Optimize sql requests on broadcast

[github/Chocobozzz/PeerTube.git] / server / models / video / video-share.ts

diff --git a/server/models/video/video-share.ts b/server/models/video/video-share.ts
index 01b6d3d34ab698c5f25eb821cb0c89288f0b8239..4bbef75e6a547a7c125fe4249555921bfc7f56e1 100644 (file)
--- a/server/models/video/video-share.ts
+++ b/server/models/video/video-share.ts
@@ -1,37 +1,80 @@
-import * as Sequelize from 'sequelize'
-import { BelongsTo, Column, CreatedAt, ForeignKey, Model, Table, UpdatedAt } from 'sequelize-typescript'
-import { AccountModel } from '../account/account'
+import * as Bluebird from 'bluebird'
+import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Is, Model, Scopes, Table, UpdatedAt } from 'sequelize-typescript'
+import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
+import { CONSTRAINTS_FIELDS } from '../../initializers/constants'
+import { ActorModel } from '../activitypub/actor'
+import { buildLocalActorIdsIn, throwIfNotValid } from '../utils'
 import { VideoModel } from './video'
+import { literal, Op, Transaction } from 'sequelize'
+import { MVideoShareActor, MVideoShareFull } from '../../typings/models/video'
+import { MActorDefault } from '../../typings/models'
 
+enum ScopeNames {
+  FULL = 'FULL',
+  WITH_ACTOR = 'WITH_ACTOR'
+}
+
+@Scopes(() => ({
+  [ScopeNames.FULL]: {
+    include: [
+      {
+        model: ActorModel,
+        required: true
+      },
+      {
+        model: VideoModel,
+        required: true
+      }
+    ]
+  },
+  [ScopeNames.WITH_ACTOR]: {
+    include: [
+      {
+        model: ActorModel,
+        required: true
+      }
+    ]
+  }
+}))
 @Table({
   tableName: 'videoShare',
   indexes: [
     {
-      fields: [ 'accountId' ]
+      fields: [ 'actorId' ]
     },
     {
       fields: [ 'videoId' ]
+    },
+    {
+      fields: [ 'url' ],
+      unique: true
     }
   ]
 })
 export class VideoShareModel extends Model<VideoShareModel> {
+
+  @AllowNull(false)
+  @Is('VideoShareUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
+  @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_SHARE.URL.max))
+  url: string
+
   @CreatedAt
   createdAt: Date
 
   @UpdatedAt
   updatedAt: Date
 
-  @ForeignKey(() => AccountModel)
+  @ForeignKey(() => ActorModel)
   @Column
-  accountId: number
+  actorId: number
 
-  @BelongsTo(() => AccountModel, {
+  @BelongsTo(() => ActorModel, {
     foreignKey: {
       allowNull: false
     },
     onDelete: 'cascade'
   })
-  Account: AccountModel
+  Actor: ActorModel
 
   @ForeignKey(() => VideoModel)
   @Column
@@ -45,34 +88,117 @@ export class VideoShareModel extends Model<VideoShareModel> {
   })
   Video: VideoModel
 
-  static load (accountId: number, videoId: number, t: Sequelize.Transaction) {
-    return VideoShareModel.findOne({
+  static load (actorId: number | string, videoId: number | string, t?: Transaction): Bluebird<MVideoShareActor> {
+    return VideoShareModel.scope(ScopeNames.WITH_ACTOR).findOne({
       where: {
-        accountId,
+        actorId,
         videoId
       },
-      include: [
-        AccountModel
-      ],
       transaction: t
     })
   }
 
-  static loadAccountsByShare (videoId: number, t: Sequelize.Transaction) {
+  static loadByUrl (url: string, t: Transaction): Bluebird<MVideoShareFull> {
+    return VideoShareModel.scope(ScopeNames.FULL).findOne({
+      where: {
+        url
+      },
+      transaction: t
+    })
+  }
+
+  static loadActorsByShare (videoId: number, t: Transaction): Bluebird<MActorDefault[]> {
     const query = {
       where: {
         videoId
       },
       include: [
         {
-          model: AccountModel,
+          model: ActorModel,
           required: true
         }
       ],
       transaction: t
     }
 
-    return VideoShareModel.findAll(query)
-      .then(res => res.map(r => r.Account))
+    return VideoShareModel.scope(ScopeNames.FULL).findAll(query)
+                          .then((res: MVideoShareFull[]) => res.map(r => r.Actor))
+  }
+
+  static loadActorsWhoSharedVideosOf (actorOwnerId: number, t: Transaction): Bluebird<MActorDefault[]> {
+    const safeOwnerId = parseInt(actorOwnerId + '', 10)
+
+    // /!\ On actor model
+    const query = {
+      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` +
+            `)`
+          )
+        ]
+      },
+      transaction: t
+    }
+
+    return ActorModel.findAll(query)
+  }
+
+  static loadActorsByVideoChannel (videoChannelId: number, t: Transaction): Bluebird<MActorDefault[]> {
+    const safeChannelId = parseInt(videoChannelId + '', 10)
+
+    // /!\ On actor model
+    const query = {
+      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
+    }
+
+    return ActorModel.findAll(query)
+  }
+
+  static listAndCountByVideoId (videoId: number, start: number, count: number, t?: Transaction) {
+    const query = {
+      offset: start,
+      limit: count,
+      where: {
+        videoId
+      },
+      transaction: t
+    }
+
+    return VideoShareModel.findAndCountAll(query)
+  }
+
+  static cleanOldSharesOf (videoId: number, beforeUpdatedAt: Date) {
+    const query = {
+      where: {
+        updatedAt: {
+          [Op.lt]: beforeUpdatedAt
+        },
+        videoId,
+        actorId: {
+          [Op.notIn]: buildLocalActorIdsIn()
+        }
+      }
+    }
+
+    return VideoShareModel.destroy(query)
   }
 }