mirror of
https://github.com/Bornholm/formidable.git
synced 2024-12-23 15:29:33 +01:00
39 lines
652 B
Go
39 lines
652 B
Go
|
package data
|
||
|
|
|
||
|
|
import (
|
||
|
|
"io"
|
||
|
|
"net/url"
|
||
|
|
|
||
|
|
"github.com/pkg/errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
type UpdaterHandler interface {
|
||
|
|
URLMatcher
|
||
|
|
Update(url *url.URL) (io.WriteCloser, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
type Updater struct {
|
||
|
|
handlers []UpdaterHandler
|
||
|
|
}
|
||
|
|
|
||
|
|
func (u *Updater) Update(url *url.URL) (io.WriteCloser, error) {
|
||
|
|
for _, h := range u.handlers {
|
||
|
|
if !h.Match(url) {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
wr, err := h.Update(url)
|
||
|
|
if err != nil {
|
||
|
|
return nil, errors.WithStack(err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return wr, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil, errors.Wrapf(ErrHandlerNotFound, "could not find matching handler for url '%s'", url.String())
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewUpdater(handlers ...UpdaterHandler) *Updater {
|
||
|
|
return &Updater{handlers}
|
||
|
|
}
|