async private Task <Boolean> UpdateChild(Child child)
{
Context CurrentContext;
ContextDatabaseAccess contextDB = new ContextDatabaseAccess();
contextDB.InitializeSync();
try
{
CurrentContext = contextDB.GetContextSync();
}
// Can't find definitions for SQLiteNetExtensions exceptions, so catch generic Exception e and assume there is no context.
catch (Exception e)
{
CurrentContext = null;
}
if (CurrentContext == null)
{
if (child == null)
{
CurrentContext = new Context(-1, Language.ENGLISH, new Units(DistanceUnits.IN, WeightUnits.OZ));
}
else
{
CurrentContext = new Context(child.GetID(), Language.ENGLISH, new Units(DistanceUnits.IN, WeightUnits.OZ));
}
NotifyPagesOfChildUpdate(child);
contextDB.SaveContextSync(CurrentContext);
contextDB.CloseSyncConnection();
return(true);
}
else
{
if (child == null)
{
CurrentContext.ChildId = -1;
}
else
{
CurrentContext.ChildId = child.GetID();
}
NotifyPagesOfChildUpdate(child);
contextDB.SaveContextSync(CurrentContext);
contextDB.CloseSyncConnection();
return(true);
}
}
async void AddChildButton_Clicked(object sender, EventArgs e)
{
string nameEntered = nameEntry.Text;
DateTime birthdayEntered = birthdayEntry.Date;
Gender genderSelected = newChildGender;
Boolean missingInfo = false;
int index = SexEntry.SelectedIndex;
string sex;
if (nameEntered == null || nameEntered == "")
{
await DisplayAlert("Failed", "Please Enter your child's Name", "OK");
missingInfo = true;
}
else if (birthdayEntered == null)
{
await DisplayAlert("Failed", "Please Enter your child's birthday.", "OK");
missingInfo = true;
}
else if (SexEntry.SelectedIndex == -1)
{
await DisplayAlert("Failed", "Please Enter your child's sex.", "OK");
missingInfo = true;
}
if (missingInfo)
{
return;
}
else
{
sex = (string)SexEntry.ItemsSource[index];
if (sex == "Male")
{
newChildGender = Gender.MALE;
}
else
{
newChildGender = Gender.FEMALE;
}
ChildDatabaseAccess childDatabase = new ChildDatabaseAccess();
childDatabase.InitializeSync();
Child newChild = new Child(nameEntered, birthdayEntered, newChildGender);
childDatabase.SaveUserChildSync(newChild);
childDatabase.CloseSyncConnection();
ContextDatabaseAccess contextDB = new ContextDatabaseAccess();
contextDB.InitializeSync();
Context context = contextDB.GetContextSync();
context.ChildId = newChild.ID;
contextDB.SaveContextSync(context);
contextDB.CloseSyncConnection();
}
await Navigation.PopModalAsync();
}
