public async Task <ActionResult> Index()
{
#region Permission Check
PermissionRequestViewModel permissionViewModel = base.GetMissingPermissions();
if (permissionViewModel != null &&
permissionViewModel.MissingPermissions.Count > 0)
{
return(View("FB_RequestPermission", permissionViewModel));
}
#endregion
var access_token = HttpContext.Items["access_token"].ToString();
if (!string.IsNullOrEmpty(access_token))
{
var appsecret_proof = access_token.GenerateAppSecretProof();
var fb = new FacebookClient(access_token);
//Get current user's profile
dynamic myInfo = await fb.GetTaskAsync("me?fields=first_name,last_name,link,locale,email,name,birthday,gender,location,bio,age_range".GraphAPICall(appsecret_proof));
//get current picture
dynamic profileImgResult = await fb.GetTaskAsync("{0}/picture?width=100&height=100&redirect=false".GraphAPICall((string)myInfo.id, appsecret_proof));
//Hydrate FacebookProfileViewModel with Graph API results
var facebookProfile = DynamicExtension.ToStatic <FacebookProfileViewModel>(myInfo);
facebookProfile.ImageURL = profileImgResult.data.url;
return(View(facebookProfile));
}
else
{
throw new HttpException(404, "Missing Access Token");
}
}
public ActionResult RequestPermissions(
string okButton,
string cancelButton,
string redirectURI,
PermissionRequestViewModel acknowledgedPermissionRequest)
{
TempData["ProcessingPermissionRequest"] = true;
if (okButton != null)
{
StringBuilder permission_scope = new StringBuilder();
foreach (FacebookPermissionRequest permission in
acknowledgedPermissionRequest.MissingPermissions.
Where(x => x.requested == true))
{
permission_scope.Append(
string.Format("{0} ",
permission.permision_scope_value));
}
if (permission_scope.Length == 0)
{
return(Redirect("Index"));
}
else
{
var rerequestURL = base.AddPermissions(permission_scope.ToString(), redirectURI);
return(Redirect(rerequestURL));
}
}
else //if(cancelButton != null)
{
return(Redirect("Index"));
}
}
public async Task <ActionResult> GetMoreData(string NextPageUri)
{
if (!string.IsNullOrEmpty(NextPageUri))
{
#region Permission Check
PermissionRequestViewModel permissionViewModel = base.GetMissingPermissions();
if (permissionViewModel != null &&
permissionViewModel.MissingPermissions.Count > 0)
{
return(View("FB_RequestPermission", permissionViewModel));
}
#endregion
#region Get More Paged Data
var access_token = HttpContext.Items["access_token"].ToString();
if (!string.IsNullOrEmpty(access_token))
{
var appsecret_proof = access_token.GenerateAppSecretProof();
var fb = new FacebookClient(access_token);
dynamic nextPageResult = await fb.GetTaskAsync(NextPageUri.GraphAPICall(appsecret_proof));
#region Hydrate results
//Hydrate FacebookProfileViewModel with Graph API results
var userList = new List <FacebookFriendViewModel>();
foreach (dynamic friend in nextPageResult.data)
{
userList.Add(DynamicExtension.ToStatic <FacebookFriendViewModel>(friend));
}
#endregion
#region Paging Results
string NextPageURI = string.Empty;
if (nextPageResult.paging != null &&
nextPageResult.paging.next != null)
{
NextPageURI = nextPageResult.paging.next;
}
ViewBag.ShowGetMoreData = GetNextPageQuery(NextPageURI, access_token);
#endregion
return(PartialView("FindResults", userList));
}
else
{
throw new HttpException(404, "Missing Access Token");
}
#endregion
}
else
{
return(null);
}
}
public ActionResult Index()
{
#region Permission Check
PermissionRequestViewModel permissionViewModel = base.GetMissingPermissions();
if (permissionViewModel != null &&
permissionViewModel.MissingPermissions.Count > 0)
{
return(View("FB_RequestPermission", permissionViewModel));
}
#endregion
return(View());
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
#region Permission Check
var myBaseController = (BaseController)filterContext.Controller;
PermissionRequestViewModel permissionViewModel = myBaseController.GetMissingPermissions();
if (permissionViewModel != null &&
permissionViewModel.MissingPermissions.Count > 0)
{
//Set redirect URI using current http request controller's index action
permissionViewModel.redirectURI = myBaseController.Url.Action("Index",
filterContext.ActionDescriptor.ControllerDescriptor.ControllerName, null,
filterContext.HttpContext.Request.Url.Scheme);
filterContext.Result = myBaseController.FB_RequestPermission(permissionViewModel);
return;
}
#endregion
base.OnActionExecuting(filterContext);
}
public PermissionRequestViewModel GetMissingPermissions()
{
bool checkPermission = true;
if (TempData["ProcessingPermissionRequest"] != null)
{
checkPermission = !((bool)TempData["ProcessingPermissionRequest"]);
}
if (checkPermission)
{
//Check all permission and create list of Missing Permissions
PermissionRequestViewModel permissionViewModel = new
PermissionRequestViewModel();
permissionViewModel.MissingPermissions =
CheckPermissions(
GetRequiredPermissions());
return(permissionViewModel);
}
return(null);
}
public ActionResult FB_RequestPermission(PermissionRequestViewModel MissingPermissions)
{
return(View("FB_RequestPermission", MissingPermissions));
}
public async Task <ActionResult> Find(
string QueryValue,
string SearchBy,
string SearchCenterCoordinates)
{
#region Permission Check
PermissionRequestViewModel permissionViewModel = base.GetMissingPermissions();
if (permissionViewModel != null &&
permissionViewModel.MissingPermissions.Count > 0)
{
return(View("FB_RequestPermission", permissionViewModel));
}
#endregion
#region Facebook Graph API Search call
var access_token = HttpContext.Items["access_token"].ToString();
if (!string.IsNullOrEmpty(access_token))
{
var appsecret_proof = access_token.GenerateAppSecretProof();
var fb = new FacebookClient(access_token);
#region Search For Place
string _searchCenterParam = string.Empty;
if (SearchBy == "place" &&
!string.IsNullOrEmpty(SearchCenterCoordinates))
{
_searchCenterParam = string.Format("¢er={0}&distance={1}",
SearchCenterCoordinates,
ConfigurationManager.AppSettings["Facebook_Distance_Meters"].ToString());
}
#endregion
#region Search Facebook Graph Query call
dynamic myInfo = await fb.GetTaskAsync(
(string.Format("search?q={0}&type={1}{2}&limit=50",
QueryValue,
SearchBy,
_searchCenterParam) +
"&fields=name,id,picture.type(large).width(100).height(100){{url}}")
.GraphAPICall(appsecret_proof));
#endregion
#region Hydrate results
//Hydrate FacebookProfileViewModel with Graph API results
var userList = new List <FacebookFriendViewModel>();
foreach (dynamic friend in myInfo.data)
{
userList.Add(DynamicExtension.ToStatic <FacebookFriendViewModel>(friend));
}
#endregion
#region Paging Results
string NextPageURI = string.Empty;
if (myInfo.paging != null &&
myInfo.paging.next != null)
{
NextPageURI = myInfo.paging.next;
}
ViewBag.ShowGetMoreData = GetNextPageQuery(NextPageURI, access_token);
#endregion
return(PartialView("FindResults", userList));
}
else
{
throw new HttpException(404, "Missing Access Token");
}
#endregion
}
