[FEAT] ProfileCard와 ProfileCardLike 엔티티 구현 (#81)

* [FEAT] ProfileCard와 ProfileCardLike 엔티티 구현

* [FEAT] ProfileCard 동적 쿼리 조회 메서드 구현, 커서 기반 페이지네이션 적용

src/main/java/io/oeid/mogakgo/domain/profile/domain/entity/ProfileCard.java

@@ -0,0 +1,49 @@
+package io.oeid.mogakgo.domain.profile.domain.entity;
+
+import io.oeid.mogakgo.domain.user.domain.User;
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Entity
+@Table(name = "profile_card_tb")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class ProfileCard {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "profile_card_id")
+    private Long id;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "user_id", updatable = false)
+    private User user;
+
+    @Column(name = "total_like_amount", nullable = false)
+    private Long totalLikeAmount;
+
+    @Builder
+    private ProfileCard(User user) {
+        this.user = user;
+        this.totalLikeAmount = 0L;
+    }
+
+    public static ProfileCard from(User user) {
+        return ProfileCard.builder()
+            .user(user)
+            .build();
+    }
+}

src/main/java/io/oeid/mogakgo/domain/profile/domain/entity/ProfileCardLike.java

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+package io.oeid.mogakgo.domain.profile.domain.entity;
+
+import io.oeid.mogakgo.domain.user.domain.User;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import java.time.LocalDateTime;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+@Getter
+@Entity
+@Table(name = "profile_card_like_tb")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@EntityListeners(AuditingEntityListener.class)
+public class ProfileCardLike {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "profile_card_like_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "sender_id", updatable = false)
+    private User sender;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "receiver_id", updatable = false)
+    private User receiver;
+
+    @CreatedDate
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+
+    @Builder
+    private ProfileCardLike(User sender, User receiver) {
+        this.sender = sender;
+        this.receiver = receiver;
+    }
+
+    public static ProfileCardLike of(User sender, User receiver) {
+        return ProfileCardLike.builder()
+            .sender(sender)
+            .receiver(receiver)
+            .build();
+    }
+}

src/main/java/io/oeid/mogakgo/domain/profile/infrastructure/ProfileCardJpaRepository.java

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+package io.oeid.mogakgo.domain.profile.infrastructure;
+
+import io.oeid.mogakgo.domain.profile.domain.entity.ProfileCard;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ProfileCardJpaRepository extends JpaRepository<ProfileCard, Long>, ProfileCardRepositoryCustom {
+
+}

src/main/java/io/oeid/mogakgo/domain/profile/infrastructure/ProfileCardRepositoryCustom.java

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+package io.oeid.mogakgo.domain.profile.infrastructure;
+
+import io.oeid.mogakgo.domain.geo.domain.enums.Region;
+import io.oeid.mogakgo.domain.profile.domain.entity.ProfileCard;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Slice;
+
+public interface ProfileCardRepositoryCustom {
+
+    Slice<ProfileCard> findByCondition(
+        Long cursorId, Long userId, Region region, Pageable pageable
+    );
+}

src/main/java/io/oeid/mogakgo/domain/profile/infrastructure/ProfileCardRepositoryCustomImpl.java

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+package io.oeid.mogakgo.domain.profile.infrastructure;
+
+import static io.oeid.mogakgo.domain.profile.domain.entity.QProfileCard.profileCard;
+
+import com.querydsl.core.types.dsl.BooleanExpression;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import io.oeid.mogakgo.domain.geo.domain.enums.Region;
+import io.oeid.mogakgo.domain.profile.domain.entity.ProfileCard;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Slice;
+import org.springframework.data.domain.SliceImpl;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class ProfileCardRepositoryCustomImpl implements ProfileCardRepositoryCustom {
+
+    private final JPAQueryFactory jpaQueryFactory;
+
+    @Override
+    public Slice<ProfileCard> findByCondition(
+        Long cursorId, Long userId, Region region, Pageable pageable
+    ) {
+        List<ProfileCard> result = jpaQueryFactory.selectFrom(profileCard)
+            .where(
+                cursorIdEq(cursorId),
+                userIdEq(userId),
+                regionEq(region)
+            )
+            .limit(pageable.getPageSize() + 1)
+            .fetch();
+        boolean hasNext = checkLastPage(result, pageable);
+        return new SliceImpl<>(result, pageable, hasNext);
+    }
+
+    private BooleanExpression regionEq(Region region) {
+        return region != null ? profileCard.user.region.eq(region) : null;
+    }
+
+    private BooleanExpression userIdEq(Long userId) {
+        return userId != null ? profileCard.user.id.eq(userId) : null;
+    }
+
+    private BooleanExpression cursorIdEq(Long cursorId) {
+        return cursorId != null ? profileCard.id.gt(cursorId) : null;
+    }
+
+    private boolean checkLastPage(List<ProfileCard> profileCards, Pageable pageable) {
+        if (profileCards.size() > pageable.getPageSize()) {
+            profileCards.remove(pageable.getPageSize());
+            return true;
+        }
+        return false;
+    }
+}