[BE] feat: Direct create API

src/backend/chat-server/src/main/kotlin/com/asyncgate/chat_server/controller/HealthCheckController.kt

@@ -0,0 +1,15 @@
+package com.asyncgate.chat_server.controller
+
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/health")
+class HealthCheckController {
+
+    @GetMapping
+    fun healthCheck(): Map<String, String> {
+        return mapOf("status" to "UP")
+    }
+}

src/backend/chat-server/src/main/kotlin/com/asyncgate/chat_server/exception/ChatServerErrorHandler.kt

@@ -0,0 +1,30 @@
+package com.asyncgate.chat_server.exception
+
+import com.asyncgate.chat_server.support.response.FailResponse
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.ControllerAdvice
+import org.springframework.web.bind.annotation.ExceptionHandler
+
+@ControllerAdvice
+class ChatServerErrorHandler {
+    private val log: Logger = LoggerFactory.getLogger(ChatServerErrorHandler::class.java)
+
+    @ExceptionHandler(ChatServerException::class)
+    fun handleApiException(e: ChatServerException): ResponseEntity<FailResponse> {
+        val errorType: FailType = e.failType
+        val response: FailResponse = FailResponse.of(
+            errorType.errorCode,
+            errorType.message,
+            errorType.status.value()
+        )
+        return ResponseEntity.status(errorType.status).body(response)
+    }
+
+    @ExceptionHandler(Exception::class)
+    fun handleException(exception: Exception) {
+        log.error("🚨 [Global Error] ${exception.message}", exception)
+    }
+
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/client/UserClient.java

@@ -0,0 +1,15 @@
+package com.asyncgate.guild_server.client;
+
+import com.asyncgate.guild_server.support.response.SuccessResponse;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.List;
+
+@FeignClient(name = "user-server")
+public interface UserClient {
+
+    @GetMapping("/users")
+    SuccessResponse<UserClientInfoResponses> getUsersInfo(@RequestParam(required = false) List<String> memberIds);
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/client/UserClientInfoResponses.java

@@ -0,0 +1,8 @@
+package com.asyncgate.guild_server.client;
+
+import java.util.List;
+
+public record UserClientInfoResponses(List<UserClientInfoResponse> responses) {
+    public record UserClientInfoResponse(String userId, String name, String nickname, String profileImageUrl) {
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/config/FeignClientConfig.java

@@ -6,7 +6,7 @@
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
-@EnableFeignClients
+@EnableFeignClients(basePackages = "com.asyncgate.guild_server.client")
 public class FeignClientConfig {
 
     @Bean

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/controller/DirectController.java

@@ -0,0 +1,30 @@
+package com.asyncgate.guild_server.controller;
+
+import com.asyncgate.guild_server.dto.request.DirectChannelCreateRequest;
+import com.asyncgate.guild_server.dto.response.DirectResponse;
+import com.asyncgate.guild_server.service.DirectService;
+import com.asyncgate.guild_server.support.response.SuccessResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+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;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/direct")
+public class DirectController {
+
+    private final DirectService directService;
+
+    @PostMapping
+    public SuccessResponse<DirectResponse> create(
+            final @AuthenticationPrincipal String currentUserId,
+            final @RequestBody DirectChannelCreateRequest request
+    ) {
+        return SuccessResponse.created(
+                directService.create(currentUserId, request)
+        );
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/domain/Direct.java

@@ -0,0 +1,24 @@
+package com.asyncgate.guild_server.domain;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+public class Direct {
+
+    private final String id;
+
+    @Builder
+    private Direct(String id, String name) {
+        this.id = id;
+    }
+
+    public static Direct create() {
+        return Direct.builder()
+                .id(UUID.randomUUID().toString())
+                .build();
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/domain/DirectMember.java

@@ -0,0 +1,27 @@
+package com.asyncgate.guild_server.domain;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.UUID;
+
+@Getter
+public class DirectMember {
+    private final String id;
+    private final String directId;
+    private final String memberId;
+    private final String memberName;
+
+    @Builder
+    private DirectMember(String id, String directId, String memberId, String memberName) {
+        this.id = id;
+        this.directId = directId;
+        this.memberId = memberId;
+        this.memberName = memberName;
+    }
+
+    public static DirectMember create(final String directId, final String memberId, final String memberName) {
+        return new DirectMember(UUID.randomUUID().toString(), directId, memberId, memberName);
+    }
+
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/dto/request/DirectChannelCreateRequest.java

