2025-09-30

未读变已读
查询列表排序

src/service/message.service.ts

@@ -0,0 +1,23 @@
+import {Injectable} from "@nestjs/common";
+import {ReadDto} from "../entity";
+import {RedisService} from "./redis.service";
+import {ResultData} from "../const/result";
+
+@Injectable()
+export class MessageService {
+    constructor(private readonly redisService: RedisService) {
+    }
+
+    // 获取未读消息
+    async getUnread(readDto: ReadDto) {
+        let data = await this.redisService.getValue(`${readDto.groupId}_${readDto.userId}`)
+        data = data == null ? [] : JSON.parse(data)
+        return ResultData.success(data)
+    }
+
+    // 未读 -> 已读
+    async read(readDto: ReadDto) {
+        this.redisService.delValue(`${readDto.groupId}_${readDto.userId}`)
+        return ResultData.success()
+    }
+}