hippofish/src/services/note/reaction/delete.ts
2020-05-10 17:25:16 +09:00

58 lines
1.9 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 DeliverManager from '../../../remote/activitypub/deliver-manager';
import { IdentifiableError } from '../../../misc/identifiable-error';
import { User, IRemoteUser } from '../../../models/entities/user';
import { Note } from '../../../models/entities/note';
import { NoteReactions, Users, Notes } from '../../../models';
import { decodeReaction } from '../../../misc/reaction-lib';
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
const result = await NoteReactions.delete(exist.id);
if (result.affected !== 1) {
throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
}
// 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: decodeReaction(exist.reaction).reaction,
userId: user.id
});
//#region 配信
if (Users.isLocalUser(user) && !note.localOnly) {
const content = renderActivity(renderUndo(await renderLike(exist, note), user));
const dm = new DeliverManager(user, content);
if (note.userHost !== null) {
const reactee = await Users.findOne(note.userId);
dm.addDirectRecipe(reactee as IRemoteUser);
}
dm.addFollowersRecipe();
dm.execute();
}
//#endregion
};