[feat] 닉네임 중복 검사, 칭호 선택 view api 개발

build.gradle

@@ -24,21 +24,53 @@ repositories {
 }
 
 dependencies {
+	// Spring Boot 스타터
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 //	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.boot:spring-boot-starter-data-redis'
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
+
+	// Lombok
 	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
 
+	// Runtime DB 드라이버
 	runtimeOnly 'com.h2database:h2'
 	runtimeOnly 'com.mysql:mysql-connector-j'
-	annotationProcessor 'org.projectlombok:lombok'
+
+	// Test
 	testImplementation 'org.assertj:assertj-core:3.24.2'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 //	testImplementation 'org.springframework.security:spring-security-test'
 	testImplementation 'com.h2database:h2:2.1.214'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+	// Querydsl
+	implementation 'com.querydsl:querydsl-jpa:5.0.0:jakarta'
+	annotationProcessor "com.querydsl:querydsl-apt:5.0.0:jakarta"
+	annotationProcessor "jakarta.annotation:jakarta.annotation-api"
+	annotationProcessor "jakarta.persistence:jakarta.persistence-api"
+}
+
+def querydslDir = layout.buildDirectory.dir("generated/querydsl").get().asFile
+
+// QueryDSL Q-클래스는 compileJava 단계에서만 생성
+tasks.named('compileJava', org.gradle.api.tasks.compile.JavaCompile) {
+	options.generatedSourceOutputDirectory.set(querydslDir)
+}
+
+// test 컴파일 단계에서는 어노테이션 프로세서를 비워서 Q-클래스 중복 생성 방지
+tasks.named('compileTestJava', org.gradle.api.tasks.compile.JavaCompile) {
+	options.annotationProcessorPath = files()
+}
+
+sourceSets {
+	main.java.srcDirs += [ querydslDir ]
+}
+
+clean.doLast {
+	file(querydslDir).deleteDir()
 }
 
 tasks.named('test') {

src/main/java/konkuk/thip/config/QuerydslConfig.java

@@ -0,0 +1,19 @@
+package konkuk.thip.config;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class QuerydslConfig {
+
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    @Bean
+    public JPAQueryFactory jpaQueryFactory() {
+        return new JPAQueryFactory(entityManager);
+    }
+}

src/main/java/konkuk/thip/user/adapter/in/web/UserCommandController.java

@@ -1,10 +1,12 @@
 package konkuk.thip.user.adapter.in.web;
 
 import konkuk.thip.common.dto.BaseResponse;
-import konkuk.thip.user.adapter.in.web.request.UserSignupRequest;
-import konkuk.thip.user.adapter.in.web.response.UserSignupResponse;
+import konkuk.thip.user.adapter.in.web.request.PostUserSignupRequest;
+import konkuk.thip.user.adapter.in.web.request.PostUserVerifyNicknameRequest;
+import konkuk.thip.user.adapter.in.web.response.PostUserSignupResponse;
+import konkuk.thip.user.adapter.in.web.response.PostUserVerifyNicknameResponse;
 import konkuk.thip.user.application.port.in.UserSignupUseCase;
-import konkuk.thip.user.application.port.in.dto.UserSignupCommand;
+import konkuk.thip.user.application.port.in.VerifyNicknameUseCase;
 import lombok.RequiredArgsConstructor;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -16,11 +18,19 @@
 public class UserCommandController {
 
     private final UserSignupUseCase userSignupUseCase;
+    private final VerifyNicknameUseCase verifyNicknameUseCase;
 
     @PostMapping("/users/signup")
-    public BaseResponse<UserSignupResponse> signup(@Validated @RequestBody UserSignupRequest request) {
-        return BaseResponse.ok(UserSignupResponse.of(
+    public BaseResponse<PostUserSignupResponse> signup(@Validated @RequestBody PostUserSignupRequest request) {
+        return BaseResponse.ok(PostUserSignupResponse.of(
                 userSignupUseCase.signup(request.toCommand()))
         );
     }
+
+    @PostMapping("/users/nickname")
+    public BaseResponse<PostUserVerifyNicknameResponse> verifyNickname(@Validated @RequestBody PostUserVerifyNicknameRequest request) {
+        return BaseResponse.ok(PostUserVerifyNicknameResponse.of(
+                verifyNicknameUseCase.isNicknameUnique(request.nickname()))
+        );
+    }
 }

src/main/java/konkuk/thip/user/adapter/in/web/UserQueryController.java

@@ -1,10 +1,22 @@
 package konkuk.thip.user.adapter.in.web;
 
+import konkuk.thip.common.dto.BaseResponse;
+import konkuk.thip.user.adapter.in.web.response.GetUserShowAliasChoiceResponse;
+import konkuk.thip.user.application.port.in.ShowAliasChoiceViewUseCase;
 import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequiredArgsConstructor
 public class UserQueryController {
 
