protected override async void OnAppearing()
{
base.OnAppearing();
database = Data.MemberDatabase.Create(databasePath);
try
{
data = await database.GetMemberItemsAsync();
listView.ItemsSource = data;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
async void UpdateButton_PressedAsync(object sender, EventArgs e)
{
try
{
UpdateButton.IsVisible = false;
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
errorLabel.Text = "Trying to connect to server...";
errorLabel.IsVisible = true;
List <Models.Member> Members = await memberManager.GetMembersAsync();
List <Models.Contact> Contacts = await memberManager.GetContactsAsync();
if (Members != null || Contacts != null)
{
errorLabel.Text = "Getting Data...";
var membersToDelete = await database.GetMemberItemsAsync();
database.DeleteMemberItems(membersToDelete);
var contactsToDelete = await database.GetContactItemsAsync();
database.DeleteContactItems(contactsToDelete);
var MyProgressBar = new ProgressBar();
MyProgressBar.WidthRequest = 150;
MyProgressBar.Progress = 0.0;
this.child2.Children.Add(MyProgressBar);
double progress = 0.0;
int count = 0;
int progressCount = Members.Count;
errorLabel.Text = "Saving Members to Database...";
foreach (var item in Members)
{
ModelsLinq.MemberSQLite modelToAdd = new ModelsLinq.MemberSQLite();
modelToAdd.MemberId = item.MemberId;
modelToAdd.Surname = item.Surname;
modelToAdd.FirstName = item.FirstName;
modelToAdd.DateOfBirth = item.DateOfBirth;
modelToAdd.Sex = item.Sex;
modelToAdd.Aboriginal = item.Aboriginal;
modelToAdd.StreetAddress = item.StreetAddress;
modelToAdd.PostCode = item.PostCode;
modelToAdd.Suburb = item.Suburb;
modelToAdd.State = item.State;
modelToAdd.Country = item.Country;
modelToAdd.TelephoneNumber = item.TelephoneNumber;
modelToAdd.MobileNumber = item.MobileNumber;
modelToAdd.EmailAddress = item.EmailAddress;
modelToAdd.DateAltered = item.DateAltered;
modelToAdd.PictureGUID = item.PictureGUID;
await database.SaveMemberItemAsync(modelToAdd);
count++;
progress = (double)(decimal.Divide(count, progressCount));
await MyProgressBar.ProgressTo(progress, 1, Easing.Linear);
}
count = 0;
progressCount = Contacts.Count;
errorLabel.Text = "Saving Contacts to Database...";
foreach (var item in Contacts)
{
ModelsLinq.ContactSQLite contactToAdd = new ModelsLinq.ContactSQLite();
contactToAdd.ContactId = item.ContactId;
contactToAdd.MemberId = item.MemberId;
contactToAdd.ContactType = item.ContactType;
contactToAdd.ContactName = item.ContactName;
contactToAdd.ContactAddress = item.ContactAddress;
contactToAdd.ContactPhone = item.ContactPhone;
await database.SaveContactItemAsync(contactToAdd);
count++;
progress = (double)(decimal.Divide(count, progressCount));
await MyProgressBar.ProgressTo(progress, 1, Easing.Linear);
}
activityIndicator.IsRunning = false;
errorLabel.Text = "Finished Updating...";
}
else
{
activityIndicator.IsRunning = false;
activityIndicator.IsVisible = false;
errorLabel.Text = "Error connecting to server...";
UpdateButton.IsVisible = true;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}