@@ -0,0 +1,12 @@
+package com.asyncgate.guild_server.dto.request;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+public class DirectChannelCreateRequest {
+    private List<String> memberIds;
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/dto/response/DirectResponse.java

@@ -0,0 +1,9 @@
+package com.asyncgate.guild_server.dto.response;
+
+import com.asyncgate.guild_server.client.UserClientInfoResponses;
+
+public record DirectResponse(String directId,UserClientInfoResponses members) {
+    public static DirectResponse of(final String directId, final UserClientInfoResponses members) {
+        return new DirectResponse(directId, members);
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/entity/DirectEntity.java

@@ -0,0 +1,24 @@
+package com.asyncgate.guild_server.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Entity
+@Table(name = "direct")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class DirectEntity {
+
+    @Id
+    private String id;
+
+    @Builder
+    private DirectEntity(String id) {
+        this.id = id;
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/entity/DirectMemberEntity.java

@@ -0,0 +1,28 @@
+package com.asyncgate.guild_server.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Entity
+@Table(name = "direct_member")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class DirectMemberEntity {
+
+    @Id
+    private String id;
+    private String memberId;
+    private String memberName;
+
+    @Builder
+    private DirectMemberEntity(String id, String memberId, String memberName) {
+        this.id = id;
+        this.memberId = memberId;
+        this.memberName = memberName;
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectJpaRepository.java

@@ -0,0 +1,7 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.entity.DirectEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface DirectJpaRepository extends JpaRepository<DirectEntity, String> {
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectMemberJpaRepository.java

@@ -0,0 +1,7 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.entity.DirectMemberEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface DirectMemberJpaRepository extends JpaRepository<DirectMemberEntity, Long> {
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectMemberRepository.java

@@ -0,0 +1,9 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.domain.DirectMember;
+
+import java.util.List;
+
+public interface DirectMemberRepository {
+    void saveAll(List<DirectMember> directMembers);
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectMemberRepositoryImpl.java

@@ -0,0 +1,24 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.domain.DirectMember;
+import com.asyncgate.guild_server.support.utility.DomainUtil;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+@RequiredArgsConstructor
+public class DirectMemberRepositoryImpl implements DirectMemberRepository {
+
+    private final DirectMemberJpaRepository jpaRepository;
+
+    @Override
+    public void saveAll(List<DirectMember> directMembers) {
+        jpaRepository.saveAll(
+                directMembers.stream()
+                        .map(DomainUtil.DirectMemberMapper::toEntity)
+                        .toList()
+        );
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectRepository.java

@@ -0,0 +1,7 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.domain.Direct;
+
+public interface DirectRepository {
+    void save(Direct direct);
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/repository/DirectRepositoryImpl.java

@@ -0,0 +1,19 @@
+package com.asyncgate.guild_server.repository;
+
+import com.asyncgate.guild_server.domain.Direct;
+import com.asyncgate.guild_server.support.utility.DomainUtil;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class DirectRepositoryImpl implements DirectRepository {
+    private final DirectJpaRepository jpaRepository;
+
+    @Override
+    public void save(Direct direct) {
+        jpaRepository.save(
+                DomainUtil.DirectMapper.toEntity(direct)
+        );
+    }
+}

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/security/SecurityConstants.java

@@ -18,6 +18,7 @@ public class SecurityConstants {
             "/swagger-ui/index.css",
             "/v3/api-docs/swagger-config",
             "/error",
-            "/health"
+            "/health",
+            "/actuator/info"
     };
 }

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/security/filter/JwtFilter.java

@@ -41,6 +41,9 @@ protected void doFilterInternal(
         }
 
         String jwtToken = request.getHeader(HttpHeaders.AUTHORIZATION);
+
+        System.out.println("jwtToken = " + jwtToken);
+
         jwtService.authenticate(jwtToken);
         filterChain.doFilter(request, response);
     }

src/backend/guild-server/src/main/java/com/asyncgate/guild_server/service/DirectService.java

@@ -0,0 +1,8 @@
+package com.asyncgate.guild_server.service;
+
+import com.asyncgate.guild_server.dto.request.DirectChannelCreateRequest;
+import com.asyncgate.guild_server.dto.response.DirectResponse;
+
+public interface DirectService {
+    DirectResponse create(String currentUserId, DirectChannelCreateRequest request);
+}