70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
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/**
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* 消息列表页 U23（重构：用 messageStore + conversation-item）
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*
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* 不变量（AGENTS.md）：
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* - 第 3 条：Mutual Match 后才能聊天——列表只展示 mutualMatch 状态的会话；
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* 若 conversation.canSendMessage=false（已 Block/Unmatch），仍展示但置灰，点击进入后禁止输入。
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* - 第 4 条：Block/Unmatch 后会话立即停用，UI 不删除而是显示"已停用"提示。
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* - 第 6 条：单向活动意向不泄露——此页只展示已建立的 Mutual 会话，不会泄露对方是否单独选过我。
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* - 第 9 条：DB 是 Source of Truth——本地不缓存完整会话历史，每次进入页面重新拉取最新列表。
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*/
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const { messageStore, appStore, authStore } = require('../../stores');
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const { ROUTE, to } = require('../../constants');
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Page({
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data: {
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conversations: [],
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loading: false,
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unreadTotal: 0,
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emptyActions: [
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{ text: '去今日推荐', event: 'home', variant: 'primary' },
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],
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},
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onLoad() {
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// 绑定 messageStore 字段到 page data
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this._unsubMsg = messageStore.bindToPage(this, {
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conversations: 'conversations',
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totalUnreadCount: 'unreadTotal',
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});
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this._unsubLoading = messageStore.subscribe((state) => {
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if (state.conversationsLoading !== this.data.loading) {
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this.setData({ loading: state.conversationsLoading });
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}
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});
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this.setData({ loading: messageStore.state.conversationsLoading });
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},
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onShow() {
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if (!authStore.state.isLoggedIn) return;
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// 每次显示重新拉取会话列表（最新的 lastMessage / 未读数会刷新）
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messageStore.fetchConversations().catch((err) => appStore.toastError(err));
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},
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onUnload() {
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this._unsubMsg && this._unsubMsg();
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this._unsubLoading && this._unsubLoading();
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},
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onPullDownRefresh() {
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messageStore.fetchConversations().finally(() => wx.stopPullDownRefresh());
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},
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onReachBottom() {
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if (messageStore.state.conversationsHasMore) {
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messageStore.loadMoreConversations().catch(() => {});
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}
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},
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onGoChat(e) {
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const { conversationId } = e.detail;
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wx.navigateTo({ url: to.chat(conversationId) });
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},
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onEmptyAction(e) {
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if (e.detail.event === 'home') {
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wx.switchTab({ url: ROUTE.TAB.HOME });
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}
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},
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});
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