2 files changed, 472 insertions, 0 deletions

diff --git a/server/models/video/sql/comment/video-comment-list-query-builder.ts b/server/models/video/sql/comment/video-comment-list-query-builder.ts
new file mode 100644
index 000000000..f3f6910e1
--- /dev/null
+++ b/server/models/video/sql/comment/video-comment-list-query-builder.ts
@@ -0,0 +1,394 @@
+import { Model, Sequelize, Transaction } from 'sequelize'
+import { AbstractRunQuery, ModelBuilder } from '@server/models/shared'
+import { createSafeIn, getCommentSort, parseRowCountResult } from '@server/models/utils'
+import { ActorImageType, VideoPrivacy } from '@shared/models'
+import { VideoCommentTableAttributes } from './video-comment-table-attributes'
+
+export interface ListVideoCommentsOptions {
+  selectType: 'api' | 'feed' | 'comment-only'
+
+  start?: number
+  count?: number
+  sort?: string
+
+  videoId?: number
+  threadId?: number
+  accountId?: number
+  videoChannelId?: number
+
+  blockerAccountIds?: number[]
+
+  isThread?: boolean
+  notDeleted?: boolean
+  isLocal?: boolean
+  onLocalVideo?: boolean
+  onPublicVideo?: boolean
+  videoAccountOwnerId?: boolean
+
+  search?: string
+  searchAccount?: string
+  searchVideo?: string
+
+  includeReplyCounters?: boolean
+
+  transaction?: Transaction
+}
+
+export class VideoCommentListQueryBuilder extends AbstractRunQuery {
+  private readonly tableAttributes = new VideoCommentTableAttributes()
+
+  private innerQuery: string
+
+  private select = ''
+  private joins = ''
+
+  private innerSelect = ''
+  private innerJoins = ''
+  private innerWhere = ''
+
+  private readonly built = {
+    cte: false,
+    accountJoin: false,
+    videoJoin: false,
+    videoChannelJoin: false,
+    avatarJoin: false
+  }
+
+  constructor (
+    protected readonly sequelize: Sequelize,
+    private readonly options: ListVideoCommentsOptions
+  ) {
+    super(sequelize)
+  }
+
+  async listComments <T extends Model> () {
+    this.buildListQuery()
+
+    const results = await this.runQuery({ nest: true, transaction: this.options.transaction })
+    const modelBuilder = new ModelBuilder<T>(this.sequelize)
+
+    return modelBuilder.createModels(results, 'VideoComment')
+  }
+
+  async countComments () {
+    this.buildCountQuery()
+
+    const result = await this.runQuery({ transaction: this.options.transaction })
+
+    return parseRowCountResult(result)
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private buildListQuery () {
+    this.buildInnerListQuery()
+    this.buildListSelect()
+
+    this.query = `${this.select} ` +
+      `FROM (${this.innerQuery}) AS "VideoCommentModel" ` +
+      `${this.joins} ` +
+      `${this.getOrder()} ` +
+      `${this.getLimit()}`
+  }
+
+  private buildInnerListQuery () {
+    this.buildWhere()
+    this.buildInnerListSelect()
+
+    this.innerQuery = `${this.innerSelect} ` +
+      `FROM "videoComment" AS "VideoCommentModel" ` +
+      `${this.innerJoins} ` +
+      `${this.innerWhere} ` +
+      `${this.getOrder()} ` +
+      `${this.getInnerLimit()}`
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private buildCountQuery () {
+    this.buildWhere()
+
+    this.query = `SELECT COUNT(*) AS "total" ` +
+      `FROM "videoComment" AS "VideoCommentModel" ` +
+      `${this.innerJoins} ` +
+      `${this.innerWhere}`
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private buildWhere () {
+    let where: string[] = []
+
+    if (this.options.videoId) {
+      this.replacements.videoId = this.options.videoId
+
+      where.push('"VideoCommentModel"."videoId" = :videoId')
+    }
+
+    if (this.options.threadId) {
+      this.replacements.threadId = this.options.threadId
+
+      where.push('("VideoCommentModel"."id" = :threadId OR "VideoCommentModel"."originCommentId" = :threadId)')
+    }
+
+    if (this.options.accountId) {
+      this.replacements.accountId = this.options.accountId
