548 lines
14 KiB
TypeScript
548 lines
14 KiB
TypeScript
import * as Bluebird from 'bluebird'
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import { values } from 'lodash'
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import * as Sequelize 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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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 { 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 { getServerActor } from '../../helpers/utils'
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import { ACTOR_FOLLOW_SCORE, FOLLOW_STATES } from '../../initializers/constants'
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import { ServerModel } from '../server/server'
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import { getSort } from '../utils'
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import { ActorModel, unusedActorAttributesForAPI } from './actor'
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import { VideoChannelModel } from '../video/video-channel'
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import { IIncludeOptions } from '../../../node_modules/sequelize-typescript/lib/interfaces/IIncludeOptions'
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import { AccountModel } from '../account/account'
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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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})
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export class ActorFollowModel extends Model<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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@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) {
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if (instance.state !== 'accepted') return undefined
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return Promise.all([
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ActorModel.incrementFollows(instance.actorId, 'followingCount', 1),
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ActorModel.incrementFollows(instance.targetActorId, 'followersCount', 1)
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])
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}
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@AfterDestroy
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static decrementFollowerAndFollowingCount (instance: ActorFollowModel) {
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return Promise.all([
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ActorModel.incrementFollows(instance.actorId, 'followingCount',-1),
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ActorModel.incrementFollows(instance.targetActorId, 'followersCount', -1)
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])
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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 loadByActorAndTarget (actorId: number, targetActorId: number, t?: Sequelize.Transaction) {
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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 (actorId: number, targetName: string, targetHost: string, t?: Sequelize.Transaction) {
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const actorFollowingPartInclude: IIncludeOptions = {
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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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.then(result => {
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if (result && result.ActorFollowing.VideoChannel) {
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result.ActorFollowing.VideoChannel.Actor = result.ActorFollowing
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}
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return result
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})
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}
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static listSubscribedIn (actorId: number, targets: { name: string, host?: string }[]) {
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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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[ Sequelize.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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[ Sequelize.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: [],
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where: {
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[ Sequelize.Op.and ]: [
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{
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[ Sequelize.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 (id: number, start: number, count: number, sort: string, search?: string) {
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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: getSort(sort),
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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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include: [
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{
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model: ServerModel,
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required: true,
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where: search ? {
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host: {
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[Sequelize.Op.iLike]: '%' + search + '%'
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}
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} : undefined
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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(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 (actorId: number, start: number, count: number, sort: string, search?: string) {
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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: getSort(sort),
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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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include: [
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{
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model: ServerModel,
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required: true,
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where: search ? {
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host: {
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[ Sequelize.Op.iLike ]: '%' + search + '%'
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}
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} : undefined
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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(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 (actorId: number, start: number, count: number, sort: string) {
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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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actorId: actorId
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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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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(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 listAcceptedFollowerUrlsForAP (actorIds: number[], t: Sequelize.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: Sequelize.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: Sequelize.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 updateFollowScore (inboxUrl: string, value: number, t?: Sequelize.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: Sequelize.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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private static async createListAcceptedFollowForApiQuery (
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type: 'followers' | 'following',
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actorIds: number[],
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t: Sequelize.Transaction,
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start?: number,
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count?: number,
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columnUrl = 'url',
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distinct = false
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) {
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let firstJoin: string
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let secondJoin: string
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if (type === 'followers') {
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firstJoin = 'targetActorId'
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secondJoin = 'actorId'
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} else {
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firstJoin = 'actorId'
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secondJoin = 'targetActorId'
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}
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const selections: string[] = []
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if (distinct === true) selections.push('DISTINCT("Follows"."' + columnUrl + '") AS "url"')
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else selections.push('"Follows"."' + columnUrl + '" AS "url"')
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selections.push('COUNT(*) AS "total"')
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const tasks: Bluebird<any>[] = []
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for (let selection of selections) {
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let query = 'SELECT ' + selection + ' FROM "actor" ' +
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'INNER JOIN "actorFollow" ON "actorFollow"."' + firstJoin + '" = "actor"."id" ' +
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'INNER JOIN "actor" AS "Follows" ON "actorFollow"."' + secondJoin + '" = "Follows"."id" ' +
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'WHERE "actor"."id" = ANY ($actorIds) AND "actorFollow"."state" = \'accepted\' '
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if (count !== undefined) query += 'LIMIT ' + count
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if (start !== undefined) query += ' OFFSET ' + start
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const options = {
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bind: { actorIds },
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type: Sequelize.QueryTypes.SELECT,
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transaction: t
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}
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tasks.push(ActorFollowModel.sequelize.query(query, options))
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}
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const [ followers, [ dataTotal ] ] = await Promise.all(tasks)
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const urls: string[] = followers.map(f => f.url)
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return {
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data: urls,
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total: dataTotal ? parseInt(dataTotal.total, 10) : 0
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}
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}
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private static listBadActorFollows () {
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const query = {
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where: {
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score: {
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[Sequelize.Op.lte]: 0
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}
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},
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logging: false
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}
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return ActorFollowModel.findAll(query)
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}
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toFormattedJSON (): ActorFollow {
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const follower = this.ActorFollower.toFormattedJSON()
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const following = this.ActorFollowing.toFormattedJSON()
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return {
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id: this.id,
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follower,
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following,
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score: this.score,
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state: this.state,
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createdAt: this.createdAt,
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updatedAt: this.updatedAt
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}
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}
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}
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