/// <summary>
/// Get picture (thumb) local path
/// </summary>
/// <param name="thumbFileName">Filename</param>
/// <returns>Local picture thumb path</returns>
protected virtual string GetThumbLocalPath(string thumbFileName)
{
var thumbsDirectoryPath = _fileProvider.GetAbsolutePath(ResearchMediaDefaults.ImageThumbsPath);
if (_mediaSettings.MultipleThumbDirectories)
{
//get the first two letters of the file name
var fileNameWithoutExtension = _fileProvider.GetFileNameWithoutExtension(thumbFileName);
if (fileNameWithoutExtension != null && fileNameWithoutExtension.Length > ResearchMediaDefaults.MultipleThumbDirectoriesLength)
{
var subDirectoryName = fileNameWithoutExtension.Substring(0, ResearchMediaDefaults.MultipleThumbDirectoriesLength);
thumbsDirectoryPath = _fileProvider.GetAbsolutePath(ResearchMediaDefaults.ImageThumbsPath, subDirectoryName);
_fileProvider.CreateDirectory(thumbsDirectoryPath);
}
}
var thumbFilePath = _fileProvider.Combine(thumbsDirectoryPath, thumbFileName);
return(thumbFilePath);
}