Init commit

server/core/helpers/custom-validators/video-view.ts

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+import { VideoStatsUserAgentDevice } from '@peertube/peertube-models'
+import { CONSTRAINTS_FIELDS } from '@server/initializers/constants.js'
+import validator from 'validator'
+import { exists } from './misc.js'
+
+export function isVideoTimeValid (value: number, videoDuration?: number) {
+  if (value < 0) return false
+  if (exists(videoDuration) && value > videoDuration) return false
+
+  return true
+}
+
+export function isVideoViewEvent (value: string) {
+  return value === 'seek'
+}
+
+export function isVideoViewUAInfo (value: string) {
+  return validator.default.isLength(value, CONSTRAINTS_FIELDS.VIDEO_VIEW.UA_INFO)
+}
+
+// See https://docs.uaparser.dev/info/device/type.html
+const devices = new Set<VideoStatsUserAgentDevice>([ 'console', 'embedded', 'mobile', 'smarttv', 'tablet', 'wearable', 'xr', 'desktop' ])
+export function toVideoViewUADeviceOrNull (value: VideoStatsUserAgentDevice) {
+  return devices.has(value)
+    ? value
+    : null
+}