なんかもうめっちゃ変えた

packages/backend/src/models/entities/Channel.ts

@@ -0,0 +1,75 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { id } from '../id.js';
+import { User } from './User.js';
+import { DriveFile } from './DriveFile.js';
+
+@Entity()
+export class Channel {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column('timestamp with time zone', {
+		comment: 'The created date of the Channel.',
+	})
+	public createdAt: Date;
+
+	@Index()
+	@Column('timestamp with time zone', {
+		nullable: true,
+	})
+	public lastNotedAt: Date | null;
+
+	@Index()
+	@Column({
+		...id(),
+		nullable: true,
+		comment: 'The owner ID.',
+	})
+	public userId: User['id'] | null;
+
+	@ManyToOne(type => User, {
+		onDelete: 'SET NULL',
+	})
+	@JoinColumn()
+	public user: User | null;
+
+	@Column('varchar', {
+		length: 128,
+		comment: 'The name of the Channel.',
+	})
+	public name: string;
+
+	@Column('varchar', {
+		length: 2048, nullable: true,
+		comment: 'The description of the Channel.',
+	})
+	public description: string | null;
+
+	@Column({
+		...id(),
+		nullable: true,
+		comment: 'The ID of banner Channel.',
+	})
+	public bannerId: DriveFile['id'] | null;
+
+	@ManyToOne(type => DriveFile, {
+		onDelete: 'SET NULL',
+	})
+	@JoinColumn()
+	public banner: DriveFile | null;
+
+	@Index()
+	@Column('integer', {
+		default: 0,
+		comment: 'The count of notes.',
+	})
+	public notesCount: number;
+
+	@Index()
+	@Column('integer', {
+		default: 0,
+		comment: 'The count of users.',
+	})
+	public usersCount: number;
+}