[Feature] 일기 생성 API

.gitignore

@@ -34,4 +34,4 @@ out/
 /.nb-gradle/
 
 ### VS Code ###
-.vscode/
+.vscode/

build.gradle

@@ -24,15 +24,38 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-web'
-    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-    implementation 'org.springframework.boot:spring-boot-starter-validation'
-    developmentOnly 'org.springframework.boot:spring-boot-devtools'
-    compileOnly 'org.projectlombok:lombok'
-    runtimeOnly 'com.mysql:mysql-connector-j'
-    annotationProcessor 'org.projectlombok:lombok'
-    testImplementation 'org.springframework.boot:spring-boot-starter-test'
-    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa:3.0.4'
+    implementation 'org.springframework.boot:spring-boot-starter-web:3.1.0'
+    testImplementation 'org.projectlombok:lombok:1.18.26'
+    compileOnly 'org.projectlombok:lombok:1.18.26'
+    runtimeOnly 'com.mysql:mysql-connector-j:8.0.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.26'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.1.0'
+
+    implementation 'org.hibernate.validator:hibernate-validator:8.0.1.Final'
+    implementation 'jakarta.validation:jakarta.validation-api:3.0.2'
+
+    implementation 'com.squareup.okhttp3:okhttp:4.9.3'
+
+    // Spring Doc
+    implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.0.4'
+
+    // Spring Security
+    implementation 'org.springframework.boot:spring-boot-starter-security:3.0.4'
+
+    // JWT
+    implementation 'io.jsonwebtoken:jjwt-api:0.11.5'
+    implementation 'io.jsonwebtoken:jjwt-impl:0.11.5'
+    implementation 'io.jsonwebtoken:jjwt-jackson:0.11.5'
+
+    // chatGPT API
+    implementation 'io.github.flashvayne:chatgpt-spring-boot-starter:1.0.4'
+
+    // JSON 라이브러리
+    implementation 'org.json:json:20230227'
+
+    implementation 'org.springframework:spring-test:6.0.6'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.1.0'
 }
 
 tasks.named('test') {

src/main/java/com/bamboo/log/diary/api/DiaryController.java

@@ -0,0 +1,33 @@
+package com.bamboo.log.diary.api;
+
+import com.bamboo.log.diary.dto.request.CreateDiaryRequest;
+import com.bamboo.log.diary.service.diary.DiaryService;
+import com.bamboo.log.utils.ResponseHandler;
+import com.bamboo.log.utils.dto.ResponseForm;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import io.swagger.v3.oas.annotations.tags.Tag;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/diary")
+@Tag(name = "Diary API", description = "일기 관련 API")
+public class DiaryController {
+
+    private final DiaryService diaryService;
+
+    @Operation(summary = "랜덤 주제 조회")
+    @PostMapping("/create")
+    public ResponseEntity lookupRandomTopics(@RequestBody CreateDiaryRequest createDiaryRequest) {
+        try {
+            return diaryService.createDiary(createDiaryRequest);
+        } catch (Exception e) {
+            return ResponseHandler.create500Error(new ResponseForm(), e);
+        }
+    }
+}

src/main/java/com/bamboo/log/diary/domain/Diary.java

@@ -0,0 +1,33 @@
+package com.bamboo.log.diary.domain;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Table(name = "diaries")
+public class Diary {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "diary_id")
+    private Long id;
+
+    @Column(nullable = false)
+    private String userId;
+
+    @Column(columnDefinition = "TEXT", nullable = false)
+    private String context;
+
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+
+}

src/main/java/com/bamboo/log/diary/domain/TodaySummary.java

@@ -0,0 +1,29 @@
+package com.bamboo.log.diary.domain;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "today_summaries")
+public class TodaySummary {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Column(nullable = false)
+    private Long diaryId;
+
+    @Lob
+    @Column(columnDefinition = "LONGBLOB", nullable = false)
+    private byte[] imageData;
+
+}
+

src/main/java/com/bamboo/log/diary/dto/request/CreateDiaryRequest.java

@@ -0,0 +1,9 @@
+package com.bamboo.log.diary.dto.request;
+
+import jakarta.validation.constraints.NotEmpty;
+
+import java.util.List;
+
+public record CreateDiaryRequest(@NotEmpty(message = "User's Id shouldn't be empty") String userId,
+                                 @NotEmpty(message = "Diary Description shouldn't be empty") String diaryDetail) {
+}

src/main/java/com/bamboo/log/diary/dto/response/CreateDiaryResponse.java

@@ -0,0 +1,8 @@
+package com.bamboo.log.diary.dto.response;
+
+import jakarta.validation.constraints.NotEmpty;
+
+import java.time.LocalDateTime;
+
+public record CreateDiaryResponse(@NotEmpty(message = "created shouldn't be empty") LocalDateTime created) {
+}

src/main/java/com/bamboo/log/diary/repository/DiaryRepository.java

@@ -0,0 +1,7 @@
+package com.bamboo.log.diary.repository;
+
+import com.bamboo.log.diary.domain.Diary;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface DiaryRepository extends JpaRepository<Diary, Long> {
+}

src/main/java/com/bamboo/log/diary/repository/TodaySummaryRepository.java

@@ -0,0 +1,7 @@
+package com.bamboo.log.diary.repository;
+
+import com.bamboo.log.diary.domain.TodaySummary;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface TodaySummaryRepository extends JpaRepository<TodaySummary, Long> {
+}

