feat(notification): add PushToken entity (#164)

* feat(notification): add PushToken entity

* refactor(notification): inherited Persistent Interface

src/main/java/com/e2i/wemeet/domain/notification/PushToken.java

@@ -0,0 +1,49 @@
+package com.e2i.wemeet.domain.notification;
+
+import com.e2i.wemeet.domain.base.BaseTimeEntity;
+import com.e2i.wemeet.domain.member.Member;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.springframework.data.domain.Persistable;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Table(name = "PUSH_TOKEN")
+@Entity
+public class PushToken extends BaseTimeEntity implements Persistable<String> {
+
+    @Id
+    private String token;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    @Builder
+    public PushToken(String token, Member member) {
+        this.token = token;
+        this.member = member;
+    }
+
+    private void setMember(final Member member) {
+        this.member = member;
+    }
+
+    @Override
+    public String getId() {
+        return this.token;
+    }
+
+    @Override
+    public boolean isNew() {
+        return createdAt == null;
+    }
+}

src/main/java/com/e2i/wemeet/domain/notification/PushTokenRepository.java

@@ -0,0 +1,7 @@
+package com.e2i.wemeet.domain.notification;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface PushTokenRepository extends JpaRepository<PushToken, String> {
+
+}

src/main/resources/db/migration/V2311081752__create_push_token.sql

@@ -0,0 +1,9 @@
+CREATE TABLE IF NOT EXISTS `push_token`
+(
+    `token`             varchar(100)       NOT NULL,
+    `member_id`      bigint,
+    PRIMARY KEY (`token`),
+    FOREIGN KEY (`member_id`) REFERENCES member (`member_id`) ON DELETE CASCADE
+    )
+    ENGINE = InnoDB
+    DEFAULT CHARACTER SET = utf8mb4;