init

at-admin/vendor/github.com/go-ozzo/ozzo-validation/not_in.go

@@ -0,0 +1,45 @@
+// Copyright 2018 Qiang Xue, Google LLC. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package validation
+
+import (
+	"errors"
+)
+
+// NotIn returns a validation rule that checks if a value os absent from, the given list of values.
+// Note that the value being checked and the possible range of values must be of the same type.
+// An empty value is considered valid. Use the Required rule to make sure a value is not empty.
+func NotIn(values ...interface{}) *NotInRule {
+	return &NotInRule{
+		elements: values,
+		message:  "must not be in list",
+	}
+}
+
+type NotInRule struct {
+	elements []interface{}
+	message  string
+}
+
+// Validate checks if the given value is valid or not.
+func (r *NotInRule) Validate(value interface{}) error {
+	value, isNil := Indirect(value)
+	if isNil || IsEmpty(value) {
+		return nil
+	}
+
+	for _, e := range r.elements {
+		if e == value {
+			return errors.New(r.message)
+		}
+	}
+	return nil
+}
+
+// Error sets the error message for the rule.
+func (r *NotInRule) Error(message string) *NotInRule {
+	r.message = message
+	return r
+}