private async Task GetCustomerDataAsync()
{
_groups.Clear();
StorageFile customerDataJsonFile =
await
_roamingFolder.CreateFileAsync(string.Format("{0}.json", "Customers"),
CreationCollisionOption.OpenIfExists);
string jsonText = await FileIO.ReadTextAsync(customerDataJsonFile);
if (string.IsNullOrWhiteSpace(jsonText)) return;
JsonArray jsonArray = JsonArray.Parse(jsonText);
var customerGroup = new CustomerDataGroup("Customer Default", "Customers", "Customer SubTitle", "image",
"Customer Description");
Groups.Add(customerGroup);
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
var itemObject = new CustomerDataItem(groupObject["Id"].GetString(),
groupObject["Name"].GetString(),
groupObject["Address"].GetString(),
groupObject["PictureUrl"].GetString(),
(Decimal) groupObject["Balance"].GetNumber());
customerGroup.Items.Add(itemObject);
}
}
private async Task GetCustomerDataAsync()
{
_groups.Clear();
StorageFile customerDataJsonFile =
await
_roamingFolder.CreateFileAsync(string.Format("{0}.json", "Customers"),
CreationCollisionOption.OpenIfExists);
string jsonText = await FileIO.ReadTextAsync(customerDataJsonFile);
if (string.IsNullOrWhiteSpace(jsonText))
{
return;
}
JsonArray jsonArray = JsonArray.Parse(jsonText);
var customerGroup = new CustomerDataGroup("Customer Default", "Customers", "Customer SubTitle", "image",
"Customer Description");
Groups.Add(customerGroup);
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
var itemObject = new CustomerDataItem(groupObject["Id"].GetString(),
groupObject["Name"].GetString(),
groupObject["Address"].GetString(),
groupObject["PictureUrl"].GetString(),
(Decimal)groupObject["Balance"].GetNumber());
customerGroup.Items.Add(itemObject);
}
}
private async void LoadCustomers()
{
try
{
CustomerDataGroup firstGroup = _customerDataGroups.FirstOrDefault();
if (firstGroup == null)
{
firstGroup = new CustomerDataGroup("Customer Default", "Customers", "Customer SubTitle", "image",
"Customer Description");
_customerDataGroups.Add(firstGroup);
}
// TODO: Create an appropriate data model for your problem domain to replace the sample data
ObservableCollection<CustomerDataGroup> customerDataGroups = await CustomerDataSource.GetGroupsAsync();
if (!customerDataGroups.Any()) return;
foreach (CustomerDataItem item in customerDataGroups.First().Items)
{
firstGroup.Items.Add(item);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}