//Publish an Activity
async void PublishActivity(object sender, EventArgs e)
{
//check for InternetConnection before calling the webserver
if (!Lbl_NoInternet.IsVisible)
{
CreateActivityViewModel activity = new CreateActivityViewModel
{
ActivityName = Entry_ActivityTitle.Text,
Category = Picker_Category.SelectedItem.ToString(),
ShortDescription = Edit_Description.Text,
NoPlaces = int.Parse(Entry_Guests.Text),
Where = Entry_Location.Text,
When = Picker_Date.Date
};
if (Helper.CheckNullInformation(activity))
{
string result = null;;
try
{
//Create Activity API call
result = await App.RestService.CreateActivityAsync(activity);
}
catch (NullReferenceException)
{
result = null;
}
catch (TaskCanceledException)
{
result = null;
await DisplayAlert("Add activity", "Not able to reach server in time.", "Ok");
}
//if the activity was created
if (result != null)
{
//TODO: get the actual activity from local db
ActivityView a = await Helper.GetActivityById(result);
//go to activity page
var page = new ActivityPage(a);
if (Device.RuntimePlatform == Device.Android)
{
Application.Current.MainPage = new Dashboard(page);
}
else if (Device.RuntimePlatform == Device.iOS)
{
await Navigation.PushModalAsync(new Dashboard(page));
}
}
}
else
{
await DisplayAlert("Add Activity", "Please fill in all the fields.", "Ok");
}
}
else
{
await DisplayAlert("Add Activity", "No internet. Cannot reach the server. Please connect to a network.", "Ok");
}
}