iceshrimp/src/services/note/reaction/delete.ts
2019-04-14 20:28:57 +09:00

51 lines
1.7 KiB
TypeScript

import { publishNoteStream } from '../../stream';
import renderLike from '../../../remote/activitypub/renderer/like';
import renderUndo from '../../../remote/activitypub/renderer/undo';
import { renderActivity } from '../../../remote/activitypub/renderer';
import { deliver } from '../../../queue';
import { IdentifiableError } from '../../../misc/identifiable-error';
import { User } from '../../../models/entities/user';
import { Note } from '../../../models/entities/note';
import { NoteReactions, Users, Notes } from '../../../models';
export default async (user: User, note: Note) => {
// if already unreacted
const exist = await NoteReactions.findOne({
noteId: note.id,
userId: user.id,
});
if (exist == null) {
throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
}
// Delete reaction
await NoteReactions.delete(exist.id);
// Decrement reactions count
const sql = `jsonb_set("reactions", '{${exist.reaction}}', (COALESCE("reactions"->>'${exist.reaction}', '0')::int - 1)::text::jsonb)`;
await Notes.createQueryBuilder().update()
.set({
reactions: () => sql,
})
.where('id = :id', { id: note.id })
.execute();
Notes.decrement({ id: note.id }, 'score', 1);
publishNoteStream(note.id, 'unreacted', {
reaction: exist.reaction,
userId: user.id
});
//#region 配信
// リアクターがローカルユーザーかつリアクション対象がリモートユーザーの投稿なら配送
if (Users.isLocalUser(user) && (note.userHost !== null)) {
const content = renderActivity(renderUndo(renderLike(user, note, exist.reaction), user));
Users.findOne(note.userId).then(u => {
deliver(user, content, u!.inbox);
});
}
//#endregion
};