なんかもうめっちゃ変えた

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

@@ -0,0 +1,89 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { id } from '../id.js';
+import { User } from './User.js';
+import { DriveFile } from './DriveFile.js';
+import { UserGroup } from './UserGroup.js';
+
+@Entity()
+export class MessagingMessage {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column('timestamp with time zone', {
+		comment: 'The created date of the MessagingMessage.',
+	})
+	public createdAt: Date;
+
+	@Index()
+	@Column({
+		...id(),
+		comment: 'The sender user ID.',
+	})
+	public userId: User['id'];
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public user: User | null;
+
+	@Index()
+	@Column({
+		...id(), nullable: true,
+		comment: 'The recipient user ID.',
+	})
+	public recipientId: User['id'] | null;
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public recipient: User | null;
+
+	@Index()
+	@Column({
+		...id(), nullable: true,
+		comment: 'The recipient group ID.',
+	})
+	public groupId: UserGroup['id'] | null;
+
+	@ManyToOne(type => UserGroup, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public group: UserGroup | null;
+
+	@Column('varchar', {
+		length: 4096, nullable: true,
+	})
+	public text: string | null;
+
+	@Column('boolean', {
+		default: false,
+	})
+	public isRead: boolean;
+
+	@Column('varchar', {
+		length: 512, nullable: true,
+	})
+	public uri: string | null;
+
+	@Column({
+		...id(),
+		array: true, default: '{}',
+	})
+	public reads: User['id'][];
+
+	@Column({
+		...id(),
+		nullable: true,
+	})
+	public fileId: DriveFile['id'] | null;
+
+	@ManyToOne(type => DriveFile, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public file: DriveFile | null;
+}