714 lines
18 KiB
TypeScript
714 lines
18 KiB
TypeScript
import { difference, values } from 'lodash'
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import { IncludeOptions, Op, QueryTypes, Transaction, WhereOptions } from 'sequelize'
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import {
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AfterCreate,
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AfterDestroy,
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AfterUpdate,
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AllowNull,
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BelongsTo,
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Column,
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CreatedAt,
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DataType,
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Default,
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ForeignKey,
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Is,
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IsInt,
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Max,
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Model,
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Table,
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UpdatedAt
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} from 'sequelize-typescript'
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import { isActivityPubUrlValid } from '@server/helpers/custom-validators/activitypub/misc'
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import { getServerActor } from '@server/models/application/application'
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import {
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MActorFollowActorsDefault,
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MActorFollowActorsDefaultSubscription,
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MActorFollowFollowingHost,
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MActorFollowFormattable,
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MActorFollowSubscriptions
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} from '@server/types/models'
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import { AttributesOnly } from '@shared/core-utils'
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import { ActivityPubActorType } from '@shared/models'
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import { FollowState } from '../../../shared/models/actors'
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import { ActorFollow } from '../../../shared/models/actors/follow.model'
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import { logger } from '../../helpers/logger'
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import { ACTOR_FOLLOW_SCORE, CONSTRAINTS_FIELDS, FOLLOW_STATES, SERVER_ACTOR_NAME } from '../../initializers/constants'
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import { AccountModel } from '../account/account'
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import { ServerModel } from '../server/server'
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import { doesExist } from '../shared/query'
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import { createSafeIn, getFollowsSort, getSort, searchAttribute, throwIfNotValid } from '../utils'
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import { VideoChannelModel } from '../video/video-channel'
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import { ActorModel, unusedActorAttributesForAPI } from './actor'
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@Table({
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tableName: 'actorFollow',
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indexes: [
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{
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fields: [ 'actorId' ]
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},
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{
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fields: [ 'targetActorId' ]
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},
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{
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fields: [ 'actorId', 'targetActorId' ],
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unique: true
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},
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{
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fields: [ 'score' ]
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},
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{
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fields: [ 'url' ],
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unique: true
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}
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]
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})
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export class ActorFollowModel extends Model<Partial<AttributesOnly<ActorFollowModel>>> {
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@AllowNull(false)
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@Column(DataType.ENUM(...values(FOLLOW_STATES)))
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state: FollowState
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@AllowNull(false)
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@Default(ACTOR_FOLLOW_SCORE.BASE)
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@IsInt
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@Max(ACTOR_FOLLOW_SCORE.MAX)
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@Column
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score: number
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// Allow null because we added this column in PeerTube v3, and don't want to generate fake URLs of remote follows
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@AllowNull(true)
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@Is('ActorFollowUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.COMMONS.URL.max))
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url: string
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@CreatedAt
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createdAt: Date
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@UpdatedAt
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updatedAt: Date
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@ForeignKey(() => ActorModel)
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@Column
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actorId: number
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@BelongsTo(() => ActorModel, {
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foreignKey: {
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name: 'actorId',
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allowNull: false
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},
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as: 'ActorFollower',
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onDelete: 'CASCADE'
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})
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ActorFollower: ActorModel
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@ForeignKey(() => ActorModel)
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@Column
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targetActorId: number
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@BelongsTo(() => ActorModel, {
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foreignKey: {
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name: 'targetActorId',
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allowNull: false
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},
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as: 'ActorFollowing',
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onDelete: 'CASCADE'
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})
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ActorFollowing: ActorModel
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@AfterCreate
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@AfterUpdate
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static incrementFollowerAndFollowingCount (instance: ActorFollowModel, options: any) {
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if (instance.state !== 'accepted') return undefined
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return Promise.all([
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ActorModel.rebuildFollowsCount(instance.actorId, 'following', options.transaction),
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ActorModel.rebuildFollowsCount(instance.targetActorId, 'followers', options.transaction)
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])
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}
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@AfterDestroy
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static decrementFollowerAndFollowingCount (instance: ActorFollowModel, options: any) {
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return Promise.all([
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ActorModel.rebuildFollowsCount(instance.actorId, 'following', options.transaction),
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ActorModel.rebuildFollowsCount(instance.targetActorId, 'followers', options.transaction)
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])
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}
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static removeFollowsOf (actorId: number, t?: Transaction) {
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const query = {
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where: {
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[Op.or]: [
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{
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actorId
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},
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{
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targetActorId: actorId
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}
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]
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},
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transaction: t
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}
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return ActorFollowModel.destroy(query)
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}
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// Remove actor follows with a score of 0 (too many requests where they were unreachable)
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static async removeBadActorFollows () {
