// getTimestampHandler returns a timestamp.json given a GUN
func getSnapshot(ctx context.Context, w http.ResponseWriter, logger ctxu.Logger, store storage.MetaStore, gun string) error {
cryptoServiceVal := ctx.Value("cryptoService")
cryptoService, ok := cryptoServiceVal.(signed.CryptoService)
if !ok {
return errors.ErrNoCryptoService.WithDetail(nil)
}
out, err := snapshot.GetOrCreateSnapshot(gun, store, cryptoService)
if err != nil {
switch err.(type) {
case *storage.ErrNoKey, storage.ErrNotFound:
logger.Error("404 GET snapshot")
return errors.ErrMetadataNotFound.WithDetail(nil)
default:
logger.Error("500 GET snapshot")
return errors.ErrUnknown.WithDetail(err)
}
}
logger.Debug("200 GET snapshot")
w.Write(out)
return nil
}
