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adjust following and follower counts

This commit is contained in:
Namekuji 2023-04-14 09:15:13 -04:00
parent 75d02a51a6
commit fc327f0567
2 changed files with 102 additions and 37 deletions
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48
packages/backend/src/core/AccountMoveService.ts
View File

@ -1,14 +1,13 @@
import { Inject, Injectable } from '@nestjs/common';
import { IsNull } from 'typeorm';
import { IsNull, In } from 'typeorm';
import { bindThis } from '@/decorators.js';
import { DI } from '@/di-symbols.js';
import type { Config } from '@/config.js';
import type { LocalUser } from '@/models/entities/User.js';
import type { BlockingsRepository, FollowingsRepository, Muting, MutingsRepository, UserListJoiningsRepository, UsersRepository } from '@/models/index.js';
import type { BlockingsRepository, FollowingsRepository, InstancesRepository, Muting, MutingsRepository, UserListJoiningsRepository, UsersRepository } from '@/models/index.js';
import type { RelationshipJobData, ThinUser } from '@/queue/types.js';
import { User } from '@/models/entities/User.js';
import type { User } from '@/models/entities/User.js';
import { AccountUpdateService } from '@/core/AccountUpdateService.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
@ -19,8 +18,12 @@ import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerServ
import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { IdService } from '@/core/IdService.js';
import { CacheService } from '@/core/CacheService';
import { CacheService } from '@/core/CacheService.js';
import { ProxyAccountService } from '@/core/ProxyAccountService.js';
import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
import { MetaService } from '@/core/MetaService.js';
import InstanceChart from '@/core/chart/charts/instance.js';
import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
@Injectable()
export class AccountMoveService {
@ -43,6 +46,9 @@ export class AccountMoveService {
@Inject(DI.userListJoiningsRepository)
private userListJoiningsRepository: UserListJoiningsRepository,
@Inject(DI.instancesRepository)
private instancesRepository: InstancesRepository,
private idService: IdService,
private userEntityService: UserEntityService,
private apRendererService: ApRendererService,
@ -51,6 +57,10 @@ export class AccountMoveService {
private userFollowingService: UserFollowingService,
private accountUpdateService: AccountUpdateService,
private proxyAccountService: ProxyAccountService,
private perUserFollowingChart: PerUserFollowingChart,
private federatedInstanceService: FederatedInstanceService,
private instanceChart: InstanceChart,
private metaService: MetaService,
private relayService: RelayService,
private cacheService: CacheService,
private queueService: QueueService,
@ -140,6 +150,10 @@ export class AccountMoveService {
if (!following.follower) continue;
followJobs.push({ from: { id: following.follower.id }, to: { id: dst.id } });
}
// Decrease following count instead of unfollowing.
await this.adjustFollowingCounts(followJobs.map(job => job.from.id), src);
// Should be queued because this can cause a number of follow per one move.
this.queueService.createFollowJob(followJobs);
}
@ -216,4 +230,28 @@ export class AccountMoveService {
return this.userEntityService.isRemoteUser(user)
? user.uri : `${this.config.url}/users/${user.id}`;
}
@bindThis
private async adjustFollowingCounts(localFollowerIds: string[], oldAccount: User) {
// Set the old account's following and followers counts to 0.
await this.usersRepository.update(oldAccount.id, { followersCount: 0, followingCount: 0 });
// Decrease following counts of local followers by 1.
await this.usersRepository.decrement({ id: In(localFollowerIds) }, 'followingCount', 1);
// Update instance stats by decreasing remote followers count by the number of local followers who were following the old account.
if (this.userEntityService.isRemoteUser(oldAccount)) {
this.federatedInstanceService.fetch(oldAccount.host).then(async i => {
this.instancesRepository.decrement({ id: i.id }, 'followersCount', localFollowerIds.length);
if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
this.instanceChart.updateFollowers(i.host, false);
}
});
}
// FIXME: expensive?
for (const followerId of localFollowerIds) {
this.perUserFollowingChart.update({ id: followerId, host: null }, oldAccount, false);
}
}
}

