add notification API

GET /notification
DELETE /notification
POST /notification/read

Change-Id: I06f28ce188049015cb6a0fe221caf2f784687db5
diff --git a/src/main/java/com/g9/g9backend/controller/NotificationController.java b/src/main/java/com/g9/g9backend/controller/NotificationController.java
index c774041..55a30f3 100644
--- a/src/main/java/com/g9/g9backend/controller/NotificationController.java
+++ b/src/main/java/com/g9/g9backend/controller/NotificationController.java
@@ -1,9 +1,15 @@
 package com.g9.g9backend.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.g9.g9backend.pojo.Notification;
+import com.g9.g9backend.service.NotificationService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
 
 /**
  * NotificationController 通知控制器类,处理与通知相关的请求
@@ -14,5 +20,46 @@
 @RequestMapping("/notification")
 public class NotificationController {
 
+    private final NotificationService notificationService;
+
+    public NotificationController(NotificationService notificationService) {
+        this.notificationService = notificationService;
+    }
+
     private final Logger logger = LoggerFactory.getLogger(NotificationController.class);
+
+    @PostMapping(value = "/read")
+    public ResponseEntity<String> getNotificationRead(@RequestBody Notification notification) {
+        Integer notificationId = notification.getNotificationId();
+        System.out.println(notificationId);
+        Notification notificationUpdate = notificationService.getById(notificationId);
+        notificationUpdate.setRead(true);
+        notificationService.updateById(notificationUpdate);
+
+        return ResponseEntity.ok("");
+    }
+
+    @DeleteMapping
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public ResponseEntity<String> deleteNotification(@RequestParam Integer notificationId) {
+        notificationService.removeById(notificationId);
+
+        return ResponseEntity.noContent().build();
+    }
+
+    @GetMapping
+    public ResponseEntity<IPage<Notification>> getNotification(@RequestParam Integer userId,
+                                                               @RequestParam Integer pageNumber,
+                                                               @RequestParam Integer rows) {
+        Page<Notification> pageNotification = new Page<>(pageNumber, rows);
+        LambdaQueryWrapper<Notification> query = new LambdaQueryWrapper<Notification>()
+                .eq(Notification::getUserId, userId)
+                .orderByDesc(Notification::getCreateAt);
+
+        IPage<Notification> result = notificationService.page(pageNotification, query);
+        logger.info("通知已返回");
+
+        return ResponseEntity.ok(result);
+    }
+
 }