Пример #1
0
        public async void RunWatsonService(ScaleItem scaleItem)
        {
            var uri = new Uri(string.Format("http://smartshelf.mybluemix.net/prediction/user/demouser/shelf/{0}/scale/{1}", scaleItem.ShelfId, scaleItem.ScaleId));

            try
            {
                var response = await client.GetAsync(uri);

                if (response.IsSuccessStatusCode)
                {
                    var content = await response.Content.ReadAsStringAsync();

                    var prediction = JsonConvert.DeserializeObject <WatsonNotification>(content);
                    if (prediction.showNotification)
                    {
                        lblPredication.TextColor = Color.Red;
                        lblPredication.Text      = "Product is almost out, click on cart to order more!";
                    }
                    else
                    {
                        lblPredication.TextColor = Color.Blue;
                        lblPredication.Text      = "Product supply is ok.";
                    }
                    var seconds = TimeSpan.FromSeconds(10);

                    Device.StartTimer(seconds, () =>
                    {
                        lblPredication.Text = "";
                        return(false);
                    });
                }
                else
                {
                }
            }

            catch (Exception ex)
            {
                // do nothing
                return;
            }
        }
Пример #2
0
        public ScaleItemContentView(ScaleItem scaleItem)
        {
            try
            {
                client = new HttpClient();
                this.BindingContext = scaleItem;
                this.Item           = scaleItem;
                InitializeComponent();
                double percent = 0;
                if (scaleItem.CurrentWeight > 0 && scaleItem.StartingWeight > 0)
                {
                    percent = 100 * (scaleItem.CurrentWeight / scaleItem.StartingWeight);
                }
                Color pieColor = Color.Green;
                if (percent < 15)
                {
                    pieColor = Color.Red;
                }
                else if (percent < 50)
                {
                    pieColor = Color.Yellow;
                }

                var pie = new Cross.Pie.Forms.CrossPie();
                pie.Title            = string.Empty;
                pie.HeightRequest    = 150;
                pie.WidthRequest     = 150;
                pie.IsPercentVisible = false;
                pie.IsTitleOnTop     = false;
                pie.IsValueVisible   = false;
                pie.StartAngle       = -90;
                pie.Add(new Cross.Pie.Forms.PieItem {
                    Title = string.Empty, Value = scaleItem.CurrentWeight, Color = pieColor
                });
                pie.Add(new Cross.Pie.Forms.PieItem {
                    Title = string.Empty, Value = (scaleItem.StartingWeight - scaleItem.CurrentWeight), Color = Color.Gray
                });
                pie.Update();

                pieGraphContentView.Content = pie;

                var infoImage = new Image();
                infoImage.Source = "info_circle_18_36.png";
                var tapGestureRecognizer1 = new TapGestureRecognizer();
                tapGestureRecognizer1.Tapped += (s, e) =>
                {
                    startTimer = false;
                    if (cts != null)
                    {
                        cts.Cancel();
                    }
                    var editScalePage = new EditScalePage();
                    editScalePage.ScaleItem = scaleItem;

                    App.MasterDetail.Detail = new NavigationPage(editScalePage);
                };
                infoImage.GestureRecognizers.Add(tapGestureRecognizer1);


                AbsoluteLayout.SetLayoutBounds(infoImage, new Rectangle(1f, 0f, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
                AbsoluteLayout.SetLayoutFlags(infoImage, AbsoluteLayoutFlags.PositionProportional);
                topAbsoluteLayout.Children.Add(infoImage);

                // Watson predictive service
                var watsonImage = new Image();
                watsonImage.Source = "watson_36.png";
                var tapGestureRecognizerWatson = new TapGestureRecognizer();
                tapGestureRecognizerWatson.Tapped += (s, e) =>
                {
                    RunWatsonService(scaleItem);
                };
                watsonImage.GestureRecognizers.Add(tapGestureRecognizerWatson);


                AbsoluteLayout.SetLayoutBounds(watsonImage, new Rectangle(1f, 1f, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
                watsonImage.Margin = new Thickness(0, 0, 105, 5);
                AbsoluteLayout.SetLayoutFlags(watsonImage, AbsoluteLayoutFlags.PositionProportional);
                topAbsoluteLayout.Children.Add(watsonImage);



                var shoppingCartImage = new Image();
                shoppingCartImage.Source = "shopping_cart_plus_36.png";
                var tapGestureRecognizer = new TapGestureRecognizer();
                tapGestureRecognizer.Tapped += (s, e) =>
                {
                    startTimer = false;
                    if (cts != null)
                    {
                        cts.Cancel();
                    }
                    Device.OpenUri(new Uri(scaleItem.url));
                };
                shoppingCartImage.GestureRecognizers.Add(tapGestureRecognizer);
                shoppingCartImage.Margin = new Thickness(0, 0, 5, 5);
                AbsoluteLayout.SetLayoutBounds(shoppingCartImage, new Rectangle(1f, 1f, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
                AbsoluteLayout.SetLayoutFlags(shoppingCartImage, AbsoluteLayoutFlags.PositionProportional);
                topAbsoluteLayout.Children.Add(shoppingCartImage);
                var seconds = TimeSpan.FromSeconds(5);

                Device.StartTimer(seconds, () =>
                {
                    if (startTimer)
                    {
                        cts = new CancellationTokenSource();
                        try
                        {
                            ReloadScale(scaleItem, scaleItem.ShelfId);

