func (command *CheckCommand) checkByRegex(request CheckRequest) (CheckResponse, error) {
extractions := versions.GetBucketFileVersions(command.s3client, request.Source)
response := CheckResponse{}
if len(extractions) == 0 {
return response, nil
}
if request.Version.Path == "" {
lastExtraction := extractions[len(extractions)-1]
version := s3resource.Version{
Path: lastExtraction.Path,
}
response = append(response, version)
} else {
lastVersion, ok := versions.Extract(request.Version.Path, request.Source.Regexp)
if !ok {
return response, fmt.Errorf("version number could not be found in: %s", request.Version.Path)
}
for _, extraction := range extractions {
if extraction.Version.GreaterThan(lastVersion.Version) {
version := s3resource.Version{
Path: extraction.Path,
}
response = append(response, version)
}
}
}
return response, nil
}
func (command *InCommand) pathToDownload(request InRequest) (string, error) {
if request.Version.Path == "" {
extractions := versions.GetBucketFileVersions(command.s3client, request.Source)
if len(extractions) == 0 {
return "", errors.New("no extractions could be found - is your regexp correct?")
}
lastExtraction := extractions[len(extractions)-1]
return lastExtraction.Path, nil
}
return request.Version.Path, nil
}