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oapi.go
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oapi.go
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package oapi
import (
"github.com/buypal/oapi-go/internal/container"
"github.com/buypal/oapi-go/internal/oapi/spec"
"github.com/buypal/oapi-go/internal/route"
)
// FlattenPath represents single reuqest path in oapi spec.
type FlattenPath struct {
Method string
Path string
Key string
Operation container.Container
}
// FlattenPaths list of FlattenPath
type FlattenPaths []FlattenPath
// Match will match given path to given route
func (fp FlattenPaths) Match(pattern string) (xx FlattenPaths, err error) {
for _, x := range fp {
var matched bool
matched, err = route.Match(pattern, x.Method, x.Path)
if err != nil {
return
}
if !matched {
continue
}
xx = append(xx, x)
}
return
}
// Paths will parse paths in oapi container and return array of paths.
func Paths(cnt container.Container) (ff FlattenPaths, err error) {
paths, err := cnt.Path("paths").ChildrenMap()
if err != nil {
return
}
for path, methods := range paths {
var mx map[string]container.Container
mx, err = methods.ChildrenMap()
if err != nil {
return
}
for m, obj := range mx {
ff = append(ff, FlattenPath{
Method: m,
Path: path,
Operation: obj,
Key: container.SliceToDotPath([]string{
"paths", path, m,
}),
})
}
}
return
}
// SetPathsDefaults will iterate through paths and
// apply default on each path. This might be useful for
// supplying default headers or default responses.
func SetPathsDefaults(cnt container.Container, defops map[string]spec.Operation) (err error) {
paths, err := Paths(cnt)
if err != nil {
return
}
for pattern, override := range defops {
var ff FlattenPaths
ff, err = paths.Match(pattern)
if err != nil {
return
}
for _, f := range ff {
var nc, ov container.Container
nc = f.Operation
ov, err = container.Make(override)
if err != nil {
return
}
err = nc.Merge(ov, container.MergeDefault)
if err != nil {
return
}
err = cnt.SetP(f.Key, nc)
if err != nil {
return
}
}
}
return
}
// MergeWithRoot will merge container with root document.
func MergeWithRoot(root spec.OpenAPI, c container.Container) (err error) {
r, err := container.Make(root)
if err != nil {
return
}
type mx struct {
merge container.Merger
key string
}
for _, x := range []mx{
{merge: container.MergeOverride, key: "info"},
{merge: container.MergeStrict, key: "components"},
{merge: container.MergeDefault, key: "paths"},
{merge: container.MergeDefault, key: "externalDocs"},
{merge: container.MergeDefault, key: "security"},
{merge: container.MergeDefault, key: "servers"},
{merge: container.MergeDefault, key: "tags"},
} {
z := c.Path(x.key)
y := r.Path(x.key)
if z.IsNil() && y.IsNil() {
continue
}
s := container.New()
err := s.Merge(z, x.merge)
if err != nil {
return err
}
err = s.Merge(y, x.merge)
if err != nil {
return err
}
p, _ := container.Make(map[string]interface{}{
x.key: s.Data(),
})
err = c.Merge(p, container.MergeOverride)
if err != nil {
return err
}
}
return nil
}