public Task<bool> RemoveDocumentFromWalletAsync(Wallet wallet, Document doc)
{
return RunFunctionIfOpenAsyncTB(async delegate
{
bool isOk = false;
if (wallet != null)
{
await wallet.OpenAsync();
isOk = await wallet.RemoveDocumentAsync(doc);
if (wallet.Documents.Count < 1) // if there are no more documents in the wallet, delete the wallet, too
{
var folder = _folder;
if (folder != null)
{
isOk = isOk & await folder.RemoveWalletAsync(wallet).ConfigureAwait(false);
}
else
{
isOk = false;
}
}
}
return isOk;
});
}
private async Task<bool> RemoveWallet2Async(Wallet wallet)
{
if (wallet != null && wallet.ParentId == Id)
{
await DBManager.DeleteFromWalletsAsync(wallet);
await RunInUiThreadAsync(delegate { _wallets.Remove(wallet); }).ConfigureAwait(false);
await wallet.OpenAsync().ConfigureAwait(false);
await wallet.RemoveDocumentsAsync().ConfigureAwait(false);
await wallet.CloseAsync().ConfigureAwait(false);
wallet.Dispose();
return true;
}
return false;
}
public Task<bool> ImportMediaFileIntoNewWalletAsync(StorageFile file)
{
return RunFunctionIfOpenAsyncTB(async delegate
{
if (DBManager != null && file != null)
{
var newWallet = new Wallet(DBManager, Id);
await newWallet.OpenAsync().ConfigureAwait(false); // open the wallet or the following won't run
bool isOk = await newWallet.ImportFileAsync(file).ConfigureAwait(false)
&& await AddWallet2Async(newWallet).ConfigureAwait(false);
if (isOk)
{
return true;
}
else
{
await RemoveWallet2Async(newWallet).ConfigureAwait(false);
}
}
return false;
});
}
private async Task<bool> AddWallet2Async(Wallet wallet)
{
if (wallet != null)
{
if (Wallet.Check(wallet))
{
var dbM = DBManager;
if (dbM != null && await dbM.InsertIntoWalletsAsync(wallet))
{
await RunInUiThreadAsync(delegate { _wallets.Add(wallet); }).ConfigureAwait(false);
await wallet.OpenAsync().ConfigureAwait(false);
return true;
}
}
else
{
Logger.Add_TPL("ERROR in Folder.AddWalletAsync(): new wallet did not stand Wallet.CheckAllowedValues()", Logger.ForegroundLogFilename);
}
}
return false;
}
