なんかもうめっちゃ変えた

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

@@ -0,0 +1,72 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, OneToOne } from 'typeorm';
+import { id } from '../id.js';
+import { noteVisibilities } from '../../types.js';
+import { Note } from './Note.js';
+import type { User } from './User.js';
+
+@Entity()
+export class Poll {
+	@PrimaryColumn(id())
+	public noteId: Note['id'];
+
+	@OneToOne(type => Note, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public note: Note | null;
+
+	@Column('timestamp with time zone', {
+		nullable: true,
+	})
+	public expiresAt: Date | null;
+
+	@Column('boolean')
+	public multiple: boolean;
+
+	@Column('varchar', {
+		length: 128, array: true, default: '{}',
+	})
+	public choices: string[];
+
+	@Column('integer', {
+		array: true,
+	})
+	public votes: number[];
+
+	//#region Denormalized fields
+	@Column('enum', {
+		enum: noteVisibilities,
+		comment: '[Denormalized]',
+	})
+	public noteVisibility: typeof noteVisibilities[number];
+
+	@Index()
+	@Column({
+		...id(),
+		comment: '[Denormalized]',
+	})
+	public userId: User['id'];
+
+	@Index()
+	@Column('varchar', {
+		length: 128, nullable: true,
+		comment: '[Denormalized]',
+	})
+	public userHost: string | null;
+	//#endregion
+
+	constructor(data: Partial<Poll>) {
+		if (data == null) return;
+
+		for (const [k, v] of Object.entries(data)) {
+			(this as any)[k] = v;
+		}
+	}
+}
+
+export type IPoll = {
+	choices: string[];
+	votes?: number[];
+	multiple: boolean;
+	expiresAt: Date | null;
+};