upd: add backend for post editing

packages/backend/src/models/NoteEdit.ts

@@ -0,0 +1,46 @@
+import { Entity, JoinColumn, Column, ManyToOne, PrimaryColumn, Index } from "typeorm";
+import { id } from './util/id.js';
+import { MiNote } from './Note.js';
+import type { MiDriveFile } from './DriveFile.js';
+
+@Entity()
+export class NoteEdit {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Index()
+	@Column({
+		...id(),
+		comment: "The ID of note.",
+	})
+	public noteId: MiNote["id"];
+
+	@ManyToOne((type) => MiNote, {
+		onDelete: "CASCADE",
+	})
+	@JoinColumn()
+	public note: MiNote | null;
+
+	@Column("text", {
+		nullable: true,
+	})
+	public text: string | null;
+
+	@Column("varchar", {
+		length: 512,
+		nullable: true,
+	})
+	public cw: string | null;
+
+	@Column({
+		...id(),
+		array: true,
+		default: "{}",
+	})
+	public fileIds: MiDriveFile["id"][];
+
+	@Column("timestamp with time zone", {
+		comment: "The updated date of the Note.",
+	})
+	public updatedAt: Date;
+}