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refactor(backend): extract clip-related logics to ClipService
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/* | ||
* SPDX-FileCopyrightText: syuilo and other misskey contributors | ||
* SPDX-License-Identifier: AGPL-3.0-only | ||
*/ | ||
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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'; | ||
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@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 {}; | ||
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constructor( | ||
@Inject(DI.redis) | ||
private redisClient: Redis.Redis, | ||
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@Inject(DI.redisForSub) | ||
private redisForSub: Redis.Redis, | ||
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@Inject(DI.clipsRepository) | ||
private clipsRepository: ClipsRepository, | ||
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@Inject(DI.clipNotesRepository) | ||
private clipNotesRepository: ClipNotesRepository, | ||
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@Inject(DI.notesRepository) | ||
private notesRepository: NotesRepository, | ||
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private roleService: RoleService, | ||
private idService: IdService, | ||
) { | ||
} | ||
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@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(); | ||
} | ||
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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])); | ||
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return clip; | ||
} | ||
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@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, | ||
}); | ||
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if (clip == null) { | ||
throw new ClipService.NoSuchClipError(); | ||
} | ||
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await this.clipsRepository.update(clip.id, { | ||
name: name, | ||
description: description, | ||
isPublic: isPublic, | ||
}); | ||
} | ||
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@bindThis | ||
public async delete(me: MiLocalUser, clipId: MiClip['id']): Promise<void> { | ||
const clip = await this.clipsRepository.findOneBy({ | ||
id: clipId, | ||
userId: me.id, | ||
}); | ||
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if (clip == null) { | ||
throw new ClipService.NoSuchClipError(); | ||
} | ||
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await this.clipsRepository.delete(clip.id); | ||
} | ||
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@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, | ||
}); | ||
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if (clip == null) { | ||
throw new ClipService.NoSuchClipError(); | ||
} | ||
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const currentCount = await this.clipNotesRepository.countBy({ | ||
clipId: clip.id, | ||
}); | ||
if (currentCount > (await this.roleService.getUserPolicies(me.id)).noteEachClipsLimit) { | ||
throw new ClipService.TooManyClipNotesError(); | ||
} | ||
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try { | ||
await this.clipNotesRepository.insert({ | ||
id: this.idService.genId(), | ||
noteId: noteId, | ||
clipId: clip.id, | ||
}); | ||
} catch (e) { | ||
if (isDuplicateKeyValueError(e)) { | ||
throw new ClipService.AlreadyAddedError(); | ||
} | ||
} | ||
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this.clipsRepository.update(clip.id, { | ||
lastClippedAt: new Date(), | ||
}); | ||
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this.notesRepository.increment({ id: noteId }, 'clippedCount', 1); | ||
} | ||
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@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, | ||
}); | ||
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if (clip == null) { | ||
throw new ClipService.NoSuchClipError(); | ||
} | ||
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await this.clipNotesRepository.delete({ | ||
noteId: noteId, | ||
clipId: clip.id, | ||
}); | ||
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this.notesRepository.decrement({ id: noteId }, 'clippedCount', 1); | ||
} | ||
} |
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