[feat] #17 관리자 공지사항 작성 기능 추가

src/main/java/com/example/eatmate/app/domain/notice/controller/NoticeAdminController.java

@@ -0,0 +1,35 @@
+package com.example.eatmate.app.domain.notice.controller;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.eatmate.app.domain.notice.dto.NoticeAdminRequestDto;
+import com.example.eatmate.app.domain.notice.service.NoticeService;
+import com.example.eatmate.global.response.GlobalResponseDto;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequestMapping("/api/admin/notices")
+@RequiredArgsConstructor
+public class NoticeAdminController {
+
+	private final NoticeService noticeService;
+
+	@PostMapping
+	public ResponseEntity<GlobalResponseDto<Void>> save(
+		@RequestBody @Valid NoticeAdminRequestDto noticeAdminRequestDto) {
+
+		noticeService.createNotice(noticeAdminRequestDto);
+
+		return ResponseEntity.status(HttpStatus.OK)
+			.body(GlobalResponseDto.success());
+
+	}
+
+}

src/main/java/com/example/eatmate/app/domain/notice/service/NoticeService.java

@@ -0,0 +1,21 @@
+package com.example.eatmate.app.domain.notice.service;
+
+import org.springframework.stereotype.Service;
+
+import com.example.eatmate.app.domain.notice.domain.Notice;
+import com.example.eatmate.app.domain.notice.domain.repository.NoticeRepository;
+import com.example.eatmate.app.domain.notice.dto.NoticeAdminRequestDto;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class NoticeService {
+
+	private final NoticeRepository noticeRepository;
+
+	public void createNotice(NoticeAdminRequestDto noticeAdminRequestDto) {
+		Notice notice = Notice.createNotice(noticeAdminRequestDto);
+		noticeRepository.save(notice);
+	}
+}