feat : 재화 도메인 설정

src/main/java/com/project1hour/api/core/domain/credit/entity/Credit.java

@@ -0,0 +1,39 @@
+package com.project1hour.api.core.domain.credit.entity;
+
+import com.project1hour.api.core.domain.credit.value.EarnType;
+import com.project1hour.api.core.domain.credit.value.Quantity;
+import com.project1hour.api.global.entity.AbstractEntity;
+import io.hypersistence.utils.hibernate.id.Tsid;
+import jakarta.persistence.Column;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.Id;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.SQLDelete;
+import org.hibernate.annotations.SQLRestriction;
+
+@Entity
+@Getter
+@SQLDelete(sql = "UPDATE credit SET deleted_at = now() WHERE credit_id = ?")
+@SQLRestriction("deleted_at IS NULL")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Credit extends AbstractEntity<Long> {
+
+    @Id
+    @Tsid
+    @Column(name = "credit_id")
+    private Long id;
+
+    @Enumerated(EnumType.STRING)
+    private EarnType earnType;
+
+    @Embedded
+    private Quantity quantity;
+
+    @Column(nullable = false)
+    private Long userId;
+}

src/main/java/com/project1hour/api/core/domain/credit/entity/Credits.java

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+package com.project1hour.api.core.domain.credit.entity;
+
+import java.util.List;
+
+public class Credits {
+
+    private List<Credit> creditList;
+}

src/main/java/com/project1hour/api/core/domain/credit/value/EarnType.java

@@ -0,0 +1,14 @@
+package com.project1hour.api.core.domain.credit.value;
+
+import lombok.Getter;
+
+@Getter
+public enum EarnType {
+    WELCOME_REWARD(6);
+
+    private final int creditVolume;
+
+    EarnType(final int creditVolume) {
+        this.creditVolume = creditVolume;
+    }
+}

src/main/java/com/project1hour/api/core/domain/credit/value/Quantity.java

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+package com.project1hour.api.core.domain.credit.value;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Embeddable;
+
+@Embeddable
+public record Quantity(@Column(name = "quantity") int value) {
+
+    public static Quantity fromEarnType(final EarnType earnType) {
+        return new Quantity(earnType.getCreditVolume());
+    }
+}