Files
libopenapi/what-changed/parameter.go
Dave Shanley 9cd7e4f155 Working through what changed rabbit hole
Parameter dependencies mean we're back in the ball of yarn stage. Coverage is going to drop for a bit, until all the new hashing and interfaces are in place.
2022-11-18 11:00:34 -05:00

393 lines
12 KiB
Go

// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
// SPDX-License-Identifier: MIT
package what_changed
import (
"fmt"
"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"
"gopkg.in/yaml.v3"
"reflect"
)
type ParameterChanges struct {
PropertyChanges
SchemaChanges *SchemaChanges
ExtensionChanges *ExtensionChanges
// V2 change types
// ItemsChanges
// v3 change types
ExampleChanges map[string]*ExampleChanges
}
// TotalChanges returns a count of everything that changed
func (p *ParameterChanges) TotalChanges() int {
c := p.PropertyChanges.TotalChanges()
if p.SchemaChanges != nil {
c += p.SchemaChanges.TotalChanges()
}
if len(p.ExampleChanges) > 0 {
for i := range p.ExampleChanges {
c += p.ExampleChanges[i].TotalChanges()
}
}
if p.ExtensionChanges != nil {
c += p.ExtensionChanges.TotalChanges()
}
return c
}
// TotalBreakingChanges always returns 0 for ExternalDoc objects, they are non-binding.
func (p *ParameterChanges) TotalBreakingChanges() int {
c := p.PropertyChanges.TotalBreakingChanges()
if p.SchemaChanges != nil {
c += p.SchemaChanges.TotalBreakingChanges()
}
return c
}
func addPropertyCheck(props *[]*PropertyCheck,
lvn, rvn *yaml.Node, lv, rv any, changes *[]*Change, label string, breaking bool) {
*props = append(*props, &PropertyCheck{
LeftNode: lvn,
RightNode: rvn,
Label: label,
Changes: changes,
Breaking: breaking,
Original: lv,
New: rv,
})
}
func addOpenAPIParameterProperties(left, right low.IsParameter, changes *[]*Change) []*PropertyCheck {
var props []*PropertyCheck
// style
addPropertyCheck(&props, left.GetStyle().ValueNode, right.GetStyle().ValueNode,
left.GetStyle(), right.GetStyle(), changes, v3.StyleLabel, false)
// allow reserved
addPropertyCheck(&props, left.GetAllowReserved().ValueNode, right.GetAllowReserved().ValueNode,
left.GetAllowReserved(), right.GetAllowReserved(), changes, v3.AllowReservedLabel, true)
// explode
addPropertyCheck(&props, left.GetExplode().ValueNode, right.GetExplode().ValueNode,
left.GetExplode(), right.GetExplode(), changes, v3.ExplodeLabel, false)
// deprecated
addPropertyCheck(&props, left.GetDeprecated().ValueNode, right.GetDeprecated().ValueNode,
left.GetDeprecated(), right.GetDeprecated(), changes, v3.DeprecatedLabel, false)
return props
}
func addSwaggerParameterProperties(left, right low.IsParameter, changes *[]*Change) []*PropertyCheck {
var props []*PropertyCheck
// type
addPropertyCheck(&props, left.GetType().ValueNode, right.GetType().ValueNode,
left.GetType(), right.GetType(), changes, v3.TypeLabel, true)
// format
addPropertyCheck(&props, left.GetFormat().ValueNode, right.GetFormat().ValueNode,
left.GetFormat(), right.GetFormat(), changes, v3.FormatLabel, true)
// collection format
addPropertyCheck(&props, left.GetCollectionFormat().ValueNode, right.GetCollectionFormat().ValueNode,
left.GetCollectionFormat(), right.GetCollectionFormat(), changes, v3.CollectionFormatLabel, true)
// maximum
addPropertyCheck(&props, left.GetMaximum().ValueNode, right.GetMaximum().ValueNode,
left.GetMaximum(), right.GetMaximum(), changes, v3.MaximumLabel, true)
// minimum
addPropertyCheck(&props, left.GetMinimum().ValueNode, right.GetMinimum().ValueNode,
left.GetMinimum(), right.GetMinimum(), changes, v3.MinimumLabel, true)
// exclusive maximum
addPropertyCheck(&props, left.GetExclusiveMaximum().ValueNode, right.GetExclusiveMaximum().ValueNode,
left.GetExclusiveMaximum(), right.GetExclusiveMaximum(), changes, v3.ExclusiveMaximumLabel, true)
// exclusive minimum
