/// <summary>
/// We do not currently have a storage in DB. Create new and copy file to new storage!
/// </summary>
/// <param name="fileStorageData"></param>
/// <param name="sourceHash"></param>
/// <returns></returns>
public Storage CreateNewStorageForFile(RequestFileStorageData fileStorageData, string sourceHash = null)
{
if (sourceHash.IsNullOrWhiteSpace())
{
sourceHash = StorageHelperService.CalculateFileMD5(fileStorageData.FilePath);
}
string stoFolder = UserSettingsService.StorageFolder;
string stoFileName = StorageHelperService.GetUniqueStoName(fileStorageData.FilePath);
string stoPath = Path.Combine(stoFolder, stoFileName);
CopyFileToStorage(fileStorageData.FilePath, stoFileName);
var volume = new Volume
{
Id = Id.NewId(),
CreatedDate = DateTime.Now,
Title = Path.GetFileNameWithoutExtension(fileStorageData.FilePath),
};
var storage = new Storage
{
Id = Id.NewId(),
Hash = sourceHash,
FilePath = fileStorageData.FilePath,
FileName = Path.GetFileName(fileStorageData.FilePath),
StorageName = stoFileName,
VolumeId = volume.Id,
Date = DateTime.Now,
};
m_DBService.InsertOrUpdate(volume);
m_DBService.InsertOrUpdate(storage);
return(storage);
}
// The meat, entry point from interop
// Called when Sumatra opens a file
public ResultFileStorageData GetStorage(RequestFileStorageData fileStorageData)
{
string srcPath = fileStorageData.FilePath;
if (!File.Exists(srcPath))
{
return new ResultFileStorageData
{
Cancel = true,
StorageFilePath = "",
}
}
;
string srcHash = StorageHelperService.CalculateFileMD5(srcPath);
// Do we even exist in db?
Storage storage = m_StorageRepo.GetStorageByHash(srcHash);
if (storage == null)
{
storage = CreateNewStorageForFile(fileStorageData, srcHash);
}
// Has source file been moved / renamed?
else if (storage.FilePath != srcPath || storage.FileName != Path.GetFileName(srcPath))
{
StorageHelperService.DeleteOldStorageFiles(Path.Combine(UserSettingsService.StorageFolder, storage.StorageName));
storage.FilePath = srcPath;
storage.FileName = Path.GetFileName(srcPath);
storage.StorageName = StorageHelperService.GetUniqueStoName(fileStorageData.FilePath);
m_DBService.InsertOrUpdate(storage);
}
VM.CurrentStorage = storage;
string storagePath = Path.Combine(UserSettingsService.StorageFolder, storage.StorageName);
// Hmm storage file has been removed (this is not bad) - just recreate it.
if (!File.Exists(storagePath))
{
m_VolumeService.LoadVolume(storage.VolumeId);
m_VolumeService.LoadCitations();
if (m_VolumeService.Citations.Any())
{
PdfService.RecreateTheWholeThing(VM, m_VolumeService);
}
else
{
CopyFileToStorage(storage.FilePath, storage.StorageName);
}
}
// Save for posterity.
var history = new History
{
Hash = srcHash,
OpenDate = DateTime.Now,
VolumeId = storage.VolumeId,
StorageId = storage.Id,
};
m_DBService.InsertOrUpdate(history);
var res = new ResultFileStorageData
{
StorageFilePath = storagePath,
Cancel = false,
};
return(res);
}
