false ? '""' : $loc_json_raw; $fallback_msg_raw = wp_json_encode( '

' . esc_html__( 'Map not available for this location.', 'agenticdaisy-calendar' ) . '

' ); $fallback_msg = $fallback_msg_raw === false ? '""' : $fallback_msg_raw; $draw = "function draw(lat, lon) {\n" . "var m = L.map(el).setView([lat, lon], 15);\n" . "L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {\n" . "attribution: '© OpenStreetMap contributors'\n" . "}).addTo(m);\n" . "L.marker([lat, lon]).addTo(m);\n" . "}\n"; if ( null !== $fixed_lat && null !== $fixed_lon ) { // Encode rather than concatenate: a float dropped into a // string is formatted by PHP's number-to-string rules, // which can yield scientific notation and is not // guaranteed to be valid JS. Everything else in this // snippet is JSON-encoded for the same reason. $coords_raw = wp_json_encode( [ $fixed_lat, $fixed_lon ] ); $coords = false === $coords_raw ? '[0,0]' : $coords_raw; $plot = "draw.apply(null, {$coords});\n"; } else { $plot = "fetch('https://nominatim.openstreetmap.org/search?q=' + encodeURIComponent(loc) + '&format=json&limit=1')\n" . ".then(function(r) { return r.json(); })\n" . ".then(function(d) {\n" . "if (!d || !d.length) { el.innerHTML = fb; return; }\n" . "draw(parseFloat(d[0].lat), parseFloat(d[0].lon));\n" . "})\n" . ".catch(function() { el.innerHTML = fb; });\n"; } $map_init = "(function() {\n" . "var el = document.getElementById('webcal-osm-map');\n" . "if (!el) return;\n" . "var loc = {$loc_json};\n" . "var fb = {$fallback_msg};\n" . $draw . $plot . '})();'; // The handle here was 'leaflet', which is not the handle the // script is registered under. wp_add_inline_script() returns // false for an unknown handle without saying anything, so the // initialiser was never printed and the OpenStreetMap embed // has been an empty grey box the whole time. wp_add_inline_script( 'webcal-leaflet', $map_init ); } } // Build and inject the virtual post $virtual_post = $this->build_virtual_post( $event ); // Override WP_Query flags to simulate a singular page $query->is_page = true; $query->is_singular = true; $query->is_single = false; $query->is_attachment = false; $query->is_archive = false; $query->is_category = false; $query->is_tag = false; $query->is_tax = false; $query->is_author = false; $query->is_date = false; $query->is_year = false; $query->is_month = false; $query->is_day = false; $query->is_time = false; $query->is_search = false; $query->is_feed = false; $query->is_comment_feed = false; $query->is_trackback = false; $query->is_home = false; $query->is_404 = false; $query->is_embed = false; $query->is_paged = false; $query->found_posts = 1; $query->max_num_pages = 1; $query->post_count = 1; $query->queried_object = $virtual_post; $query->queried_object_id = $virtual_post->ID; add_filter( 'document_title_parts', function ( array $parts ) use ( $event ): array { $parts['title'] = $event->name(); return $parts; } ); add_filter( 'pre_get_document_title', function () use ( $event ): string { return $event->name() . ' - ' . get_bloginfo( 'name' ); } ); return [ $virtual_post ]; } /** * Build a virtual WP_Post object for an event. * * @param Event $event The event entity. * @return \WP_Post */ private function build_virtual_post( Event $event ): \WP_Post { $container = Container::get_instance(); $part_repo = $container->get_participant_repository(); $participants = $part_repo->get_participants( $event->id()->value() ); $post_content = $this->build_post_content( $event, $participants ); return new \WP_Post( (object) [ 'ID' => 0, 'post_author' => '0', 'post_date' => $event->start()->format( 'Y-m-d H:i:s' ), 'post_date_gmt' => gmdate( 'Y-m-d H:i:s', $event->start()->getTimestamp() ), 'post_content' => $post_content, 'post_title' => $event->name(), 'post_excerpt' => wp_trim_words( wp_strip_all_tags( $event->description() ), 30, '...' ), 'post_status' => 'publish', 'comment_status' => 'closed', 'ping_status' => 'closed', 'post_password' => '', 'post_name' => sanitize_title( $event->name() ), 'to_ping' => '', 'pinged' => '', 'post_modified' => current_time( 'mysql' ), 'post_modified_gmt' => current_time( 'mysql', true ), 'post_content_filtered' => '', 'post_parent' => 0, 'guid' => self::get_event_url( $event ), 'menu_order' => 0, 'post_type' => 'page', 'post_mime_type' => '', 'comment_count' => '0', 'filter' => 'raw', ] ); } /** * Build the event detail HTML for post_content. * * The page title is rendered by the theme template from post_title, * so this method does not output an

(string) $value, ); } return $rows; } }