addPropertyCheck(&props, left.GetExclusiveMinimum().ValueNode, right.GetExclusiveMinimum().ValueNode,
left.GetExclusiveMinimum(), right.GetExclusiveMinimum(), changes, v3.ExclusiveMinimumLabel, true)
// max length
addPropertyCheck(&props, left.GetMaxLength().ValueNode, right.GetMaxLength().ValueNode,
left.GetMaxLength(), right.GetMaxLength(), changes, v3.MaxLengthLabel, true)
// min length
addPropertyCheck(&props, left.GetMinLength().ValueNode, right.GetMinLength().ValueNode,
left.GetMinLength(), right.GetMinLength(), changes, v3.MinLengthLabel, true)
// pattern
addPropertyCheck(&props, left.GetPattern().ValueNode, right.GetPattern().ValueNode,
left.GetPattern(), right.GetPattern(), changes, v3.PatternLabel, true)
// max items
addPropertyCheck(&props, left.GetMaxItems().ValueNode, right.GetMaxItems().ValueNode,
left.GetMaxItems(), right.GetMaxItems(), changes, v3.MaxItemsLabel, true)
// min items
addPropertyCheck(&props, left.GetMinItems().ValueNode, right.GetMinItems().ValueNode,
left.GetMinItems(), right.GetMinItems(), changes, v3.MinItemsLabel, true)
// unique items
addPropertyCheck(&props, left.GetUniqueItems().ValueNode, right.GetUniqueItems().ValueNode,
left.GetUniqueItems(), right.GetUniqueItems(), changes, v3.UniqueItemsLabel, true)
// multiple of
addPropertyCheck(&props, left.GetMultipleOf().ValueNode, right.GetMultipleOf().ValueNode,
left.GetMultipleOf(), right.GetMultipleOf(), changes, v3.MultipleOfLabel, true)
return props
}
func addCommonParameterProperties(left, right low.IsParameter, changes *[]*Change) []*PropertyCheck {
var props []*PropertyCheck
addPropertyCheck(&props, left.GetName().ValueNode, right.GetName().ValueNode,
left.GetName(), right.GetName(), changes, v3.NameLabel, true)
// in
addPropertyCheck(&props, left.GetIn().ValueNode, right.GetIn().ValueNode,
left.GetIn(), right.GetIn(), changes, v3.InLabel, true)
// description
addPropertyCheck(&props, left.GetDescription().ValueNode, right.GetDescription().ValueNode,
left.GetDescription(), right.GetDescription(), changes, v3.DescriptionLabel, false)
// required
addPropertyCheck(&props, left.GetRequired().ValueNode, right.GetRequired().ValueNode,
left.GetRequired(), right.GetRequired(), changes, v3.RequiredLabel, true)
// allow empty value
addPropertyCheck(&props, left.GetAllowEmptyValue().ValueNode, right.GetAllowEmptyValue().ValueNode,
left.GetAllowEmptyValue(), right.GetAllowEmptyValue(), changes, v3.AllowEmptyValueLabel, true)
return props
}
func CompareParameters(l, r any) *ParameterChanges {
var changes []*Change
var props []*PropertyCheck
pc := new(ParameterChanges)
var lSchema *base.SchemaProxy
var rSchema *base.SchemaProxy
var lext, rext map[low.KeyReference[string]]low.ValueReference[any]
if reflect.TypeOf(&v2.Parameter{}) == reflect.TypeOf(l) && reflect.TypeOf(&v2.Parameter{}) == reflect.TypeOf(r) {
lParam := l.(*v2.Parameter)
rParam := r.(*v2.Parameter)
// perform hash check to avoid further processing
if low.AreEqual(lParam, rParam) {
return nil
}
props = append(props, addSwaggerParameterProperties(lParam, rParam, &changes)...)
props = append(props, addCommonParameterProperties(lParam, rParam, &changes)...)
// extract schema
if lParam != nil {
lSchema = lParam.Schema.Value
lext = lParam.Extensions
}
if rParam != nil {
rext = rParam.Extensions
rSchema = rParam.Schema.Value
}
// todo: items
// todo: default
// todo: enums
}
// OpenAPI
if reflect.TypeOf(&v3.Parameter{}) == reflect.TypeOf(l) && reflect.TypeOf(&v3.Parameter{}) == reflect.TypeOf(r) {
lParam := l.(*v3.Parameter)
rParam := r.(*v3.Parameter)
// perform hash check to avoid further processing
if low.AreEqual(lParam, rParam) {
return nil
}
props = append(props, addOpenAPIParameterProperties(lParam, rParam, &changes)...)
props = append(props, addCommonParameterProperties(lParam, rParam, &changes)...)
