优化聊天：配对群组、稳定连接、消息列表与订单详情跳转

Co-authored-by: Cursor <cursoragent@cursor.com>

utils/group-chat.js

@@ -0,0 +1,112 @@
+/**
+ * 打手-商家/老板配对群：group_Ds{打手}_Sj{商家} 或 group_Ds{打手}_Boss{老板}
+ */
+export const ORDER_CARD_PREFIX = '[ORDER_CARD]';
+
+const ZHUANGTAI_MAP = {
+  1: '已下单', 2: '进行中', 3: '已完成', 4: '退款中',
+  5: '已退款', 6: '退款失败', 7: '指定中', 8: '结算中',
+};
+
+export function isPairGroupId(groupId) {
+  return /^group_Ds\w+_(Sj|Boss)\w+$/.test(groupId || '');
+}
+
+export function parsePairGroupId(groupId) {
+  if (!groupId) return null;
+  let m = /^group_Ds(\w+)_Sj(\w+)$/.exec(groupId);
+  if (m) return { dashouId: `Ds${m[1]}`, partnerId: `Sj${m[2]}`, partnerRole: 'shangjia' };
+  m = /^group_Ds(\w+)_Boss(\w+)$/.exec(groupId);
+  if (m) return { dashouId: `Ds${m[1]}`, partnerId: `Boss${m[2]}`, partnerRole: 'boss' };
+  return null;
+}
+
+export function getCounterpartGoEasyId(groupId, myGoEasyId) {
+  const parsed = parsePairGroupId(groupId);
+  if (!parsed || !myGoEasyId) return null;
+  if (myGoEasyId === parsed.dashouId) return parsed.partnerId;
+  if (myGoEasyId === parsed.partnerId) return parsed.dashouId;
+  return null;
+}
+
+export function parseOrderCardText(text) {
+  if (!text || !text.startsWith(ORDER_CARD_PREFIX)) return null;
+  try {
+    const data = JSON.parse(text.slice(ORDER_CARD_PREFIX.length));
+    return {
+      orderId: data.dingdan_id,
+      jieshao: data.jieshao || '',
+      jine: data.jine || '',
+      beizhu: data.beizhu || '',
+      zhuangtai: data.zhuangtai,
+      nicheng: data.nicheng || '',
+      create_time: data.create_time || '',
+    };
+  } catch (e) {
+    return null;
+  }
+}
+
+export function normalizeGroupMessage(msg) {
+  if (!msg) return msg;
+  if (msg.type === 'text' && msg.payload && msg.payload.text) {
+    const card = parseOrderCardText(msg.payload.text);
+    if (card) {
+      msg.type = 'order';
+      msg.payload = card;
+    }
+  }
+  return msg;
+}
+
+export function formatLastMessagePreview(msg) {
+  if (!msg) return '';
+  if (msg.type === 'text' && msg.payload && msg.payload.text) {
+    const card = parseOrderCardText(msg.payload.text);
+    if (card) return `[订单] ${card.jieshao || card.orderId}`;
+    return msg.payload.text;
+  }
+  if (msg.type === 'order' && msg.payload) {
+    return `[订单] ${msg.payload.jieshao || msg.payload.orderId || ''}`;
+  }
+  if (msg.type === 'image') return '[图片]';
+  return '[消息]';
+}
+
+export function enrichGroupConversation(item, myGoEasyId, defaultAvatar, ossBase) {
+  if (!item || item.type !== 'group') return item;
+  if (!item.data) item.data = {};
+
+  const counterpartId = getCounterpartGoEasyId(item.groupId, myGoEasyId);
+  if (counterpartId) {
+    item.data.counterpartId = counterpartId;
+    if (!item.data.name || item.data.name === item.groupId) {
+      item.data.name = `用户${counterpartId.replace(/^(Ds|Sj|Boss)/, '').slice(-6)}`;
+    }
+  }
+
+  if (item.lastMessage && item.lastMessage.senderId && item.lastMessage.senderId !== myGoEasyId) {
+    const sd = item.lastMessage.senderData || {};
+    if (sd.avatar) item.data.avatar = sd.avatar;
+    if (sd.name) item.data.name = sd.name;
+  }
+
+  let avatar = item.data.avatar || '';
+  if (avatar && !avatar.startsWith('http')) {
+    avatar = (ossBase || '') + avatar.replace(/^\//, '');
+  }
+  item.data.avatar = avatar || defaultAvatar;
+
+  if (item.data.orderZhuangtai != null) {
+    item.data.orderZhuangtaiText = ZHUANGTAI_MAP[item.data.orderZhuangtai] || '';
+  }
+
+  item.displayLastMsg = formatLastMessagePreview(item.lastMessage);
+  return item;
+}
+
+export function isOrderGroupConversation(c) {
+  if (!c || c.type !== 'group') return false;
+  if (c.data && c.data.orderId) return true;
+  return isPairGroupId(c.groupId) || /^group_\w+$/.test(c.groupId || '');
+}