refactor(backend): update directory structure for models

packages/backend/src/models/NoteUnread.ts

@@ -0,0 +1,68 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { id } from './util/id.js';
+import { MiUser } from './User.js';
+import { MiNote } from './Note.js';
+import type { MiChannel } from './Channel.js';
+
+@Entity('note_unread')
+@Index(['userId', 'noteId'], { unique: true })
+export class MiNoteUnread {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column(id())
+	public userId: MiUser['id'];
+
+	@ManyToOne(type => MiUser, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public user: MiUser | null;
+
+	@Index()
+	@Column(id())
+	public noteId: MiNote['id'];
+
+	@ManyToOne(type => MiNote, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public note: MiNote | null;
+
+	/**
+	 * メンションか否か
+	 */
+	@Index()
+	@Column('boolean')
+	public isMentioned: boolean;
+
+	/**
+	 * ダイレクト投稿か否か
+	 */
+	@Index()
+	@Column('boolean')
+	public isSpecified: boolean;
+
+	//#region Denormalized fields
+	@Index()
+	@Column({
+		...id(),
+		comment: '[Denormalized]',
+	})
+	public noteUserId: MiUser['id'];
+
+	@Index()
+	@Column({
+		...id(),
+		nullable: true,
+		comment: '[Denormalized]',
+	})
+	public noteChannelId: MiChannel['id'] | null;
+	//#endregion
+}