+
+      where.push('"VideoCommentModel"."accountId" = :accountId')
+    }
+
+    if (this.options.videoChannelId) {
+      this.buildVideoChannelJoin()
+
+      this.replacements.videoChannelId = this.options.videoChannelId
+
+      where.push('"Account->VideoChannel"."id" = :videoChannelId')
+    }
+
+    if (this.options.blockerAccountIds) {
+      this.buildVideoChannelJoin()
+
+      where = where.concat(this.getBlockWhere('VideoCommentModel', 'Video->VideoChannel'))
+    }
+
+    if (this.options.isThread === true) {
+      where.push('"VideoCommentModel"."inReplyToCommentId" IS NULL')
+    }
+
+    if (this.options.notDeleted === true) {
+      where.push('"VideoCommentModel"."deletedAt" IS NULL')
+    }
+
+    if (this.options.isLocal === true) {
+      this.buildAccountJoin()
+
+      where.push('"Account->Actor"."serverId" IS NULL')
+    } else if (this.options.isLocal === false) {
+      this.buildAccountJoin()
+
+      where.push('"Account->Actor"."serverId" IS NOT NULL')
+    }
+
+    if (this.options.onLocalVideo === true) {
+      this.buildVideoJoin()
+
+      where.push('"Video"."remote" IS FALSE')
+    } else if (this.options.onLocalVideo === false) {
+      this.buildVideoJoin()
+
+      where.push('"Video"."remote" IS TRUE')
+    }
+
+    if (this.options.onPublicVideo === true) {
+      this.buildVideoJoin()
+
+      where.push(`"Video"."privacy" = ${VideoPrivacy.PUBLIC}`)
+    }
+
+    if (this.options.videoAccountOwnerId) {
+      this.buildVideoChannelJoin()
+
+      this.replacements.videoAccountOwnerId = this.options.videoAccountOwnerId
+
+      where.push(`"Video->VideoChannel"."accountId" = :videoAccountOwnerId`)
+    }
+
+    if (this.options.search) {
+      this.buildVideoJoin()
+      this.buildAccountJoin()
+
+      const escapedLikeSearch = this.sequelize.escape('%' + this.options.search + '%')
+
+      where.push(
+        `(` +
+          `"VideoCommentModel"."text" ILIKE ${escapedLikeSearch} OR ` +
+          `"Account->Actor"."preferredUsername" ILIKE ${escapedLikeSearch} OR ` +
+          `"Account"."name" ILIKE ${escapedLikeSearch} OR ` +
+          `"Video"."name" ILIKE ${escapedLikeSearch} ` +
+        `)`
+      )
+    }
+
+    if (this.options.searchAccount) {
+      this.buildAccountJoin()
+
+      const escapedLikeSearch = this.sequelize.escape('%' + this.options.searchAccount + '%')
+
+      where.push(
+        `(` +
+          `"Account->Actor"."preferredUsername" ILIKE ${escapedLikeSearch} OR ` +
+          `"Account"."name" ILIKE ${escapedLikeSearch} ` +
+        `)`
+      )
+    }
+
+    if (this.options.searchVideo) {
+      this.buildVideoJoin()
+
+      const escapedLikeSearch = this.sequelize.escape('%' + this.options.searchVideo + '%')
+
+      where.push(`"Video"."name" ILIKE ${escapedLikeSearch}`)
+    }
+
+    if (where.length !== 0) {
+      this.innerWhere = `WHERE ${where.join(' AND ')}`
+    }
+  }
+
+  private buildAccountJoin () {
+    if (this.built.accountJoin) return
+
+    this.innerJoins += ' LEFT JOIN "account" "Account" ON "Account"."id" = "VideoCommentModel"."accountId" ' +
+      'LEFT JOIN "actor" "Account->Actor" ON "Account->Actor"."id" = "Account"."actorId" ' +
+      'LEFT JOIN "server" "Account->Actor->Server" ON "Account->Actor"."serverId" = "Account->Actor->Server"."id" '
+
+    this.built.accountJoin = true
+  }
+
+  private buildVideoJoin () {
+    if (this.built.videoJoin) return
+
+    this.innerJoins += ' LEFT JOIN "video" "Video" ON "Video"."id" = "VideoCommentModel"."videoId" '
+
+    this.built.videoJoin = true
+  }
+
+  private buildVideoChannelJoin () {
+    if (this.built.videoChannelJoin) return
+
+    this.buildVideoJoin()
+
+    this.innerJoins += ' LEFT JOIN "videoChannel" "Video->VideoChannel" ON "Video"."channelId" = "Video->VideoChannel"."id" '
+
+    this.built.videoChannelJoin = true
+  }
+
+  private buildAvatarsJoin () {
