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import express from 'express'
import { param, query } from 'express-validator'
import { isDateValid } from '@server/helpers/custom-validators/misc'
import { isValidStatTimeserieMetric } from '@server/helpers/custom-validators/video-stats'
import { STATS_TIMESERIE } from '@server/initializers/constants'
import { HttpStatusCode, UserRight, VideoStatsTimeserieQuery } from '@shared/models'
import { areValidationErrors, checkUserCanManageVideo, doesVideoExist, isValidVideoIdParam } from '../shared'
const videoOverallStatsValidator = [
isValidVideoIdParam('videoId'),
query('startDate')
.optional()
.custom(isDateValid),
query('endDate')
.optional()
.custom(isDateValid),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await commonStatsCheck(req, res)) return
return next()
}
]
const videoRetentionStatsValidator = [
isValidVideoIdParam('videoId'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await commonStatsCheck(req, res)) return
if (res.locals.videoAll.isLive) {
return res.fail({
status: HttpStatusCode.BAD_REQUEST_400,
message: 'Cannot get retention stats of live video'
})
}
return next()
}
]
const videoTimeserieStatsValidator = [
isValidVideoIdParam('videoId'),
param('metric')
.custom(isValidStatTimeserieMetric),
query('startDate')
.optional()
.custom(isDateValid),
query('endDate')
.optional()
.custom(isDateValid),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await commonStatsCheck(req, res)) return
const query: VideoStatsTimeserieQuery = req.query
if (
(query.startDate && !query.endDate) ||
(!query.startDate && query.endDate)
) {
return res.fail({
status: HttpStatusCode.BAD_REQUEST_400,
message: 'Both start date and end date should be defined if one of them is specified'
})
}
if (query.startDate && getIntervalByDays(query.startDate, query.endDate) > STATS_TIMESERIE.MAX_DAYS) {
return res.fail({
status: HttpStatusCode.BAD_REQUEST_400,
message: 'Star date and end date interval is too big'
})
}
return next()
}
]
// ---------------------------------------------------------------------------
export {
videoOverallStatsValidator,
videoTimeserieStatsValidator,
videoRetentionStatsValidator
}
// ---------------------------------------------------------------------------
async function commonStatsCheck (req: express.Request, res: express.Response) {
if (!await doesVideoExist(req.params.videoId, res, 'all')) return false
if (!checkUserCanManageVideo(res.locals.oauth.token.User, res.locals.videoAll, UserRight.SEE_ALL_VIDEOS, res)) return false
return true
}
function getIntervalByDays (startDateString: string, endDateString: string) {
const startDate = new Date(startDateString)
const endDate = new Date(endDateString)
return (endDate.getTime() - startDate.getTime()) / 1000 / 86400
}
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