1 files changed, 81 insertions, 0 deletions
diff --git a/src/server/api/endpoints/notes/renotes.ts b/src/server/api/endpoints/notes/renotes.ts
new file mode 100644
index 0000000000..ff926806eb
--- /dev/null
+++ b/src/server/api/endpoints/notes/renotes.ts
@@ -0,0 +1,81 @@
+import $ from 'cafy'; import ID, { transform } from '../../../../misc/cafy-id';
+import Note, { packMany } from '../../../../models/note';
+import { ILocalUser } from '../../../../models/user';
+import getParams from '../../get-params';
+
+export const meta = {
+	desc: {
+		'ja-JP': '指定した投稿のRenote一覧を取得します。',
+		'en-US': 'Show a renotes of a note.'
+	},
+
+	requireCredential: false,
+
+	params: {
+		noteId: {
+			validator: $.type(ID),
+			transform: transform,
+		},
+
+		limit: {
+			validator: $.num.optional.range(1, 100),
+			default: 10
+		},
+
+		sinceId: {
+			validator: $.type(ID).optional,
+			transform: transform,
+		},
+
+		untilId: {
+			validator: $.type(ID).optional,
+			transform: transform,
+		}
+	}
+};
+
+export default (params: any, user: ILocalUser) => new Promise(async (res, rej) => {
+	const [ps, psErr] = getParams(meta, params);
+	if (psErr) return rej(psErr);
+
+	// Check if both of sinceId and untilId is specified
+	if (ps.sinceId && ps.untilId) {
+		return rej('cannot set sinceId and untilId');
+	}
+
+	// Lookup note
+	const note = await Note.findOne({
+		_id: ps.noteId
+	});
+
+	if (note === null) {
+		return rej('note not found');
+	}
+
+	const sort = {
+		_id: -1
+	};
+
+	const query = {
+		renoteId: note._id
+	} as any;
+
+	if (ps.sinceId) {
+		sort._id = 1;
+		query._id = {
+			$gt: ps.sinceId
+		};
+	} else if (ps.untilId) {
+		query._id = {
+			$lt: ps.untilId
+		};
+	}
+
+	const renotes = await Note
+		.find(query, {
+			limit: ps.limit,
+			sort: sort
+		});
+
+	res(await packMany(renotes, user));
+});