private async void CreateeventButton_Clicked(object sender, EventArgs e)
{
DatabaseFunctions dbf = new DatabaseFunctions();
indicator.IsRunning = true;
whoattended = new Whoattended();
string fnev = "";
try { fnev = DependencyService.Get <ISaveAndLoad>().LoadText("login.txt"); }catch (Exception) { }
whoattended.profile = fnev;
events.when = date.ToString("yyyy.MM.dd") + " " + hour;
events.eventId = events.when + "_" + whoattended.profile + "_" + events.eventName;
whoattended.eventId = events.eventId;
if (!CrossConnectivity.Current.IsConnected)
{
indicator.IsRunning = false;
await DisplayAlert("Warning", "Please, check your internet settings!", "OK");
}
else if (events.where == null || hour == null || events.department == null || events.eventName == null ||
events.university == null)
{
indicator.IsRunning = false;
await DisplayAlert("Warning", "You have to fill in all of the fields!", "OK");
}
else
{
var successStoreEvent = await dbf.putEvent(events);
var successStoreWhoattended = await dbf.putWhoattended(whoattended);
if (successStoreEvent == "successfull" && successStoreWhoattended)
{
await DisplayAlert("Successful", "You have created the group!", "OK");
indicator.IsRunning = false;
}
else if (successStoreEvent == "dateproblem")
{
indicator.IsRunning = false;
await DisplayAlert("Warning", "You have to change the date!", "OK");
}
else
{
indicator.IsRunning = false;
await DisplayAlert("Warning", "Something went wrong, please check back later!", "OK");
}
}
}
public async Task <bool> deleteWhoattended(Whoattended whoattend)
{
try
{
await MobileService.GetTable <Whoattended>().DeleteAsync(whoattend);
return(true);
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
return(false);
}
}
private async void setEventJson(string userId)
{
if (!CrossConnectivity.Current.IsConnected)
{
await DisplayAlert("Warning", "Please, check your internet settings!", "OK");
}
else
{
Device.BeginInvokeOnMainThread(async() =>
{
await DisplayAlert("Info", "Please wait while loading!", "OK");
});
DatabaseFunctions dbf = new DatabaseFunctions();
eventsJson = await dbf.getEvents();
listofevents = eventsJson;
whoattendedJson = await dbf.getWhoattended();
whoevents = whoattendedJson;
if (listEvents(listofevents, whoevents).Count == 0)
{
checkLabel = new Label()
{
Text = "Youd didn't attend to any groups.",
FontSize = 15,
TextColor = Color.White
};
}
else
{
checkLabel = new Label()
{
Text = "",
FontSize = 15,
TextColor = Color.White
};
}
var personDataTemplate = new DataTemplate(() =>
{
var grid = new Grid();
var nameLabel = new Label {
TextColor = Color.White, FontAttributes = FontAttributes.Bold
};
var whereLabel = new Label()
{
TextColor = Color.White,
};
var whenLabel = new Label {
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Start
};
var uniLabel = new Label()
{
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Start
};
var depLabel = new Label {
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Start
};
nameLabel.SetBinding(Label.TextProperty, "eventName");
whereLabel.SetBinding(Label.TextProperty, "where");
whenLabel.SetBinding(Label.TextProperty, "when");
uniLabel.SetBinding(Label.TextProperty, "university");
depLabel.SetBinding(Label.TextProperty, "department");
grid.Children.Add(nameLabel, 0, 0);
grid.Children.Add(whereLabel, 1, 0);
grid.Children.Add(whenLabel, 2, 0);
grid.Children.Add(uniLabel, 0, 1);
grid.Children.Add(depLabel, 1, 1);
viewCell = new ViewCell
{
View = grid,
};
var spectateAction = new MenuItem {
Text = "Members", IsDestructive = false
};
spectateAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
spectateAction.Clicked += async(sender, e) =>
{
var mi = ((MenuItem)sender);
Events bindingEvent = (Events)mi.BindingContext;
await Navigation.PushAsync(new JoinedMembersPage(bindingEvent.eventId, whoevents));
};
var deleteAction = new MenuItem {
Text = "Delete", IsDestructive = true
};
deleteAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
deleteAction.Clicked += async(sender, e) =>
{
var mi = ((MenuItem)sender);
Events bindingEvent = (Events)mi.BindingContext;
Whoattended deleted = new Whoattended();
deleted.eventId = bindingEvent.eventId;
deleted.profile = user;
whoattendedJson = await dbf.getWhoattended();
foreach (var item in whoattendedJson)
{
if (item.eventId == bindingEvent.eventId && item.profile == user)
{
deleted.id = item.id;
break;
}
}
var check = await dbf.deleteWhoattended(deleted);
if (check)
{
