PeerTube/server/models/video/video-share.ts

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import { literal, Op, QueryTypes, Transaction } from 'sequelize'
import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Is, Model, Scopes, Table, UpdatedAt } from 'sequelize-typescript'
import { AttributesOnly } from '@shared/typescript-utils'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
import { CONSTRAINTS_FIELDS } from '../../initializers/constants'
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import { MActorDefault, MActorFollowersUrl, MActorId } from '../../types/models'
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import { MVideoShareActor, MVideoShareFull } from '../../types/models/video'
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import { ActorModel } from '../actor/actor'
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import { buildLocalActorIdsIn, throwIfNotValid } from '../utils'
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import { VideoModel } from './video'
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enum ScopeNames {
FULL = 'FULL',
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WITH_ACTOR = 'WITH_ACTOR'
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}
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@Scopes(() => ({
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[ScopeNames.FULL]: {
include: [
{
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model: ActorModel,
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required: true
},
{
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model: VideoModel,
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required: true
}
]
},
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[ScopeNames.WITH_ACTOR]: {
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include: [
{
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model: ActorModel,
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required: true
}
]
}
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}))
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@Table({
tableName: 'videoShare',
indexes: [
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{
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fields: [ 'actorId' ]
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},
{
fields: [ 'videoId' ]
},
{
fields: [ 'url' ],
unique: true
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}
]
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})
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export class VideoShareModel extends Model<Partial<AttributesOnly<VideoShareModel>>> {
@AllowNull(false)
@Is('VideoShareUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
@Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_SHARE.URL.max))
url: string
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@CreatedAt
createdAt: Date
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@UpdatedAt
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: {
allowNull: false
},
onDelete: 'cascade'
})
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Actor: ActorModel
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@ForeignKey(() => VideoModel)
@Column
videoId: number
@BelongsTo(() => VideoModel, {
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foreignKey: {
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allowNull: false
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},
onDelete: 'cascade'
})
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Video: VideoModel
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static load (actorId: number | string, videoId: number | string, t?: Transaction): Promise<MVideoShareActor> {
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return VideoShareModel.scope(ScopeNames.WITH_ACTOR).findOne({
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where: {
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actorId,
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videoId
},
transaction: t
})
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}
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static loadByUrl (url: string, t: Transaction): Promise<MVideoShareFull> {
return VideoShareModel.scope(ScopeNames.FULL).findOne({
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where: {
url
},
transaction: t
})
}
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static listActorIdsAndFollowerUrlsByShare (videoId: number, t: Transaction) {
const query = `SELECT "actor"."id" AS "id", "actor"."followersUrl" AS "followersUrl" ` +
`FROM "videoShare" ` +
`INNER JOIN "actor" ON "actor"."id" = "videoShare"."actorId" ` +
`WHERE "videoShare"."videoId" = :videoId`
const options = {
type: QueryTypes.SELECT as QueryTypes.SELECT,
replacements: { videoId },
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transaction: t
}
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return VideoShareModel.sequelize.query<MActorId & MActorFollowersUrl>(query, options)
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}
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static loadActorsWhoSharedVideosOf (actorOwnerId: number, t: Transaction): Promise<MActorDefault[]> {
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const safeOwnerId = parseInt(actorOwnerId + '', 10)
// /!\ On actor model
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const query = {
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where: {
[Op.and]: [
literal(
`EXISTS (` +
` SELECT 1 FROM "videoShare" ` +
` INNER JOIN "video" ON "videoShare"."videoId" = "video"."id" ` +
` INNER JOIN "videoChannel" ON "videoChannel"."id" = "video"."channelId" ` +
` INNER JOIN "account" ON "account"."id" = "videoChannel"."accountId" ` +
` WHERE "videoShare"."actorId" = "ActorModel"."id" AND "account"."actorId" = ${safeOwnerId} ` +
` LIMIT 1` +
`)`
)
]
},
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transaction: t
}
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return ActorModel.findAll(query)
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}
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static loadActorsByVideoChannel (videoChannelId: number, t: Transaction): Promise<MActorDefault[]> {
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const safeChannelId = parseInt(videoChannelId + '', 10)
// /!\ On actor model
const query = {
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where: {
[Op.and]: [
literal(
`EXISTS (` +
` SELECT 1 FROM "videoShare" ` +
` INNER JOIN "video" ON "videoShare"."videoId" = "video"."id" ` +
` WHERE "videoShare"."actorId" = "ActorModel"."id" AND "video"."channelId" = ${safeChannelId} ` +
` LIMIT 1` +
`)`
)
]
},
transaction: t
}
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return ActorModel.findAll(query)
}
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static listAndCountByVideoId (videoId: number, start: number, count: number, t?: Transaction) {
const query = {
offset: start,
limit: count,
where: {
videoId
},
transaction: t
}
return Promise.all([
VideoShareModel.count(query),
VideoShareModel.findAll(query)
]).then(([ total, data ]) => ({ total, data }))
}
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static listRemoteShareUrlsOfLocalVideos () {
const query = `SELECT "videoShare".url FROM "videoShare" ` +
`INNER JOIN actor ON actor.id = "videoShare"."actorId" AND actor."serverId" IS NOT NULL ` +
`INNER JOIN video ON video.id = "videoShare"."videoId" AND video.remote IS FALSE`
return VideoShareModel.sequelize.query<{ url: string }>(query, {
type: QueryTypes.SELECT,
raw: true
}).then(rows => rows.map(r => r.url))
}
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static cleanOldSharesOf (videoId: number, beforeUpdatedAt: Date) {
const query = {
where: {
updatedAt: {
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[Op.lt]: beforeUpdatedAt
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},
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videoId,
actorId: {
[Op.notIn]: buildLocalActorIdsIn()
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}
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}
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}
return VideoShareModel.destroy(query)
}
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}