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'use strict'
const BaseRequestScheduler = require('./base-request-scheduler')
const constants = require('../initializers/constants')
const db = require('../initializers/database')
const logger = require('../helpers/logger')
module.exports = class RequestVideoQaduScheduler extends BaseRequestScheduler {
constructor () {
super()
// We limit the size of the requests
this.limitPods = constants.REQUESTS_VIDEO_QADU_LIMIT_PODS
this.limitPerPod = constants.REQUESTS_VIDEO_QADU_LIMIT_PODS
this.description = 'video QADU requests'
}
getRequestModel () {
return db.RequestVideoQadu
}
getRequestToPodModel () {
return db.RequestVideoQadu
}
buildRequestObjects (requests) {
const requestsToMakeGrouped = {}
Object.keys(requests).forEach(toPodId => {
requests[toPodId].forEach(data => {
const request = data.request
const video = data.video
const pod = data.pod
const hashKey = toPodId
if (!requestsToMakeGrouped[hashKey]) {
requestsToMakeGrouped[hashKey] = {
toPod: pod,
endpoint: constants.REQUEST_ENDPOINTS.QADU,
ids: [], // request ids, to delete them from the DB in the future
datas: [], // requests data
videos: {}
}
}
if (!requestsToMakeGrouped[hashKey].videos[video.id]) {
requestsToMakeGrouped[hashKey].videos[video.id] = {}
}
const videoData = requestsToMakeGrouped[hashKey].videos[video.id]
switch (request.type) {
case constants.REQUEST_VIDEO_QADU_TYPES.LIKES:
videoData.likes = video.likes
break
case constants.REQUEST_VIDEO_QADU_TYPES.DISLIKES:
videoData.likes = video.dislikes
break
case constants.REQUEST_VIDEO_QADU_TYPES.VIEWS:
videoData.views = video.views
break
default:
logger.error('Unknown request video QADU type %s.', request.type)
return
}
// Do not forget the remoteId so the remote pod can identify the video
videoData.remoteId = video.id
requestsToMakeGrouped[hashKey].ids.push(request.id)
requestsToMakeGrouped[hashKey].videos[video.id] = videoData
})
})
Object.keys(requestsToMakeGrouped).forEach(hashKey => {
Object.keys(requestsToMakeGrouped[hashKey].videos).forEach(videoId => {
const videoData = requestsToMakeGrouped[hashKey].videos[videoId]
requestsToMakeGrouped[hashKey].datas.push({
data: videoData
})
})
// We don't need it anymore, it was just to build our datas array
delete requestsToMakeGrouped[hashKey].videos
})
return requestsToMakeGrouped
}
// { type, videoId, transaction? }
createRequest (options, callback) {
const type = options.type
const videoId = options.videoId
const transaction = options.transaction
const dbRequestOptions = {}
if (transaction) dbRequestOptions.transaction = transaction
// Send the update to all our friends
db.Pod.listAllIds(options.transaction, function (err, podIds) {
if (err) return callback(err)
const queries = []
podIds.forEach(podId => {
queries.push({ type, videoId, podId })
})
return db.RequestVideoQadu.bulkCreate(queries, dbRequestOptions).asCallback(callback)
})
}
}
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