+    if (this.options.selectType !== 'api' && this.options.selectType !== 'feed') return ''
+    if (this.built.avatarJoin) return
+
+    this.joins += `LEFT JOIN "actorImage" "Account->Actor->Avatars" ` +
+      `ON "VideoCommentModel"."Account.Actor.id" = "Account->Actor->Avatars"."actorId" ` +
+        `AND "Account->Actor->Avatars"."type" = ${ActorImageType.AVATAR}`
+
+    this.built.avatarJoin = true
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private buildListSelect () {
+    const toSelect = [ '"VideoCommentModel".*' ]
+
+    if (this.options.selectType === 'api' || this.options.selectType === 'feed') {
+      this.buildAvatarsJoin()
+
+      toSelect.push(this.tableAttributes.getAvatarAttributes())
+    }
+
+    if (this.options.includeReplyCounters === true) {
+      toSelect.push(this.getTotalRepliesSelect())
+      toSelect.push(this.getAuthorTotalRepliesSelect())
+    }
+
+    this.select = this.buildSelect(toSelect)
+  }
+
+  private buildInnerListSelect () {
+    let toSelect = [ this.tableAttributes.getVideoCommentAttributes() ]
+
+    if (this.options.selectType === 'api' || this.options.selectType === 'feed') {
+      this.buildAccountJoin()
+      this.buildVideoJoin()
+
+      toSelect = toSelect.concat([
+        this.tableAttributes.getVideoAttributes(),
+        this.tableAttributes.getAccountAttributes(),
+        this.tableAttributes.getActorAttributes(),
+        this.tableAttributes.getServerAttributes()
+      ])
+    }
+
+    this.innerSelect = this.buildSelect(toSelect)
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private getBlockWhere (commentTableName: string, channelTableName: string) {
+    const where: string[] = []
+
+    const blockerIdsString = createSafeIn(
+      this.sequelize,
+      this.options.blockerAccountIds,
+      [ `"${channelTableName}"."accountId"` ]
+    )
+
+    where.push(
+      `NOT EXISTS (` +
+        `SELECT 1 FROM "accountBlocklist" ` +
+        `WHERE "targetAccountId" = "${commentTableName}"."accountId" ` +
+        `AND "accountId" IN (${blockerIdsString})` +
+      `)`
+    )
+
+    where.push(
+      `NOT EXISTS (` +
+        `SELECT 1 FROM "account" ` +
+        `INNER JOIN "actor" ON account."actorId" = actor.id ` +
+        `INNER JOIN "serverBlocklist" ON "actor"."serverId" = "serverBlocklist"."targetServerId" ` +
+        `WHERE "account"."id" = "${commentTableName}"."accountId" ` +
+        `AND "serverBlocklist"."accountId" IN (${blockerIdsString})` +
+      `)`
+    )
+
+    return where
+  }
+
+  // ---------------------------------------------------------------------------
+
+  private getTotalRepliesSelect () {
+    const blockWhereString = this.getBlockWhere('replies', 'videoChannel').join(' AND ')
+
+    return `(` +
+      `SELECT COUNT("replies"."id") FROM "videoComment" AS "replies" ` +
+      `LEFT JOIN "video" ON "video"."id" = "replies"."videoId" ` +
+      `LEFT JOIN "videoChannel" ON "video"."channelId" = "videoChannel"."id" ` +
+      `WHERE "replies"."originCommentId" = "VideoCommentModel"."id" ` +
+        `AND "deletedAt" IS NULL ` +
+        `AND ${blockWhereString} ` +
+    `) AS "totalReplies"`
+  }
+
+  private getAuthorTotalRepliesSelect () {
+    return `(` +
+      `SELECT COUNT("replies"."id") FROM "videoComment" AS "replies" ` +
+      `INNER JOIN "video" ON "video"."id" = "replies"."videoId" ` +
+      `INNER JOIN "videoChannel" ON "videoChannel"."id" = "video"."channelId" ` +
+      `WHERE "replies"."originCommentId" = "VideoCommentModel"."id" AND "replies"."accountId" = "videoChannel"."accountId"` +
+    `) AS "totalRepliesFromVideoAuthor"`
+  }
+
+  private getOrder () {
+    if (!this.options.sort) return ''
+
+    const orders = getCommentSort(this.options.sort)
+
+    return 'ORDER BY ' + orders.map(o => `"${o[0]}" ${o[1]}`).join(', ')
+  }
+
+  private getLimit () {
+    if (!this.options.count) return ''
+