await DisplayAlert("Successful", "You have unsubscribe from the event!", "OK");
}
else
{
await DisplayAlert("Warning", "Something went wrong, please check back later!", "OK");
}
whoattendedJson = await dbf.getWhoattended();
ObservableCollection <Whoattended> whoevents2 = whoattendedJson;
lw.ItemsSource = listEvents(listofevents, whoevents2);
};
viewCell.ContextActions.Add(deleteAction);
viewCell.ContextActions.Add(spectateAction);
return(viewCell);
});
lw = new ListView()
{
IsPullToRefreshEnabled = true,
ItemsSource = listEvents(listofevents, whoevents),
ItemTemplate = personDataTemplate,
BackgroundColor = Color.Transparent
};
Content = new ScrollView
{
Content = new StackLayout()
{
Children = { checkLabel, lw }
}
};
lw.Refreshing += Lw_Refreshing;
}
}
private async void setEventJson(string userId)
{
DatabaseFunctions dbf = new DatabaseFunctions();
eventsJson = await dbf.getEvents();
listofevents = eventsJson;
filterSearchBar = new SearchBar()
{
SearchCommand = new Command(() => { setTheListView(filterSearchBar.Text, eventsJson); })
};
if (eventsJson.Count == 0)
{
await DisplayAlert("Info", "There are not any group yet.", "OK");
}
var personDataTemplate = new DataTemplate(() =>
{
var grid = new Grid();
var nameLabel = new Label {
TextColor = Color.White, FontAttributes = FontAttributes.Bold
};
var whereLabel = new Label()
{
TextColor = Color.White,
};
var whenLabel = new Label {
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Center
};
var uniLabel = new Label()
{
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Start
};
var depLabel = new Label {
TextColor = Color.White, HorizontalTextAlignment = TextAlignment.Start
};
nameLabel.SetBinding(Label.TextProperty, "eventName");
whereLabel.SetBinding(Label.TextProperty, "where");
whenLabel.SetBinding(Label.TextProperty, "when");
uniLabel.SetBinding(Label.TextProperty, "university");
depLabel.SetBinding(Label.TextProperty, "department");
grid.Children.Add(nameLabel, 0, 0);
grid.Children.Add(whereLabel, 1, 0);
grid.Children.Add(whenLabel, 2, 0);
grid.Children.Add(uniLabel, 0, 1);
grid.Children.Add(depLabel, 1, 1);
viewCell = new ViewCell
{
View = grid,
};
var joinAction = new MenuItem {
Text = "Join"
};
joinAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
joinAction.Clicked += async(sender, e) =>
{
var mi = ((MenuItem)sender);
Events bindingEvent = (Events)mi.BindingContext;
Whoattended whoclass = new Whoattended();
whoclass.eventId = bindingEvent.eventId;
whoclass.profile = userId;
ObservableCollection <Whoattended> whoatt = await dbf.getWhoattended();
bool val = true;
foreach (var item in whoatt)
{
if (item.eventId == whoclass.eventId && item.profile == whoclass.profile)
{
val = false;
await DisplayAlert("Warning", "You have already attended to this event!", "OK");
break;
}
}
if (val == true)
{
var successStore = await dbf.putWhoattended(whoclass);
if (successStore)
{
await DisplayAlert("Successful", "You have joined to this event!", "OK");
}
else
{
await DisplayAlert("Warning", "Something went wrong, please check back later!", "OK");
}
}
};
var spectateAction = new MenuItem {
Text = "Members", IsDestructive = false
};
spectateAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
spectateAction.Clicked += async(sender, e) =>
{
var mi = ((MenuItem)sender);
Events bindingEvent = (Events)mi.BindingContext;
ObservableCollection <Whoattended> whoatt = await dbf.getWhoattended();
await Navigation.PushAsync(new JoinedMembersPage(bindingEvent.eventId, whoatt));
};
viewCell.ContextActions.Add(joinAction);
viewCell.ContextActions.Add(spectateAction);
return(viewCell);
});
if (!CrossConnectivity.Current.IsConnected)
{
await DisplayAlert("Warning", "Please, check your internet settings!", "OK");
}
lw = new ListView()
{
IsPullToRefreshEnabled = true,
ItemsSource = eventsJson,
ItemTemplate = personDataTemplate,
BackgroundColor = Color.Transparent
};
lw.Refreshing += Lw_Refreshing;
if (Device.OS == TargetPlatform.Windows || Device.OS == TargetPlatform.WinPhone || Device.OS == TargetPlatform.Other)
{
Button refreshButton = new Button()
{
HorizontalOptions = LayoutOptions.Center,
Text = "Refresh",
BackgroundColor = Color.FromHex("#4E8DB9"),
TextColor = Color.White
};
refreshButton.Clicked += RefreshButton_Clicked;
Content = new ScrollView
{
Content = new StackLayout()
{
Children = { filterSearchBar, refreshButton, lw }
}
};
}
else
{
Content = new StackLayout()
{
Children = { filterSearchBar, lw }
};
}
}
