feat: 增加获取群名字并缓存

wai-server/core/baileys/index.js

@@ -7,7 +7,7 @@ const {
   makeInMemoryStore,
   useMultiFileAuthState,
   downloadMediaMessage,
-  isJidUser
+  isJidUser, isJidGroup
 } = require('@whiskeysockets/baileys');
 const fs = require('fs');
 const path = require('path');
@@ -28,6 +28,8 @@ const createWhatsApp = async phone => {
   const whatsAppNo = phone;
   // 缓存 msgId-externalId，过期时间为 5 分钟
   const externalIdCache = new NodeCache({ stdTTL: 60*5 });
+  // 缓存群信息，过期时间为 5 分钟
+  const groupSubjectCache = new NodeCache({ stdTTL: 60*60*24 });
   const logger = P({ timestamp: () => `,"time":"${new Date().toJSON()}"` }, P.destination('./logs/wa-logs-' + phone + '_' + channelId + '.txt'));
   logger.level = 'trace';
   const msgRetryCounterCache = new NodeCache();
@@ -83,6 +85,13 @@ const createWhatsApp = async phone => {
           const messageType = Object.keys(msg.message)[0];
           const remoteNo = decodeJid(msg.key.remoteJid);
           const externalId = externalIdCache.get(msg.key.id);
+          const isGroup = isJidGroup(msg.key.remoteJid);
+          let groupSubject = groupSubjectCache.get(msg.key.remoteJid)
+          if (isGroup && groupSubject === undefined) {
+            const groupMetadata = await waSocket.groupMetadata(msg.key.remoteJid);
+            groupSubject = groupMetadata.subject;
+            groupSubjectCache.set(msg.key.remoteJid, groupMetadata.subject)
+          }
 
           if (msg.message?.conversation || msg.message?.extendedTextMessage?.text) {
 
@@ -102,6 +111,7 @@ const createWhatsApp = async phone => {
                 },
                 conversation: {
                   type: isJidUser(msg.key.remoteJid) ? 'individual' : 'group',
+                  name: groupSubject,
                 },
                 customerProfile: {
                   id: decodeJid(msg.key.participant),
@@ -126,6 +136,7 @@ const createWhatsApp = async phone => {
                 },
                 conversation: {
                   type: isJidUser(msg.key.remoteJid) ? 'individual' : 'group',
+                  name: groupSubject,
                 },
                 customerProfile: {
                   id: decodeJid(msg.key.participant),