rudeshark.net/packages/backend/src/services/chart/charts/federation.ts
2022-03-07 15:10:16 +09:00

85 lines
2.9 KiB
TypeScript

import Chart, { KVs } from '../core.js';
import { Followings, Instances } from '@/models/index.js';
import { name, schema } from './entities/federation.js';
import { fetchMeta } from '@/misc/fetch-meta.js';
import { In, MoreThan, Not } from 'typeorm';
/**
* フェデレーションに関するチャート
*/
// eslint-disable-next-line import/no-default-export
export default class FederationChart extends Chart<typeof schema> {
constructor() {
super(name, schema);
}
protected async tickMajor(): Promise<Partial<KVs<typeof schema>>> {
return {
};
}
protected async tickMinor(): Promise<Partial<KVs<typeof schema>>> {
const meta = await fetchMeta();
const suspendedInstancesQuery = Instances.createQueryBuilder('instance')
.select('instance.host')
.where('instance.isSuspended = true');
const pubsubSubQuery = Followings.createQueryBuilder('f')
.select('f.followerHost')
.where('f.followerHost IS NOT NULL');
const [sub, pub, pubsub, active] = await Promise.all([
Followings.createQueryBuilder('following')
.select('COUNT(DISTINCT following.followeeHost)')
.where('following.followeeHost IS NOT NULL')
.andWhere(meta.blockedHosts.length === 0 ? '1=1' : `following.followeeHost NOT IN (:...blocked)`, { blocked: meta.blockedHosts })
.andWhere(`following.followeeHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
.getRawOne()
.then(x => parseInt(x.count, 10)),
Followings.createQueryBuilder('following')
.select('COUNT(DISTINCT following.followerHost)')
.where('following.followerHost IS NOT NULL')
.andWhere(meta.blockedHosts.length === 0 ? '1=1' : `following.followerHost NOT IN (:...blocked)`, { blocked: meta.blockedHosts })
.andWhere(`following.followerHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
.getRawOne()
.then(x => parseInt(x.count, 10)),
Followings.createQueryBuilder('following')
.select('COUNT(DISTINCT following.followeeHost)')
.where('following.followeeHost IS NOT NULL')
.andWhere(meta.blockedHosts.length === 0 ? '1=1' : `following.followeeHost NOT IN (:...blocked)`, { blocked: meta.blockedHosts })
.andWhere(`following.followeeHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
.andWhere(`following.followeeHost IN (${ pubsubSubQuery.getQuery() })`)
.setParameters(pubsubSubQuery.getParameters())
.getRawOne()
.then(x => parseInt(x.count, 10)),
Instances.count({
host: Not(In(meta.blockedHosts)),
isSuspended: false,
lastCommunicatedAt: MoreThan(new Date(Date.now() - (1000 * 60 * 60 * 24 * 30))),
}),
]);
return {
'sub': sub,
'pub': pub,
'pubsub': pubsub,
'active': active,
};
}
public async deliverd(host: string, succeeded: boolean): Promise<void> {
await this.commit(succeeded ? {
'deliveredInstances': [host],
} : {
'stalled': [host],
});
}
public async inbox(host: string): Promise<void> {
await this.commit({
'inboxInstances': [host],
});
}
}