private static async Task <T> LoadSettingsAsync <T>(string fileName, bool usePublisherFolder, Func <T> defaultValue = null)
{
StorageFolder baseFolder = usePublisherFolder ? BaseSharedFolder : LocalFolder;
var sets = (StorageFile)await baseFolder.TryGetItemAsync(fileName);
if (sets == null && usePublisherFolder)
{
sets = (StorageFile)await LocalFolder.TryGetItemAsync(fileName);
// Moving the file back to the publisher folder (as we wanted to use it)
if (sets != null)
{
sets = await sets.CopyAsync(baseFolder);
}
}
if (sets != null)
{
try
{
var data = await FileIO.ReadTextAsync(sets);
return(JsonConvert.DeserializeObject <T>(data));
}
catch (Exception e)
{
await sets.CopyAsync(baseFolder, fileName + ".bk", NameCollisionOption.ReplaceExisting);
throw e;
}
}
return(defaultValue != null?defaultValue() : Activator.CreateInstance <T>());
}
/*Recipe Save*/
private async void SaveRecipe_Click(object sender, RoutedEventArgs e)
{ //Save file, prompt for overwrite if it already exists
try
{
StorageFile file;
if (await LocalFolder.TryGetItemAsync(CurrentFilename) is StorageFile alreadyExists)
{
if (!await ShowConfirmation($"Are you sure you want to overwrite \"{CurrentFilename}\"?"))
{
return;
}
file = alreadyExists;
}
else
{
file = await LocalFolder.CreateFileAsync(CurrentFilename);
RecipeFiles.Add(CurrentFilename.Remove(CurrentFilename.Length - RecipeFilenameExtension.Length));
}
using (var stream = await file.OpenStreamForWriteAsync())
RecipeSerializer.Serialize(stream, Recipe);
}
catch (Exception x)
{
await ShowError(x.Message);
}
}