refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/notes/global-timeline.ts

@@ -0,0 +1,101 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import { fetchMeta } from '@/misc/fetch-meta';
+import { ApiError } from '../../error';
+import { makePaginationQuery } from '../../common/make-pagination-query';
+import { Notes } from '@/models/index';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
+import { activeUsersChart } from '@/services/chart/index';
+import { generateRepliesQuery } from '../../common/generate-replies-query';
+import { generateMutedNoteQuery } from '../../common/generate-muted-note-query';
+import { generateBlockedUserQuery } from '../../common/generate-block-query';
+
+export const meta = {
+	tags: ['notes'],
+
+	params: {
+		withFiles: {
+			validator: $.optional.bool,
+		},
+
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 10
+		},
+
+		sinceId: {
+			validator: $.optional.type(ID),
+		},
+
+		untilId: {
+			validator: $.optional.type(ID),
+		},
+
+		sinceDate: {
+			validator: $.optional.num
+		},
+
+		untilDate: {
+			validator: $.optional.num
+		},
+	},
+
+	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: 'Note',
+		}
+	},
+
+	errors: {
+		gtlDisabled: {
+			message: 'Global timeline has been disabled.',
+			code: 'GTL_DISABLED',
+			id: '0332fc13-6ab2-4427-ae80-a9fadffd1a6b'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	const m = await fetchMeta();
+	if (m.disableGlobalTimeline) {
+		if (user == null || (!user.isAdmin && !user.isModerator)) {
+			throw new ApiError(meta.errors.gtlDisabled);
+		}
+	}
+
+	//#region Construct query
+	const query = makePaginationQuery(Notes.createQueryBuilder('note'),
+			ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
+		.andWhere('note.visibility = \'public\'')
+		.andWhere('note.channelId IS NULL')
+		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('note.reply', 'reply')
+		.leftJoinAndSelect('note.renote', 'renote')
+		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('renote.user', 'renoteUser');
+
+	generateRepliesQuery(query, user);
+	if (user) generateMutedUserQuery(query, user);
+	if (user) generateMutedNoteQuery(query, user);
+	if (user) generateBlockedUserQuery(query, user);
+
+	if (ps.withFiles) {
+		query.andWhere('note.fileIds != \'{}\'');
+	}
+	//#endregion
+
+	const timeline = await query.take(ps.limit!).getMany();
+
+	process.nextTick(() => {
+		if (user) {
+			activeUsersChart.update(user);
+		}
+	});
+
+	return await Notes.packMany(timeline, user);
+});