if lParam != nil {
lext = lParam.Extensions
lSchema = lParam.Schema.Value
}
if rParam != nil {
rext = rParam.Extensions
rSchema = rParam.Schema.Value
}
// example
if lParam.Example.Value != nil && rParam.Example.Value != nil {
if low.GenerateHashString(lParam.Example.Value) != low.GenerateHashString(rParam.Example.Value) {
CreateChange(&changes, Modified, v3.ExampleLabel,
lParam.Example.GetValueNode(), rParam.Example.GetValueNode(), false,
lParam.Example.GetValue(), rParam.Example.GetValue())
}
}
if lParam.Example.Value == nil && rParam.Example.Value != nil {
CreateChange(&changes, PropertyAdded, v3.ExampleLabel,
nil, rParam.Example.GetValueNode(), false,
nil, rParam.Example.GetValue())
}
if lParam.Example.Value != nil && rParam.Example.Value == nil {
CreateChange(&changes, PropertyRemoved, v3.ExampleLabel,
lParam.Example.GetValueNode(), nil, false,
lParam.Example.GetValue(), nil)
}
// examples
checkParameterExamples(lParam, rParam, changes, pc)
// todo: content
}
CheckProperties(props)
if lSchema != nil && rSchema != nil {
pc.SchemaChanges = CompareSchemas(lSchema, rSchema)
}
if lSchema != nil && rSchema == nil {
CreateChange(&changes, ObjectRemoved, v3.SchemaLabel,
lSchema.GetValueNode(), nil, true, lSchema,
nil)
}
if lSchema == nil && rSchema != nil {
CreateChange(&changes, ObjectAdded, v3.SchemaLabel,
nil, rSchema.GetValueNode(), true, nil,
rSchema)
}
pc.Changes = changes
pc.ExtensionChanges = CompareExtensions(lext, rext)
if pc.TotalChanges() > 0 {
return pc
}
return nil
}
func checkParameterExamples(lParam *v3.Parameter, rParam *v3.Parameter, changes []*Change, pc *ParameterChanges) {
lExpHashes := make(map[string]string)
rExpHashes := make(map[string]string)
lExpValues := make(map[string]low.ValueReference[*base.Example])
rExpValues := make(map[string]low.ValueReference[*base.Example])
if lParam != nil && lParam.Examples.Value != nil {
for k := range lParam.Examples.Value {
lExpHashes[k.Value] = fmt.Sprintf("%x", lParam.Examples.Value[k].Value.Hash())
lExpValues[k.Value] = lParam.Examples.Value[k]
}
}
if rParam != nil && rParam.Examples.Value != nil {
for k := range rParam.Examples.Value {
rExpHashes[k.Value] = fmt.Sprintf("%x", rParam.Examples.Value[k].Value.Hash())
rExpValues[k.Value] = rParam.Examples.Value[k]
}
}
expChanges := make(map[string]*ExampleChanges)
// check left example hashes
for k := range lExpHashes {
rhash := rExpHashes[k]
if rhash == "" {
CreateChange(&changes, ObjectRemoved, v3.ExamplesLabel,
lExpValues[k].GetValueNode(), nil, false,
lExpValues[k].GetValue(), nil)
continue
}
if lExpHashes[k] == rExpHashes[k] {
continue
}
expChanges[k] = CompareExamples(lExpValues[k].Value, rExpValues[k].Value)
}
//check right example hashes
for k := range rExpHashes {
lhash := lExpHashes[k]
if lhash == "" {
CreateChange(&changes, ObjectAdded, v3.ExamplesLabel,
nil, lExpValues[k].GetValueNode(), false,
nil, lExpValues[k].GetValue())
continue
}
}
if len(expChanges) > 0 {
pc.ExampleChanges = expChanges
}
}
func checkParameterContent(lParam *v3.Parameter, rParam *v3.Parameter, changes []*Change, pc *ParameterChanges) {
lConHashes := make(map[string]string)
rConHashes := make(map[string]string)
lConValues := make(map[string]low.ValueReference[*v3.MediaType])
rConValues := make(map[string]low.ValueReference[*v3.MediaType])
if lParam != nil && lParam.Content.Value != nil {
for k := range lParam.Content.Value {
lConHashes[k.Value] = fmt.Sprintf("%x", lParam.Content.Value[k].Value.Hash())
lConValues[k.Value] = lParam.Content.Value[k]
}
}
if rParam != nil && rParam.Content.Value != nil {
for k := range rParam.Content.Value {
rConHashes[k.Value] = fmt.Sprintf("%x", rParam.Content.Value[k].Value.Hash())
rConValues[k.Value] = rParam.Content.Value[k]
}
}
expChanges := make(map[string]*ExampleChanges)
// check left example hashes
for k := range lConHashes {
rhash := rConHashes[k]
if rhash == "" {
CreateChange(&changes, ObjectRemoved, v3.ExamplesLabel,
lConValues[k].GetValueNode(), nil, false,
lConValues[k].GetValue(), nil)
continue
}
if lConHashes[k] == rConHashes[k] {
continue
}
// Compare media types.
//expChanges[k] = CompareM(lConValues[k].Value, rConValues[k].Value)
// todo: start here <--------
}
//check right example hashes
for k := range rConHashes {
lhash := lConHashes[k]
if lhash == "" {
CreateChange(&changes, ObjectAdded, v3.ExamplesLabel,
nil, lConValues[k].GetValueNode(), false,
nil, lConValues[k].GetValue())
continue
}
}
if len(expChanges) > 0 {
pc.ExampleChanges = expChanges
}
}