src/main/java/com/bamboo/log/diary/service/diary/DiaryService.java

@@ -0,0 +1,10 @@
+package com.bamboo.log.diary.service.diary;
+
+import com.bamboo.log.diary.dto.request.CreateDiaryRequest;
+import org.springframework.http.ResponseEntity;
+
+public interface DiaryService {
+
+    ResponseEntity createDiary(CreateDiaryRequest createDiaryRequest);
+
+}

src/main/java/com/bamboo/log/diary/service/diary/DiaryServiceImpl.java

@@ -0,0 +1,70 @@
+package com.bamboo.log.diary.service.diary;
+
+import com.bamboo.log.diary.domain.Diary;
+import com.bamboo.log.diary.dto.request.CreateDiaryRequest;
+import com.bamboo.log.diary.dto.response.CreateDiaryResponse;
+import com.bamboo.log.diary.repository.DiaryRepository;
+import com.bamboo.log.diary.repository.TodaySummaryRepository;
+import com.bamboo.log.diary.service.mock.UserService;
+import com.bamboo.log.diary.service.summary.TodaySummaryService;
+import com.bamboo.log.utils.ResponseHandler;
+import com.bamboo.log.utils.dto.ResponseForm;
+import jakarta.persistence.EntityNotFoundException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class DiaryServiceImpl implements DiaryService {
+
+    private final UserService userService;
+    private final DiaryRepository diaryRepository;
+    private final TodaySummaryService todaySummaryService;
+
+    @Override
+    public ResponseEntity createDiary(CreateDiaryRequest createDiaryRequest) {
+
+        // User 객체 검증 로직
+        // 해당 User 객체 찾을 수 없을 경우, 에러 반환
+        if(userService.existsById(createDiaryRequest.userId())) {
+            return ResponseHandler.create404Error(new ResponseForm(), new EntityNotFoundException("잘못된 유저 정보입니다."));
+        }
+
+        // 해당 시점의 localDateTime 저장
+        LocalDateTime localDateTime = LocalDateTime.now();
+
+        // alice api 연결 함수 호출
+
+        // 데이터베이스에 저장
+        Diary diary = saveDiary(createDiaryRequest, localDateTime);
+
+        byte[] todayImage = todaySummaryService.createTodaySummaryImage(createDiaryRequest.diaryDetail());
+
+        // todaySummaryImage 데이터베이스에 저장
+        try {
+            todaySummaryService.saveTodaySummaryImage(todayImage, diary.getId());
+        } catch (IOException e) {
+            return ResponseHandler.create500Error(new ResponseForm(), e);
+        }
+
+        // 201 code 반환
+        return ResponseHandler.create201Response(new ResponseForm(), new CreateDiaryResponse(localDateTime));
+    }
+
+    private Diary saveDiary(CreateDiaryRequest createDiaryRequest, LocalDateTime localDateTime) {
+        Diary diary = Diary.builder()
+                .userId(createDiaryRequest.userId())
+                .context(createDiaryRequest.diaryDetail())
+                .createdAt(localDateTime)
+                .build();
+
+        return diaryRepository.save(diary);
+    }
+
+}

src/main/java/com/bamboo/log/diary/service/mock/MockUserService.java

@@ -0,0 +1,12 @@
+package com.bamboo.log.diary.service.mock;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class MockUserService implements UserService {
+
+    @Override
+    public boolean existsById(String userId) {
+        return true;
+    }
+}

src/main/java/com/bamboo/log/diary/service/mock/UserService.java

@@ -0,0 +1,5 @@
+package com.bamboo.log.diary.service.mock;
+
+public interface UserService {
+    boolean existsById(String userId);
+}

src/main/java/com/bamboo/log/diary/service/summary/TodaySummaryService.java

@@ -0,0 +1,11 @@
+package com.bamboo.log.diary.service.summary;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+
+public interface TodaySummaryService {
+
+    void saveTodaySummaryImage(byte[] image, Long diaryId) throws IOException;
+    byte[] createTodaySummaryImage(String prompt);
+}

src/main/java/com/bamboo/log/diary/service/summary/TodaySummaryServiceImpl.java

@@ -0,0 +1,46 @@
+package com.bamboo.log.diary.service.summary;
+
+import com.bamboo.log.diary.domain.TodaySummary;
+import com.bamboo.log.diary.repository.TodaySummaryRepository;
+import com.bamboo.log.elice.service.ImageGenerationService;
+import com.bamboo.log.utils.ResponseHandler;
+import com.bamboo.log.utils.dto.ResponseForm;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.util.Optional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class TodaySummaryServiceImpl implements TodaySummaryService {
+
+    private final TodaySummaryRepository todaySummaryRepository;
+    private final ImageGenerationService imageGenerationService;
+
+    @Override
+    public void saveTodaySummaryImage(byte[] image, Long diaryId) throws IOException {
+        TodaySummary todaySummary = TodaySummary.builder()
+                .diaryId(diaryId)
+                .imageData(image)
+                .build();
+
+        todaySummaryRepository.save(todaySummary);
+    }
+
+    @Override
+    public byte[] createTodaySummaryImage(String prompt) {
+        try {
+            byte[] imageBytes = imageGenerationService.generateImage(prompt);
+
+            return imageBytes;
+        } catch (IOException e) {
+            throw new RuntimeException("이미지 생성 중에 문제가 발생했습니다.");
+        }
+
+    }
+
+}

src/main/java/com/bamboo/log/elice/config/RestTemplateConfig.java

@@ -0,0 +1,14 @@
+package com.bamboo.log.elice.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate();
+    }
+}