                            //lblWeight.Text = lblWeight.Text + ".";
                            // call your method to check for notifications here
                            //LoadScales();
                            // Returning true means you want to repeat this timer
                            cts = null;
                            return(true);
                        }
                        catch (Exception ex)
                        {
                            return(true);
                        }
                    }
                    else
                    {
                        return(false);
                    }
                });
            }
            catch (Exception ex)
            {
                //do nothing
            }
        }
Пример #3
0
        public async void ReloadScale(ScaleItem scaleItem, string shelfID)
        {
            var uri = new Uri(string.Format("http://smartshelf.mybluemix.net/main/shelf/{0}", shelfID));

            try
            {
                var response = await client.GetAsync(uri);

                if (response.IsSuccessStatusCode)
                {
                    var content = await response.Content.ReadAsStringAsync();

                    var shelf = JsonConvert.DeserializeObject <Shelf>(content);

                    for (int i = 0; i < shelf.scales.Count; i++)
                    {
                        Scale s = shelf.scales[i];
                        if (s.id.ToString() == scaleItem.ScaleId)
                        {
                            this.BindingContext = scaleItem;
                            this.Item           = scaleItem;
                            double tempDouble = 0;
                            double weight1    = 0;

                            if (double.TryParse(s.weight, out tempDouble))
                            {
                                weight1 = tempDouble;
                            }
                            double percent = 0;
                            if (weight1 > 0 && scaleItem.StartingWeight > 0)
                            {
                                percent = 100 * (weight1 / scaleItem.StartingWeight);
                            }
                            Color pieColor = Color.Green;
                            if (percent < 15)
                            {
                                pieColor = Color.Red;
                            }
                            else if (percent < 50)
                            {
                                pieColor = Color.Yellow;
                            }
                            lblWeight.Text = string.Format("Current Weight: {0}g", s.weight);
                            var pie = new Cross.Pie.Forms.CrossPie();
                            pie.Title            = string.Empty;
                            pie.HeightRequest    = 150;
                            pie.WidthRequest     = 150;
                            pie.IsPercentVisible = false;
                            pie.IsTitleOnTop     = false;
                            pie.IsValueVisible   = false;
                            pie.StartAngle       = -90;
                            pie.Add(new Cross.Pie.Forms.PieItem {
                                Title = string.Empty, Value = weight1, Color = pieColor
                            });
                            pie.Add(new Cross.Pie.Forms.PieItem {
                                Title = string.Empty, Value = (scaleItem.StartingWeight - weight1), Color = Color.Gray
                            });
                            pie.Update();

                            pieGraphContentView.Content = pie;
                        }
                    }
                }
            }

            catch (Exception ex)
            {
                // do nothing
                return;
            }
        }
Пример #4
0
        public static async Task <bool> Authenticate(string userName, string password, HttpClient client)
        {
            try
            {
                var uri      = new Uri(string.Format("http://smartshelf.mybluemix.net/main/loginGetDoc?username={0}&password={1}", userName, password));
                var response = await client.GetAsync(uri);

                if (response.IsSuccessStatusCode)
                {
                    var content = await response.Content.ReadAsStringAsync();

                    userDoc = JsonConvert.DeserializeObject <SmartShelfDoc>(content);

                    string perc     = "";
                    long   tempPerc = 0;

                    ShelfItem tempShelf;
                    ScaleItem tempScale;
                    double    tmpDouble;
                    DateTime  tmpDate;
                    shelfItems.Clear();
                    foreach (var shelf in userDoc.shelfs)
                    {
                        tempShelf      = new ShelfItem();
                        tempShelf.Id   = shelf.id;
                        tempShelf.Name = shelf.name;

                        tempShelf.Scales = new List <ScaleItem>();

                        foreach (var scale in shelf.scales)
                        {
                            tempScale         = new ScaleItem();
                            tempScale.ScaleId = scale.id.ToString();
                            tempScale.Name    = scale.id.ToString();
                            tmpDouble         = 0;
                            if (double.TryParse(scale.weight, out tmpDouble))
                            {
                                tempScale.CurrentWeight = tmpDouble;
                            }
                            else
                            {
                                tempScale.CurrentWeight = 0;
                            }
                            tmpDate = DateTime.Now.AddDays(7);
                            if (DateTime.TryParse(scale.estimatedDate, out tmpDate))
                            {
                                tempScale.EstimateRefillDate = tmpDate;
                            }
                            else
                            {
                                tempScale.EstimateRefillDate = DateTime.Now.AddDays(7);
                            }

                            if (DateTime.TryParse(scale.registerDate, out tmpDate))
                            {
                                tempScale.StartingDate = tmpDate;
                            }
                            else
                            {
                                tempScale.StartingDate = DateTime.Now;
                            }

                            double calcPerc = 0;
                            double temp;
                            await LoadProducts(client);

                            if (!string.IsNullOrEmpty(scale.productId))
                            {
                                var product = products.Where(p => p.id == scale.productId).FirstOrDefault();
                                if (product != null)
                                {
                                    if (double.TryParse(product.weight, out temp))
                                    {
                                        tempScale.StartingWeight = temp;
                                    }
                                    if (temp != 0)
                                    {
                                        calcPerc = tempScale.CurrentWeight * 100 / temp;
                                        perc     = string.Format("{0:0.00}", calcPerc) + "%";
                                    }
                                    tempScale.Name = product.name;
                                    tempScale.url  = product.url;
                                }
                            }
                            tempScale.ScaleName = scale.id.ToString();
                            tempScale.ShelfName = tempShelf.Name;
                            tempScale.ShelfId   = tempShelf.Id;
                            tempShelf.Scales.Add(tempScale);
                        }
                        shelfItems.Add(tempShelf);
                    }

                    return(true);
                }
                else
                {
                    return(false);
                }
            }
            catch (Exception ex)
            {
                return(false);
            }
        }