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const actorFollows = await ActorFollowModel.listBadActorFollows()
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const actorFollowsRemovePromises = actorFollows.map(actorFollow => actorFollow.destroy())
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await Promise.all(actorFollowsRemovePromises)
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const numberOfActorFollowsRemoved = actorFollows.length
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if (numberOfActorFollowsRemoved) logger.info('Removed bad %d actor follows.', numberOfActorFollowsRemoved)
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}
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static isFollowedBy (actorId: number, followerActorId: number) {
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const query = 'SELECT 1 FROM "actorFollow" WHERE "actorId" = $followerActorId AND "targetActorId" = $actorId LIMIT 1'
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return doesExist(query, { actorId, followerActorId })
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}
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static loadByActorAndTarget (actorId: number, targetActorId: number, t?: Transaction): Promise<MActorFollowActorsDefault> {
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const query = {
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where: {
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actorId,
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targetActorId: targetActorId
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},
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include: [
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{
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model: ActorModel,
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required: true,
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as: 'ActorFollower'
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},
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{
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model: ActorModel,
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required: true,
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as: 'ActorFollowing'
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}
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],
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transaction: t
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}
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return ActorFollowModel.findOne(query)
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}
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static loadByActorAndTargetNameAndHostForAPI (
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actorId: number,
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targetName: string,
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targetHost: string,
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t?: Transaction
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): Promise<MActorFollowActorsDefaultSubscription> {
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const actorFollowingPartInclude: IncludeOptions = {
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model: ActorModel,
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required: true,
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as: 'ActorFollowing',
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where: {
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preferredUsername: targetName
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},
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include: [
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{
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model: VideoChannelModel.unscoped(),
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required: false
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}
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]
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}
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if (targetHost === null) {
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actorFollowingPartInclude.where['serverId'] = null
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} else {
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actorFollowingPartInclude.include.push({
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model: ServerModel,
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required: true,
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where: {
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host: targetHost
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}
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})
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}
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const query = {
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where: {
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actorId
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},
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include: [
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actorFollowingPartInclude,
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{
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model: ActorModel,
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required: true,
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as: 'ActorFollower'
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}
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],
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transaction: t
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}
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return ActorFollowModel.findOne(query)
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}
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static listSubscribedIn (actorId: number, targets: { name: string, host?: string }[]): Promise<MActorFollowFollowingHost[]> {
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const whereTab = targets
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.map(t => {
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if (t.host) {
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return {
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[Op.and]: [
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{
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$preferredUsername$: t.name
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},
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{
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$host$: t.host
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}
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]
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}
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}
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return {
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[Op.and]: [
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{
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$preferredUsername$: t.name
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},
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{
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$serverId$: null
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}
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]
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}
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})
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const query = {
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attributes: [ 'id' ],
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where: {
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[Op.and]: [
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{
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[Op.or]: whereTab
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},
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{
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actorId
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}
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]
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},
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include: [
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{
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attributes: [ 'preferredUsername' ],
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model: ActorModel.unscoped(),
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required: true,
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as: 'ActorFollowing',
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include: [
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{
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attributes: [ 'host' ],
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model: ServerModel.unscoped(),
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required: false
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}
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]
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}
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]
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}
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return ActorFollowModel.findAll(query)
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}
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static listFollowingForApi (options: {
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id: number
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start: number
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count: number
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sort: string
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state?: FollowState
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actorType?: ActivityPubActorType
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search?: string
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}) {
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const { id, start, count, sort, search, state, actorType } = options
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const followWhere = state ? { state } : {}
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const followingWhere: WhereOptions = {}
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if (search) {
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Object.assign(followWhere, {
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[Op.or]: [
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searchAttribute(options.search, '$ActorFollowing.preferredUsername$'),
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searchAttribute(options.search, '$ActorFollowing.Server.host$')
