/// <summary>
/// Loads the content needed for the APP
/// </summary>
/// <remarks>
/// Can get the data from an API
/// or the local DataBase, if exists!
/// </remarks>
private async void LoadContent()
{
try
{
Mouse.OverrideCursor = Cursors.Wait;
LoadingBar.Value = 0;
//check if there is internet connection
networkService = new NetworkService();
//TODO true for testing
if (!networkService.CheckNetConnection())
{
LoadFromDB();
LblLoadFrom.Text = $"Data loaded from local DataBase on {DateTime.Now}";
network = false;
}
else
{
await LoadFromAPI();
LblLoadFrom.Text = $"Data loaded from API on {DateTime.Now}";
}
//jumps from current block because there is no data loaded into Countries
//or some save error happened
if (Countries.Count == 0 || Countries.Count < 250)
{
LblLoadFrom.Text = $"Couldn't connect to the API or the Database.";
LblLoadSave.Text = "Error loading...";
ProgressText.Text = "N/A";
return;
}
await CreateAdvancedSearchData();
//when connected to the internet saves/updates data in DB
if (network)
{
await CheckLastUpdate();
}
//adds the items from the list to a the dropdown list, displays the attribute Name from the list
Countries.Add(new Country {
Name = " --Select a Country--"
});
Countries = Countries.OrderBy(x => x.Name).ToList();
CbCountry.ItemsSource = Countries;
CbCountry.DisplayMemberPath = "Name";
CbCountry.Text = " --Select a Country--";
LoadingBar.Value = 100;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n" + ex.StackTrace);
}
finally
{
Mouse.OverrideCursor = null;
saving = false;
//delaying the Data Saved lbl
await Task.Delay(5000);
LblLoadSave.Visibility = Visibility.Hidden;
}
}