Files
libopenapi/what-changed/model/document.go
2023-12-14 17:42:32 +00:00

336 lines
11 KiB
Go

// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
// SPDX-License-Identifier: MIT
// Package model
//
// What-changed models are unified across OpenAPI and Swagger. Everything is kept flat for simplicity, so please
// excuse the size of the package. There is a lot of data to crunch!
//
// Every model in here is either universal (works across both versions of OpenAPI) or is bound to a specific version
// of OpenAPI. There is only a single model however - so version specific objects are marked accordingly.
package model
import (
"reflect"
"github.com/pb33f/libopenapi/datamodel/low"
"github.com/pb33f/libopenapi/datamodel/low/base"
v2 "github.com/pb33f/libopenapi/datamodel/low/v2"
v3 "github.com/pb33f/libopenapi/datamodel/low/v3"
)
// DocumentChanges represents all the changes made to an OpenAPI document.
type DocumentChanges struct {
*PropertyChanges
InfoChanges *InfoChanges `json:"info,omitempty" yaml:"info,omitempty"`
PathsChanges *PathsChanges `json:"paths,omitempty" yaml:"paths,omitempty"`
TagChanges []*TagChanges `json:"tags,omitempty" yaml:"tags,omitempty"`
ExternalDocChanges *ExternalDocChanges `json:"externalDoc,omitempty" yaml:"externalDoc,omitempty"`
WebhookChanges map[string]*PathItemChanges `json:"webhooks,omitempty" yaml:"webhooks,omitempty"`
ServerChanges []*ServerChanges `json:"servers,omitempty" yaml:"servers,omitempty"`
SecurityRequirementChanges []*SecurityRequirementChanges `json:"securityRequirements,omitempty" yaml:"securityRequirements,omitempty"`
ComponentsChanges *ComponentsChanges `json:"components,omitempty" yaml:"components,omitempty"`
ExtensionChanges *ExtensionChanges `json:"extensions,omitempty" yaml:"extensions,omitempty"`
}
// TotalChanges returns a total count of all changes made in the Document
func (d *DocumentChanges) TotalChanges() int {
if d == nil {
return 0
}
c := d.PropertyChanges.TotalChanges()
if d.InfoChanges != nil {
c += d.InfoChanges.TotalChanges()
}
if d.PathsChanges != nil {
c += d.PathsChanges.TotalChanges()
}
for k := range d.TagChanges {
c += d.TagChanges[k].TotalChanges()
}
if d.ExternalDocChanges != nil {
c += d.ExternalDocChanges.TotalChanges()
}
for k := range d.WebhookChanges {
c += d.WebhookChanges[k].TotalChanges()
}
for k := range d.ServerChanges {
c += d.ServerChanges[k].TotalChanges()
}
for k := range d.SecurityRequirementChanges {
c += d.SecurityRequirementChanges[k].TotalChanges()
}
if d.ComponentsChanges != nil {
c += d.ComponentsChanges.TotalChanges()
}
if d.ExtensionChanges != nil {
c += d.ExtensionChanges.TotalChanges()
}
return c
}
// GetAllChanges returns a slice of all changes made between Document objects
func (d *DocumentChanges) GetAllChanges() []*Change {
if d == nil {
return nil
}
var changes []*Change
changes = append(changes, d.Changes...)
if d.InfoChanges != nil {
changes = append(changes, d.InfoChanges.GetAllChanges()...)
}
if d.PathsChanges != nil {
changes = append(changes, d.PathsChanges.GetAllChanges()...)
}
for k := range d.TagChanges {
changes = append(changes, d.TagChanges[k].GetAllChanges()...)
}
if d.ExternalDocChanges != nil {
changes = append(changes, d.ExternalDocChanges.GetAllChanges()...)
}
for k := range d.WebhookChanges {
changes = append(changes, d.WebhookChanges[k].GetAllChanges()...)
}
for k := range d.ServerChanges {
changes = append(changes, d.ServerChanges[k].GetAllChanges()...)
}
for k := range d.SecurityRequirementChanges {
changes = append(changes, d.SecurityRequirementChanges[k].GetAllChanges()...)
}
if d.ComponentsChanges != nil {
changes = append(changes, d.ComponentsChanges.GetAllChanges()...)
}
if d.ExtensionChanges != nil {
changes = append(changes, d.ExtensionChanges.GetAllChanges()...)
