Remove redundant listing data

php/utils/servers-rooms.php

@@ -118,12 +118,18 @@
 		 */
 		function to_listing_data(): array {
 			$details = get_object_vars($this);
+			unset($details['server']);
 			$details['join_url'] = $this->get_join_url();
-			$details['tags'] = array_map(function(\CommunityTag $tag) {
-				return $tag->text;
-			}, $this->tags);
-			unset($details['message_sequence']);
-			return $details;
+			unset($details['tags']);
+			unset($details['language_flag']);
+			return array(
+				"api" => $details,
+				"extras" => array(
+					"join_url" => $this->get_join_url(),
+					"language_flag" => $this->language_flag,
+					"tags" => $this->get_raw_tags()
+				)
+			);
 		}
 
 		/**
@@ -317,6 +323,15 @@
 			return count($this->get_staff()) < $minimal_staff_count;
 		}
 
+		/**
+		 * @return string[]
+		 */
+		function get_raw_tags(): array {
+			return array_map(function(\CommunityTag $tag) {
+				return $tag->text;
+			}, $this->tags);
+		}
+
 		/**
 		 * Return the tags associated with this room.
 		 * @return \CommunityTag[] Tags as string array.