1 files changed, 57 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/video-channels.ts b/server/helpers/custom-validators/video-channels.ts
new file mode 100644
index 000000000..b6be557e6
--- /dev/null
+++ b/server/helpers/custom-validators/video-channels.ts
@@ -0,0 +1,57 @@
+import * as Promise from 'bluebird'
+import * as validator from 'validator'
+import * as express from 'express'
+import 'express-validator'
+import 'multer'
+
+import { database as db, CONSTRAINTS_FIELDS } from '../../initializers'
+import { VideoChannelInstance } from '../../models'
+import { logger } from '../logger'
+import { exists } from './misc'
+
+const VIDEO_CHANNELS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.VIDEO_CHANNELS
+
+function isVideoChannelDescriptionValid (value: string) {
+  return value === null || validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.DESCRIPTION)
+}
+
+function isVideoChannelNameValid (value: string) {
+  return exists(value) && validator.isLength(value, VIDEO_CHANNELS_CONSTRAINTS_FIELDS.NAME)
+}
+
+function isVideoChannelUUIDValid (value: string) {
+  return exists(value) && validator.isUUID('' + value, 4)
+}
+
+function checkVideoChannelExists (id: string, res: express.Response, callback: () => void) {
+  let promise: Promise<VideoChannelInstance>
+  if (validator.isInt(id)) {
+    promise = db.VideoChannel.loadAndPopulateAuthor(+id)
+  } else { // UUID
+    promise = db.VideoChannel.loadByUUIDAndPopulateAuthor(id)
+  }
+
+  promise.then(videoChannel => {
+    if (!videoChannel) {
+      return res.status(404)
+        .json({ error: 'Video channel not found' })
+        .end()
+    }
+
+    res.locals.videoChannel = videoChannel
+    callback()
+  })
+    .catch(err => {
+      logger.error('Error in video channel request validator.', err)
+      return res.sendStatus(500)
+    })
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isVideoChannelDescriptionValid,
+  isVideoChannelNameValid,
+  isVideoChannelUUIDValid,
+  checkVideoChannelExists
+}