feat(frontend): feed of deleted and edited messages above the chat list and per chat in the changes panel

frontend/src/lib/api/endpoints.ts

@@ -9,6 +9,11 @@ import type {
   ChatLinkView,
   DayCount,
   DiscoverItem,
+  FeedChatKind,
+  FeedKind,
+  FeedMessagesPage,
+  FeedPage,
+  FeedUnseen,
   Folder,
   JobStatus,
   JobView,
@@ -274,6 +279,39 @@ export function listDeleted(
   });
 }
 
+export interface FeedQuery {
+  chat_id?: number;
+  chat_kind?: FeedChatKind;
+  cursor?: string;
+  kind?: FeedKind;
+  limit?: number;
+}
+
+export function listFeed(query: FeedQuery = {}): Promise<FeedPage> {
+  return request<FeedPage>("/feed", { account: true, query: { ...query } });
+}
+
+export function getFeedUnseen(): Promise<FeedUnseen> {
+  return request<FeedUnseen>("/feed/unseen", { account: true });
+}
+
+export function markFeedSeen(at?: string): Promise<FeedUnseen> {
+  return request<FeedUnseen>("/feed/seen", {
+    body: { account_id: accounts.selectedId, at },
+    method: "POST",
+  });
+}
+
+export function listFeedMessages(
+  itemId: number,
+  query: { cursor?: string; limit?: number } = {}
+): Promise<FeedMessagesPage> {
+  return request<FeedMessagesPage>(`/feed/${itemId}/messages`, {
+    account: true,
+    query: { ...query },
+  });
+}
+
 export function getPeer(peerId: number): Promise<PeerView> {
   return request<PeerView>(`/peers/${peerId}`, { account: true });
 }

frontend/src/lib/api/types.ts

@@ -222,6 +222,52 @@ export interface MessageVersion {
   text: string | null;
 }
 
+export type FeedKind = "all" | "deleted" | "edited";
+export type FeedChatKind = "dm" | "group" | "channel";
+
+export interface FeedChat {
+  chat_id: number;
+  has_avatar: boolean;
+  kind: FeedChatKind;
+  title: string | null;
+}
+
+export interface FeedItem {
+  after: string | null;
+  at: string;
+  before: string | null;
+  chat: FeedChat;
+  edit_date: string | null;
+  has_before: boolean;
+  id: number;
+  kind: Exclude<FeedKind, "all">;
+  message: MessageView | null;
+  message_count: number;
+  message_id: number;
+  outgoing: boolean;
+  sender_id: number | null;
+  sender_name: string | null;
+  since: string;
+}
+
+export interface FeedPage {
+  items: FeedItem[];
+  next_cursor: string | null;
+}
+
+export interface FeedUnseen {
+  count: number;
+  deleted: number;
+  edited: number;
+  latest: FeedItem | null;
+  seen_at: string | null;
+}
+
+export interface FeedMessagesPage {
+  messages: MessageView[];
+  next_cursor: string | null;
+}
+
 export interface MediaVersion {
   file_size: number | null;
   id: number;