public async Task <Stream> GetDocumentVersionAsync(DocumentVersionEntity verEntity)
{
var stor = _config.Stors.First(s => s.ShortName == verEntity.StorName).GetStorFromConfig();
var fileName = verEntity.GetServerFileName();
var stream = await stor.GetFileAsync(fileName);
return(stream);
}
public async Task MoveDocumentVersion(DocumentVersionEntity verEntity, string newStorProvider)
{
try
{
IStor origStor = _config.Stors.First(s => s.ShortName == verEntity.StorName).GetStorFromConfig();
IStor newStor = _config.Stors.First(s => s.ShortName == newStorProvider).GetStorFromConfig();
if (String.IsNullOrWhiteSpace(origStor.ShortName))
{
throw new Exception("Unable to find old stor within config");
}
if (String.IsNullOrWhiteSpace(newStor.ShortName))
{
throw new Exception("Unable to find new stor within config");
}
var fileName = verEntity.GetServerFileName();
string hash;
using (var origStream = await origStor.GetFileAsync(fileName))
{
await newStor.SetFileAsync(fileName, origStream);
hash = await newStor.GetFileHashAsync(fileName);
if (hash != verEntity.MD5Hash)
{
await newStor.RemoveFileAsync(fileName);
throw new Exception("File transfer failed MD5 hash is not equal");
}
}
await origStor.RemoveFileAsync(fileName);
}
catch (Exception ex)
{
throw new Exception("Unable to move document see inner exception", ex);
}
}
public async Task DeleteDocumentVersionAsync(DocumentVersionEntity verEntity)
{
IStor stor = _config.Stors.First(s => s.ShortName == verEntity.StorName).GetStorFromConfig();
var fileName = verEntity.GetServerFileName();
await stor.RemoveFileAsync(fileName);
}