func FromStorage(storage gostorages.Storage, filepath string) (*ImageFile, error) {
var file *ImageFile
var err error
f, err := storage.Open(filepath)
if err != nil {
return nil, err
}
defer f.Close()
if err != nil {
return nil, err
}
modifiedTime, err := storage.ModifiedTime(filepath)
if err != nil {
return nil, err
}
file = &ImageFile{
Filepath: filepath,
Storage: storage,
}
contentType := file.ContentType()
headers := map[string]string{
"Last-Modified": modifiedTime.Format(gostorages.LastModifiedFormat),
"Content-Type": contentType,
}
buf, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
file.Source = buf
file.Headers = headers
return file, err
}
