122 lines
3.4 KiB
TypeScript
122 lines
3.4 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 {
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REQUESTS_VIDEO_EVENT_LIMIT_PODS,
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REQUESTS_VIDEO_EVENT_LIMIT_PER_POD,
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REQUEST_VIDEO_EVENT_ENDPOINT
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} from '../../initializers'
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import { RequestsVideoEventGrouped } from '../../models'
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import { RequestVideoEventType } from '../../../shared'
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export type RequestVideoEventSchedulerOptions = {
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type: RequestVideoEventType
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videoId: string
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count?: number
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transaction?: Sequelize.Transaction
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}
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class RequestVideoEventScheduler extends AbstractRequestScheduler<RequestsVideoEventGrouped> {
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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_EVENT_LIMIT_PODS
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this.limitPerPod = REQUESTS_VIDEO_EVENT_LIMIT_PER_POD
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this.description = 'video event requests'
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}
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getRequestModel () {
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return db.RequestVideoEvent
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}
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getRequestToPodModel () {
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return db.RequestVideoEvent
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}
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buildRequestObjects (eventRequests: RequestsVideoEventGrouped) {
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const requestsToMakeGrouped = {}
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/* Example:
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{
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pod1: {
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video1: { views: 4, likes: 5 },
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video2: { likes: 5 }
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}
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}
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*/
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const eventsPerVideoPerPod = {}
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// We group video events per video and per pod
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// We add the counts of the same event types
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Object.keys(eventRequests).forEach(toPodId => {
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eventRequests[toPodId].forEach(eventToProcess => {
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if (!eventsPerVideoPerPod[toPodId]) eventsPerVideoPerPod[toPodId] = {}
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if (!requestsToMakeGrouped[toPodId]) {
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requestsToMakeGrouped[toPodId] = {
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toPod: eventToProcess.pod,
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endpoint: REQUEST_VIDEO_EVENT_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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}
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}
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requestsToMakeGrouped[toPodId].ids.push(eventToProcess.id)
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const eventsPerVideo = eventsPerVideoPerPod[toPodId]
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const remoteId = eventToProcess.video.remoteId
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if (!eventsPerVideo[remoteId]) eventsPerVideo[remoteId] = {}
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const events = eventsPerVideo[remoteId]
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if (!events[eventToProcess.type]) events[eventToProcess.type] = 0
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events[eventToProcess.type] += eventToProcess.count
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})
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})
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// Now we build our requests array per pod
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Object.keys(eventsPerVideoPerPod).forEach(toPodId => {
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const eventsForPod = eventsPerVideoPerPod[toPodId]
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Object.keys(eventsForPod).forEach(remoteId => {
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const eventsForVideo = eventsForPod[remoteId]
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Object.keys(eventsForVideo).forEach(eventType => {
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requestsToMakeGrouped[toPodId].datas.push({
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data: {
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remoteId,
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eventType,
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count: eventsForVideo[eventType]
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}
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})
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})
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})
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})
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return requestsToMakeGrouped
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}
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createRequest ({ type, videoId, count, transaction }: RequestVideoEventSchedulerOptions) {
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if (count === undefined) count = 1
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const dbRequestOptions: Sequelize.CreateOptions = {}
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if (transaction) dbRequestOptions.transaction = transaction
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const createQuery = {
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type,
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count,
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videoId
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}
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return db.RequestVideoEvent.create(createQuery, dbRequestOptions)
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}
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}
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// ---------------------------------------------------------------------------
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export {
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RequestVideoEventScheduler
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}
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