import { uniq } from 'lodash'
import { FindAndCountOptions, FindOptions, Op, Order, QueryTypes, ScopeOptions, Sequelize, Transaction, WhereOptions } from 'sequelize'
import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
ForeignKey,
HasMany,
Is,
Model,
Scopes,
Table,
UpdatedAt
} from 'sequelize-typescript'
import { getServerActor } from '@server/models/application/application'
import { MAccount, MAccountId, MUserAccountId } from '@server/types/models'
import { AttributesOnly } from '@shared/core-utils'
import { VideoPrivacy } from '@shared/models'
import { ActivityTagObject, ActivityTombstoneObject } from '../../../shared/models/activitypub/objects/common-objects'
import { VideoCommentObject } from '../../../shared/models/activitypub/objects/video-comment-object'
import { VideoComment, VideoCommentAdmin } from '../../../shared/models/videos/comment/video-comment.model'
import { actorNameAlphabet } from '../../helpers/custom-validators/activitypub/actor'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
import { regexpCapture } from '../../helpers/regexp'
import { CONSTRAINTS_FIELDS, WEBSERVER } from '../../initializers/constants'
import {
MComment,
MCommentAdminFormattable,
MCommentAP,
MCommentFormattable,
MCommentId,
MCommentOwner,
MCommentOwnerReplyVideoLight,
MCommentOwnerVideo,
MCommentOwnerVideoFeed,
MCommentOwnerVideoReply,
MVideoImmutable
} from '../../types/models/video'
import { VideoCommentAbuseModel } from '../abuse/video-comment-abuse'
import { AccountModel } from '../account/account'
import { ActorModel, unusedActorAttributesForAPI } from '../actor/actor'
import {
buildBlockedAccountSQL,
buildBlockedAccountSQLOptimized,
buildLocalAccountIdsIn,
getCommentSort,
searchAttribute,
throwIfNotValid
} from '../utils'
import { VideoModel } from './video'
import { VideoChannelModel } from './video-channel'
export enum ScopeNames {
WITH_ACCOUNT = 'WITH_ACCOUNT',
WITH_ACCOUNT_FOR_API = 'WITH_ACCOUNT_FOR_API',
WITH_IN_REPLY_TO = 'WITH_IN_REPLY_TO',
WITH_VIDEO = 'WITH_VIDEO',
ATTRIBUTES_FOR_API = 'ATTRIBUTES_FOR_API'
}
@Scopes(() => ({
[ScopeNames.ATTRIBUTES_FOR_API]: (blockerAccountIds: number[]) => {
return {
attributes: {
include: [
[
Sequelize.literal(
'(' +
'WITH "blocklist" AS (' + buildBlockedAccountSQL(blockerAccountIds) + ')' +
'SELECT COUNT("replies"."id") ' +
'FROM "videoComment" AS "replies" ' +
'WHERE "replies"."originCommentId" = "VideoCommentModel"."id" ' +
'AND "deletedAt" IS NULL ' +
'AND "accountId" NOT IN (SELECT "id" FROM "blocklist")' +
')'
),
'totalReplies'
],
[
Sequelize.literal(
'(' +
'SELECT COUNT("replies"."id") ' +
'FROM "videoComment" AS "replies" ' +
'INNER JOIN "video" ON "video"."id" = "replies"."videoId" ' +
'INNER JOIN "videoChannel" ON "videoChannel"."id" = "video"."channelId" ' +
'WHERE "replies"."originCommentId" = "VideoCommentModel"."id" ' +
'AND "replies"."accountId" = "videoChannel"."accountId"' +
')'
),
'totalRepliesFromVideoAuthor'
]
]
}
} as FindOptions
},
[ScopeNames.WITH_ACCOUNT]: {
include: [
{
model: AccountModel
}
]
},
[ScopeNames.WITH_ACCOUNT_FOR_API]: {
include: [
{
model: AccountModel.unscoped(),
include: [
{
attributes: {
exclude: unusedActorAttributesForAPI
},
model: ActorModel, // Default scope includes avatar and server
required: true
}
]
}
]
},
[ScopeNames.WITH_IN_REPLY_TO]: {
include: [
{
model: VideoCommentModel,
as: 'InReplyToVideoComment'
}
]
},
[ScopeNames.WITH_VIDEO]: {
include: [
{
model: VideoModel,
required: true,
include: [
{
model: VideoChannelModel,
required: true,
include: [
{
model: AccountModel,
required: true
}
]
}
]
}
]
}
}))
@Table({
tableName: 'videoComment',
indexes: [
{
fields: [ 'videoId' ]
},
{
fields: [ 'videoId', 'originCommentId' ]
},
{
fields: [ 'url' ],
