2 files changed, 26 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index 455aae367..151fc852b 100644
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -41,6 +41,12 @@ function toValueOrNull (value: string) {
   return value
 }
 
+function toArray (value: string) {
+  if (value && isArray(value) === false) return [ value ]
+
+  return value
+}
+
 function isFileValid (
   files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[],
   mimeTypeRegex: string,
@@ -80,5 +86,6 @@ export {
   toValueOrNull,
   isBooleanValid,
   toIntOrNull,
+  toArray,
   isFileValid
 }
diff --git a/server/helpers/custom-validators/search.ts b/server/helpers/custom-validators/search.ts
new file mode 100644
index 000000000..2fde39160
--- /dev/null
+++ b/server/helpers/custom-validators/search.ts
@@ -0,0 +1,19 @@
+import * as validator from 'validator'
+import 'express-validator'
+
+import { isArray } from './misc'
+
+function isNumberArray (value: any) {
+  return isArray(value) && value.every(v => validator.isInt('' + v))
+}
+
+function isStringArray (value: any) {
+  return isArray(value) && value.every(v => typeof v === 'string')
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isNumberArray,
+  isStringArray
+}