/// <summary>
/// Returns the <see cref="FacebookPicture"/> object associated with the logged user
/// </summary>
/// <returns>A <see cref="FacebookPicture"/> object</returns>
public async Task <FacebookPicture> GetUserPictureInfoAsync()
{
if (Provider.LoggedIn)
{
var factory = new FBJsonClassFactory(JsonConvert.DeserializeObject <FacebookDataHost <FacebookPicture> >);
PropertySet propertySet = new PropertySet {
{ "redirect", "0" }
};
var singleValue = new FBSingleValue("/me/picture", propertySet, factory);
var result = await singleValue.GetAsync();
if (result.Succeeded)
{
return(((FacebookDataHost <FacebookPicture>)result.Object).Data);
}
throw new Exception(result.ErrorInfo?.Message);
}
var isLoggedIn = await LoginAsync();
if (isLoggedIn)
{
return(await GetUserPictureInfoAsync());
}
return(null);
}
private async void getFBUserInfo()
{
FBSession clicnt = FBSession.ActiveSession;
if (clicnt.LoggedIn)
{
var userId = clicnt.User.Id;
string endpoint = "/" + userId + "?access_token=1819087251640431|n5eZecurPAfO37og6RphwZ04tb8&fields=id,name,email,picture";
PropertySet parameters = new PropertySet();
FBSingleValue value = new FBSingleValue(endpoint, parameters, FBUserRootobject.FromJson);
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)
{
try
{
FBUserRootobject profile = graphResult.Object as FBUserRootobject;
FBPicture.UserId = userId;
getFBUserDetails(profile);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString() + "\nBrak danych");
}
}
}
}
/// <summary>
/// Retrieves a photo by id.
/// </summary>
/// <param name="photoId">Photo Id for the photo.</param>
/// <returns>A single photo.</returns>
public async Task <FacebookPhoto> GetPhotoByPhotoIdAsync(string photoId)
{
if (Provider.LoggedIn)
{
var factory = new FBJsonClassFactory(JsonConvert.DeserializeObject <FacebookPhoto>);
PropertySet propertySet = new PropertySet {
{ "fields", "images" }
};
var singleValue = new FBSingleValue($"/{photoId}", propertySet, factory);
var result = await singleValue.GetAsync();
if (result.Succeeded)
{
return((FacebookPhoto)result.Object);
}
throw new Exception(result.ErrorInfo?.Message);
}
var isLoggedIn = await LoginAsync();
if (isLoggedIn)
{
return(await GetPhotoByPhotoIdAsync(photoId));
}
return(null);
}
private async void OnGet(object sender, RoutedEventArgs e)
{
FBSession clicnt = FBSession.ActiveSession;
if (clicnt.LoggedIn)
{
var userId = clicnt.User.Id;
string endpoint = "/" + userId + "/friends?fields=id,name,email,picture";
PropertySet parameters = new PropertySet();
// parameters.Add("limit", "10");
FBSingleValue value = new FBSingleValue(endpoint, parameters, Rootobject.FromJson);
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)
{
try
{
Rootobject profile = graphResult.Object as Rootobject;
string name = profile.data[0]?.name;
string email = profile.data[0]?.email;
MessageDialog dialog = new MessageDialog(name + "\n" + email);
await dialog.ShowAsync();
}
catch (Exception ex)
{
MessageDialog dialog = new MessageDialog(ex.ToString() + "\nBrak znajomych");
await dialog.ShowAsync();
}
}
}
}
private async Task <string> getAppToken()
{
PropertySet parameters = new PropertySet();
string result = null;
parameters.Add("request_host", FBSDKTokenServiceHost);
parameters.Add("access_token", "");
parameters.Add("id", TestAppId);
FBSingleValue sval = new FBSingleValue(FBSDKTokenApiPath,
parameters,
new FBJsonClassFactory((JsonText) =>
{
JsonObject obj = null;
if (!JsonObject.TryParse(JsonText, out obj))
{
obj = null;
}
return(obj);
}));
FBResult fbresult = await sval.GetAsync();
if (fbresult.Succeeded)
{
JsonObject obj = (JsonObject)fbresult.Object;
if (obj.Keys.Contains("access_token"))
{
result = obj.GetNamedString("access_token");
}
