2 files changed, 24 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index 6d10a65a8..a093e3e1b 100644
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -9,6 +9,10 @@ function isArray (value: any) {
   return Array.isArray(value)
 }
 
+function isIntArray (value: any) {
+  return Array.isArray(value) && value.every(v => validator.isInt('' + v))
+}
+
 function isDateValid (value: string) {
   return exists(value) && validator.isISO8601(value)
 }
@@ -78,6 +82,7 @@ function isFileValid (
 
 export {
   exists,
+  isIntArray,
   isArray,
   isIdValid,
   isUUIDValid,
diff --git a/server/helpers/custom-validators/user-notifications.ts b/server/helpers/custom-validators/user-notifications.ts
new file mode 100644
index 000000000..4fb5d922d
--- /dev/null
+++ b/server/helpers/custom-validators/user-notifications.ts
@@ -0,0 +1,19 @@
+import { exists } from './misc'
+import * as validator from 'validator'
+import { UserNotificationType } from '../../../shared/models/users'
+import { UserNotificationSettingValue } from '../../../shared/models/users/user-notification-setting.model'
+
+function isUserNotificationTypeValid (value: any) {
+  return exists(value) && validator.isInt('' + value) && UserNotificationType[value] !== undefined
+}
+
+function isUserNotificationSettingValid (value: any) {
+  return exists(value) &&
+    validator.isInt('' + value) &&
+    UserNotificationSettingValue[ value ] !== undefined
+}
+
+export {
+  isUserNotificationSettingValid,
+  isUserNotificationTypeValid
+}