}
return changes
}
// TotalBreakingChanges returns a total count of all breaking changes made in the Document
func (d *DocumentChanges) TotalBreakingChanges() int {
if d == nil {
return 0
}
c := d.PropertyChanges.TotalBreakingChanges()
if d.InfoChanges != nil {
c += d.InfoChanges.TotalBreakingChanges()
}
if d.PathsChanges != nil {
c += d.PathsChanges.TotalBreakingChanges()
}
for k := range d.TagChanges {
c += d.TagChanges[k].TotalBreakingChanges()
}
if d.ExternalDocChanges != nil {
c += d.ExternalDocChanges.TotalBreakingChanges()
}
for k := range d.WebhookChanges {
c += d.WebhookChanges[k].TotalBreakingChanges()
}
for k := range d.ServerChanges {
c += d.ServerChanges[k].TotalBreakingChanges()
}
for k := range d.SecurityRequirementChanges {
c += d.SecurityRequirementChanges[k].TotalBreakingChanges()
}
if d.ComponentsChanges != nil {
c += d.ComponentsChanges.TotalBreakingChanges()
}
return c
}
// CompareDocuments will compare any two OpenAPI documents (either Swagger or OpenAPI) and return a pointer to
// DocumentChanges that outlines everything that was found to have changed.
func CompareDocuments(l, r any) *DocumentChanges {
var changes []*Change
var props []*PropertyCheck
dc := new(DocumentChanges)
if reflect.TypeOf(&v2.Swagger{}) == reflect.TypeOf(l) && reflect.TypeOf(&v2.Swagger{}) == reflect.TypeOf(r) {
lDoc := l.(*v2.Swagger)
rDoc := r.(*v2.Swagger)
// version
addPropertyCheck(&props, lDoc.Swagger.ValueNode, rDoc.Swagger.ValueNode,
lDoc.Swagger.Value, rDoc.Swagger.Value, &changes, v3.SwaggerLabel, true)
// host
addPropertyCheck(&props, lDoc.Host.ValueNode, rDoc.Host.ValueNode,
lDoc.Host.Value, rDoc.Host.Value, &changes, v3.HostLabel, true)
// base path
addPropertyCheck(&props, lDoc.BasePath.ValueNode, rDoc.BasePath.ValueNode,
lDoc.BasePath.Value, rDoc.BasePath.Value, &changes, v3.BasePathLabel, true)
// schemes
if len(lDoc.Schemes.Value) > 0 || len(rDoc.Schemes.Value) > 0 {
ExtractStringValueSliceChanges(lDoc.Schemes.Value, rDoc.Schemes.Value,
&changes, v3.SchemesLabel, true)
}
// consumes
if len(lDoc.Consumes.Value) > 0 || len(rDoc.Consumes.Value) > 0 {
ExtractStringValueSliceChanges(lDoc.Consumes.Value, rDoc.Consumes.Value,
&changes, v3.ConsumesLabel, true)
}
// produces
if len(lDoc.Produces.Value) > 0 || len(rDoc.Produces.Value) > 0 {
ExtractStringValueSliceChanges(lDoc.Produces.Value, rDoc.Produces.Value,
&changes, v3.ProducesLabel, true)
}
// tags
dc.TagChanges = CompareTags(lDoc.Tags.Value, rDoc.Tags.Value)
// paths
if !lDoc.Paths.IsEmpty() || !rDoc.Paths.IsEmpty() {
dc.PathsChanges = ComparePaths(lDoc.Paths.Value, rDoc.Paths.Value)
}
// external docs
compareDocumentExternalDocs(lDoc, rDoc, dc, &changes)
// info
compareDocumentInfo(&lDoc.Info, &rDoc.Info, dc, &changes)
// security
if !lDoc.Security.IsEmpty() || !rDoc.Security.IsEmpty() {
checkSecurity(lDoc.Security, rDoc.Security, &changes, dc)
}
// components / definitions
// swagger (damn you) decided to put all this stuff at the document root, rather than cleanly
// placing it under a parent, like they did with OpenAPI. This means picking through each definition
// creating a new set of changes and then morphing them into a single changes object.
cc := new(ComponentsChanges)
cc.PropertyChanges = new(PropertyChanges)
if n := CompareComponents(lDoc.Definitions.Value, rDoc.Definitions.Value); n != nil {
cc.SchemaChanges = n.SchemaChanges
}
if n := CompareComponents(lDoc.SecurityDefinitions.Value, rDoc.SecurityDefinitions.Value); n != nil {
cc.SecuritySchemeChanges = n.SecuritySchemeChanges
}
if n := CompareComponents(lDoc.Parameters.Value, rDoc.Parameters.Value); n != nil {
cc.PropertyChanges.Changes = append(cc.PropertyChanges.Changes, n.Changes...)
}
if n := CompareComponents(lDoc.Responses.Value, rDoc.Responses.Value); n != nil {
cc.Changes = append(cc.Changes, n.Changes...)
