Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: Public methods now return MultiError instead of []error #123

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension


Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
102 changes: 49 additions & 53 deletions document.go
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
package libopenapi

import (
"errors"
"fmt"

"github.com/pb33f/libopenapi/index"
Expand Down Expand Up @@ -48,13 +47,13 @@
// If there are any issues, then no model will be returned, instead a slice of errors will explain all the
// problems that occurred. This method will only support version 2 specifications and will throw an error for
// any other types.
BuildV2Model() (*DocumentModel[v2high.Swagger], []error)
BuildV2Model() (*DocumentModel[v2high.Swagger], error)

// BuildV3Model will build out an OpenAPI (version 3+) model from the specification used to create the document
// If there are any issues, then no model will be returned, instead a slice of errors will explain all the
// problems that occurred. This method will only support version 3 specifications and will throw an error for
// any other types.
BuildV3Model() (*DocumentModel[v3high.Document], []error)
BuildV3Model() (*DocumentModel[v3high.Document], error)

// RenderAndReload will render the high level model as it currently exists (including any mutations, additions
// and removals to and from any object in the tree). It will then reload the low level model with the new bytes
Expand All @@ -70,7 +69,7 @@
// **IMPORTANT** This method only supports OpenAPI Documents. The Swagger model will not support mutations correctly
// and will not update when called. This choice has been made because we don't want to continue supporting Swagger,
// it's too old, so it should be motivation to upgrade to OpenAPI 3.
RenderAndReload() ([]byte, Document, *DocumentModel[v3high.Document], []error)
RenderAndReload() ([]byte, Document, *DocumentModel[v3high.Document], error)

// Serialize will re-render a Document back into a []byte slice. If any modifications have been made to the
// underlying data model using low level APIs, then those changes will be reflected in the serialized output.
Expand Down Expand Up @@ -156,9 +155,9 @@
}
}

func (d *document) RenderAndReload() ([]byte, Document, *DocumentModel[v3high.Document], []error) {
func (d *document) RenderAndReload() ([]byte, Document, *DocumentModel[v3high.Document], error) {
if d.highSwaggerModel != nil && d.highOpenAPI3Model == nil {
return nil, nil, nil, []error{errors.New("this method only supports OpenAPI 3 documents, not Swagger")}
return nil, nil, nil, errorMsg("this method only supports OpenAPI 3 documents, not Swagger")
}

var newBytes []byte
Expand All @@ -181,30 +180,27 @@

newDoc, err := NewDocumentWithConfiguration(newBytes, d.config)
if err != nil {
return newBytes, newDoc, nil, []error{err}
return newBytes, newDoc, nil, wrapErr(err)

Check warning on line 183 in document.go

View check run for this annotation

Codecov / codecov/patch

document.go#L183

Added line #L183 was not covered by tests
}
// build the model.
model, errs := newDoc.BuildV3Model()
if errs != nil {
return newBytes, newDoc, model, errs
model, err := newDoc.BuildV3Model()
if err != nil {
return newBytes, newDoc, model, wrapErr(err)
}
// this document is now dead, long live the new document!
return newBytes, newDoc, model, nil
}

func (d *document) BuildV2Model() (*DocumentModel[v2high.Swagger], []error) {
func (d *document) BuildV2Model() (*DocumentModel[v2high.Swagger], error) {
if d.highSwaggerModel != nil {
return d.highSwaggerModel, nil
}
var errors []error
if d.info == nil {
errors = append(errors, fmt.Errorf("unable to build swagger document, no specification has been loaded"))
return nil, errors
return nil, errorMsg("unable to build swagger document, no specification has been loaded")
}
if d.info.SpecFormat != datamodel.OAS2 {
errors = append(errors, fmt.Errorf("unable to build swagger document, "+
"supplied spec is a different version (%v). Try 'BuildV3Model()'", d.info.SpecFormat))
return nil, errors
return nil, errorMsgf("unable to build swagger document, "+
"supplied spec is a different version (%v). Try 'BuildV3Model()'", d.info.SpecFormat)
}

var lowDoc *v2low.Swagger
Expand All @@ -215,39 +211,36 @@
}
}

lowDoc, errors = v2low.CreateDocumentFromConfig(d.info, d.config)
lowDoc, errs := v2low.CreateDocumentFromConfig(d.info, d.config)
// Do not short-circuit on circular reference errors, so the client
// has the option of ignoring them.
for _, err := range errors {
for _, err := range errs {
if refErr, ok := err.(*resolver.ResolvingError); ok {
if refErr.CircularReference == nil {
return nil, errors
return nil, wrapErrs(errs)
}
} else {
return nil, errors
return nil, wrapErrs(errs)
}
}
highDoc := v2high.NewSwaggerDocument(lowDoc)
d.highSwaggerModel = &DocumentModel[v2high.Swagger]{
Model: *highDoc,
Index: lowDoc.Index,
}
return d.highSwaggerModel, errors
return d.highSwaggerModel, wrapErrs(errs)
}

