show last messae and date

src/app/core/chat/entity/group.ts

@@ -1,6 +1,7 @@
 import { SessionStore } from "src/app/store/session.service";
 import { BaseEntity } from "src/app/utils/entity";
 import { z } from "zod"
+import { MessageEntitySchema } from "./message";
 
 export enum RoomType {
   Group = 1,
@@ -33,12 +34,13 @@ export const RoomEntitySchema = z.object({
   createdAt: z.any(),
   expirationDate: z.any().nullable(),
   roomType: z.nativeEnum(RoomType),
-  members: z.array(MemberSchema).optional()
+  members: z.array(MemberSchema).optional(),
+  messages: MessageEntitySchema.array().optional()
 })
 
-export type IRoomEntity = z.infer<typeof RoomEntitySchema>
+export type IRoom = z.infer<typeof RoomEntitySchema>
 
-export class RoomEntity  extends BaseEntity<RoomEntity>(RoomEntitySchema) implements IRoomEntity{
+export class RoomEntity  extends BaseEntity<RoomEntity>(RoomEntitySchema) implements IRoom{
 
   id: typeof RoomEntitySchema._input.id
   roomName: typeof RoomEntitySchema._input.roomName
@@ -47,8 +49,10 @@ export class RoomEntity  extends BaseEntity<RoomEntity>(RoomEntitySchema) implem
   expirationDate: typeof RoomEntitySchema._input.expirationDate
   roomType: typeof RoomEntitySchema._input.roomType
   members: typeof RoomEntitySchema._input.members
+  messages: typeof RoomEntitySchema._input.messages
+  displayDate = ''
 
-  constructor(data: IRoomEntity) {
+  constructor(data: IRoom) {
     super();
     Object.assign(this, data)
     if(data.roomType == RoomType.Direct) {

src/app/core/chat/entity/message.ts

@@ -36,7 +36,7 @@ export const MessageEntitySchema = z.object({
     wxUserId: z.number(),
     wxFullName: z.string(),
     wxeMail: z.string(),
-    userPhoto: z.string(),
+    userPhoto: z.string().nullable(),
   }),
   reactions: z.object({
     id: z.string(),
@@ -61,7 +61,7 @@ export const MessageEntitySchema = z.object({
     mimeType: z.string().optional(),
     safeFile: z.any().optional(),
     description: z.string().nullable().optional()
-  })).optional()
+  })).optional(),
 })
 
 export type IMessage = z.infer<typeof MessageEntitySchema>;