lan
4b89b50006
- Add BaseManager/CachedManager base classes to eliminate duplicate cache logic - Add postListSources.ts with IPostListPagedSource interface - Add groupListSources.ts with IGroupListPagedSource interface - Refactor postManager to use CachedManager and Sources pattern - Refactor groupManager to use CachedManager and Sources pattern - Clean up duplicate methods in groupService.ts - Fix TypeScript errors and remove mock data
767 lines
22 KiB
TypeScript
767 lines
22 KiB
TypeScript
/**
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* 消息服务
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* 处理私信/聊天消息功能
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* 使用新的 API 接口: /api/v1/conversations (RESTful action 风格)
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*/
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import { api } from './api';
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import {
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ConversationListResponse,
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ConversationResponse,
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ConversationDetailResponse,
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MessageListResponse,
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MessageResponse,
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SendMessageRequest,
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UnreadCountResponse,
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ConversationUnreadCountResponse,
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SystemMessageListResponse,
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SystemMessageResponse,
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SystemUnreadCountResponse,
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MessageSegment,
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CursorPaginationRequest,
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CursorPaginationResponse,
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} from '../types/dto';
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import {
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getConversationCache,
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getConversationListCache,
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saveConversationCache,
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saveConversationsWithRelatedCache,
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updateConversationCacheUnreadCount,
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saveUsersCache,
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} from './database';
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/** 远端会话列表分页（offset / cursor）统一结果：拉取成功后均已执行本地缓存同步 */
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export interface RemoteConversationListPageResult {
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items: ConversationResponse[];
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hasMore: boolean;
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/** cursor 模式：下一页游标；offset 模式固定为 null */
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nextCursor: string | null;
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/** offset 模式：下一次 loadNext 应请求的页码；cursor 模式为 undefined */
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nextPage?: number;
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}
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// 消息服务类
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class MessageService {
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/** 与会话 offset 列表一致：将本页会话写入 SQLite，避免游标路径不落库导致冷启动未读与线上一致 */
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private async persistConversationListPageToLocalCache(
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list: ConversationResponse[]
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): Promise<void> {
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if (!list.length) return;
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const users = list.flatMap(conv => [
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...(conv.participants || []),
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...(conv.last_message?.sender ? [conv.last_message.sender] : []),
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]);
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const groups = list
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.map(conv => conv.group)
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.filter((group): group is NonNullable<typeof group> => Boolean(group));
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await saveConversationsWithRelatedCache(list, users, groups);
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}
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/** offset 会话列表单页：请求 + 落库 */
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private async requestOffsetConversationsPage(
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page: number,
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pageSize: number
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): Promise<ConversationListResponse> {
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const response = await api.get<ConversationListResponse>('/conversations', {
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page,
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page_size: pageSize,
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});
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const list = response.data.list || [];
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await this.persistConversationListPageToLocalCache(list);
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return response.data;
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}
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/** cursor 会话列表单页：请求 + 落库 */
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private async requestCursorConversationsPage(
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params: CursorPaginationRequest
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): Promise<CursorPaginationResponse<ConversationResponse>> {
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try {
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const response = await api.get<CursorPaginationResponse<ConversationResponse>>(
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'/conversations/cursor',
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params
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);
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const raw = response.data;
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const list = Array.isArray(raw?.list) ? raw.list : [];
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await this.persistConversationListPageToLocalCache(list);
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return {
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list,
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next_cursor: raw?.next_cursor ?? null,
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prev_cursor: raw?.prev_cursor ?? null,
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has_more: raw?.has_more ?? false,
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};
