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danyang-match/miniapp/pages/chat/chat.ts
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/**
* 聊天详情页 U24(TypeScript)
*
* 不变量(AGENTS.md):
* - 第 3 条:Mutual Match 后才能聊天
* - 第 4 条:Block/Unmatch 后会话 canSendMessage=false
* - 第 6 条:单向活动意向不泄露
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import { messageStore, appStore, blockUser } from '../../stores';
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import { messageService } from '../../services';
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import { to, ROUTE, DANGER_ACTION, BUSINESS_ERROR_CODE } from '../../constants';
import type { Message } from '../../types';
/** 超过该间隔则显示时间分隔(5 分钟) */
const TIME_GAP_MS = 5 * 60 * 1000;
interface ChatData {
conversationId: string;
otherDisplayName: string;
otherUserId: string;
otherAvatarUrl: string;
canSend: boolean;
messages: Array<Message & { showTime: boolean; sentAtText: string; showAvatar: boolean; avatarUrl: string }>;
hasMore: boolean;
loading: boolean;
loadingMore: boolean;
sending: boolean;
inputText: string;
scrollIntoView: string;
statusBarHeight: number;
navBarHeight: number;
showDangerDialog: boolean;
dangerAction: string;
connectionState: string;
}
Page({
data: {
conversationId: '',
otherDisplayName: '',
otherUserId: '',
otherAvatarUrl: '',
canSend: true,
messages: [],
hasMore: true,
loading: false,
loadingMore: false,
sending: false,
inputText: '',
scrollIntoView: '',
statusBarHeight: 20,
navBarHeight: 44,
showDangerDialog: false,
dangerAction: DANGER_ACTION.BLOCK,
connectionState: 'disconnected',
},
onLoad(options: Record<string, string | undefined>) {
const conversationId = options.id || '';
if (!conversationId) {
appStore.toast('会话不存在');
wx.navigateBack();
return;
}
try {
const info = (wx.getWindowInfo && wx.getWindowInfo()) || wx.getSystemInfoSync();
this.setData({
statusBarHeight: (info as any).statusBarHeight || 20,
navBarHeight: (info as any).platform === 'android' ? 48 : 44,
});
} catch { /* 默认值 */ }
this.setData({ conversationId });
this._unsubConn = messageStore.bindToPage(this, { connectionState: 'connectionState' });
this._unsubList = messageStore.subscribe((state: any) => this._syncFromStore(state));
this._unsubRealtime = messageStore.onMessage(conversationId, (msg: Message) => {
if (msg.bubbleType === 'other') {
messageStore.markConversationRead(conversationId).catch(() => {});
}
});
messageStore.openConversation(conversationId).catch((err: unknown) => {
appStore.toastError(err instanceof Error ? err.message : '加载失败');
});
this.loadConversationMeta();
},
onUnload() {
this._unsubConn && this._unsubConn();
this._unsubList && this._unsubList();
this._unsubRealtime && this._unsubRealtime();
if (this.data.conversationId) {
messageStore.closeConversation();
}
},
async loadConversationMeta() {
try {
// @ts-ignore
const conv = await messageService.getConversation(this.data.conversationId);
if (conv) {
this.setData({
otherDisplayName: (conv as any).targetDisplayName || (conv as any).otherDisplayName || '用户',
otherUserId: (conv as any).targetUserId || '',
otherAvatarUrl: (conv as any).targetAvatarUrl || '',
canSend: (conv as any).canSendMessage !== false,
});
}
} catch (err: unknown) {
const local = (messageStore.state as any).conversations?.find(
(c: any) => c.conversationId === this.data.conversationId,
);
if (local) {
this.setData({
otherDisplayName: local.targetDisplayName || '用户',
otherUserId: local.targetUserId || '',
otherAvatarUrl: local.targetAvatarUrl || '',
canSend: local.canSendMessage !== false,
});
} else {
appStore.toastError(err instanceof Error ? err.message : '加载失败');
}
}
},
_syncFromStore(state: any) {
const cid = this.data.conversationId;
const rawList: Message[] = state.messagesByConversation?.[cid] || [];
const hasMore = state.hasMoreByConversation?.[cid] !== false;
const loading = state.conversationsLoading;
const messages = this._formatMessageList(rawList);
const patch: Partial<ChatData> = { messages, hasMore };
if (loading !== this.data.loading) patch.loading = loading;
this.setData(patch);
if (this._loadingMore && this._preserveMsgId) {