91
packages/backend/src/core/UserFollowingService.ts
View File

@ -230,32 +230,40 @@ export class UserFollowingService implements OnModuleInit {
this.globalEventService.publishInternalEvent('follow', { followerId: follower.id, followeeId: followee.id });
//#region Increment counts
await Promise.all([
this.usersRepository.increment({ id: follower.id }, 'followingCount', 1),
this.usersRepository.increment({ id: followee.id }, 'followersCount', 1),
const [followeeUser, followerUser] = await Promise.all([
this.usersRepository.findOneByOrFail({ id: followee.id }),
this.usersRepository.findOneByOrFail({ id: follower.id }),
]);
//#endregion
//#region Update instance stats
if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
this.federatedInstanceService.fetch(follower.host).then(async i => {
this.instancesRepository.increment({ id: i.id }, 'followingCount', 1);
if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
this.instanceChart.updateFollowing(i.host, true);
}
});
} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
this.federatedInstanceService.fetch(followee.host).then(async i => {
this.instancesRepository.increment({ id: i.id }, 'followersCount', 1);
if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
this.instanceChart.updateFollowers(i.host, true);
}
});
// Neither followee nor follower has moved.
if (!followeeUser.movedToUri && !followerUser.movedToUri) {
//#region Increment counts
await Promise.all([
this.usersRepository.increment({ id: follower.id }, 'followingCount', 1),
this.usersRepository.increment({ id: followee.id }, 'followersCount', 1),
]);
//#endregion
//#region Update instance stats
if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
this.federatedInstanceService.fetch(follower.host).then(async i => {
this.instancesRepository.increment({ id: i.id }, 'followingCount', 1);
if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
this.instanceChart.updateFollowing(i.host, true);
}
});
} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
this.federatedInstanceService.fetch(followee.host).then(async i => {
this.instancesRepository.increment({ id: i.id }, 'followersCount', 1);
if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
this.instanceChart.updateFollowers(i.host, true);
}
});
}
//#endregion
this.perUserFollowingChart.update(follower, followee, true);
}
//#endregion
this.perUserFollowingChart.update(follower, followee, true);
// Publish follow event
if (this.userEntityService.isLocalUser(follower) && !silent) {
@ -303,12 +311,18 @@ export class UserFollowingService implements OnModuleInit {
},
silent = false,
): Promise<void> {
const following = await this.followingsRepository.findOneBy({
followerId: follower.id,
followeeId: followee.id,
const following = await this.followingsRepository.findOne({
relations: {
follower: true,
followee: true,
},
where: {
followerId: follower.id,
followeeId: followee.id,
}
});
if (following == null) {
if (following === null) {
logger.warn('フォロー解除がリクエストされましたがフォローしていませんでした');
return;
}
@ -317,7 +331,10 @@ export class UserFollowingService implements OnModuleInit {
this.cacheService.userFollowingsCache.refresh(follower.id);
this.decrementFollowing(follower, followee);
// Neither followee nor follower has moved.
if (!following.followee?.movedToUri && !following.follower?.movedToUri) {
this.decrementFollowing(follower, followee);
}
// Publish unfollow event
if (!silent && this.userEntityService.isLocalUser(follower)) {
@ -582,15 +599,25 @@ export class UserFollowingService implements OnModuleInit {
*/
@bindThis
private async removeFollow(followee: Both, follower: Both): Promise<void> {
const following = await this.followingsRepository.findOneBy({
followeeId: followee.id,
followerId: follower.id,
const following = await this.followingsRepository.findOne({
relations: {
followee: true,
follower: true,
},
where: {
followeeId: followee.id,
followerId: follower.id,
}
});
if (!following) return;
await this.followingsRepository.delete(following.id);
this.decrementFollowing(follower, followee);
// Neither followee nor follower has moved.
if (!following.followee?.movedToUri && !following.follower?.movedToUri) {
this.decrementFollowing(follower, followee);
}
}
/**