273 lines
10 KiB
TypeScript
273 lines
10 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import { Brackets } from 'typeorm';
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import { DI } from '@/di-symbols.js';
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import type { User } from '@/models/entities/User.js';
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import type { UserProfilesRepository, FollowingsRepository, ChannelFollowingsRepository, MutedNotesRepository, BlockingsRepository, NoteThreadMutingsRepository, MutingsRepository } from '@/models/index.js';
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import type { SelectQueryBuilder } from 'typeorm';
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import { bindThis } from '@/decorators.js';
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@Injectable()
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export class QueryService {
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constructor(
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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@Inject(DI.channelFollowingsRepository)
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private channelFollowingsRepository: ChannelFollowingsRepository,
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@Inject(DI.mutedNotesRepository)
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private mutedNotesRepository: MutedNotesRepository,
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@Inject(DI.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.noteThreadMutingsRepository)
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private noteThreadMutingsRepository: NoteThreadMutingsRepository,
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@Inject(DI.mutingsRepository)
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private mutingsRepository: MutingsRepository,
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) {
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}
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public makePaginationQuery<T>(q: SelectQueryBuilder<T>, sinceId?: string, untilId?: string, sinceDate?: number, untilDate?: number): SelectQueryBuilder<T> {
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if (sinceId && untilId) {
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q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: sinceId });
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q.andWhere(`${q.alias}.id < :untilId`, { untilId: untilId });
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q.orderBy(`${q.alias}.id`, 'DESC');
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} else if (sinceId) {
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q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: sinceId });
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q.orderBy(`${q.alias}.id`, 'ASC');
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} else if (untilId) {
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q.andWhere(`${q.alias}.id < :untilId`, { untilId: untilId });
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q.orderBy(`${q.alias}.id`, 'DESC');
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} else if (sinceDate && untilDate) {
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q.andWhere(`${q.alias}.createdAt > :sinceDate`, { sinceDate: new Date(sinceDate) });
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q.andWhere(`${q.alias}.createdAt < :untilDate`, { untilDate: new Date(untilDate) });
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q.orderBy(`${q.alias}.createdAt`, 'DESC');
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} else if (sinceDate) {
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q.andWhere(`${q.alias}.createdAt > :sinceDate`, { sinceDate: new Date(sinceDate) });
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q.orderBy(`${q.alias}.createdAt`, 'ASC');
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} else if (untilDate) {
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q.andWhere(`${q.alias}.createdAt < :untilDate`, { untilDate: new Date(untilDate) });
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q.orderBy(`${q.alias}.createdAt`, 'DESC');
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} else {
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q.orderBy(`${q.alias}.id`, 'DESC');
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}
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return q;
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}
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// ここでいうBlockedは被Blockedの意
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@bindThis
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public generateBlockedUserQuery(q: SelectQueryBuilder<any>, me: { id: User['id'] }): void {
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const blockingQuery = this.blockingsRepository.createQueryBuilder('blocking')
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.select('blocking.blockerId')
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.where('blocking.blockeeId = :blockeeId', { blockeeId: me.id });
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// 投稿の作者にブロックされていない かつ
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// 投稿の返信先の作者にブロックされていない かつ
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// 投稿の引用元の作者にブロックされていない
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q
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.andWhere(`note.userId NOT IN (${ blockingQuery.getQuery() })`)
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.andWhere(new Brackets(qb => { qb
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.where('note.replyUserId IS NULL')
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.orWhere(`note.replyUserId NOT IN (${ blockingQuery.getQuery() })`);
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}))
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.andWhere(new Brackets(qb => { qb
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.where('note.renoteUserId IS NULL')
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.orWhere(`note.renoteUserId NOT IN (${ blockingQuery.getQuery() })`);
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}));
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q.setParameters(blockingQuery.getParameters());
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}
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@bindThis
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public generateBlockQueryForUsers(q: SelectQueryBuilder<any>, me: { id: User['id'] }): void {
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const blockingQuery = this.blockingsRepository.createQueryBuilder('blocking')
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.select('blocking.blockeeId')
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.where('blocking.blockerId = :blockerId', { blockerId: me.id });