const idx = messages.findIndex((m) => m.messageId === this._preserveMsgId);
if (idx >= 0) this.setData({ scrollIntoView: `msg-${idx}` });
this._loadingMore = false;
this._preserveMsgId = null;
} else {
this._scrollToLast(messages);
}
},
_formatMessageList(list: Message[]) {
const otherAvatar = this.data.otherAvatarUrl;
const result: Array<Message & { showTime: boolean; sentAtText: string; showAvatar: boolean; avatarUrl: string }> = [];
let lastTs = 0;
for (let i = 0; i < list.length; i++) {
const m = list[i];
const ts = (m as any).sentAt || 0;
const showTime = i === 0 || (ts && ts - lastTs > TIME_GAP_MS);
result.push({
...m,
showTime,
sentAtText: showTime ? this._formatTime(ts) : '',
showAvatar: m.bubbleType === 'other',
avatarUrl: m.bubbleType === 'other' ? otherAvatar : '',
});
lastTs = ts;
}
return result;
},
_formatTime(ts: number | string): string {
if (!ts) return '';
const d = new Date(Number(ts));
const now = new Date();
const hm = d.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
if (d.toDateString() === now.toDateString()) return hm;
return `${d.getMonth() + 1}/${d.getDate()} ${hm}`;
},
_scrollToLast(list: typeof this.data.messages) {
if (!list.length) return;
const id = `msg-${list.length - 1}`;
if (id !== this.data.scrollIntoView) this.setData({ scrollIntoView: id });
},
onBack() {
const pages = getCurrentPages();
if (pages.length > 1) wx.navigateBack();
else wx.switchTab({ url: ROUTE.TAB.MESSAGES });
},
onInput(e: any) {
this.setData({ inputText: (e as any).detail.value });
},
async onSend() {
const { inputText, conversationId, sending, canSend } = this.data;
if (!canSend || !inputText.trim() || sending) return;
this.setData({ sending: true, inputText: '' });
try {
// @ts-ignore
await messageStore.sendMessage(conversationId, inputText.trim());
} catch (err: unknown) {
const code = (err as any)?.code;
if (code === BUSINESS_ERROR_CODE.MATCH_REQUIRED) {
appStore.toast('双方互相喜欢后才能开始聊天');
} else {
appStore.toastError(err instanceof Error ? err.message : '发送失败');
}
} finally {
this.setData({ sending: false });
}
},
onRetrySend(e: any) {
const messageId = (e.currentTarget.dataset as any).msgId as string | undefined;
if (!messageId) return;
// @ts-ignore
messageStore.retrySend(this.data.conversationId, messageId).catch((err: unknown) => {
appStore.toastError(err instanceof Error ? err.message : '重发失败');
});
},
async onScrollToUpper() {
const { conversationId, hasMore, loadingMore } = this.data;
if (!hasMore || loadingMore) return;
const first = this.data.messages[0];
this._loadingMore = true;
this._preserveMsgId = first?.messageId || null;
this.setData({ loadingMore: true });
try {
// @ts-ignore
await messageStore.loadMoreMessages(conversationId);
} catch (err: unknown) {
appStore.toastError(err instanceof Error ? err.message : '加载失败');
this._loadingMore = false;
this._preserveMsgId = null;
} finally {
this.setData({ loadingMore: false });
}
},
onMore() {
const { otherUserId } = this.data;
if (!otherUserId) { appStore.toast('暂无更多信息'); return; }
wx.showActionSheet({
itemList: ['查看 Ta 的资料', '举报 Ta', '拉黑 Ta'],
success: (res) => {
if (res.tapIndex === 0) wx.navigateTo({ url: to.detail(otherUserId) });
else if (res.tapIndex === 1) wx.navigateTo({ url: to.report(otherUserId) });
else if (res.tapIndex === 2) this.setData({ showDangerDialog: true, dangerAction: DANGER_ACTION.BLOCK });
},
});
},
async onConfirmDanger(e: WechatMiniprogram.CustomEvent) {
const action = (e.detail as any)?.action as string | undefined;
const { otherUserId } = this.data;
this.setData({ showDangerDialog: false });
if (action !== DANGER_ACTION.BLOCK) return;
try {
appStore.showLoading('处理中…');
await blockUser(otherUserId, '用户主动拉黑');
appStore.hideLoading();
this.setData({ canSend: false });
appStore.toastSuccess('已拉黑');
} catch (err: unknown) {
appStore.hideLoading();
appStore.toastError(err instanceof Error ? err.message : '操作失败');
}
},
onCancelDanger() {
this.setData({ showDangerDialog: false });
},
_unsubConn: (() => {}) as () => void,
_unsubList: (() => {}) as () => void,
_unsubRealtime: (() => {}) as () => void,
_loadingMore: false,
_preserveMsgId: null as string | null,
});