+    private final ShowAliasChoiceViewUseCase showAliasChoiceViewUseCase;
+
+    @GetMapping("/users/alias")
+    public BaseResponse<GetUserShowAliasChoiceResponse> showAliasChoiceView() {
+        return BaseResponse.ok(GetUserShowAliasChoiceResponse.of(
+                showAliasChoiceViewUseCase.getAllAliasesAndCategories()
+        ));
+    }
 }

src/main/java/konkuk/thip/user/adapter/in/web/request/UserSignupRequest.java → src/main/java/konkuk/thip/user/adapter/in/web/request/PostUserSignupRequest.java

@@ -1,17 +1,14 @@
 package konkuk.thip.user.adapter.in.web.request;
 
-import jakarta.validation.constraints.Email;
-import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.*;
 import konkuk.thip.user.application.port.in.dto.UserSignupCommand;
-import org.hibernate.validator.constraints.Length;
 
-public record UserSignupRequest(
+public record PostUserSignupRequest(
         @NotNull(message = "aliasId는 필수입니다.")
         Long aliasId,
 
-        @NotBlank(message = "닉네임은 공백일 수 없습니다.")
-        @Length(max = 10, message = "닉네임은 최대 10자 입니다.")
+        @Pattern(regexp = "[가-힣a-zA-Z0-9]+", message = "닉네임은 한글, 영어, 숫자로만 구성되어야 합니다.(공백불가)")
+        @Size(max = 10, message = "닉네임은 최대 10자 입니다.")
         String nickname,
 
         @NotBlank(message = "이메일은 공백일 수 없습니다.")

src/main/java/konkuk/thip/user/adapter/in/web/request/PostUserVerifyNicknameRequest.java

@@ -0,0 +1,11 @@
+package konkuk.thip.user.adapter.in.web.request;
+
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+
+public record PostUserVerifyNicknameRequest(
+        @Pattern(regexp = "[가-힣a-zA-Z0-9]+", message = "닉네임은 한글, 영어, 숫자로만 구성되어야 합니다.(공백불가)")
+        @Size(max = 10, message = "닉네임은 최대 10자 입니다.")
+        String nickname
+) {
+}

src/main/java/konkuk/thip/user/adapter/in/web/response/GetUserShowAliasChoiceResponse.java

@@ -0,0 +1,29 @@
+package konkuk.thip.user.adapter.in.web.response;
+
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+
+import java.util.List;
+
+public record GetUserShowAliasChoiceResponse(List<AliasChoice> aliasChoices) {
+
+    public static GetUserShowAliasChoiceResponse of(AliasChoiceViewResult result) {
+        List<AliasChoice> choices = result.aliasChoices().stream()
+                .map(ac -> new AliasChoice(
+                        ac.aliasId(),
+                        ac.aliasName(),
+                        ac.categoryName(),
+                        ac.imageUrl(),
+                        ac.color()
+                ))
+                .toList();
+        return new GetUserShowAliasChoiceResponse(choices);
+    }
+
+    public record AliasChoice(
+            Long aliasId,
+            String aliasName,
+            String categoryName,
+            String imageUrl,
+            String color
+    ) {}
+}

src/main/java/konkuk/thip/user/adapter/in/web/response/PostUserSignupResponse.java

@@ -0,0 +1,7 @@
+package konkuk.thip.user.adapter.in.web.response;
+
+public record PostUserSignupResponse(Long userId) {
+    public static PostUserSignupResponse of(Long userId) {
+        return new PostUserSignupResponse(userId);
+    }
+}

src/main/java/konkuk/thip/user/adapter/in/web/response/PostUserVerifyNicknameResponse.java

@@ -0,0 +1,7 @@
+package konkuk.thip.user.adapter.in.web.response;
+
+public record PostUserVerifyNicknameResponse(boolean isVerified) {
+    public static PostUserVerifyNicknameResponse of(boolean isVerified) {
+        return new PostUserVerifyNicknameResponse(isVerified);
+    }
+}

src/main/java/konkuk/thip/user/adapter/out/persistence/AliasJpaRepository.java

@@ -3,5 +3,5 @@
 import konkuk.thip.user.adapter.out.jpa.AliasJpaEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-public interface AliasJpaRepository extends JpaRepository<AliasJpaEntity, Long> {
+public interface AliasJpaRepository extends JpaRepository<AliasJpaEntity, Long>, AliasQueryRepository {
 }

src/main/java/konkuk/thip/user/adapter/out/persistence/AliasQueryPersistenceAdapter.java

@@ -0,0 +1,18 @@
+package konkuk.thip.user.adapter.out.persistence;
+
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+import konkuk.thip.user.application.port.out.AliasQueryPort;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class AliasQueryPersistenceAdapter implements AliasQueryPort {
+
+    private final AliasJpaRepository aliasJpaRepository;
+
+    @Override
+    public AliasChoiceViewResult getAllAliasesAndCategories() {
+        return aliasJpaRepository.getAllAliasesAndCategories();
+    }
+}

src/main/java/konkuk/thip/user/adapter/out/persistence/AliasQueryRepository.java

@@ -0,0 +1,8 @@
+package konkuk.thip.user.adapter.out.persistence;
+
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+
+public interface AliasQueryRepository {
+
+    AliasChoiceViewResult getAllAliasesAndCategories();
+}

src/main/java/konkuk/thip/user/adapter/out/persistence/AliasQueryRepositoryImpl.java