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} catch (error) {
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console.error('获取会话列表失败:', error);
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return {
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list: [],
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next_cursor: null,
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prev_cursor: null,
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has_more: false,
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};
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}
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}
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private async refreshConversationsFromServer(
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page = 1,
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pageSize = 20
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): Promise<ConversationListResponse> {
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return this.requestOffsetConversationsPage(page, pageSize);
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}
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/**
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* 远端会话列表单页（offset / cursor 统一入口）
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* 两种模式均先写 SQLite 再返回，行为与 NetworkRemoteConversationListPagedSource 配套。
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*/
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async fetchRemoteConversationListPage(args: {
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mode: 'offset' | 'cursor';
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pageSize: number;
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/** offset：本次页码，默认 1 */
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page?: number;
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/** cursor：本次游标；首屏不传或 null */
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cursor?: string | null;
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direction?: CursorPaginationRequest['direction'];
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}): Promise<RemoteConversationListPageResult> {
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if (args.mode === 'offset') {
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const page = args.page ?? 1;
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const data = await this.requestOffsetConversationsPage(page, args.pageSize);
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const totalPages = Math.max(0, data.total_pages ?? 0);
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const currentPage = data.page ?? page;
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const hasMore = totalPages > 0 && currentPage < totalPages;
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return {
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items: data.list || [],
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hasMore,
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nextCursor: null,
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nextPage: currentPage + 1,
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};
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}
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const raw = await this.requestCursorConversationsPage({
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page_size: args.pageSize,
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...(args.cursor != null && args.cursor !== ''
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? { cursor: args.cursor }
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: {}),
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...(args.direction ? { direction: args.direction } : {}),
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});
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const items = raw.list || [];
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const nextCursor = raw.next_cursor ?? null;
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const hasMore = Boolean(raw.has_more && nextCursor != null);
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return { items, hasMore, nextCursor };
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}
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private async refreshConversationDetailFromServer(id: string): Promise<ConversationDetailResponse> {
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const response = await api.get<ConversationDetailResponse>(
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`/conversations/${encodeURIComponent(id)}`
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);
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await saveConversationCache(response.data);
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if (response.data.participants?.length) {
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await saveUsersCache(response.data.participants);
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}
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if (response.data.last_message?.sender) {
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await saveUsersCache([response.data.last_message.sender]);
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}
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return response.data;
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}
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private normalizeCachedDetail(
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id: string,
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cached: any
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): ConversationDetailResponse {
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return {
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id: String(cached?.id || id),
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type: cached?.type || 'private',
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is_pinned: Boolean(cached?.is_pinned),
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last_seq: Number(cached?.last_seq || 0),
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last_message: cached?.last_message,
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last_message_at: cached?.last_message_at || cached?.updated_at || new Date().toISOString(),
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unread_count: Number(cached?.unread_count || 0),
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participants: Array.isArray(cached?.participants) ? cached.participants : [],
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my_last_read_seq: Number(cached?.my_last_read_seq || 0),
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other_last_read_seq: Number(cached?.other_last_read_seq || 0),
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created_at: cached?.created_at || new Date().toISOString(),
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updated_at: cached?.updated_at || new Date().toISOString(),
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};
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}
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// ==================== 会话相关 ====================
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/**
