Re-normalize active user counts

php/utils/servers-rooms.php

@@ -2,6 +2,7 @@
 
 	include_once "$PROJECT_ROOT/languages/language_flags.php";
 
+	$WEEK_SECONDS = 604800;
 	/**
 	 * Representation of Session Community room.
 	 */
@@ -199,6 +200,28 @@
 			$pubkey_4 = substr($this->server->pubkey, 0, 4);
 			return "$token+$pubkey_4";
 		}
+
+		/**
+		 * Returns an estimate for the weekly active users of a CommunityRoom.
+		 * @return int Active user count normalized by tracked timespan of active users.
+		 */
+		function get_weekly_active_users(): int {
+			global $WEEK_SECONDS;
+
+			$active_users = $this->active_users;
+
+			if ($active_users == null) {
+				return 0;
+			}
+
+			$active_users_cutoff = $this->active_users_cutoff;
+
+			if ($active_users_cutoff == null) {
+				return $active_users;
+			}
+
+			return floor($active_users * $WEEK_SECONDS / $active_users_cutoff);
+		}
 	}
 
 	/**

sites/+components/tbl_communities.php

@@ -57,7 +57,7 @@
 		$language = html_sanitize($room->language_flag);
 		$name = html_sanitize($room->name);
 		$desc = html_sanitize($room->description);
-		$users = html_sanitize($room->active_users);
+		$users = html_sanitize($room->get_weekly_active_users());
 		$preview_link = html_sanitize($room->get_preview_url());
 		$join_link = html_sanitize($room->get_join_url());
 		$pubkey = html_sanitize($pubkey);