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const blockedQuery = this.blockingsRepository.createQueryBuilder('blocking')
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.select('blocking.blockerId')
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.where('blocking.blockeeId = :blockeeId', { blockeeId: me.id });
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q.andWhere(`user.id NOT IN (${ blockingQuery.getQuery() })`);
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q.setParameters(blockingQuery.getParameters());
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q.andWhere(`user.id NOT IN (${ blockedQuery.getQuery() })`);
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q.setParameters(blockedQuery.getParameters());
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}
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@bindThis
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public generateChannelQuery(q: SelectQueryBuilder<any>, me?: { id: User['id'] } | null): void {
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if (me == null) {
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q.andWhere('note.channelId IS NULL');
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} else {
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q.leftJoinAndSelect('note.channel', 'channel');
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const channelFollowingQuery = this.channelFollowingsRepository.createQueryBuilder('channelFollowing')
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.select('channelFollowing.followeeId')
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.where('channelFollowing.followerId = :followerId', { followerId: me.id });
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q.andWhere(new Brackets(qb => { qb
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// チャンネルのノートではない
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.where('note.channelId IS NULL')
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// または自分がフォローしているチャンネルのノート
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.orWhere(`note.channelId IN (${ channelFollowingQuery.getQuery() })`);
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}));
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q.setParameters(channelFollowingQuery.getParameters());
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}
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}
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@bindThis
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public generateMutedNoteQuery(q: SelectQueryBuilder<any>, me: { id: User['id'] }): void {
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const mutedQuery = this.mutedNotesRepository.createQueryBuilder('muted')
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.select('muted.noteId')
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.where('muted.userId = :userId', { userId: me.id });
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q.andWhere(`note.id NOT IN (${ mutedQuery.getQuery() })`);
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q.setParameters(mutedQuery.getParameters());
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}
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@bindThis
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public generateMutedNoteThreadQuery(q: SelectQueryBuilder<any>, me: { id: User['id'] }): void {
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const mutedQuery = this.noteThreadMutingsRepository.createQueryBuilder('threadMuted')
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.select('threadMuted.threadId')
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.where('threadMuted.userId = :userId', { userId: me.id });
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q.andWhere(`note.id NOT IN (${ mutedQuery.getQuery() })`);
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q.andWhere(new Brackets(qb => { qb
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.where('note.threadId IS NULL')
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.orWhere(`note.threadId NOT IN (${ mutedQuery.getQuery() })`);
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}));
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q.setParameters(mutedQuery.getParameters());
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}
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@bindThis
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public generateMutedUserQuery(q: SelectQueryBuilder<any>, me: { id: User['id'] }, exclude?: User): void {
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const mutingQuery = this.mutingsRepository.createQueryBuilder('muting')
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.select('muting.muteeId')
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.where('muting.muterId = :muterId', { muterId: me.id });
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if (exclude) {
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mutingQuery.andWhere('muting.muteeId != :excludeId', { excludeId: exclude.id });
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}
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const mutingInstanceQuery = this.userProfilesRepository.createQueryBuilder('user_profile')
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.select('user_profile.mutedInstances')
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.where('user_profile.userId = :muterId', { muterId: me.id });
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// 投稿の作者をミュートしていない かつ
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// 投稿の返信先の作者をミュートしていない かつ
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// 投稿の引用元の作者をミュートしていない
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q
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.andWhere(`note.userId NOT IN (${ mutingQuery.getQuery() })`)
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.andWhere(new Brackets(qb => { qb
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.where('note.replyUserId IS NULL')
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.orWhere(`note.replyUserId NOT IN (${ mutingQuery.getQuery() })`);
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}))
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.andWhere(new Brackets(qb => { qb
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.where('note.renoteUserId IS NULL')
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.orWhere(`note.renoteUserId NOT IN (${ mutingQuery.getQuery() })`);
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}))
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// mute instances
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.andWhere(new Brackets(qb => { qb
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.andWhere('note.userHost IS NULL')
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.orWhere(`NOT ((${ mutingInstanceQuery.getQuery() })::jsonb ? note.userHost)`);
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}))
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.andWhere(new Brackets(qb => { qb
