Add filter commands for finding conversations

Co-authored-by: Fedor Indutny <79877362+indutny-signal@users.noreply.github.com>

ts/util/filterAndSortConversations.ts

@@ -42,13 +42,46 @@ const cachedIndices = new WeakMap<
   Fuse<ConversationType>
 >();
 
+type CommandRunnerType = (
+  conversations: ReadonlyArray<ConversationType>,
+  query: string
+) => Array<ConversationType>;
+
+const COMMANDS = new Map<string, CommandRunnerType>();
+
+COMMANDS.set('uuidEndsWith', (conversations, query) => {
+  return conversations.filter(convo => convo.uuid?.endsWith(query));
+});
+
+COMMANDS.set('idEndsWith', (conversations, query) => {
+  return conversations.filter(convo => convo.id?.endsWith(query));
+});
+
+COMMANDS.set('e164EndsWith', (conversations, query) => {
+  return conversations.filter(convo => convo.e164?.endsWith(query));
+});
+
+COMMANDS.set('groupIdEndsWith', (conversations, query) => {
+  return conversations.filter(convo => convo.groupId?.endsWith(query));
+});
+
 // See https://fusejs.io/examples.html#extended-search for
 // extended search documentation.
 function searchConversations(
   conversations: ReadonlyArray<ConversationType>,
   searchTerm: string,
   regionCode: string | undefined
 ): Array<ConversationType> {
+  const maybeCommand = searchTerm.match(/^!([^\s]+):(.*)$/);
+  if (maybeCommand) {
+    const [, commandName, query] = maybeCommand;
+
+    const command = COMMANDS.get(commandName);
+    if (command) {
+      return command(conversations, query);
+    }
+  }
+
   const phoneNumber = parseAndFormatPhoneNumber(searchTerm, regionCode);
 
   // Escape the search term