public void GetDocuments(QuerySnapshotHandler handler)
{
_collectionReference.Get().AddOnCompleteListener(new OnCompleteHandlerListener((task) =>
{
var snapshot = !task.IsSuccessful ? null : task.Result.JavaCast <QuerySnapshot>();
handler?.Invoke(snapshot == null ? null : new QuerySnapshotWrapper(snapshot),
task.IsSuccessful ? null : ExceptionMapper.Map(task.Exception));
}));
}
public override void OnViewCreated(View view, Bundle savedInstanceState)
{
base.OnViewCreated(view, savedInstanceState);
// Assigns the control objects to their XAML counterparts
orderQuantity = 1;
quantity = view.FindViewById <TextView>(Resource.Id.orderQuantity);
itemInfo = view.FindViewById <TextView>(Resource.Id.description);
itemPrice = view.FindViewById <TextView>(Resource.Id.price);
foodChoice = view.FindViewById <Spinner>(Resource.Id.allItems);
rootView = view.FindViewById <LinearLayout>(Resource.Id.rootView);
increaseQuantity = view.FindViewById <Button>(Resource.Id.quantityIncrease);
decreaseQuantity = view.FindViewById <Button>(Resource.Id.quantityDecrease);
addToCart = view.FindViewById <Button>(Resource.Id.add_to_cart);
db = FirebaseFirestore.GetInstance(FirestoreUtils.App);
// Setting up event listeners
foodChoice.ItemSelected += FoodChoice_ItemSelected;
increaseQuantity.Click += IncreaseQuantity_Click;
decreaseQuantity.Click += DecreaseQuantity_Click;
addToCart.Click += AddToCart_Click;
CollectionReference cr = db.Collection("Items");
cr.Get().AddOnSuccessListener(this);
}
public async Task Can_Update_Item()
{
try
{
ICollectionRef <WrapperModel> reference = new CollectionReference <WrapperModel>(litedbloc, "update_collection");
using (WrapperModel _model = DataProvider.GetModel())
{
reference.Insert(_model);
await reference.Commit();
using WrapperModel _inserted = reference.Get(_model._ID);
_inserted.Word = DataProvider.Word();
_inserted.Number = DataProvider.Number();
reference.Update(_inserted);
await reference.Commit();
using WrapperModel _updated = reference.Get(_inserted._ID);
VerifyAssertModels(_inserted, _updated);
}
reference.Drop();
}
catch (Exception ex)
{ Assert.Null(ex); }
}
public async Task Can_Remove_Item()
{
try
{
ICollectionRef <WrapperModel> reference = new CollectionReference <WrapperModel>(litedbloc, "delete_collection");
using WrapperModel _model = DataProvider.GetModel();
reference.Insert(_model);
await reference.Commit();
reference.Remove(_model._ID);
await reference.Commit();
using WrapperModel _deletedModel = reference.Get(_model._ID);
Assert.Null(_deletedModel);
reference.Drop();
}
catch (Exception ex)
{ Assert.Null(ex); }
}
public static Task <IEnumerable <T> > GetCollectionAsync <T>(this CollectionReference reference) where T : class
{
var tcs = new TaskCompletionSource <IEnumerable <T> >();
reference
.Get()
.AddOnCompleteListener(new OnCompleteEventHandleListener((Android.Gms.Tasks.Task obj) =>
{
if (obj.IsSuccessful)
{
var res = obj.GetResult(Class.FromType(typeof(QuerySnapshot))).JavaCast <QuerySnapshot>();
tcs.SetResult(res.Documents.Select((doc) => Cast <T>(doc)).ToList());
}
else
{
tcs.SetException(obj.Exception);
}
}));
return(tcs.Task);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.order_activity);
foodItemName = FindViewById <TextView>(Resource.Id.food_title);
foodItemName.Text = Intent.GetStringExtra("Food_Item");
itemInfo = FindViewById <TextView>(Resource.Id.description);
itemPrice = FindViewById <TextView>(Resource.Id.price);
foodChoice = FindViewById <Spinner>(Resource.Id.allItems);
rootView = FindViewById <LinearLayout>(Resource.Id.rootView);
addToCart = FindViewById <Button>(Resource.Id.add_to_cart);
db = FirebaseFirestore.GetInstance(FirestoreUtils.App);
foodChoice.ItemSelected += FoodChoice_ItemSelected;
addToCart.Click += AddToCart_Click;
CollectionReference cr = db.Collection("Items");
cr.Get().AddOnSuccessListener(this);
}
public async Task <IQuerySnapshot <T> > GetDocumentsAsync <T>(Source source = Source.Default)
{
return(new QuerySnapshotWrapper <T>(await _wrapped.Get(source.ToNative()).AsAsync <QuerySnapshot>()));
}
