Fix creating lists with non utf-8 characters

pkg/models/list.go

@@ -404,7 +404,7 @@ func GenerateListIdentifier(l *List, sess *xorm.Engine) (err error) {
 	// The general idea here is to take the title and slice it into pieces, until we found a unique piece.
 
 	var exists = true
-	titleSlug := strings.Replace(strings.ToUpper(l.Title), " ", "", -1)
+	titleSlug := []rune(strings.Replace(strings.ToUpper(l.Title), " ", "", -1))
 
 	// We can save at most 10 characters in the db, so we need to ensure it has at most 10 characters
 	if len(titleSlug) > 10 {
@@ -421,7 +421,7 @@ func GenerateListIdentifier(l *List, sess *xorm.Engine) (err error) {
 		}
 
 		// Take a random part of the title slug, starting at the beginning
-		l.Identifier = titleSlug[i:]
+		l.Identifier = string(titleSlug[i:])
 		exists, err = sess.
 			Where("identifier = ?", l.Identifier).
 			And("id != ?", l.ID).

pkg/models/list_test.go

@@ -79,6 +79,16 @@ func TestList_CreateOrUpdate(t *testing.T) {
 			assert.Error(t, err)
 			assert.True(t, IsErrListIdentifierIsNotUnique(err))
 		})
+		t.Run("non utf8 characters", func(t *testing.T) {
+			db.LoadAndAssertFixtures(t)
+			list := List{
+				Title:       "приффки фсем",
+				Description: "Lorem Ipsum",
+				NamespaceID: 1,
+			}
+			err := list.Create(usr)
+			assert.NoError(t, err)
+		})
 	})
 
 	t.Run("update", func(t *testing.T) {