✨ feat(聊天): 战区频道

shared/consts/constModules/chatConst.ts

@@ -17,7 +17,7 @@ export const CHANNEL_PREFIX = {
     SYS: 'sys',
     WORLD: 'world',
     GUILD: 'guild',
-    GVG: 'gvg',    // 战区
+    GVG: 'gvg',    // 战区，虽然叫gvg，但是这个战区应该是包括pvp和3v3功能的
     TEAM: 'com_btl_team',
     CITY: 'city',      // 军团活动，诸侯混战，按城池分channel
     GUILD_AUCTION: 'g_auction', // 军团拍卖

shared/db/GroupMessage.ts

@@ -55,8 +55,8 @@ export default class GroupMessage extends BaseModel {
       return result;
     }
 
-    public static async getMsgs(roomId: string, fromSeqId: number, count: number) {
-      const result = await GroupMessageModel.find({ roomId, seqId: { $lt: fromSeqId } }).sort({ seqId: -1 }).limit(count).lean();
+    public static async getMsgs(roomIds: string[], fromSeqId: number, count: number) {
+      const result = await GroupMessageModel.find({ roomId: { $in: roomIds }, seqId: { $lt: fromSeqId } }).sort({ seqId: -1 }).limit(count).lean();
       return result;
     }
 }