130 lines
3.9 KiB
TypeScript
130 lines
3.9 KiB
TypeScript
import * as Sequelize from 'sequelize'
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import { database as db } from '../../initializers/database'
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import { AbstractRequestScheduler } from './abstract-request-scheduler'
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import { logger } from '../../helpers'
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import {
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REQUESTS_VIDEO_QADU_LIMIT_PODS,
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REQUESTS_VIDEO_QADU_LIMIT_PER_POD,
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REQUEST_VIDEO_QADU_ENDPOINT,
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REQUEST_VIDEO_QADU_TYPES
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} from '../../initializers'
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import { RequestsVideoQaduGrouped } from '../../models'
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import { RequestVideoQaduType } from '../../../shared'
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export type RequestVideoQaduSchedulerOptions = {
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type: RequestVideoQaduType
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videoId: string
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transaction?: Sequelize.Transaction
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}
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class RequestVideoQaduScheduler extends AbstractRequestScheduler<RequestsVideoQaduGrouped> {
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constructor () {
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super()
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// We limit the size of the requests
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this.limitPods = REQUESTS_VIDEO_QADU_LIMIT_PODS
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this.limitPerPod = REQUESTS_VIDEO_QADU_LIMIT_PER_POD
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this.description = 'video QADU requests'
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}
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getRequestModel () {
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return db.RequestVideoQadu
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}
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getRequestToPodModel () {
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return db.RequestVideoQadu
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}
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buildRequestObjects (requests: RequestsVideoQaduGrouped) {
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const requestsToMakeGrouped = {}
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Object.keys(requests).forEach(toPodId => {
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requests[toPodId].forEach(data => {
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const request = data.request
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const video = data.video
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const pod = data.pod
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const hashKey = toPodId
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if (!requestsToMakeGrouped[hashKey]) {
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requestsToMakeGrouped[hashKey] = {
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toPod: pod,
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endpoint: REQUEST_VIDEO_QADU_ENDPOINT,
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ids: [], // request ids, to delete them from the DB in the future
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datas: [], // requests data
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videos: {}
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}
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}
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// Maybe another attribute was filled for this video
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let videoData = requestsToMakeGrouped[hashKey].videos[video.id]
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if (!videoData) videoData = {}
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switch (request.type) {
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case REQUEST_VIDEO_QADU_TYPES.LIKES:
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videoData.likes = video.likes
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break
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case REQUEST_VIDEO_QADU_TYPES.DISLIKES:
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videoData.dislikes = video.dislikes
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break
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case REQUEST_VIDEO_QADU_TYPES.VIEWS:
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videoData.views = video.views
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break
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default:
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logger.error('Unknown request video QADU type %s.', request.type)
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return
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}
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// Do not forget the remoteId so the remote pod can identify the video
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videoData.remoteId = video.id
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requestsToMakeGrouped[hashKey].ids.push(request.id)
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// Maybe there are multiple quick and dirty update for the same video
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// We use this hashmap to dedupe them
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requestsToMakeGrouped[hashKey].videos[video.id] = videoData
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})
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})
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// Now we deduped similar quick and dirty updates, we can build our requests datas
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Object.keys(requestsToMakeGrouped).forEach(hashKey => {
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Object.keys(requestsToMakeGrouped[hashKey].videos).forEach(videoId => {
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const videoData = requestsToMakeGrouped[hashKey].videos[videoId]
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requestsToMakeGrouped[hashKey].datas.push({
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data: videoData
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})
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})
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// We don't need it anymore, it was just to build our datas array
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delete requestsToMakeGrouped[hashKey].videos
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})
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return requestsToMakeGrouped
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}
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createRequest ({ type, videoId, transaction }: RequestVideoQaduSchedulerOptions) {
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const dbRequestOptions: Sequelize.BulkCreateOptions = {}
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if (transaction) dbRequestOptions.transaction = transaction
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// Send the update to all our friends
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return db.Pod.listAllIds(transaction).then(podIds => {
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const queries = []
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podIds.forEach(podId => {
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queries.push({ type, videoId, podId })
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})
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return db.RequestVideoQadu.bulkCreate(queries, dbRequestOptions)
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})
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}
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}
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// ---------------------------------------------------------------------------
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export {
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RequestVideoQaduScheduler
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}
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