public static async Task <Account> CreateAccount(string nickname)
{
CurrentAccount = RankCollection
.Where(e => string.Equals(e.Nickname, nickname,
StringComparison.CurrentCultureIgnoreCase))
.ToList()
.FirstOrDefault()
?? new Account(nickname);
RankCollection.Add(CurrentAccount);
RankCollection.Sort(true);
await SerializeNow();
return(CurrentAccount);
}
public static async Task SerializeNow()
{
string output = JsonConvert.SerializeObject(RankCollection.ToArray(), Formatting.Indented);
await Task.Run(async() =>
{
StorageFolder storageFolder =
ApplicationData.Current.LocalFolder;
StorageFile storageFile =
await storageFolder.CreateFileAsync("accounts.json",
CreationCollisionOption.ReplaceExisting);
//Write data to the file
await FileIO.WriteTextAsync(storageFile, output);
});
}
public static async Task <bool> DeSerializeNow()
{
StorageFolder storageFolder =
ApplicationData.Current.LocalFolder;
StorageFile storageFile =
await storageFolder.GetFileAsync("accounts.json");
if (storageFile == null)
{
return(false);
}
string rankListJson = await FileIO.ReadTextAsync(storageFile);
if (rankListJson == null)
{
return(false);
}
var accounts = JsonConvert.DeserializeObject <Account[]>(rankListJson);
RankCollection = new RankCollection(accounts.ToList());
return(RankCollection != null);
}
// constructor
static Account()
{
RankCollection = new RankCollection();
CurrentAccount = null;
}