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]
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})
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}
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if (actorType) {
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Object.assign(followingWhere, { type: actorType })
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}
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const query = {
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distinct: true,
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offset: start,
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limit: count,
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order: getFollowsSort(sort),
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where: followWhere,
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include: [
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{
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model: ActorModel,
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required: true,
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as: 'ActorFollower',
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where: {
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id
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}
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},
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{
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model: ActorModel,
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as: 'ActorFollowing',
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required: true,
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where: followingWhere,
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include: [
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{
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model: ServerModel,
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required: true
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}
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]
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}
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]
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}
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return ActorFollowModel.findAndCountAll<MActorFollowActorsDefault>(query)
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.then(({ rows, count }) => {
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return {
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data: rows,
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total: count
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}
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})
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}
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static listFollowersForApi (options: {
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actorId: number
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start: number
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count: number
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sort: string
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state?: FollowState
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actorType?: ActivityPubActorType
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search?: string
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}) {
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const { actorId, start, count, sort, search, state, actorType } = options
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const followWhere = state ? { state } : {}
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const followerWhere: WhereOptions = {}
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if (search) {
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Object.assign(followWhere, {
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[Op.or]: [
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searchAttribute(search, '$ActorFollower.preferredUsername$'),
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searchAttribute(search, '$ActorFollower.Server.host$')
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]
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})
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}
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if (actorType) {
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Object.assign(followerWhere, { type: actorType })
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}
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const query = {
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distinct: true,
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offset: start,
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limit: count,
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order: getFollowsSort(sort),
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where: followWhere,
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include: [
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{
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model: ActorModel,
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required: true,
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as: 'ActorFollower',
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where: followerWhere,
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include: [
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{
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model: ServerModel,
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required: true
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}
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]
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},
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{
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model: ActorModel,
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as: 'ActorFollowing',
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required: true,
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where: {
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id: actorId
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}
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}
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]
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}
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return ActorFollowModel.findAndCountAll<MActorFollowActorsDefault>(query)
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.then(({ rows, count }) => {
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return {
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data: rows,
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total: count
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}
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})
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}
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static listSubscriptionsForApi (options: {
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actorId: number
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start: number
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count: number
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sort: string
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search?: string
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}) {
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const { actorId, start, count, sort } = options
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const where = {
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actorId: actorId
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}
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if (options.search) {
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Object.assign(where, {
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[Op.or]: [
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searchAttribute(options.search, '$ActorFollowing.preferredUsername$'),
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searchAttribute(options.search, '$ActorFollowing.VideoChannel.name$')
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]
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})
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}
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const query = {
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attributes: [],
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distinct: true,
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offset: start,
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limit: count,
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order: getSort(sort),
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where,
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include: [
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{
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attributes: [ 'id' ],
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model: ActorModel.unscoped(),
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as: 'ActorFollowing',
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required: true,
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include: [
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{
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model: VideoChannelModel.unscoped(),
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required: true,
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include: [
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{
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attributes: {
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exclude: unusedActorAttributesForAPI
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},
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model: ActorModel,
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required: true
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},
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{
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model: AccountModel.unscoped(),
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required: true,
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include: [
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{
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attributes: {
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exclude: unusedActorAttributesForAPI
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},
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model: ActorModel,
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required: true
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}
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]
