/
oasdiff.go
78 lines (66 loc) · 1.48 KB
/
oasdiff.go
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package openapi
import (
"github.com/mongodb/openapi/tools/cli/internal/openapi/errors"
"log"
"github.com/tufin/oasdiff/diff"
"github.com/tufin/oasdiff/load"
)
type OasDiff struct {
base *load.SpecInfo
external *load.SpecInfo
config *diff.Config
specDiff *diff.Diff
parser Parser
}
func NewOasDiff(base string) (*OasDiff, error) {
parser := NewOpenAPI3()
baseSpec, err := parser.CreateOpenAPISpecFromPath(base)
if err != nil {
return nil, err
}
return &OasDiff{
base: baseSpec,
parser: parser,
config: &diff.Config{
IncludePathParams: true,
},
}, nil
}
func (o *OasDiff) MergeOpenAPISpecs(paths []string) (*load.SpecInfo, error) {
for _, p := range paths {
spec, err := o.parser.CreateOpenAPISpecFromPath(p)
if err != nil {
return nil, err
}
specDiff, err := diff.Get(o.config, o.base.Spec, spec.Spec)
if err != nil {
log.Fatalf("error in calculating the diff of the specs: %s", err)
return nil, err
}
o.specDiff = specDiff
o.external = spec
err = o.mergeSpecIntoBase()
if err != nil {
return nil, err
}
}
return o.base, nil
}
func (o OasDiff) mergeSpecIntoBase() error {
return o.mergePaths()
}
func (o OasDiff) mergePaths() error {
pathsToMerge := o.external.Spec.Paths
basePaths := o.base.Spec.Paths
for k, v := range pathsToMerge.Map() {
if ok := basePaths.Value(k); ok == nil {
basePaths.Set(k, v)
} else {
return errors.PathConflictError{
Entry: k,
}
}
}
o.base.Spec.Paths = basePaths
return nil
}