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.where('note.replyUserHost IS NULL')
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.orWhere(`NOT ((${ mutingInstanceQuery.getQuery() })::jsonb ? note.replyUserHost)`);
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}))
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.andWhere(new Brackets(qb => { qb
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.where('note.renoteUserHost IS NULL')
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.orWhere(`NOT ((${ mutingInstanceQuery.getQuery() })::jsonb ? note.renoteUserHost)`);
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}));
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q.setParameters(mutingQuery.getParameters());
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q.setParameters(mutingInstanceQuery.getParameters());
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}
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@bindThis
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public generateMutedUserQueryForUsers(q: SelectQueryBuilder<any>, me: { id: User['id'] }): void {
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const mutingQuery = this.mutingsRepository.createQueryBuilder('muting')
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.select('muting.muteeId')
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.where('muting.muterId = :muterId', { muterId: me.id });
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q.andWhere(`user.id NOT IN (${ mutingQuery.getQuery() })`);
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q.setParameters(mutingQuery.getParameters());
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}
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@bindThis
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public generateRepliesQuery(q: SelectQueryBuilder<any>, me?: Pick<User, 'id' | 'showTimelineReplies'> | null): void {
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if (me == null) {
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q.andWhere(new Brackets(qb => { qb
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.where('note.replyId IS NULL') // 返信ではない
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.orWhere(new Brackets(qb => { qb // 返信だけど投稿者自身への返信
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.where('note.replyId IS NOT NULL')
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.andWhere('note.replyUserId = note.userId');
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}));
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}));
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} else if (!me.showTimelineReplies) {
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q.andWhere(new Brackets(qb => { qb
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.where('note.replyId IS NULL') // 返信ではない
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.orWhere('note.replyUserId = :meId', { meId: me.id }) // 返信だけど自分のノートへの返信
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.orWhere(new Brackets(qb => { qb // 返信だけど自分の行った返信
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.where('note.replyId IS NOT NULL')
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.andWhere('note.userId = :meId', { meId: me.id });
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}))
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.orWhere(new Brackets(qb => { qb // 返信だけど投稿者自身への返信
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.where('note.replyId IS NOT NULL')
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.andWhere('note.replyUserId = note.userId');
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}));
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}));
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}
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}
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@bindThis
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public generateVisibilityQuery(q: SelectQueryBuilder<any>, me?: { id: User['id'] } | null): void {
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// This code must always be synchronized with the checks in Notes.isVisibleForMe.
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if (me == null) {
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q.andWhere(new Brackets(qb => { qb
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.where('note.visibility = \'public\'')
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.orWhere('note.visibility = \'home\'');
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}));
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} else {
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const followingQuery = this.followingsRepository.createQueryBuilder('following')
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.select('following.followeeId')
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.where('following.followerId = :meId');
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q.andWhere(new Brackets(qb => { qb
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// 公開投稿である
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.where(new Brackets(qb => { qb
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.where('note.visibility = \'public\'')
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.orWhere('note.visibility = \'home\'');
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}))
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// または 自分自身
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.orWhere('note.userId = :meId')
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// または 自分宛て
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.orWhere(':meId = ANY(note.visibleUserIds)')
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.orWhere(':meId = ANY(note.mentions)')
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.orWhere(new Brackets(qb => { qb
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// または フォロワー宛ての投稿であり、
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.where('note.visibility = \'followers\'')
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.andWhere(new Brackets(qb => { qb
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// 自分がフォロワーである
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.where(`note.userId IN (${ followingQuery.getQuery() })`)
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// または 自分の投稿へのリプライ
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.orWhere('note.replyUserId = :meId');
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}));
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}));
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}));
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q.setParameters({ meId: me.id });
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}
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}
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}
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