unique: true
},
{
fields: [ 'accountId' ]
},
{
fields: [
{ name: 'createdAt', order: 'DESC' }
]
}
]
})
export class VideoCommentModel extends Model<Partial<AttributesOnly<VideoCommentModel>>> {
@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@AllowNull(true)
@Column(DataType.DATE)
deletedAt: Date
@AllowNull(false)
@Is('VideoCommentUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
@Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS.URL.max))
url: string
@AllowNull(false)
@Column(DataType.TEXT)
text: string
@ForeignKey(() => VideoCommentModel)
@Column
originCommentId: number
@BelongsTo(() => VideoCommentModel, {
foreignKey: {
name: 'originCommentId',
allowNull: true
},
as: 'OriginVideoComment',
onDelete: 'CASCADE'
})
OriginVideoComment: VideoCommentModel
@ForeignKey(() => VideoCommentModel)
@Column
inReplyToCommentId: number
@BelongsTo(() => VideoCommentModel, {
foreignKey: {
name: 'inReplyToCommentId',
allowNull: true
},
as: 'InReplyToVideoComment',
onDelete: 'CASCADE'
})
InReplyToVideoComment: VideoCommentModel | null
@ForeignKey(() => VideoModel)
@Column
videoId: number
@BelongsTo(() => VideoModel, {
foreignKey: {
allowNull: false
},
onDelete: 'CASCADE'
})
Video: VideoModel
@ForeignKey(() => AccountModel)
@Column
accountId: number
@BelongsTo(() => AccountModel, {
foreignKey: {
allowNull: true
},
onDelete: 'CASCADE'
})
Account: AccountModel
@HasMany(() => VideoCommentAbuseModel, {
foreignKey: {
name: 'videoCommentId',
allowNull: true
},
onDelete: 'set null'
})
CommentAbuses: VideoCommentAbuseModel[]
static loadById (id: number, t?: Transaction): Promise<MComment> {
const query: FindOptions = {
where: {
id
}
}
if (t !== undefined) query.transaction = t
return VideoCommentModel.findOne(query)
}
static loadByIdAndPopulateVideoAndAccountAndReply (id: number, t?: Transaction): Promise<MCommentOwnerVideoReply> {
const query: FindOptions = {
where: {
id
}
}
if (t !== undefined) query.transaction = t
return VideoCommentModel
.scope([ ScopeNames.WITH_VIDEO, ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_IN_REPLY_TO ])
.findOne(query)
}
static loadByUrlAndPopulateAccountAndVideo (url: string, t?: Transaction): Promise<MCommentOwnerVideo> {
const query: FindOptions = {
where: {
url
}
}
if (t !== undefined) query.transaction = t
return VideoCommentModel.scope([ ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_VIDEO ]).findOne(query)
}
static loadByUrlAndPopulateReplyAndVideoUrlAndAccount (url: string, t?: Transaction): Promise<MCommentOwnerReplyVideoLight> {
const query: FindOptions = {
where: {
url
},
include: [
{
attributes: [ 'id', 'url' ],
model: VideoModel.unscoped()
}
]
}
if (t !== undefined) query.transaction = t
return VideoCommentModel.scope([ ScopeNames.WITH_IN_REPLY_TO, ScopeNames.WITH_ACCOUNT ]).findOne(query)
}
static listCommentsForApi (parameters: {
start: number
count: number
sort: string
isLocal?: boolean
search?: string
searchAccount?: string
searchVideo?: string
}) {
const { start, count, sort, isLocal, search, searchAccount, searchVideo } = parameters
const where: WhereOptions = {
deletedAt: null
}
const whereAccount: WhereOptions = {}
const whereActor: WhereOptions = {}
const whereVideo: WhereOptions = {}
if (isLocal === true) {
Object.assign(whereActor, {
serverId: null
})
} else if (isLocal === false) {
Object.assign(whereActor, {
serverId: {
[Op.ne]: null
}
})
}
if (search) {
Object.assign(where, {
[Op.or]: [
searchAttribute(search, 'text'),
searchAttribute(search, '$Account.Actor.preferredUsername$'),
searchAttribute(search, '$Account.name$'),
searchAttribute(search, '$Video.name$')
]
})
}
if (searchAccount) {
Object.assign(whereActor, {
[Op.or]: [
searchAttribute(searchAccount, '$Account.Actor.preferredUsername$'),