func (d *document) BuildV3Model() (*DocumentModel[v3high.Document], []error) {
func (d *document) BuildV3Model() (*DocumentModel[v3high.Document], error) {
if d.highOpenAPI3Model != nil {
return d.highOpenAPI3Model, nil
}
var errors []error
if d.info == nil {
errors = append(errors, fmt.Errorf("unable to build document, no specification has been loaded"))
return nil, errors
return nil, errorMsg("unable to build document, no specification has been loaded")
}
if d.info.SpecFormat != datamodel.OAS3 {
errors = append(errors, fmt.Errorf("unable to build openapi document, "+
"supplied spec is a different version (%v). Try 'BuildV2Model()'", d.info.SpecFormat))
return nil, errors
return nil, errorMsgf("unable to build openapi document, "+
"supplied spec is a different version (%v). Try 'BuildV2Model()'", d.info.SpecFormat)
}

var lowDoc *v3low.Document
Expand All @@ -258,24 +251,24 @@
}
}

lowDoc, errors = v3low.CreateDocumentFromConfig(d.info, d.config)
lowDoc, errs := v3low.CreateDocumentFromConfig(d.info, d.config)
// Do not short-circuit on circular reference errors, so the client
// has the option of ignoring them.
for _, err := range errors {
for _, err := range errs {
if refErr, ok := err.(*resolver.ResolvingError); ok {
if refErr.CircularReference == nil {
return nil, errors
return nil, wrapErrs(errs)

Check warning on line 260 in document.go

View check run for this annotation

Codecov / codecov/patch

document.go#L260

Added line #L260 was not covered by tests
}
} else {
return nil, errors
return nil, wrapErrs(errs)
}
}
highDoc := v3high.NewDocument(lowDoc)
d.highOpenAPI3Model = &DocumentModel[v3high.Document]{
Model: *highDoc,
Index: lowDoc.Index,
}
return d.highOpenAPI3Model, errors
return d.highOpenAPI3Model, wrapErrs(errs)
}

// CompareDocuments will accept a left and right Document implementing struct, build a model for the correct
Expand All @@ -284,37 +277,40 @@
// If there are any errors when building the models, those errors are returned with a nil pointer for the
// model.DocumentChanges. If there are any changes found however between either Document, then a pointer to
// model.DocumentChanges is returned containing every single change, broken down, model by model.
func CompareDocuments(original, updated Document) (*model.DocumentChanges, []error) {
var errors []error
func CompareDocuments(original, updated Document) (*model.DocumentChanges, error) {
errs := &MultiError{}
if original.GetSpecInfo().SpecType == utils.OpenApi3 && updated.GetSpecInfo().SpecType == utils.OpenApi3 {
v3ModelLeft, errs := original.BuildV3Model()
if len(errs) > 0 {
errors = errs
v3ModelLeft, err := original.BuildV3Model()
if err != nil {
errs.Append(err)
}
v3ModelRight, errs := updated.BuildV3Model()
if len(errs) > 0 {
errors = append(errors, errs...)
v3ModelRight, err := updated.BuildV3Model()
if err != nil {
errs.Append(err)
}
if v3ModelLeft != nil && v3ModelRight != nil {
return what_changed.CompareOpenAPIDocuments(v3ModelLeft.Model.GoLow(), v3ModelRight.Model.GoLow()), errors
return what_changed.CompareOpenAPIDocuments(v3ModelLeft.Model.GoLow(), v3ModelRight.Model.GoLow()),
errs.OrNil()
} else {
return nil, errors
return nil, errs.OrNil()
}
}
if original.GetSpecInfo().SpecType == utils.OpenApi2 && updated.GetSpecInfo().SpecType == utils.OpenApi2 {
v2ModelLeft, errs := original.BuildV2Model()
if len(errs) > 0 {
errors = errs
errs := &MultiError{}
v2ModelLeft, err := original.BuildV2Model()
if err != nil {
errs.Append(err)
}
v2ModelRight, errs := updated.BuildV2Model()
if len(errs) > 0 {
errors = append(errors, errs...)
v2ModelRight, err := updated.BuildV2Model()
if err != nil {
errs.Append(err)
}
if v2ModelLeft != nil && v2ModelRight != nil {
return what_changed.CompareSwaggerDocuments(v2ModelLeft.Model.GoLow(), v2ModelRight.Model.GoLow()), errors
return what_changed.CompareSwaggerDocuments(v2ModelLeft.Model.GoLow(), v2ModelRight.Model.GoLow()),
errs.OrNil()
} else {
return nil, errors
return nil, errs.OrNil()
}
}
return nil, []error{fmt.Errorf("unable to compare documents, one or both documents are not of the same version")}
return nil, errorMsg("unable to compare documents, one or both documents are not of the same version")
}
Loading