}
return(result);
}
private async void GetFriends()
{
FBSession clicnt = FBSession.ActiveSession;
if (clicnt.LoggedIn)
{
var userId = clicnt.User.Id;
string endpoint = "/" + userId + "/friends?fields=id,name,email,picture";
PropertySet parameters = new PropertySet();
//parameters.Add("limit", "3");
FBSingleValue value = new FBSingleValue(endpoint, parameters, Rootobject.FromJson);
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)
{
try
{
Rootobject profile = graphResult.Object as Rootobject;
int friends_count = profile.data.Count();
if (Convert.ToBoolean(friends_count))
{
var friendsList = new ObservableCollection <FBUserRootobject>();
for (int i = 0; i < friends_count; i++)
{
string id = profile.data[i]?.id;
if (Database.checkIfFBUserIsSigned(id, course_id))
{
friendsList.Add(new FBUserRootobject()
{
id = profile.data[i]?.id, name = profile.data[i]?.name, email = profile.data[i]?.email
});
Debug.WriteLine("Friend {0} added to friends list.", i + 1);
}
}
if (friendsList.Count > 0)
{
TitleFbFriendsTextBlock.Visibility = Visibility.Visible;
FriendsList.ItemsSource = friendsList;
}
}
}
catch (Exception ex)
{
MessageDialog dialog = new MessageDialog(ex.ToString());
await dialog.ShowAsync();
}
}
}
}
private static IAsyncOperation <FBResult> ExecuteAsync(string method, FBSingleValue request)
{
switch (method.ToLowerInvariant())
{
case "delete":
return(request.DeleteAsync());
case "get":
return(request.GetAsync());
case "post":
return(request.PostAsync());
default:
throw new NotSupportedException($"Method '{method}' is not supported.");
}
}
private async void OnGet(object sender, RoutedEventArgs e)
{
string endpoint = "/me";
PropertySet parameters = new PropertySet();
parameters.Add("fields", "email");
FBSingleValue value = new FBSingleValue(endpoint, parameters, User.FromJson);
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)
{
User profile = graphResult.Object as User;
string email = profile?.Email;
MessageDialog dialog = new MessageDialog(email);
await dialog.ShowAsync();
}
}
public async void GetPageWithId(
string ID
)
{
FBSingleValue val = new FBSingleValue("/" + ID, null,
new FBJsonClassFactory((JsonText) =>
MyFBPage.FromJson(JsonText)));
FBResult result = await val.GetAsync();
if (result.Succeeded)
{
MyFBPage page = (MyFBPage)result.Object;
//Do something with page here
}
else
{
HandleError(result.ErrorInfo);
}
}
public async void GetPageWithId(
string ID
)
{
FBSingleValue val = new FBSingleValue("/" + ID, null,
new FBJsonClassFactory((JsonText) =>
MyFBPage.FromJson(JsonText)));
FBResult result = await val.GetAsync();
if (result.Succeeded)
{
MyFBPage page = (MyFBPage)result.Object;
//Do something with page here
}
else
{
HandleError(result.ErrorInfo);
}
}
private async void OnGet(object sender, RoutedEventArgs e)
{
string endpoint = "/me/friends";
PropertySet parameters = new PropertySet();
parameters.Add("limit", "10");
FBSingleValue value = new FBSingleValue(endpoint, parameters, Rootobject.FromJson);
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)
{
Rootobject profile = graphResult.Object as Rootobject;
string name = profile.data[0]?.name;
MessageDialog dialog = new MessageDialog(name);
await dialog.ShowAsync();
}
}
/*Method keeps sending get requets to facebook api using paging, untill all pictures have been added
*/
private async void GetAllFbPic(PicturePlaceObject results, PropertySet parameters, string endpoint, PicturePlaceDb db)
{
Boolean addedAllPics = false;
do //only do this while there is a next page and all pics have not been added
{
addedAllPics = SortPictures(results, db); //Add Results to a list
if (addedAllPics == false)
{
parameters.Remove("after"); //Remove previous parameters
