refactoring

Resolve #7779

packages/backend/src/models/entities/games/reversi/matching.ts

@@ -0,0 +1,35 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { User } from '../../user';
+import { id } from '../../../id';
+
+@Entity()
+export class ReversiMatching {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column('timestamp with time zone', {
+		comment: 'The created date of the ReversiMatching.'
+	})
+	public createdAt: Date;
+
+	@Index()
+	@Column(id())
+	public parentId: User['id'];
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE'
+	})
+	@JoinColumn()
+	public parent: User | null;
+
+	@Index()
+	@Column(id())
+	public childId: User['id'];
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE'
+	})
+	@JoinColumn()
+	public child: User | null;
+}