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}
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]
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}
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]
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}
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]
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}
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return ActorFollowModel.findAndCountAll<MActorFollowSubscriptions>(query)
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.then(({ rows, count }) => {
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return {
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data: rows.map(r => r.ActorFollowing.VideoChannel),
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total: count
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}
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})
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}
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static async keepUnfollowedInstance (hosts: string[]) {
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const followerId = (await getServerActor()).id
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const query = {
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attributes: [ 'id' ],
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where: {
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actorId: followerId
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},
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include: [
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{
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attributes: [ 'id' ],
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model: ActorModel.unscoped(),
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required: true,
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as: 'ActorFollowing',
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where: {
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preferredUsername: SERVER_ACTOR_NAME
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},
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include: [
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{
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attributes: [ 'host' ],
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model: ServerModel.unscoped(),
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required: true,
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where: {
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host: {
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[Op.in]: hosts
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}
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}
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}
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]
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}
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]
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}
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const res = await ActorFollowModel.findAll(query)
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const followedHosts = res.map(row => row.ActorFollowing.Server.host)
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return difference(hosts, followedHosts)
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}
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static listAcceptedFollowerUrlsForAP (actorIds: number[], t: Transaction, start?: number, count?: number) {
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return ActorFollowModel.createListAcceptedFollowForApiQuery('followers', actorIds, t, start, count)
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}
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static listAcceptedFollowerSharedInboxUrls (actorIds: number[], t: Transaction) {
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return ActorFollowModel.createListAcceptedFollowForApiQuery(
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'followers',
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actorIds,
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t,
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undefined,
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undefined,
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'sharedInboxUrl',
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true
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)
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}
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static listAcceptedFollowingUrlsForApi (actorIds: number[], t: Transaction, start?: number, count?: number) {
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return ActorFollowModel.createListAcceptedFollowForApiQuery('following', actorIds, t, start, count)
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}
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static async getStats () {
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const serverActor = await getServerActor()
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const totalInstanceFollowing = await ActorFollowModel.count({
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where: {
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actorId: serverActor.id
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}
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})
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const totalInstanceFollowers = await ActorFollowModel.count({
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where: {
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targetActorId: serverActor.id
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}
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})
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return {
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totalInstanceFollowing,
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totalInstanceFollowers
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}
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}
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static updateScore (inboxUrl: string, value: number, t?: Transaction) {
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const query = `UPDATE "actorFollow" SET "score" = LEAST("score" + ${value}, ${ACTOR_FOLLOW_SCORE.MAX}) ` +
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'WHERE id IN (' +
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'SELECT "actorFollow"."id" FROM "actorFollow" ' +
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'INNER JOIN "actor" ON "actor"."id" = "actorFollow"."actorId" ' +
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`WHERE "actor"."inboxUrl" = '${inboxUrl}' OR "actor"."sharedInboxUrl" = '${inboxUrl}'` +
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')'
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const options = {
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type: QueryTypes.BULKUPDATE,
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transaction: t
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}
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return ActorFollowModel.sequelize.query(query, options)
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}
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static async updateScoreByFollowingServers (serverIds: number[], value: number, t?: Transaction) {
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if (serverIds.length === 0) return
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const me = await getServerActor()
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const serverIdsString = createSafeIn(ActorFollowModel.sequelize, serverIds)
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const query = `UPDATE "actorFollow" SET "score" = LEAST("score" + ${value}, ${ACTOR_FOLLOW_SCORE.MAX}) ` +
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'WHERE id IN (' +
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'SELECT "actorFollow"."id" FROM "actorFollow" ' +
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'INNER JOIN "actor" ON "actor"."id" = "actorFollow"."targetActorId" ' +
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`WHERE "actorFollow"."actorId" = ${me.Account.actorId} ` + // I'm the follower
|
|
`AND "actor"."serverId" IN (${serverIdsString})` + // Criteria on followings
|
|
')'
|
|
|
|
const options = {
|
|
type: QueryTypes.BULKUPDATE,
|
|
transaction: t
|
|
}
|
|
|
|
return ActorFollowModel.sequelize.query(query, options)
|
|
}
|
|
|
|
private static async createListAcceptedFollowForApiQuery (
|
|
type: 'followers' | 'following',
|
|
actorIds: number[],
|
|
t: Transaction,
|
|
start?: number,
|
|
count?: number,
|
|
columnUrl = 'url',
|
|
distinct = false
|
|
) {
|
|
let firstJoin: string
|
|
let secondJoin: string
|
|
|
|
if (type === 'followers') {
|
|
firstJoin = 'targetActorId'
|
|
secondJoin = 'actorId'
|
|
} else {
|
|
firstJoin = 'actorId'
|
|
secondJoin = 'targetActorId'
|
|
}
|
|
|
|
const selections: string[] = []
|
|
if (distinct === true) selections.push(`DISTINCT("Follows"."${columnUrl}") AS "selectionUrl"`)
|
|
else selections.push(`"Follows"."${columnUrl}" AS "selectionUrl"`)
|
|
|
|
selections.push('COUNT(*) AS "total"')
|
|
|
|
const tasks: Promise<any>[] = []
|
|
|
|
for (const selection of selections) {
|
|
let query = 'SELECT ' + selection + ' FROM "actor" ' +
|
|
'INNER JOIN "actorFollow" ON "actorFollow"."' + firstJoin + '" = "actor"."id" ' +
|
|
'INNER JOIN "actor" AS "Follows" ON "actorFollow"."' + secondJoin + '" = "Follows"."id" ' +
|
|
`WHERE "actor"."id" = ANY ($actorIds) AND "actorFollow"."state" = 'accepted' AND "Follows"."${columnUrl}" IS NOT NULL `
|
|
|
|
if (count !== undefined) query += 'LIMIT ' + count
|
|
if (start !== undefined) query += ' OFFSET ' + start
|
|
|
|
const options = {
|
|
bind: { actorIds },
|
|
type: QueryTypes.SELECT,
|
|
transaction: t
|
|
}
|
|
tasks.push(ActorFollowModel.sequelize.query(query, options))
|
|
}
|
|
|
|
const [ followers, [ dataTotal ] ] = await Promise.all(tasks)
|
|
const urls: string[] = followers.map(f => f.selectionUrl)
|
|
|
|
return {
|
|
data: urls,
|
|
total: dataTotal ? parseInt(dataTotal.total, 10) : 0
|
|
}
|
|
}
|
|
|
|
private static listBadActorFollows () {
|
|
const query = {
|
|
where: {
|
|
score: {
|
|
[Op.lte]: 0
|
|
}
|
|
},
|
|
logging: false
|
|
}
|
|
|
|
return ActorFollowModel.findAll(query)
|
|
}
|
|
|
|
toFormattedJSON (this: MActorFollowFormattable): ActorFollow {
|
|
const follower = this.ActorFollower.toFormattedJSON()
|
|
const following = this.ActorFollowing.toFormattedJSON()
|
|
|
|
return {
|
|
id: this.id,
|
|
follower,
|
|
following,
|
|
score: this.score,
|
|
state: this.state,
|
|
createdAt: this.createdAt,
|
|
updatedAt: this.updatedAt
|
|
}
|
|
}
|
|
}
|