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* 获取会话列表
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* GET /api/v1/conversations/list
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*/
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async getConversations(
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page = 1,
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pageSize = 20,
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forceRefresh = false
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): Promise<ConversationListResponse> {
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// 如果强制刷新,直接从服务器获取,不使用缓存
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if (!forceRefresh) {
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const cachedList = await getConversationListCache();
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if (cachedList.length > 0) {
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// 后台刷新数据,但不阻塞当前返回
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this.refreshConversationsFromServer(page, pageSize).catch(error => {
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console.error('后台刷新会话列表失败:', error);
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});
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return {
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list: cachedList,
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total: cachedList.length,
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page: 1,
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page_size: cachedList.length,
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total_pages: 1,
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};
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}
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}
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// 强制刷新或没有缓存时,直接从服务器获取
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try {
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return await this.refreshConversationsFromServer(page, pageSize);
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} catch (error) {
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console.error('获取会话列表失败:', error);
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return {
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list: [],
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total: 0,
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page: 1,
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page_size: pageSize,
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total_pages: 0,
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};
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}
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}
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/**
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* 创建私聊会话
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* POST /api/v1/conversations
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* @param userId 目标用户ID (UUID格式)
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*/
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async createConversation(userId: string): Promise<ConversationResponse> {
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const response = await api.post<ConversationResponse>('/conversations', {
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user_id: userId,
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});
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await saveConversationCache(response.data);
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if (response.data.participants?.length) {
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await saveUsersCache(response.data.participants);
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}
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return response.data;
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}
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/**
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* 获取会话详情
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* GET /api/v1/conversations/:id
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*/
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async getConversationById(id: string): Promise<ConversationDetailResponse> {
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const cached = await getConversationCache(id);
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if (cached) {
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this.refreshConversationDetailFromServer(id).catch(error => {
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console.error('后台刷新会话详情失败:', error);
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});
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return this.normalizeCachedDetail(id, cached);
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}
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try {
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return await this.refreshConversationDetailFromServer(id);
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} catch (error) {
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console.error('获取会话详情失败:', error);
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throw error;
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}
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}
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/**
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* 仅自己删除会话
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* DELETE /api/v1/conversations/:id/self
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*/
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async deleteConversationForSelf(conversationId: string): Promise<void> {
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await api.delete(`/conversations/${encodeURIComponent(conversationId)}/self`);
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}
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/**
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* 设置会话置顶
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* PUT /api/v1/conversations/:id/pinned
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*/
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async setConversationPinned(conversationId: string, isPinned: boolean): Promise<void> {
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await api.put(`/conversations/${encodeURIComponent(conversationId)}/pinned`, {
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is_pinned: isPinned,
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});
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}
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// ==================== 消息相关 ====================
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/**
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* 获取消息列表（支持增量同步和历史消息加载）
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* GET /api/v1/conversations/:id/messages
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* @param conversationId 会话ID
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* @param afterSeq 获取此序号之后的消息（增量同步，获取新消息）
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* @param beforeSeq 获取此序号之前的历史消息（下拉加载更多，获取旧消息）
