1 import * as Sequelize from 'sequelize'
3 import { database as db } from '../../initializers/database'
4 import { AbstractRequestScheduler, RequestsObjects } from './abstract-request-scheduler'
5 import { logger } from '../../helpers'
6 import { REQUESTS_LIMIT_PODS, REQUESTS_LIMIT_PER_POD } from '../../initializers'
7 import { RequestsGrouped } from '../../models'
8 import { RequestEndpoint, RemoteVideoRequest } from '../../../shared'
10 export type RequestSchedulerOptions = {
12 endpoint: RequestEndpoint
15 transaction: Sequelize.Transaction
18 class RequestScheduler extends AbstractRequestScheduler<RequestsGrouped> {
22 // We limit the size of the requests
23 this.limitPods = REQUESTS_LIMIT_PODS
24 this.limitPerPod = REQUESTS_LIMIT_PER_POD
26 this.description = 'requests'
33 getRequestToPodModel () {
34 return db.RequestToPod
37 buildRequestsObjects (requestsGrouped: RequestsGrouped) {
38 const requestsToMakeGrouped: RequestsObjects<RemoteVideoRequest> = {}
40 for (const toPodId of Object.keys(requestsGrouped)) {
41 for (const data of requestsGrouped[toPodId]) {
42 const request = data.request
44 const hashKey = toPodId + request.endpoint
46 if (!requestsToMakeGrouped[hashKey]) {
47 requestsToMakeGrouped[hashKey] = {
49 endpoint: request.endpoint,
50 ids: [], // request ids, to delete them from the DB in the future
51 datas: [] // requests data,
55 requestsToMakeGrouped[hashKey].ids.push(request.id)
56 requestsToMakeGrouped[hashKey].datas.push(request.request)
60 return requestsToMakeGrouped
63 async createRequest ({ type, endpoint, data, toIds, transaction }: RequestSchedulerOptions) {
64 // If there are no destination pods abort
65 if (toIds.length === 0) return undefined
75 const dbRequestOptions: Sequelize.CreateOptions = {
79 const request = await db.Request.create(createQuery, dbRequestOptions)
80 await request.setPods(toIds, dbRequestOptions)
83 // ---------------------------------------------------------------------------
85 afterRequestsHook () {
86 // Flush requests with no pod
87 this.getRequestModel().removeWithEmptyTo()
88 .catch(err => logger.error('Error when removing requests with no pods.', err))
92 // ---------------------------------------------------------------------------