refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/channels/owned.ts

@@ -0,0 +1,49 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import { Channels } from '@/models/index';
+import { makePaginationQuery } from '../../common/make-pagination-query';
+
+export const meta = {
+	tags: ['channels', 'account'],
+
+	requireCredential: true as const,
+
+	kind: 'read:channels',
+
+	params: {
+		sinceId: {
+			validator: $.optional.type(ID),
+		},
+
+		untilId: {
+			validator: $.optional.type(ID),
+		},
+
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 5
+		},
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'Channel',
+		}
+	},
+};
+
+export default define(meta, async (ps, me) => {
+	const query = makePaginationQuery(Channels.createQueryBuilder(), ps.sinceId, ps.untilId)
+		.andWhere({ userId: me.id });
+
+	const channels = await query
+		.take(ps.limit!)
+		.getMany();
+
+	return await Promise.all(channels.map(x => Channels.pack(x, me)));
+});