public static async Task ExportRecipeBoxAsync(RecipeBox rb = null, RecentRecipeBox rrb = null)
{
if (rb == null && rrb == null)
{
return;
}
string fileContents = JsonConvert.SerializeObject(rb);
var savePicker = new Windows.Storage.Pickers.FileSavePicker();
savePicker.SuggestedStartLocation =
Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary;
// Dropdown of file types the user can save the file as
savePicker.FileTypeChoices.Add("Plain Text", new List <string>()
{
".rcpbx"
});
// Default file name if the user does not type one in or select a file to replace
savePicker.SuggestedFileName = "NewRecipeBox";
StorageFile newFile = await savePicker.PickSaveFileAsync();
await FileIO.WriteTextAsync(newFile, fileContents);
}
public static async Task <List <RecentRecipeBox> > ListKnownRecipeBoxes()
{
List <RecentRecipeBox> recentRecipeBoxes = new List <RecentRecipeBox>();
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
foreach (Windows.Storage.AccessCache.AccessListEntry entry in mru.Entries)
{
string mruToken = entry.Token;
string mruMetadata = entry.Metadata;
//Windows.Storage.IStorageItem item = await mru.GetItemAsync(mruToken);
RecentRecipeBox rrb = JsonConvert.DeserializeObject <RecentRecipeBox>(mruMetadata);
rrb.Token = mruToken;
recentRecipeBoxes.Add(rrb);
}
return(recentRecipeBoxes);
}
public static async Task <RecentRecipeBox> OpenRecipeBoxFromFileAsync(RecentRecipeBox rrb = null, bool needToRecordAccess = false)
{
// TODO: this needs to be revised to utilize MRU and metadata storage
string token = rrb?.Token;
StorageFile file = null;
RecipeBox rb;
if (rrb == null || string.IsNullOrEmpty(token))
{
FileOpenPicker picker = new FileOpenPicker();
picker.FileTypeFilter.Add(".rcpbx");
file = await picker.PickSingleFileAsync();
needToRecordAccess = true;
}
else
{
file = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(token);
}
try
{
string contents = await FileIO.ReadTextAsync(file);
rb = JsonConvert.DeserializeObject <RecipeBox>(contents);
rb.ConnectParentsToChildren();
//__store an instance of the rb if it doesn't already exist
BootStrapper.Current.SessionState[rb.Name] = rb;
}
catch (Exception e)
{
Console.WriteLine(e);
return(null);
//__show the user error notice
}
if (needToRecordAccess)
{
rrb = await RecordRecentRecipeBoxAsync(rb, file);
}
return(rrb);
}
public static async Task <RecentRecipeBox> RecordRecentRecipeBoxAsync(RecipeBox rb, StorageFile file)
{
RecentRecipeBox rrb = await CreateRecentRecipeBoxAsync(rb);
rb.LastPath = file.Path;
string metaData = JsonConvert.SerializeObject(rb);
if (file != null)
{
// Add to FA without metadata
//string faToken = StorageApplicationPermissions.FutureAccessList.Add(file);
string mruToken = StorageApplicationPermissions.MostRecentlyUsedList.Add(file, metaData);
rrb.Token = mruToken;
rb.AccessToken = mruToken;
//_settings.AccessTokens.Add(faToken);
}
return(rrb);
}