+    this.replacements.limit = this.options.count
+
+    return `LIMIT :limit `
+  }
+
+  private getInnerLimit () {
+    if (!this.options.count) return ''
+
+    this.replacements.limit = this.options.count
+    this.replacements.offset = this.options.start || 0
+
+    return `LIMIT :limit OFFSET :offset `
+  }
+}
diff --git a/server/models/video/sql/comment/video-comment-table-attributes.ts b/server/models/video/sql/comment/video-comment-table-attributes.ts
new file mode 100644
index 000000000..cae3c1683
--- /dev/null
+++ b/server/models/video/sql/comment/video-comment-table-attributes.ts
@@ -0,0 +1,78 @@
+export class VideoCommentTableAttributes {
+
+  getVideoCommentAttributes () {
+    return [
+      '"VideoCommentModel"."id"',
+      '"VideoCommentModel"."url"',
+      '"VideoCommentModel"."deletedAt"',
+      '"VideoCommentModel"."updatedAt"',
+      '"VideoCommentModel"."createdAt"',
+      '"VideoCommentModel"."text"',
+      '"VideoCommentModel"."originCommentId"',
+      '"VideoCommentModel"."inReplyToCommentId"',
+      '"VideoCommentModel"."videoId"',
+      '"VideoCommentModel"."accountId"'
+    ].join(', ')
+  }
+
+  getAccountAttributes () {
+    return [
+      `"Account"."id" AS "Account.id"`,
+      `"Account"."name" AS "Account.name"`,
+      `"Account"."description" AS "Account.description"`,
+      `"Account"."createdAt" AS "Account.createdAt"`,
+      `"Account"."updatedAt" AS "Account.updatedAt"`,
+      `"Account"."actorId" AS "Account.actorId"`,
+      `"Account"."userId" AS "Account.userId"`,
+      `"Account"."applicationId" AS "Account.applicationId"`
+    ].join(', ')
+  }
+
+  getVideoAttributes () {
+    return [
+      `"Video"."id" AS "Video.id"`,
+      `"Video"."uuid" AS "Video.uuid"`,
+      `"Video"."name" AS "Video.name"`
+    ].join(', ')
+  }
+
+  getActorAttributes () {
+    return [
+      `"Account->Actor"."id" AS "Account.Actor.id"`,
+      `"Account->Actor"."type" AS "Account.Actor.type"`,
+      `"Account->Actor"."preferredUsername" AS "Account.Actor.preferredUsername"`,
+      `"Account->Actor"."url" AS "Account.Actor.url"`,
+      `"Account->Actor"."followersCount" AS "Account.Actor.followersCount"`,
+      `"Account->Actor"."followingCount" AS "Account.Actor.followingCount"`,
+      `"Account->Actor"."remoteCreatedAt" AS "Account.Actor.remoteCreatedAt"`,
+      `"Account->Actor"."serverId" AS "Account.Actor.serverId"`,
+      `"Account->Actor"."createdAt" AS "Account.Actor.createdAt"`,
+      `"Account->Actor"."updatedAt" AS "Account.Actor.updatedAt"`
+    ].join(', ')
+  }
+
+  getServerAttributes () {
+    return [
+      `"Account->Actor->Server"."id" AS "Account.Actor.Server.id"`,
+      `"Account->Actor->Server"."host" AS "Account.Actor.Server.host"`,
+      `"Account->Actor->Server"."redundancyAllowed" AS "Account.Actor.Server.redundancyAllowed"`,
+      `"Account->Actor->Server"."createdAt" AS "Account.Actor.Server.createdAt"`,
+      `"Account->Actor->Server"."updatedAt" AS "Account.Actor.Server.updatedAt"`
+    ].join(', ')
+  }
+
+  getAvatarAttributes () {
+    return [
+      `"Account->Actor->Avatars"."id" AS "Account.Actor.Avatars.id"`,
+      `"Account->Actor->Avatars"."filename" AS "Account.Actor.Avatars.filename"`,
+      `"Account->Actor->Avatars"."height" AS "Account.Actor.Avatars.height"`,
+      `"Account->Actor->Avatars"."width" AS "Account.Actor.Avatars.width"`,
+      `"Account->Actor->Avatars"."fileUrl" AS "Account.Actor.Avatars.fileUrl"`,
+      `"Account->Actor->Avatars"."onDisk" AS "Account.Actor.Avatars.onDisk"`,
+      `"Account->Actor->Avatars"."type" AS "Account.Actor.Avatars.type"`,
+      `"Account->Actor->Avatars"."actorId" AS "Account.Actor.Avatars.actorId"`,
+      `"Account->Actor->Avatars"."createdAt" AS "Account.Actor.Avatars.createdAt"`,
+      `"Account->Actor->Avatars"."updatedAt" AS "Account.Actor.Avatars.updatedAt"`
+    ].join(', ')
+  }
+}