searchAttribute(searchAccount, '$Account.name$')
]
})
}
if (searchVideo) {
Object.assign(whereVideo, searchAttribute(searchVideo, 'name'))
}
const query: FindAndCountOptions = {
offset: start,
limit: count,
order: getCommentSort(sort),
where,
include: [
{
model: AccountModel.unscoped(),
required: true,
where: whereAccount,
include: [
{
attributes: {
exclude: unusedActorAttributesForAPI
},
model: ActorModel, // Default scope includes avatar and server
required: true,
where: whereActor
}
]
},
{
model: VideoModel.unscoped(),
required: true,
where: whereVideo
}
]
}
return VideoCommentModel
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows }
})
}
static async listThreadsForApi (parameters: {
videoId: number
isVideoOwned: boolean
start: number
count: number
sort: string
user?: MUserAccountId
}) {
const { videoId, isVideoOwned, start, count, sort, user } = parameters
const blockerAccountIds = await VideoCommentModel.buildBlockerAccountIds({ videoId, user, isVideoOwned })
const accountBlockedWhere = {
accountId: {
[Op.notIn]: Sequelize.literal(
'(' + buildBlockedAccountSQL(blockerAccountIds) + ')'
)
}
}
const queryList = {
offset: start,
limit: count,
order: getCommentSort(sort),
where: {
[Op.and]: [
{
videoId
},
{
inReplyToCommentId: null
},
{
[Op.or]: [
accountBlockedWhere,
{
accountId: null
}
]
}
]
}
}
const scopesList: (string | ScopeOptions)[] = [
ScopeNames.WITH_ACCOUNT_FOR_API,
{
method: [ ScopeNames.ATTRIBUTES_FOR_API, blockerAccountIds ]
}
]
const queryCount = {
where: {
videoId,
deletedAt: null,
...accountBlockedWhere
}
}
return Promise.all([
VideoCommentModel.scope(scopesList).findAndCountAll(queryList),
VideoCommentModel.count(queryCount)
]).then(([ { rows, count }, totalNotDeletedComments ]) => {
return { total: count, data: rows, totalNotDeletedComments }
})
}
static async listThreadCommentsForApi (parameters: {
videoId: number
isVideoOwned: boolean
threadId: number
user?: MUserAccountId
}) {
const { videoId, threadId, user, isVideoOwned } = parameters
const blockerAccountIds = await VideoCommentModel.buildBlockerAccountIds({ videoId, user, isVideoOwned })
const query = {
order: [ [ 'createdAt', 'ASC' ], [ 'updatedAt', 'ASC' ] ] as Order,
where: {
videoId,
[Op.and]: [
{
[Op.or]: [
{ id: threadId },
{ originCommentId: threadId }
]
},
{
[Op.or]: [
{
accountId: {
[Op.notIn]: Sequelize.literal(
'(' + buildBlockedAccountSQL(blockerAccountIds) + ')'
)
}
},
{
accountId: null
}
]
}
]
}
}
const scopes: any[] = [
ScopeNames.WITH_ACCOUNT_FOR_API,
{
method: [ ScopeNames.ATTRIBUTES_FOR_API, blockerAccountIds ]
}
]
return VideoCommentModel.scope(scopes)
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows }
})
}
static listThreadParentComments (comment: MCommentId, t: Transaction, order: 'ASC' | 'DESC' = 'ASC'): Promise<MCommentOwner[]> {
const query = {
order: [ [ 'createdAt', order ] ] as Order,
where: {
id: {
[Op.in]: Sequelize.literal('(' +
'WITH RECURSIVE children (id, "inReplyToCommentId") AS ( ' +
`SELECT id, "inReplyToCommentId" FROM "videoComment" WHERE id = ${comment.id} ` +
'UNION ' +
'SELECT "parent"."id", "parent"."inReplyToCommentId" FROM "videoComment" "parent" ' +
'INNER JOIN "children" ON "children"."inReplyToCommentId" = "parent"."id"' +
') ' +
'SELECT id FROM children' +
')'),
[Op.ne]: comment.id
}
},
transaction: t
}
return VideoCommentModel
.scope([ ScopeNames.WITH_ACCOUNT ])
.findAll(query)
}
static async listAndCountByVideoForAP (video: MVideoImmutable, start: number, count: number, t?: Transaction) {
const blockerAccountIds = await VideoCommentModel.buildBlockerAccountIds({
videoId: video.id,
isVideoOwned: video.isOwned()
})
const query = {
order: [ [ 'createdAt', 'ASC' ] ] as Order,