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* @param limit 返回消息数量限制
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*/
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async getMessages(
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conversationId: string,
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afterSeq?: number,
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beforeSeq?: number,
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limit?: number
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): Promise<MessageListResponse> {
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const params: Record<string, any> = {};
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if (afterSeq !== undefined) {
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params.after_seq = afterSeq;
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}
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if (beforeSeq !== undefined) {
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params.before_seq = beforeSeq;
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}
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if (limit !== undefined) {
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params.limit = limit;
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}
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try {
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const response = await api.get<any>(
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`/conversations/${encodeURIComponent(conversationId)}/messages`,
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params
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);
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// 处理增量同步响应（after_seq 或 before_seq）
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if ((afterSeq !== undefined || beforeSeq !== undefined) && response.data.messages !== undefined) {
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return {
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messages: response.data.messages,
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total: response.data.messages.length,
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page: 1,
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page_size: limit || 100,
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};
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}
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// 处理分页响应（后端返回 list 字段）
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const data = response.data;
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return {
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messages: data.list || [],
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total: data.total || 0,
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page: data.page || 1,
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page_size: data.page_size || 20,
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};
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} catch (error) {
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console.error('获取消息列表失败:', error);
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return {
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messages: [],
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total: 0,
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page: 1,
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page_size: 20,
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};
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}
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}
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/**
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* 发送消息（新格式）
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* POST /api/v1/conversations/:id/messages
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* Body: { detail_type, segments }
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*/
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async sendMessage(
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conversationId: string,
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data: SendMessageRequest,
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detailType: 'private' | 'group' = 'private'
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): Promise<MessageResponse> {
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// 直接使用传入的 segments
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if (!data.segments || data.segments.length === 0) {
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throw new Error('消息内容不能为空');
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}
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return this.sendMessageByAction(
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detailType,
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conversationId,
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data.segments,
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data.reply_to_id
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);
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}
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/**
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* 通过 HTTP POST 发送消息（新格式）
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* 请求格式: POST /api/v1/conversations/:id/messages
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* Body: { "detail_type": "private", "segments": [...] }
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* @param detailType 消息类型: 'private' 私聊, 'group' 群聊
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* @param conversationId 会话ID
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* @param message 消息段数组 [{"type": "text", "data": {"text": "xxx"}}]
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* @param replyToId 回复的消息ID（可选）
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* @returns 消息响应
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*/
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async sendMessageByAction(
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detailType: 'private' | 'group',
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conversationId: string,
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message: MessageSegment[],
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replyToId?: string
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): Promise<MessageResponse> {
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try {
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const body: Record<string, any> = {
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detail_type: detailType,
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segments: message,
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};
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if (replyToId) {
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body.reply_to_id = replyToId;
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}
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const response = await api.post<MessageResponse>(
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`/conversations/${encodeURIComponent(conversationId)}/messages`,
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body
