feat: friend search core-module

core-module/src/main/java/com/foodgo/coremodule/community/service/ChallengeQueryService.java

@@ -0,0 +1,23 @@
+package com.foodgo.coremodule.community.service;
+
+import com.foodgo.coremodule.community.domain.Challenge;
+import com.foodgo.coremodule.community.repository.ChallengeDetailRepository;
+import com.foodgo.coremodule.community.repository.ChallengeRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ChallengeQueryService {
+
+    private final ChallengeRepository challengeRepository;
+    private final ChallengeDetailRepository challengeDetailRepository;
+
+    public Challenge findRecentChallenge(Long userId) {
+        return challengeRepository.findTopByFriendshipUserIdOrderByCreatedAtDesc(userId);
+    }
+
+    public Boolean checkChallengeYn(Long friendshipId) {
+        return challengeRepository.existsChallengeByFriendshipId(friendshipId);
+    }
+}

core-module/src/main/java/com/foodgo/coremodule/community/service/FriendQueryService.java

@@ -0,0 +1,30 @@
+package com.foodgo.coremodule.community.service;
+
+import com.foodgo.coremodule.community.domain.Friendship;
+import com.foodgo.coremodule.community.repository.FriendShipRepository;
+import com.foodgo.coremodule.user.domain.User;
+import com.foodgo.coremodule.user.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class FriendQueryService {
+
+    private final FriendShipRepository friendShipRepository;
+    private final UserRepository userRepository;
+
+    public List<User> findFriendWithNickname(String nickname) {
+        return userRepository.findAllByNicknameContaining(nickname);
+    }
+
+    public Boolean checkFriendShipYn(Long userId, Long friendId) {
+        return friendShipRepository.existsFriendshipByUserIdAndFriendId(userId, friendId);
+    }
+
+    public Friendship findByUserIdAndFriendId(Long userId, Long friendId) {
+        return friendShipRepository.findFriendshipByUserIdAndFriendId(userId, friendId);
+    }
+}

core-module/src/main/java/com/foodgo/coremodule/user/repository/UserRepository.java

@@ -1,5 +1,6 @@
 package com.foodgo.coremodule.user.repository;
 
+import java.util.List;
 import java.util.Optional;
 
 import org.springframework.data.jpa.repository.JpaRepository;
@@ -15,4 +16,6 @@ public interface UserRepository extends JpaRepository<User, Long>, UserRepositor
 	Boolean existsByNickname(String nickname);
 
 	User save(User user);
+
+	List<User> findAllByNicknameContaining(String nickname);
 }

core-module/src/main/java/com/foodgo/coremodule/user/service/UserQueryService.java

@@ -1,32 +1,36 @@
 package com.foodgo.coremodule.user.service;
 
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
 import com.foodgo.commonmodule.user.exception.UserErrorCode;
 import com.foodgo.commonmodule.user.exception.UserExceptionHandler;
 import com.foodgo.coremodule.user.domain.User;
 import com.foodgo.coremodule.user.repository.UserRepository;
-
 import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
 
 @RequiredArgsConstructor
 @Transactional(readOnly = true)
 @Service
 public class UserQueryService {
 
-	private final UserRepository userRepository;
+    private final UserRepository userRepository;
+
+    public Boolean checkUsername(String username) {
+        return userRepository.existsByUsername(username);
+    }
 
-	public Boolean checkUsername(String username) {
-		return userRepository.existsByUsername(username);
-	}
+    public Boolean checkNickname(String nickname) {
+        return userRepository.existsByNickname(nickname);
+    }
 
-	public Boolean checkNickname(String nickname) {
-		return userRepository.existsByNickname(nickname);
-	}
+    public User findByUserName(String username) {
+        return userRepository.findByUsername(username)
+                .orElseThrow(() -> new UserExceptionHandler(UserErrorCode.USER_NOT_FOUND));
+    }
 
-	public User findByUserName(String username) {
-		return userRepository.findByUsername(username)
-			.orElseThrow(() -> new UserExceptionHandler(UserErrorCode.USER_NOT_FOUND));
-	}
+    public List<User> findAllUsers() {
+        return userRepository.findAll();
+    }
 }