private async Task HomePageAppears()
{
var Mainapp = Application.Current as App;
var messages = await advertViewModel.GetMessages();
var myMessages = await advertViewModel.GetMyMessages();
foreach (var item in messages)
{
if (!Messages.Any((arg) => arg.Id == item.Id))
{
if ((item.Receiver.ToString() == Mainapp.Email))
{
if (item.Sender.ToString() == SenderName.Text && item.SpecialBookName.ToString() == BookName.Text)
{
item.Location = "0";
Messages.Add(item);
}
}
}
}
foreach (var item in myMessages)
{
if (!Messages.Any((arg) => arg.Id == item.Id))
{
if ((item.Sender.ToString() == Mainapp.Email))
{
if (item.Receiver.ToString() == SenderName.Text && item.SpecialBookName.ToString() == BookName.Text)
{
item.Location = "1";
Messages.Add(item);
}
}
}
}
listview1.ItemsSource = Messages.OrderBy(i => i.Date);
}
public HomePage()
{
InitializeComponent();
var myadverts_tap = new TapGestureRecognizer();
myadverts_tap.Tapped += async(s, e) =>
{
await Navigation.PushAsync(new MyAdverts());;
};
myAdverts.GestureRecognizers.Add(myadverts_tap);
Messages = new ObservableCollection <Message>();
DonationAdverts = new ObservableCollection <Advert>();
ExchangeAdverts = new ObservableCollection <Advert>();
BindingContext = advertViewModel;
var Categories = new List <Category>
{
new Category {
CategoryName = "TYT AYT", CategoryImage = "Tyt.png"
},
new Category {
CategoryName = "LGS", CategoryImage = "Lgs.jpg"
},
new Category {
CategoryName = "YDS TOEFL", CategoryImage = "Toefl.jpg"
},
new Category {
CategoryName = "Academic Book", CategoryImage = "Academic.png"
},
new Category {
CategoryName = "Children's Book", CategoryImage = "Children.png"
},
new Category {
CategoryName = "Novel", CategoryImage = "Novel.jpg"
},
new Category {
CategoryName = "Poem", CategoryImage = "Poem.png"
},
new Category {
CategoryName = "Comic Book", CategoryImage = "comicbook.jpg"
},
new Category {
CategoryName = "Others", CategoryImage = "Others.png"
}
};
CategoryListView.ItemsSource = Categories;
DonationsListView.ItemsSource = DonationAdverts;
ExchangesListView.ItemsSource = ExchangeAdverts;
MessageListView.ItemsSource = Messages;
OnAppearing();
DonationsListView.RefreshCommand = new Command(async() =>
{
DonationsListView.RefreshControlColor = Color.FromHex("#1B9101");
DonationsListView.IsRefreshing = true;
var donationAdverts = await advertViewModel.GetDonationAdverts();
foreach (var item in donationAdverts)
{
if (!DonationAdverts.Any((arg) => arg.AdvertID == item.AdvertID))
{
DonationAdverts.Add(item);
}
}
DonationsListView.ItemsSource = DonationAdverts;
DonationsListView.IsRefreshing = false;
});
ExchangesListView.RefreshCommand = new Command(async() =>
{
ExchangesListView.RefreshControlColor = Color.FromHex("#00B5B9");
ExchangesListView.IsRefreshing = true;
var exchangeAdverts = await advertViewModel.GetExchangeAdverts();
foreach (var item in exchangeAdverts)
{
if (!ExchangeAdverts.Any((arg) => arg.AdvertID == item.AdvertID))
{
ExchangeAdverts.Add(item);
}
}
ExchangesListView.ItemsSource = ExchangeAdverts;
ExchangesListView.IsRefreshing = false;
});
ExchangesListView.RefreshCommand = new Command(async() =>
{
var Mainapp = Application.Current as App;
var messages = await advertViewModel.GetMessages();
messages.Reverse();
foreach (var item in messages)
{
if (!Messages.Any((arg) => arg.Id == item.Id))
{
if (!Messages.Any((arg) => item.Sender == arg.Sender && item.SpecialBookName == arg.SpecialBookName))
{
if ((item.Receiver.ToString() == Mainapp.Email))
{
Messages.Add(item);
}
}
}
}
});
}
