feat: 알림(Notification) 관련 API 엔드포인트 구현

Author: MEOHIN

src/main/java/com/back/domain/notification/controller/NotificationController.java

@@ -0,0 +1,44 @@
+package com.back.domain.notification.controller;
+
+import com.back.domain.notification.dto.NotificationGoResponseDto;
+import com.back.domain.notification.dto.NotificationListResponseDto;
+import com.back.domain.notification.service.NotificationService;
+import com.back.global.rsData.RsData;
+import jakarta.validation.constraints.Max;
+import jakarta.validation.constraints.Min;
+import lombok.RequiredArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDateTime;
+
+@RestController
+@RequestMapping("/api/me")
+@RequiredArgsConstructor
+@Validated
+public class NotificationController {
+
+    private final NotificationService notificationService;
+
+    @GetMapping("/notifications")
+    public RsData<NotificationListResponseDto> getNotifications(
+            @AuthenticationPrincipal(expression = "id") Long userId,
+            @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime lastCreatedAt,
+            @RequestParam(required = false) Long lastId,
+            @RequestParam(defaultValue = "20") @Min(1) @Max(100) int limit
+    ) {
+        NotificationListResponseDto body = notificationService.getNotifications(userId, lastCreatedAt, lastId, limit);
+        return RsData.successOf(body);
+    }
+
+    @PostMapping("/notifications/{id}")
+    public RsData<NotificationGoResponseDto> goPostLink(
+            @AuthenticationPrincipal(expression = "id") Long userId,
+            @PathVariable("id") Long notificationId
+    ) {
+        var body = notificationService.markAsReadAndGetPostLink(userId, notificationId);
+        return RsData.successOf(body);
+    }
+}