From 901bcf5c188ea79350fecd499ad76460b866617b Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 7 Apr 2022 10:53:35 +0200
Subject: Add ability to set start/end date to timeserie

---
 .../middlewares/validators/videos/video-stats.ts   | 41 ++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

(limited to 'server/middlewares')

diff --git a/server/middlewares/validators/videos/video-stats.ts b/server/middlewares/validators/videos/video-stats.ts
index 358b6b473..12509abde 100644
--- a/server/middlewares/validators/videos/video-stats.ts
+++ b/server/middlewares/validators/videos/video-stats.ts
@@ -1,7 +1,9 @@
 import express from 'express'
-import { param } from 'express-validator'
+import { param, query } from 'express-validator'
+import { isDateValid } from '@server/helpers/custom-validators/misc'
 import { isValidStatTimeserieMetric } from '@server/helpers/custom-validators/video-stats'
-import { HttpStatusCode, UserRight } from '@shared/models'
+import { STATS_TIMESERIE } from '@server/initializers/constants'
+import { HttpStatusCode, UserRight, VideoStatsTimeserieQuery } from '@shared/models'
 import { logger } from '../../../helpers/logger'
 import { areValidationErrors, checkUserCanManageVideo, doesVideoExist, isValidVideoIdParam } from '../shared'
 
@@ -45,12 +47,40 @@ const videoTimeserieStatsValidator = [
     .custom(isValidStatTimeserieMetric)
     .withMessage('Should have a valid timeserie metric'),
 
+  query('startDate')
+    .optional()
+    .custom(isDateValid)
+    .withMessage('Should have a valid start date'),
+
+  query('endDate')
+    .optional()
+    .custom(isDateValid)
+    .withMessage('Should have a valid end date'),
+
   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
     logger.debug('Checking videoTimeserieStatsValidator parameters', { parameters: req.body })
 
     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()
   }
 ]
@@ -71,3 +101,10 @@ async function commonStatsCheck (req: express.Request, res: express.Response) {
 
   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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