98 lines
3.5 KiB
TypeScript
98 lines
3.5 KiB
TypeScript
import { publishNoteStream } from '../stream';
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import renderDelete from '../../remote/activitypub/renderer/delete';
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import renderAnnounce from '../../remote/activitypub/renderer/announce';
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import renderUndo from '../../remote/activitypub/renderer/undo';
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import { renderActivity } from '../../remote/activitypub/renderer';
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import renderTombstone from '../../remote/activitypub/renderer/tombstone';
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import config from '../../config';
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import { registerOrFetchInstanceDoc } from '../register-or-fetch-instance-doc';
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import { User } from '../../models/entities/user';
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import { Note } from '../../models/entities/note';
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import { Notes, Users, Instances } from '../../models';
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import { notesChart, perUserNotesChart, instanceChart } from '../chart';
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import { deliverToFollowers } from '../../remote/activitypub/deliver-manager';
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import { countSameRenotes } from '../../misc/count-same-renotes';
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/**
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* 投稿を削除します。
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* @param user 投稿者
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* @param note 投稿
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*/
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export default async function(user: User, note: Note, quiet = false) {
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const deletedAt = new Date();
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// この投稿を除く指定したユーザーによる指定したノートのリノートが存在しないとき
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if (note.renoteId && (await countSameRenotes(user.id, note.renoteId, note.id)) === 0) {
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Notes.decrement({ id: note.renoteId }, 'renoteCount', 1);
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Notes.decrement({ id: note.renoteId }, 'score', 1);
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}
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if (!quiet) {
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publishNoteStream(note.id, 'deleted', {
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deletedAt: deletedAt
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});
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//#region ローカルの投稿なら削除アクティビティを配送
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if (Users.isLocalUser(user)) {
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let renote: Note | undefined;
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// if deletd note is renote
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if (note.renoteId && note.text == null && !note.hasPoll && (note.fileIds == null || note.fileIds.length == 0)) {
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renote = await Notes.findOne({
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id: note.renoteId
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});
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}
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const content = renderActivity(renote
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? renderUndo(renderAnnounce(renote.uri || `${config.url}/notes/${renote.id}`, note), user)
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: renderDelete(renderTombstone(`${config.url}/notes/${note.id}`), user));
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deliverToFollowers(user, content);
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}
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// also deliever delete activity to cascaded notes
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const cascadingNotes = (await findCascadingNotes(note)).filter(note => !note.localOnly); // filter out local-only notes
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for (const cascadingNote of cascadingNotes) {
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if (!cascadingNote.user) continue;
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if (!Users.isLocalUser(cascadingNote.user)) continue;
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const content = renderActivity(renderDelete(renderTombstone(`${config.url}/notes/${cascadingNote.id}`), cascadingNote.user));
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deliverToFollowers(cascadingNote.user, content);
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}
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//#endregion
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// 統計を更新
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notesChart.update(note, false);
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perUserNotesChart.update(user, note, false);
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if (Users.isRemoteUser(user)) {
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registerOrFetchInstanceDoc(user.host).then(i => {
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Instances.decrement({ id: i.id }, 'notesCount', 1);
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instanceChart.updateNote(i.host, note, false);
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});
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}
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}
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await Notes.delete({
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id: note.id,
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userId: user.id
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});
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}
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async function findCascadingNotes(note: Note) {
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const cascadingNotes: Note[] = [];
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const recursive = async (noteId: string) => {
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const query = Notes.createQueryBuilder('note')
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.where('note.replyId = :noteId', { noteId })
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.leftJoinAndSelect('note.user', 'user');
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const replies = await query.getMany();
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for (const reply of replies) {
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cascadingNotes.push(reply);
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await recursive(reply.id);
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}
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};
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await recursive(note.id);
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return cascadingNotes.filter(note => note.userHost === null); // filter out non-local users
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}
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