Sharkey/packages/backend/src/core/ClipService.ts

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/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import { DI } from '@/di-symbols.js';
import type { ClipsRepository, MiNote, MiClip, ClipNotesRepository, NotesRepository } from '@/models/_.js';
import { bindThis } from '@/decorators.js';
import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
import { RoleService } from '@/core/RoleService.js';
import { IdService } from '@/core/IdService.js';
import type { MiLocalUser } from '@/models/entities/User.js';
@Injectable()
export class ClipService {
public static NoSuchClipError = class extends Error {};
public static AlreadyAddedError = class extends Error {};
public static TooManyClipNotesError = class extends Error {};
public static TooManyClipsError = class extends Error {};
constructor(
@Inject(DI.redis)
private redisClient: Redis.Redis,
@Inject(DI.redisForSub)
private redisForSub: Redis.Redis,
@Inject(DI.clipsRepository)
private clipsRepository: ClipsRepository,
@Inject(DI.clipNotesRepository)
private clipNotesRepository: ClipNotesRepository,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
private roleService: RoleService,
private idService: IdService,
) {
}
@bindThis
public async create(me: MiLocalUser, name: string, isPublic: boolean, description: string | null): Promise<MiClip> {
const currentCount = await this.clipsRepository.countBy({
userId: me.id,
});
if (currentCount > (await this.roleService.getUserPolicies(me.id)).clipLimit) {
throw new ClipService.TooManyClipsError();
}
const clip = await this.clipsRepository.insert({
id: this.idService.genId(),
createdAt: new Date(),
userId: me.id,
name: name,
isPublic: isPublic,
description: description,
}).then(x => this.clipsRepository.findOneByOrFail(x.identifiers[0]));
return clip;
}
@bindThis
public async update(me: MiLocalUser, clipId: MiClip['id'], name: string | undefined, isPublic: boolean | undefined, description: string | null | undefined): Promise<void> {
const clip = await this.clipsRepository.findOneBy({
id: clipId,
userId: me.id,
});
if (clip == null) {
throw new ClipService.NoSuchClipError();
}
await this.clipsRepository.update(clip.id, {
name: name,
description: description,
isPublic: isPublic,
});
}
@bindThis
public async delete(me: MiLocalUser, clipId: MiClip['id']): Promise<void> {
const clip = await this.clipsRepository.findOneBy({
id: clipId,
userId: me.id,
});
if (clip == null) {
throw new ClipService.NoSuchClipError();
}
await this.clipsRepository.delete(clip.id);
}
@bindThis
public async addNote(me: MiLocalUser, clipId: MiClip['id'], noteId: MiNote['id']): Promise<void> {
const clip = await this.clipsRepository.findOneBy({
id: clipId,
userId: me.id,
});
if (clip == null) {
throw new ClipService.NoSuchClipError();
}
const currentCount = await this.clipNotesRepository.countBy({
clipId: clip.id,
});
if (currentCount > (await this.roleService.getUserPolicies(me.id)).noteEachClipsLimit) {
throw new ClipService.TooManyClipNotesError();
}
try {
await this.clipNotesRepository.insert({
id: this.idService.genId(),
noteId: noteId,
clipId: clip.id,
});
} catch (e) {
if (isDuplicateKeyValueError(e)) {
throw new ClipService.AlreadyAddedError();
}
}
this.clipsRepository.update(clip.id, {
lastClippedAt: new Date(),
});
this.notesRepository.increment({ id: noteId }, 'clippedCount', 1);
}
@bindThis
public async removeNote(me: MiLocalUser, clipId: MiClip['id'], noteId: MiNote['id']): Promise<void> {
const clip = await this.clipsRepository.findOneBy({
id: clipId,
userId: me.id,
});
if (clip == null) {
throw new ClipService.NoSuchClipError();
}
await this.clipNotesRepository.delete({
noteId: noteId,
clipId: clip.id,
});
this.notesRepository.decrement({ id: noteId }, 'clippedCount', 1);
}
}