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);
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return response.data;
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} catch (error) {
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console.error('发送消息失败:', error);
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throw error;
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}
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}
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/**
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* 发送文本消息（便捷方法）
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*/
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async sendTextMessage(
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conversationId: string,
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content: string,
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detailType: 'private' | 'group' = 'private'
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): Promise<MessageResponse> {
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return this.sendTextMessageByAction(detailType, conversationId, content);
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}
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/**
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* 通过 HTTP POST 发送文本消息
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* @param detailType 消息类型: 'private' 私聊, 'group' 群聊
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* @param conversationId 会话ID
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* @param text 文本内容
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* @returns 消息响应
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*/
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async sendTextMessageByAction(
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detailType: 'private' | 'group',
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conversationId: string,
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text: string
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): Promise<MessageResponse> {
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const message: MessageSegment[] = [
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{
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type: 'text',
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data: {
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text: text,
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},
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},
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];
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return this.sendMessageByAction(detailType, conversationId, message);
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}
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/**
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* 发送图片消息（便捷方法）
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*/
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async sendImageMessage(
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conversationId: string,
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mediaUrl: string,
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content?: string,
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detailType: 'private' | 'group' = 'private'
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): Promise<MessageResponse> {
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const message: MessageSegment[] = [
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{
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type: 'image',
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data: {
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url: mediaUrl,
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},
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},
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];
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// 如果有文本说明，添加一个文本段
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if (content) {
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message.unshift({
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type: 'text',
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data: { text: content },
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});
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}
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return this.sendMessageByAction(detailType, conversationId, message);
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}
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/**
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* 发送 segments 格式消息（新版统一格式）
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* @param conversationId 会话ID
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* @param segments 消息链数组
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* @param detailType 消息类型
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*/
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async sendSegmentsMessage(
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conversationId: string,
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segments: MessageSegment[],
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detailType: 'private' | 'group' = 'private'
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): Promise<MessageResponse> {
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return this.sendMessageByAction(detailType, conversationId, segments);
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}
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/**
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* 发送带回复的 segments 消息
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* @param conversationId 会话ID
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* @param segments 消息链数组
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* @param replyToId 被回复消息的ID
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* @param detailType 消息类型
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*/
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async sendReplySegmentsMessage(
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conversationId: string,
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segments: MessageSegment[],
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replyToId: string,
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detailType: 'private' | 'group' = 'private'
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): Promise<MessageResponse> {
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// 使用 reply_to_id 参数发送回复消息
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return this.sendMessageByAction(detailType, conversationId, segments, replyToId);
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}
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/**
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* 撤回/删除消息
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* POST /api/v1/messages/delete_msg
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* Body: { "message_id": "xxx" }
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*/
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async recallMessage(messageId: string): Promise<void> {
