[FEAT] 사용자 기록 내용 기반 헤드라인 생성 기능 구현

Author: EunbeenDev

src/main/java/com/movelog/domain/news/application/NewsService.java

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+package com.movelog.domain.news.application;
+
+import com.movelog.domain.news.dto.request.NewsHeadLineReq;
+import com.movelog.domain.news.dto.response.HeadLineRes;
+import com.movelog.domain.user.application.UserService;
+import com.movelog.domain.user.domain.User;
+import com.movelog.domain.user.domain.repository.UserRepository;
+import com.movelog.domain.user.exception.UserNotFoundException;
+import com.movelog.global.DefaultAssert;
+import com.movelog.global.config.security.token.UserPrincipal;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class NewsService {
+    private final HeadlineGeneratorService headlineGeneratorService;
+    private final UserService userService;
+    private final UserRepository userRepository;
+
+    public List<HeadLineRes> createHeadLine(UserPrincipal userPrincipal, NewsHeadLineReq newsHeadLineReq) {
+        User user = validateUser(userPrincipal);
+        // id가 5인 유저 정보(테스트용)
+        // User user = userRepository.findById(5L).orElseThrow(UserNotFoundException::new);
+        String option = newsHeadLineReq.getOption();
+        String verb = newsHeadLineReq.getVerb();
+        String noun = newsHeadLineReq.getNoun();
+        return headlineGeneratorService.generateHeadLine(option, verb, noun);
+    }
+
+
+    private User validateUser(UserPrincipal userPrincipal) {
+        Optional<User> userOptional = userService.findById(userPrincipal.getId());
+        DefaultAssert.isOptionalPresent(userOptional);
+        return userOptional.get();
+    }
+}

src/main/java/com/movelog/domain/news/dto/request/NewsHeadLineReq.java

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+package com.movelog.domain.news.dto.request;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class NewsHeadLineReq {
+    @Schema( type = "String", example ="첫 도전, 오랜만에 다시, 꾸준히 이어온 기록, 끊어낸 습관 중 택 1", description="뉴스 헤드라인 고정 옵션입니다.")
+    private String option;
+
+    @Schema( type = "String", example ="했어요, 먹었어요, 갔어요 중 택 1", description="사용자가 선택한 동사 정보입니다.")
+    private String verb;
+
+    @Schema( type = "String", example ="클라이밍", description="사용자가 선택한 명사 정보입니다.")
+    private String noun;
+
+
+}

src/main/java/com/movelog/domain/news/dto/response/HeadLineRes.java

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+package com.movelog.domain.news.dto.response;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class HeadLineRes {
+    @Schema( type = "String", example ="5년 만의 첫 도전, 무엇이 그를 움직이게 했나?", description="뉴스 헤드라인 추천 내용입니다.")
+    private String headLine;
+}

src/main/java/com/movelog/domain/news/presentation/NewsController.java

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+package com.movelog.domain.news.presentation;
+
+import com.movelog.domain.news.application.NewsService;
+import com.movelog.domain.news.dto.request.NewsHeadLineReq;
+import com.movelog.domain.news.dto.response.HeadLineRes;
+import com.movelog.global.config.security.token.CurrentUser;
+import com.movelog.global.config.security.token.UserPrincipal;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+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 java.util.List;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/v1/news")
+@Tag(name = "News", description = "뉴스 관련 API입니다.")
+public class NewsController {
+
+    private final NewsService newsService;
+
+    @Operation(summary = "뉴스 헤드라인 생성 API", description = "뉴스 헤드라인을 생성하는 API입니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "뉴스 헤드라인 생성 성공"),
+            @ApiResponse(responseCode = "400", description = "뉴스 헤드라인 생성 실패")
+    })
+    @PostMapping("/headline")
+    public List<HeadLineRes> createHeadLine(
+            @Parameter(description = "Access Token을 입력해주세요.", required = true) @CurrentUser UserPrincipal userPrincipal,
+            @Parameter(description = "뉴스 헤드라인 생성 요청", required = true) @RequestBody NewsHeadLineReq newsHeadLineReq
+    ) {
+        return newsService.createHeadLine(userPrincipal, newsHeadLineReq);
+    }
+
+
+
+}