}
dc.ExtensionChanges = CompareExtensions(lDoc.Extensions, rDoc.Extensions)
if cc.TotalChanges() > 0 {
dc.ComponentsChanges = cc
}
}
if reflect.TypeOf(&v3.Document{}) == reflect.TypeOf(l) && reflect.TypeOf(&v3.Document{}) == reflect.TypeOf(r) {
lDoc := l.(*v3.Document)
rDoc := r.(*v3.Document)
// version
addPropertyCheck(&props, lDoc.Version.ValueNode, rDoc.Version.ValueNode,
lDoc.Version.Value, rDoc.Version.Value, &changes, v3.OpenAPILabel, true)
// schema dialect
addPropertyCheck(&props, lDoc.JsonSchemaDialect.ValueNode, rDoc.JsonSchemaDialect.ValueNode,
lDoc.JsonSchemaDialect.Value, rDoc.JsonSchemaDialect.Value, &changes, v3.JSONSchemaDialectLabel, true)
// tags
dc.TagChanges = CompareTags(lDoc.Tags.Value, rDoc.Tags.Value)
// paths
if !lDoc.Paths.IsEmpty() || !rDoc.Paths.IsEmpty() {
dc.PathsChanges = ComparePaths(lDoc.Paths.Value, rDoc.Paths.Value)
}
// external docs
compareDocumentExternalDocs(lDoc, rDoc, dc, &changes)
// info
compareDocumentInfo(&lDoc.Info, &rDoc.Info, dc, &changes)
// security
if !lDoc.Security.IsEmpty() || !rDoc.Security.IsEmpty() {
checkSecurity(lDoc.Security, rDoc.Security, &changes, dc)
}
// compare components.
if !lDoc.Components.IsEmpty() && !rDoc.Components.IsEmpty() {
if n := CompareComponents(lDoc.Components.Value, rDoc.Components.Value); n != nil {
dc.ComponentsChanges = n
}
}
if !lDoc.Components.IsEmpty() && rDoc.Components.IsEmpty() {
CreateChange(&changes, PropertyRemoved, v3.ComponentsLabel,
lDoc.Components.ValueNode, nil, true, lDoc.Components.Value, nil)
}
if lDoc.Components.IsEmpty() && !rDoc.Components.IsEmpty() {
CreateChange(&changes, PropertyAdded, v3.ComponentsLabel,
rDoc.Components.ValueNode, nil, false, nil, lDoc.Components.Value)
}
// compare servers
if n := checkServers(lDoc.Servers, rDoc.Servers); n != nil {
dc.ServerChanges = n
}
// compare webhooks
dc.WebhookChanges = CheckMapForChanges(lDoc.Webhooks.Value, rDoc.Webhooks.Value, &changes,
v3.WebhooksLabel, ComparePathItemsV3)
// extensions
dc.ExtensionChanges = CompareExtensions(lDoc.Extensions, rDoc.Extensions)
}
CheckProperties(props)
dc.PropertyChanges = NewPropertyChanges(changes)
if dc.TotalChanges() <= 0 {
return nil
}
return dc
}
func compareDocumentExternalDocs(l, r low.HasExternalDocs, dc *DocumentChanges, changes *[]*Change) {
// external docs
if !l.GetExternalDocs().IsEmpty() && !r.GetExternalDocs().IsEmpty() {
lExtDoc := l.GetExternalDocs().Value.(*base.ExternalDoc)
rExtDoc := r.GetExternalDocs().Value.(*base.ExternalDoc)
if !low.AreEqual(lExtDoc, rExtDoc) {
dc.ExternalDocChanges = CompareExternalDocs(lExtDoc, rExtDoc)
}
}
if l.GetExternalDocs().IsEmpty() && !r.GetExternalDocs().IsEmpty() {
CreateChange(changes, PropertyAdded, v3.ExternalDocsLabel,
nil, r.GetExternalDocs().ValueNode, false, nil,
r.GetExternalDocs().Value)
}
if !l.GetExternalDocs().IsEmpty() && r.GetExternalDocs().IsEmpty() {
CreateChange(changes, PropertyRemoved, v3.ExternalDocsLabel,
l.GetExternalDocs().ValueNode, nil, false, l.GetExternalDocs().Value,
nil)
}
}
func compareDocumentInfo(l, r *low.NodeReference[*base.Info], dc *DocumentChanges, changes *[]*Change) {
// info
if !l.IsEmpty() && !r.IsEmpty() {
lInfo := l.Value
rInfo := r.Value
if !low.AreEqual(lInfo, rInfo) {
dc.InfoChanges = CompareInfo(lInfo, rInfo)
}
}
if l.IsEmpty() && !r.IsEmpty() {
CreateChange(changes, PropertyAdded, v3.InfoLabel,
nil, r.ValueNode, false, nil,
r.Value)
}
if !l.IsEmpty() && r.IsEmpty() {
CreateChange(changes, PropertyRemoved, v3.InfoLabel,
l.ValueNode, nil, false, l.Value,
nil)
}
}