v2 swagger scopes added to what-changed.

Added hashing functions to all v2 and v3 models that handle security, thats the next target.

what-changed/model/scopes.go

@@ -0,0 +1,61 @@
+// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
+// SPDX-License-Identifier: MIT
+
+package model
+
+import (
+	"github.com/pb33f/libopenapi/datamodel/low"
+	"github.com/pb33f/libopenapi/datamodel/low/v2"
+	v3 "github.com/pb33f/libopenapi/datamodel/low/v3"
+)
+
+type ScopesChanges struct {
+	PropertyChanges
+	ExtensionChanges *ExtensionChanges
+}
+
+func (s *ScopesChanges) TotalChanges() int {
+	c := s.PropertyChanges.TotalChanges()
+	if s.ExtensionChanges != nil {
+		c += s.ExtensionChanges.TotalChanges()
+	}
+	return c
+}
+
+func (s *ScopesChanges) TotalBreakingChanges() int {
+	return s.PropertyChanges.TotalBreakingChanges()
+}
+
+func CompareScopes(l, r *v2.Scopes) *ScopesChanges {
+	if low.AreEqual(l, r) {
+		return nil
+	}
+	var changes []*Change
+	for v := range l.Values {
+		if r != nil && r.FindScope(v.Value) == nil {
+			CreateChange(&changes, ObjectRemoved, v3.Scopes,
+				l.Values[v].ValueNode, nil, true,
+				v.Value, nil)
+			continue
+		}
+		if r != nil && r.FindScope(v.Value) != nil {
+			if l.Values[v].Value != r.FindScope(v.Value).Value {
+				CreateChange(&changes, Modified, v3.Scopes,
+					l.Values[v].ValueNode, r.FindScope(v.Value).ValueNode, true,
+					l.Values[v].Value, r.FindScope(v.Value).Value)
+			}
+		}
+	}
+	for v := range r.Values {
+		if l != nil && l.FindScope(v.Value) == nil {
+			CreateChange(&changes, ObjectAdded, v3.Scopes,
+				nil, r.Values[v].ValueNode, false,
+				nil, v.Value)
+		}
+	}
+
+	sc := new(ScopesChanges)
+	sc.Changes = changes
+	sc.ExtensionChanges = CompareExtensions(l.Extensions, r.Extensions)
+	return sc
+}