fix:#65 added new UID generation for ical File

backend/service/functions/string.go

@@ -1,6 +1,10 @@
 package functions
 
-import "strings"
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"strings"
+)
 
 // check if string is empty or contains only whitespaces
 func OnlyWhitespace(word string) bool {
@@ -25,3 +29,10 @@ func ReplaceEmptyString(word string, replacement string) string {
 	}
 	return word
 }
+
+func HashString(s string) string {
+	hash := sha256.New()
+	hash.Write([]byte(s))
+	hashInBytes := hash.Sum(nil)
+	return hex.EncodeToString(hashInBytes)
+}