offset: start,
limit: count,
where: {
videoId: video.id,
accountId: {
[Op.notIn]: Sequelize.literal(
'(' + buildBlockedAccountSQL(blockerAccountIds) + ')'
)
}
},
transaction: t
}
return VideoCommentModel.findAndCountAll<MComment>(query)
}
static async listForFeed (parameters: {
start: number
count: number
videoId?: number
accountId?: number
videoChannelId?: number
}): Promise<MCommentOwnerVideoFeed[]> {
const serverActor = await getServerActor()
const { start, count, videoId, accountId, videoChannelId } = parameters
const whereAnd: WhereOptions[] = buildBlockedAccountSQLOptimized(
'"VideoCommentModel"."accountId"',
[ serverActor.Account.id, '"Video->VideoChannel"."accountId"' ]
)
if (accountId) {
whereAnd.push({
accountId
})
}
const accountWhere = {
[Op.and]: whereAnd
}
const videoChannelWhere = videoChannelId ? { id: videoChannelId } : undefined
const query = {
order: [ [ 'createdAt', 'DESC' ] ] as Order,
offset: start,
limit: count,
where: {
deletedAt: null,
accountId: accountWhere
},
include: [
{
attributes: [ 'name', 'uuid' ],
model: VideoModel.unscoped(),
required: true,
where: {
privacy: VideoPrivacy.PUBLIC
},
include: [
{
attributes: [ 'accountId' ],
model: VideoChannelModel.unscoped(),
required: true,
where: videoChannelWhere
}
]
}
]
}
if (videoId) query.where['videoId'] = videoId
return VideoCommentModel
.scope([ ScopeNames.WITH_ACCOUNT ])
.findAll(query)
}
static listForBulkDelete (ofAccount: MAccount, filter: { onVideosOfAccount?: MAccountId } = {}) {
const accountWhere = filter.onVideosOfAccount
? { id: filter.onVideosOfAccount.id }
: {}
const query = {
limit: 1000,
where: {
deletedAt: null,
accountId: ofAccount.id
},
include: [
{
model: VideoModel,
required: true,
include: [
{
model: VideoChannelModel,
required: true,
include: [
{
model: AccountModel,
required: true,
where: accountWhere
}
]
}
]
}
]
}
return VideoCommentModel
.scope([ ScopeNames.WITH_ACCOUNT ])
.findAll(query)
}
static async getStats () {
const totalLocalVideoComments = await VideoCommentModel.count({
include: [
{
model: AccountModel,
required: true,
include: [
{
model: ActorModel,
required: true,
where: {
serverId: null
}
}
]
}
]
})
const totalVideoComments = await VideoCommentModel.count()
return {
totalLocalVideoComments,
totalVideoComments
}
}
static listRemoteCommentUrlsOfLocalVideos () {
const query = `SELECT "videoComment".url FROM "videoComment" ` +
`INNER JOIN account ON account.id = "videoComment"."accountId" ` +
`INNER JOIN actor ON actor.id = "account"."actorId" AND actor."serverId" IS NOT NULL ` +
`INNER JOIN video ON video.id = "videoComment"."videoId" AND video.remote IS FALSE`
return VideoCommentModel.sequelize.query<{ url: string }>(query, {
type: QueryTypes.SELECT,
raw: true
}).then(rows => rows.map(r => r.url))
}
static cleanOldCommentsOf (videoId: number, beforeUpdatedAt: Date) {
const query = {
where: {
updatedAt: {
[Op.lt]: beforeUpdatedAt
},
videoId,
accountId: {
[Op.notIn]: buildLocalAccountIdsIn()
},
// Do not delete Tombstones
deletedAt: null
}
}
return VideoCommentModel.destroy(query)
}
getCommentStaticPath () {
return this.Video.getWatchStaticPath() + ';threadId=' + this.getThreadId()
}
getThreadId (): number {
return this.originCommentId || this.id
}
isOwned () {
if (!this.Account) {
return false
}
return this.Account.isOwned()
}
markAsDeleted () {
this.text = ''
this.deletedAt = new Date()
this.accountId = null
}
isDeleted () {
return this.deletedAt !== null
}
extractMentions () {
let result: string[] = []
const localMention = `@(${actorNameAlphabet}+)`
const remoteMention = `${localMention}@${WEBSERVER.HOST}`
const mentionRegex = this.isOwned()
? '(?:(?:' + remoteMention + ')|(?:' + localMention + '))' // Include local mentions?
