add: view previous versions of notes

Closes transfem-org/Sharkey#103

packages/backend/src/server/api/endpoints/notes/versions.ts

@@ -0,0 +1,63 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { GetterService } from '@/server/api/GetterService.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: false,
+
+	res: {
+		type: 'object',
+		optional: false, nullable: false,
+	},
+
+	errors: {
+		noSuchNote: {
+			message: 'No such note.',
+			code: 'NO_SUCH_NOTE',
+			id: '24fcbfc6-2e37-42b6-8388-c29b3861a08d',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private getterService: GetterService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const edits = await this.getterService.getEdits(ps.noteId).catch(err => {
+				if (err.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
+				throw err;
+			});
+
+			let editArray = [];
+
+			for (const edit of edits) {
+				editArray.push({
+					updatedAt: new Date(edit.updatedAt).toLocaleString('UTC', { hour: 'numeric', minute: 'numeric', second: 'numeric', year: 'numeric', month: 'short', day: 'numeric' }),
+					text: edit.text,
+				});
+			}
+
+			editArray = editArray.sort((a, b) => { return new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime(); });
+
+			return editArray;
+		});
+	}
+}