Resolve #3248

Co-authored-by: syuilo <syuilotan@yahoo.co.jp>

src/server/api/endpoints/messaging/messages/delete.ts

@@ -0,0 +1,54 @@
+
+import $ from 'cafy'; import ID, { transform } from '../../../../../misc/cafy-id';
+import Message from '../../../../../models/messaging-message';
+import define from '../../../define';
+import { publishMessagingStream } from '../../../../../stream';
+const ms = require('ms');
+
+export const meta = {
+	stability: 'stable',
+
+	desc: {
+		'ja-JP': '指定したメッセージを削除します。',
+		'en-US': 'Delete a message.'
+	},
+
+	requireCredential: true,
+
+	kind: 'messaging-write',
+
+	limit: {
+		duration: ms('1hour'),
+		max: 300,
+		minInterval: ms('1sec')
+	},
+
+	params: {
+		messageId: {
+			validator: $.type(ID),
+			transform: transform,
+			desc: {
+				'ja-JP': '対象のメッセージのID',
+				'en-US': 'Target message ID.'
+			}
+		}
+	}
+};
+
+export default define(meta, (ps, user) => new Promise(async (res, rej) => {
+	const message = await Message.findOne({
+		_id: ps.messageId,
+		userId: user._id
+	});
+
+	if (message === null) {
+		return rej('message not found');
+	}
+
+	await Message.remove({ _id: message._id });
+
+	publishMessagingStream(message.userId, message.recipientId, 'deleted', message._id);
+	publishMessagingStream(message.recipientId, message.userId, 'deleted', message._id);
+
+	res();
+}));