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await api.post('/messages/delete_msg', {
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message_id: messageId,
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});
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}
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/**
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* 删除消息（同撤回）
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* POST /api/v1/messages/delete_msg
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*/
|
||
async deleteMessage(messageId: string): Promise<void> {
|
||
await this.recallMessage(messageId);
|
||
}
|
||
|
||
// ==================== 已读相关 ====================
|
||
|
||
/**
|
||
* 标记已读
|
||
* POST /api/v1/conversations/:id/read
|
||
* @param conversationId 会话ID
|
||
* @param seq 已读到的消息序号
|
||
*/
|
||
async markAsRead(conversationId: string, seq: number): Promise<void> {
|
||
await api.post(`/conversations/${encodeURIComponent(conversationId)}/read`, {
|
||
last_read_seq: Number(seq),
|
||
});
|
||
// 立即清零本地缓存中的 unread_count，并写入已读游标，避免冷启动仍显示旧红点
|
||
updateConversationCacheUnreadCount(conversationId, 0, Number(seq)).catch(error => {
|
||
console.error('更新本地会话未读数失败:', error);
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 上报输入状态
|
||
* POST /api/v1/conversations/:id/typing
|
||
*/
|
||
async sendTyping(conversationId: string): Promise<void> {
|
||
await api.post(`/conversations/${encodeURIComponent(conversationId)}/typing`);
|
||
}
|
||
|
||
/**
|
||
* 获取未读总数
|
||
* GET /api/v1/conversations/unread/count
|
||
*/
|
||
async getUnreadCount(): Promise<UnreadCountResponse> {
|
||
try {
|
||
const response = await api.get<UnreadCountResponse>(
|
||
'/conversations/unread/count'
|
||
);
|
||
return response.data;
|
||
} catch (error) {
|
||
console.error('获取未读总数失败:', error);
|
||
return { total_unread_count: 0 };
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 获取单个会话未读数
|
||
* GET /api/v1/conversations/unread/count?conversation_id=xxx
|
||
*/
|
||
async getConversationUnreadCount(
|
||
conversationId: string
|
||
): Promise<ConversationUnreadCountResponse> {
|
||
try {
|
||
const response = await api.get<ConversationUnreadCountResponse>(
|
||
'/conversations/unread/count',
|
||
{ conversation_id: conversationId }
|
||
);
|
||
return response.data;
|
||
} catch (error) {
|
||
console.error('获取会话未读数失败:', error);
|
||
return {
|
||
conversation_id: conversationId,
|
||
unread_count: 0,
|
||
};
|
||
}
|
||
}
|
||
|
||
// ==================== 系统消息相关 ====================
|
||
|
||
/**
|
||
* 获取系统消息列表
|
||
* GET /api/v1/messages/system
|
||
* @param limit 返回数量限制
|
||
* @param beforeId 获取此ID之前的消息（用于分页）
|
||
*/
|
||
async getSystemMessages(
|
||
pageSize: number = 20,
|
||
page: number = 1
|
||
): Promise<SystemMessageListResponse> {
|
||
try {
|
||
const response = await api.get<{
|
||
list: any[];
|
||
total: number;
|
||
page: number;
|
||
page_size: number;
|
||
total_pages: number;
|
||
}>('/messages/system', {
|
||
page,
|
||
page_size: pageSize,
|
||
});
|
||
|
||
const data = response.data;
|
||
return {
|
||
messages: data.list || [],
|
||
total: data.total || 0,
|
||
has_more: data.page < data.total_pages,
|
||
};
|
||
} catch (error) {
|
||
console.error('获取系统消息列表失败:', error);
|
||
return {
|
||
messages: [],
|
||
total: 0,
|
||
has_more: false,
|
||
};
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 获取系统消息未读数
|
||
* GET /api/v1/messages/system/unread-count
|
||
*/
|
||
async getSystemUnreadCount(): Promise<SystemUnreadCountResponse> {
|
||
try {
|
||
const response = await api.get<SystemUnreadCountResponse>(
|
||
'/messages/system/unread-count'
|
||
);
|
||
return response.data;
|
||
} catch (error) {
|
||
console.error('获取系统消息未读数失败:', error);
|
||
return { unread_count: 0 };
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 标记单条系统消息已读
|
||
* PUT /api/v1/messages/system/:messageId/read
|
||
* @param messageId 消息ID
|
||
*/
|
||
async markSystemMessageRead(messageId: string): Promise<void> {
|
||
await api.put(`/messages/system/${encodeURIComponent(messageId)}/read`);
|
||
}
|
||
|
||
/**
|
||
* 标记所有系统消息已读
|
||
* PUT /api/v1/messages/system/read-all
|
||
*/
|
||
async markAllSystemMessagesRead(): Promise<void> {
|
||
await api.put('/messages/system/read-all');
|
||
}
|
||
|
||
// ==================== 游标分页方法 ====================
|
||
|
||
/**
|
||
* 获取消息列表（游标分页）
|
||
* GET /api/v1/conversations/:id/messages/cursor
|
||
* @param conversationId 会话ID
|
||
* @param params 游标分页请求参数
|
||
*/
|
||
async getMessagesCursor(
|
||
conversationId: string,
|
||
params: CursorPaginationRequest = {}
|
||
): Promise<CursorPaginationResponse<MessageResponse>> {
|
||
try {
|
||
const response = await api.get<any>(
|
||
`/conversations/${encodeURIComponent(conversationId)}/messages/cursor`,
|
||
params
|
||
);
|
||
const raw = response.data;
|
||
return {
|
||
list: Array.isArray(raw?.list) ? raw.list : [],
|
||
next_cursor: raw?.next_cursor ?? null,
|
||
prev_cursor: raw?.prev_cursor ?? null,
|
||
has_more: raw?.has_more ?? false,
|
||
};
|
||
} catch (error) {
|
||
console.error('获取消息列表失败:', error);
|
||
return {
|
||
list: [],
|
||
next_cursor: null,
|
||
prev_cursor: null,
|
||
has_more: false,
|
||
};
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 获取系统消息列表（游标分页）
|
||
* GET /api/v1/messages/system/cursor
|
||
* @param params 游标分页请求参数
|
||
*/
|
||
async getSystemMessagesCursor(
|
||
params: CursorPaginationRequest = {}
|
||
): Promise<CursorPaginationResponse<SystemMessageResponse>> {
|
||
try {
|
||
// 始终传递 cursor 参数（空字符串表示首次请求），确保使用游标分页
|
||
const requestParams: Record<string, any> = {
|
||
cursor: params.cursor || '',
|
||
page_size: params.page_size,
|
||
};
|
||
|
||
const response = await api.get<any>('/messages/system', requestParams);
|
||
|
||
const data = response.data;
|
||
|
||
// 游标或带 page/total_pages 的分页（统一为 CursorPaginationResponse：list）
|
||
if (data && typeof data === 'object') {
|
||
const list = Array.isArray(data.list) ? data.list : null;
|
||
if (list) {
|
||
const isPageShape =
|
||
typeof data.page === 'number' &&
|
||
typeof data.total_pages === 'number' &&
|
||
data.next_cursor === undefined &&
|
||
data.prev_cursor === undefined;
|
||
if (isPageShape) {
|
||
const currentPage = data.page || 1;
|
||
const totalPages = data.total_pages || 1;
|
||
return {
|
||
list,
|
||
next_cursor: currentPage < totalPages ? String(currentPage + 1) : null,
|
||
prev_cursor: currentPage > 1 ? String(currentPage - 1) : null,
|
||
has_more: currentPage < totalPages,
|
||
};
|
||
}
|
||
return {
|
||
list,
|
||
next_cursor: data.next_cursor ?? null,
|
||
prev_cursor: data.prev_cursor ?? null,
|
||
has_more: data.has_more ?? false,
|
||
};
|
||
}
|
||
}
|
||
|
||
return {
|
||
list: [],
|
||
next_cursor: null,
|
||
prev_cursor: null,
|
||
has_more: false,
|
||
};
|
||
} catch (error) {
|
||
console.error('获取系统消息列表失败:', error);
|
||
return {
|
||
list: [],
|
||
next_cursor: null,
|
||
prev_cursor: null,
|
||
has_more: false,
|
||
};
|
||
}
|
||
}
|
||
}
|
||
|
||
// 导出消息服务实例
|
||
export const messageService = new MessageService();
|
||
|
||
// 导出类型以方便使用
|
||
export type {
|
||
ConversationListResponse,
|
||
ConversationResponse,
|
||
ConversationDetailResponse,
|
||
MessageListResponse,
|
||
MessageResponse,
|
||
SendMessageRequest,
|
||
UnreadCountResponse,
|
||
ConversationUnreadCountResponse,
|
||
SystemMessageListResponse,
|
||
SystemUnreadCountResponse,
|
||
};
|