: '(?:' + remoteMention + ')'
const firstMentionRegex = new RegExp(`^${mentionRegex} `, 'g')
const endMentionRegex = new RegExp(` ${mentionRegex}$`, 'g')
const remoteMentionsRegex = new RegExp(' ' + remoteMention + ' ', 'g')
result = result.concat(
regexpCapture(this.text, firstMentionRegex)
.map(([ , username1, username2 ]) => username1 || username2),
regexpCapture(this.text, endMentionRegex)
.map(([ , username1, username2 ]) => username1 || username2),
regexpCapture(this.text, remoteMentionsRegex)
.map(([ , username ]) => username)
)
// Include local mentions
if (this.isOwned()) {
const localMentionsRegex = new RegExp(' ' + localMention + ' ', 'g')
result = result.concat(
regexpCapture(this.text, localMentionsRegex)
.map(([ , username ]) => username)
)
}
return uniq(result)
}
toFormattedJSON (this: MCommentFormattable) {
return {
id: this.id,
url: this.url,
text: this.text,
threadId: this.getThreadId(),
inReplyToCommentId: this.inReplyToCommentId || null,
videoId: this.videoId,
createdAt: this.createdAt,
updatedAt: this.updatedAt,
deletedAt: this.deletedAt,
isDeleted: this.isDeleted(),
totalRepliesFromVideoAuthor: this.get('totalRepliesFromVideoAuthor') || 0,
totalReplies: this.get('totalReplies') || 0,
account: this.Account
? this.Account.toFormattedJSON()
: null
} as VideoComment
}
toFormattedAdminJSON (this: MCommentAdminFormattable) {
return {
id: this.id,
url: this.url,
text: this.text,
threadId: this.getThreadId(),
inReplyToCommentId: this.inReplyToCommentId || null,
videoId: this.videoId,
createdAt: this.createdAt,
updatedAt: this.updatedAt,
video: {
id: this.Video.id,
uuid: this.Video.uuid,
name: this.Video.name
},
account: this.Account
? this.Account.toFormattedJSON()
: null
} as VideoCommentAdmin
}
toActivityPubObject (this: MCommentAP, threadParentComments: MCommentOwner[]): VideoCommentObject | ActivityTombstoneObject {
let inReplyTo: string
// New thread, so in AS we reply to the video
if (this.inReplyToCommentId === null) {
inReplyTo = this.Video.url
} else {
inReplyTo = this.InReplyToVideoComment.url
}
if (this.isDeleted()) {
return {
id: this.url,
type: 'Tombstone',
formerType: 'Note',
inReplyTo,
published: this.createdAt.toISOString(),
updated: this.updatedAt.toISOString(),
deleted: this.deletedAt.toISOString()
}
}
const tag: ActivityTagObject[] = []
for (const parentComment of threadParentComments) {
if (!parentComment.Account) continue
const actor = parentComment.Account.Actor
tag.push({
type: 'Mention',
href: actor.url,
name: `@${actor.preferredUsername}@${actor.getHost()}`
})
}
return {
type: 'Note' as 'Note',
id: this.url,
content: this.text,
inReplyTo,
updated: this.updatedAt.toISOString(),
published: this.createdAt.toISOString(),
url: this.url,
attributedTo: this.Account.Actor.url,
tag
}
}
private static async buildBlockerAccountIds (options: {
videoId: number
isVideoOwned: boolean
user?: MUserAccountId
}) {
const { videoId, user, isVideoOwned } = options
const serverActor = await getServerActor()
const blockerAccountIds = [ serverActor.Account.id ]
if (user) blockerAccountIds.push(user.Account.id)
if (isVideoOwned) {
const videoOwnerAccount = await AccountModel.loadAccountIdFromVideo(videoId)
blockerAccountIds.push(videoOwnerAccount.id)
}
return blockerAccountIds
}
}