#60 feat : Apply 설정

src/main/java/com/seoultech/synergybe/domain/apply/repository/ApplyRepositoryCustom.java

@@ -0,0 +1,17 @@
+package com.seoultech.synergybe.domain.apply.repository;
+
+import com.seoultech.synergybe.domain.apply.Apply;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ApplyRepositoryCustom {
+    Optional<Apply> findByUserIdAndProjectId(@Param("userId") String userId, @Param("projectId") Long projectId);
+
+    List<Apply> findAllProcessByUserId(@Param("userId") String userId);
+
+    List<String> findUserIdsByProjectId(@Param("projectId") Long projectId);
+
+    List<Long> findProjectIdsByUserId(@Param("userId") String userId);
+}

src/main/java/com/seoultech/synergybe/domain/apply/repository/ApplyRepositoryImpl.java

@@ -0,0 +1,50 @@
+package com.seoultech.synergybe.domain.apply.repository;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.seoultech.synergybe.domain.apply.Apply;
+import com.seoultech.synergybe.domain.apply.ApplyStatus;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Optional;
+
+import static com.seoultech.synergybe.domain.apply.QApply.apply;
+
+@RequiredArgsConstructor
+@Repository
+public class ApplyRepositoryImpl implements ApplyRepositoryCustom{
+    private final JPAQueryFactory queryFactory;
+
+    @Override
+    public Optional<Apply> findByUserIdAndProjectId(String userId, Long projectId) {
+        return Optional.ofNullable(queryFactory
+                .select(apply)
+                .from(apply)
+                .where(apply.user.userId.eq(userId).and(apply.project.id.eq(projectId)))
+                .fetchOne());
+    }
+
+    @Override
+    public List<Apply> findAllProcessByUserId(String userId) {
+        return queryFactory
+                .select(apply)
+                .from(apply)
+                .where(apply.user.userId.eq(userId).and(apply.status.eq(ApplyStatus.PROCESS)))
+                .fetch();
+    }
+
+    @Override
+    public List<String> findUserIdsByProjectId(Long projectId) {
+        return queryFactory
+                .select(apply.user.userId)
+                .from(apply)
+                .where(apply.project.id.eq(projectId).and(apply.status.eq(ApplyStatus.PROCESS)))
+                .fetch();
+    }
+
+    @Override
+    public List<Long> findProjectIdsByUserId(String userId) {
+        return null;
+    }
+}