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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Injectable, Inject } from '@nestjs/common';
import { Not, IsNull, DataSource } from 'typeorm';
import * as Redis from 'ioredis';
import type { MiUser } from '@/models/User.js';
import { DI } from '@/di-symbols.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import type { FollowingsRepository } from '@/models/_.js';
import { bindThis } from '@/decorators.js';
import { acquireChartInsertLock } from '@/misc/distributed-lock.js';
import Chart from '../core.js';
import { ChartLoggerService } from '../ChartLoggerService.js';
import { name, schema } from './entities/per-user-following.js';
import type { KVs } from '../core.js';
/**
* ユーザーごとのフォローに関するチャート
*/
@Injectable()
export default class PerUserFollowingChart extends Chart<typeof schema> { // eslint-disable-line import/no-default-export
constructor(
@Inject(DI.db)
private db: DataSource,
@Inject(DI.redis)
private redisClient: Redis.Redis,
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private userEntityService: UserEntityService,
private chartLoggerService: ChartLoggerService,
) {
super(db, (k) => acquireChartInsertLock(redisClient, k), chartLoggerService.logger, name, schema, true);
}
protected async tickMajor(group: string): Promise<Partial<KVs<typeof schema>>> {
const [
localFollowingsCount,
localFollowersCount,
remoteFollowingsCount,
remoteFollowersCount,
] = await Promise.all([
this.followingsRepository.countBy({ followerId: group, followeeHost: IsNull() }),
this.followingsRepository.countBy({ followeeId: group, followerHost: IsNull() }),
this.followingsRepository.countBy({ followerId: group, followeeHost: Not(IsNull()) }),
this.followingsRepository.countBy({ followeeId: group, followerHost: Not(IsNull()) }),
]);
return {
'local.followings.total': localFollowingsCount,
'local.followers.total': localFollowersCount,
'remote.followings.total': remoteFollowingsCount,
'remote.followers.total': remoteFollowersCount,
};
}
protected async tickMinor(): Promise<Partial<KVs<typeof schema>>> {
return {};
}
@bindThis
public async update(follower: { id: MiUser['id']; host: MiUser['host']; }, followee: { id: MiUser['id']; host: MiUser['host']; }, isFollow: boolean): Promise<void> {
const prefixFollower = this.userEntityService.isLocalUser(follower) ? 'local' : 'remote';
const prefixFollowee = this.userEntityService.isLocalUser(followee) ? 'local' : 'remote';
this.commit({
[`${prefixFollower}.followings.total`]: isFollow ? 1 : -1,
[`${prefixFollower}.followings.inc`]: isFollow ? 1 : 0,
[`${prefixFollower}.followings.dec`]: isFollow ? 0 : 1,
}, follower.id);
this.commit({
[`${prefixFollowee}.followers.total`]: isFollow ? 1 : -1,
[`${prefixFollowee}.followers.inc`]: isFollow ? 1 : 0,
[`${prefixFollowee}.followers.dec`]: isFollow ? 0 : 1,
}, followee.id);
}
}
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