feat(api,userbot,frontend): search peers without chats and start tracking them

frontend/src/lib/api/endpoints.ts

@@ -9,6 +9,7 @@ import type {
   Chat,
   ChatLinkView,
   DayCount,
+  DiscoverItem,
   Folder,
   JobStatus,
   JobView,
@@ -301,6 +302,37 @@ export function enqueueBackfill(
   });
 }
 
+export function discoverPeers(
+  query: string,
+  remote = false
+): Promise<DiscoverItem[]> {
+  return request<DiscoverItem[]>("/discover", {
+    account: true,
+    query: { query, remote },
+  });
+}
+
+export function getDiscoverItem(chatId: number): Promise<DiscoverItem> {
+  return request<DiscoverItem>(`/discover/${chatId}`, { account: true });
+}
+
+export function trackChat(
+  chatId: number,
+  backfill = true
+): Promise<DiscoverItem> {
+  return request<DiscoverItem>(`/chats/${chatId}/track`, {
+    method: "POST",
+    body: { account_id: accounts.selectedId, backfill },
+  });
+}
+
+export function syncContacts(): Promise<{ job_id: number }> {
+  return request<{ job_id: number }>("/contacts/sync", {
+    method: "POST",
+    body: { account_id: accounts.selectedId },
+  });
+}
+
 export function syncDialogs(): Promise<{ job_id: number }> {
   return request<{ job_id: number }>("/dialogs/sync", {
     method: "POST",

frontend/src/lib/api/types.ts

@@ -36,6 +36,21 @@ export interface Chat {
   title: string | null;
 }
 
+export type DiscoverKind = "private" | "group" | "channel";
+
+export interface DiscoverItem {
+  chat_id: number;
+  has_avatar: boolean;
+  in_dialogs: boolean;
+  is_bot: boolean;
+  is_contact: boolean;
+  kind: DiscoverKind;
+  message_count: number;
+  title: string | null;
+  tracked: boolean;
+  username: string | null;
+}
+
 export interface EntityView {
   custom_emoji_id: string | null;
   language: string | null;