//get the facebook profile and deserialize the json response to build the user profile
public async Task <FaceBookModel> GetFacebookProfileAsync(string accessToken)
{
var requestUrl = "https://graph.facebook.com/v2.7/me/"
+ "?fields=name,picture,cover,age_range,devices,email,gender,is_verified"
+ "&access_token=" + accessToken;
var httpClient = new HttpClient();
var userJson = await httpClient.GetStringAsync(requestUrl);
var facebookProfile = JsonConvert.DeserializeObject <FaceBookModel>(userJson);
var name = facebookProfile.Name;
var id = facebookProfile.id;
var email = facebookProfile.email;
var gender = facebookProfile.gender;
//build the user profile
FaceBookModel model = new FaceBookModel()
{
Name = name,
id = id,
email = email,
gender = gender
};
//send the data back to the FaceBookModel easy table. Each entry contains one user profile.
try
{
await AzureManager.AzureManagerInstance.AddTimeline(model);
}
catch (Microsoft.WindowsAzure.MobileServices.MobileServiceConflictException) { }
return(facebookProfile);
}
//basic layout of the page
public MainPage(FaceBookModel profile)
{
InitializeComponent();
NavigationPage.SetHasBackButton(this, false);
this.profile = profile;
var layout = new StackLayout {
Padding = new Thickness(5, 10)
};
this.Content = layout;
var label = new Label {
Text = "Welcome " + profile.Name, TextColor = Color.FromHex("#77d065"), FontSize = 20
};
button = new Button {
Text = "Take a photo", BackgroundColor = Color.Silver, TextColor = Color.White, BorderRadius = 0
};
button2 = new Button {
Text = "Get the past order", BackgroundColor = Color.Silver, TextColor = Color.White, BorderRadius = 0
};
button.Clicked += TakePicture_Clicked;
button2.Clicked += ChangeToPreviousOrderPage;
layout.Children.Add(label);
layout.Children.Add(button);
layout.Children.Add(button2);
}
//Show the list view of the order
public PreviousOrderPage(FaceBookModel profile)
{
InitializeComponent();
NavigationPage.SetHasBackButton(this, false);
this.profile = profile;
Name = profile.Name;
ShowPreviousOrder();
}
//this method use the access token to get the user profile
private async void WebViewOnNavigated(object sender, WebNavigatedEventArgs e)
{
var accessToken = ExtractAccessTokenFromUrl(e.Url);
if (accessToken != "")
{
profile = await GetFacebookProfileAsync(accessToken);
ChangePage();
}
}
//HTTP UPDATE method
public async Task UpdateTimeline(FaceBookModel profile)
{
await this.profileTable.UpdateAsync(profile);
}
//The following methods are used for HTTP transport protocol
//HTTP PUT method
public async Task AddTimeline(FaceBookModel timeline)
{
await this.profileTable.InsertAsync(timeline);
}
//basic layout of the page
public FoodPage(EmotionModel _emotionModel, FaceBookModel profile)
{
InitializeComponent();
NavigationPage.SetHasBackButton(this, false);
this._emotionModel = _emotionModel;
this.profile = profile;
var image = new Image {
Aspect = Aspect.AspectFit
};
var layout = new StackLayout {
Padding = new Thickness(5, 10)
};
//preview of the dishes based on the emotion
if (_emotionModel.Emotion.ToLower() == "happiness")
{
image.Source = ImageSource.FromFile("happyfood.jpg");
label = new Label {
Text = "You look happy. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "anger")
{
image.Source = ImageSource.FromFile("angryfood.jpg");
label = new Label {
Text = "You look angry. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "contempt")
{
image.Source = ImageSource.FromFile("contemptfood.jpg");
label = new Label {
Text = "You look contempt. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "disgust")
{
image.Source = ImageSource.FromFile("disgustfood.jpg");
label = new Label {
Text = "You look disgust. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "fear")
{
image.Source = ImageSource.FromFile("fearfood.jpg");
label = new Label {
Text = "You look fear. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "neutral")
{
image.Source = ImageSource.FromFile("neutralfood.jpg");
label = new Label {
Text = "You look alright. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "sadness")
{
image.Source = ImageSource.FromFile("sadnessfood.jpg");
label = new Label {
Text = "You look sad. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
else if (_emotionModel.Emotion.ToLower() == "surprise")
{
image.Source = ImageSource.FromFile("surprisefood.jpg");
label = new Label {
Text = "You look surprised. Do you want it?", TextColor = Color.FromHex("#77d065"), FontSize = 20
};
}
this.Content = layout;
button = new Button {
Text = "Order the food", BackgroundColor = Color.Silver, TextColor = Color.White, BorderRadius = 0
};
button.Clicked += SendOrder;
layout.Children.Add(image);
layout.Children.Add(label);
layout.Children.Add(button);
}