@@ -0,0 +1,41 @@
+package konkuk.thip.user.adapter.out.persistence;
+
+import com.querydsl.core.types.Projections;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import konkuk.thip.room.adapter.out.jpa.QCategoryJpaEntity;
+import konkuk.thip.user.adapter.out.jpa.QAliasJpaEntity;
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+@RequiredArgsConstructor
+public class AliasQueryRepositoryImpl implements AliasQueryRepository {
+
+    private final JPAQueryFactory jpaQueryFactory;
+
+    @Override
+    public AliasChoiceViewResult getAllAliasesAndCategories() {
+        QAliasJpaEntity alias = QAliasJpaEntity.aliasJpaEntity;
+        QCategoryJpaEntity category = QCategoryJpaEntity.categoryJpaEntity;
+
+        List<AliasChoiceViewResult.AliasChoice> aliasChoices = jpaQueryFactory
+                .select(Projections.constructor(
+                        AliasChoiceViewResult.AliasChoice.class,
+                        alias.aliasId,
+                        alias.value,
+                        category.value,
+                        alias.imageUrl,
+                        alias.color
+                ))
+                .from(alias)
+                .leftJoin(category)
+                .on(category.aliasForCategoryJpaEntity.eq(alias))
+                .orderBy(alias.aliasId.asc())
+                .fetch();
+
+        return new AliasChoiceViewResult(aliasChoices);
+    }
+}

src/main/java/konkuk/thip/user/adapter/out/persistence/UserJpaRepository.java

@@ -3,5 +3,7 @@
 import konkuk.thip.user.adapter.out.jpa.UserJpaEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-public interface UserJpaRepository extends JpaRepository<UserJpaEntity, Long> {
+public interface UserJpaRepository extends JpaRepository<UserJpaEntity, Long>, UserQueryRepository {
+
+    boolean existsByNickname(String nickname);
 }

src/main/java/konkuk/thip/user/adapter/out/persistence/UserQueryPersistenceAdapter.java

@@ -9,7 +9,11 @@
 @RequiredArgsConstructor
 public class UserQueryPersistenceAdapter implements UserQueryPort {
 
-    private final UserJpaRepository jpaRepository;
+    private final UserJpaRepository userJpaRepository;
     private final UserMapper userMapper;
 
+    @Override
+    public boolean existsByNickname(String nickname) {
+        return userJpaRepository.existsByNickname(nickname);
+    }
 }

src/main/java/konkuk/thip/user/adapter/out/persistence/UserQueryRepository.java

@@ -0,0 +1,5 @@
+package konkuk.thip.user.adapter.out.persistence;
+
+public interface UserQueryRepository {
+
+}

src/main/java/konkuk/thip/user/adapter/out/persistence/UserQueryRepositoryImpl.java

@@ -0,0 +1,11 @@
+package konkuk.thip.user.adapter.out.persistence;
+
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class UserQueryRepositoryImpl implements UserQueryRepository {
+
+    /**
+     * QueryDsl 을 활용한 복잡한 조회 로직 구현
+     */
+}

src/main/java/konkuk/thip/user/application/port/in/ShowAliasChoiceViewUseCase.java

@@ -0,0 +1,8 @@
+package konkuk.thip.user.application.port.in;
+
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+
+public interface ShowAliasChoiceViewUseCase {
+
+    AliasChoiceViewResult getAllAliasesAndCategories();
+}

src/main/java/konkuk/thip/user/application/port/in/VerifyNicknameUseCase.java

@@ -0,0 +1,6 @@
+package konkuk.thip.user.application.port.in;
+
+public interface VerifyNicknameUseCase {
+
+    boolean isNicknameUnique(String nickname);
+}

src/main/java/konkuk/thip/user/application/port/in/dto/AliasChoiceViewResult.java

@@ -0,0 +1,14 @@
+package konkuk.thip.user.application.port.in.dto;
+
+import java.util.List;
+
+public record AliasChoiceViewResult(List<AliasChoice> aliasChoices) {
+
+    public record AliasChoice(
+            Long aliasId,
+            String aliasName,
+            String categoryName,
+            String imageUrl,
+            String color
+    ) {}
+}

src/main/java/konkuk/thip/user/application/port/out/AliasQueryPort.java

@@ -0,0 +1,8 @@
+package konkuk.thip.user.application.port.out;
+
+import konkuk.thip.user.application.port.in.dto.AliasChoiceViewResult;
+
+public interface AliasQueryPort {
+
+    AliasChoiceViewResult getAllAliasesAndCategories();
+}