parameters.Add("after", results.paging.cursors.after); //the next page to send the request too
FBSingleValue value = new FBSingleValue(endpoint, parameters, DeserializeJson.FromJson); //send the request and get back a JSON responce
FBResult graphResult = await value.GetAsync(); //check to see if the Requets Succeeded
results = graphResult.Object as PicturePlaceObject;
}
} while ((results.paging != null || results.data.Count() != 0) && addedAllPics == false);
PaintPins(db);
}
/*On Successful login, send GET request to FB endpoint with params and DeserializeJson the results into objects/Dictonary
*/
private async void OnSuccessLogin()
{
string endpoint = "/me/photos";//where the url starts from
PropertySet parameters = new PropertySet();
parameters.Add("fields", "source,place"); //Required fields needed
FBSingleValue value = new FBSingleValue(endpoint, parameters, DeserializeJson.FromJson); //send the request and get back a JSON responce
FBResult graphResult = await value.GetAsync();
if (graphResult.Succeeded)//check to see if the Request Succeeded
{
PicturePlaceObject results = graphResult.Object as PicturePlaceObject;
var db = new PicturePlaceDb();
GetAllFbPic(results, parameters, endpoint, db);
}
else
{
MessageDialog dialog = new MessageDialog("Try Again Later!");
await dialog.ShowAsync();
}
}
private async void LoadRoundProfilePicture(
String UserId
)
{
PropertySet parameters = new PropertySet();
String path = "/" + UserId + "/picture";
parameters.Add(new KeyValuePair <String, Object>("redirect", "false"));
// Just picking a width and height for now
parameters.Add(new KeyValuePair <String, Object>("width", "200"));
parameters.Add(new KeyValuePair <String, Object>("height", "200"));
FBSingleValue value = new FBSingleValue(path, parameters,
new FBJsonClassFactory(FBProfilePicture.FromJson));
FBResult result = await value.GetAsync();
if (result.Succeeded)
{
FBProfilePicture pic = (FBProfilePicture)result.Object;
ProfilePicBrush.ImageSource = new BitmapImage(new Uri(pic.Url));
}
}
private static IAsyncOperation<FBResult> ExecuteAsync(string method, FBSingleValue request)
{
switch (method.ToLowerInvariant())
{
case "delete":
return request.DeleteAsync();
case "get":
return request.GetAsync();
case "post":
return request.PostAsync();
default:
throw new NotSupportedException($"Method '{method}' is not supported.");
}
}
private async Task<string> getAppToken()
{
PropertySet parameters = new PropertySet();
string result = null;
parameters.Add("request_host", FBSDKTokenServiceHost);
parameters.Add("access_token", "");
parameters.Add("id", TestAppId);
FBSingleValue sval = new FBSingleValue(FBSDKTokenApiPath,
parameters,
new FBJsonClassFactory((JsonText) =>
{
JsonObject obj = null;
if (!JsonObject.TryParse(JsonText, out obj))
{
obj = null;
}
return obj;
}));
FBResult fbresult = await sval.GetAsync();
if (fbresult.Succeeded)
{
JsonObject obj = (JsonObject)fbresult.Object;
if (obj.Keys.Contains("access_token"))
{
result = obj.GetNamedString("access_token");
}
}
return result;
}
private async void LoadRoundProfilePicture(
String UserId
)
{
PropertySet parameters = new PropertySet();
String path = "/" + UserId + "/picture";
parameters.Add(new KeyValuePair<String, Object>("redirect", "false"));
// Just picking a width and height for now
parameters.Add(new KeyValuePair<String, Object>("width", "200"));
parameters.Add(new KeyValuePair<String, Object>("height", "200"));
FBSingleValue value = new FBSingleValue(path, parameters,
new FBJsonClassFactory(FBProfilePicture.FromJson));
FBResult result = await value.GetAsync();
if (result.Succeeded)
{
FBProfilePicture pic = (FBProfilePicture)result.Object;
ProfilePicBrush.ImageSource = new BitmapImage(new Uri(pic.Url));
}
}
