// altHandlerByID returns the Handler for the searchID. If not found
// or slices have an indifferent length or something is nil it will
// return the DefaultErrorHandler.
func findHandlerByID(so scope.Scope, id int64, idsIdx utils.Int64Slice, handlers []ctxhttp.Handler) ctxhttp.Handler {
if len(idsIdx) != len(handlers) {
return DefaultAlternativeHandler
}
index := idsIdx.Index(id)
if index < 0 {
return DefaultAlternativeHandler
}
prospect := handlers[index]
if nil == prospect {
return DefaultAlternativeHandler
}
if PkgLog.IsInfo() {
PkgLog.Info("geoip.findHandlerByID.found", "scope", so.String(), "id", id, "idsIdx", idsIdx)
}
return prospect
}
