protected List <FacebookPermissionRequest> CheckPermissions(
Dictionary <string, FacebookPermissionRequest> RequiredPermissions)
{
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);
IEnumerable <FacebookPermissionRequest> MissingPermissions =
new List <FacebookPermissionRequest>(); //initialize to an empty list
if (RequiredPermissions != null &&
RequiredPermissions.Count > 0)
{
//create an array of Facebook Batch Parameters based on list of RequiredPermission
FacebookBatchParameter[] fbBatchParameters =
new FacebookBatchParameter[RequiredPermissions.Values.Count()];
int idx = 0;
foreach (FacebookPermissionRequest required_permssion in
RequiredPermissions.Values)
{
fbBatchParameters[idx] = new FacebookBatchParameter
{
HttpMethod = HttpMethod.Get,
Path = string.Format("{0}{1}",
"me/permissions/",
required_permssion.permision_scope_value)
.GraphAPICall(appsecret_proof)
};
required_permssion.granted = false; //initalize all granted indicators to false for each required permission
idx++;
}
dynamic permission_Batchresult = fb.Batch(
fbBatchParameters
);
if (permission_Batchresult != null)
{
List <PermissionResults> result = JsonConvert.
DeserializeObject <List <PermissionResults> >
(permission_Batchresult.ToString());
foreach (FacebookPermissionModel permissionResult in
result.SelectMany(x => x.data).Where(y => y.status == "granted"))
{
RequiredPermissions[permissionResult.permission].granted = true;
}
MissingPermissions = RequiredPermissions.Values.
Where(p => p.granted == false);
}
}
return(MissingPermissions.ToList());
}
else
{
throw new HttpException(404, "Missing Access Token");
}
}
/// <summary>
/// Upload Multiple Photos
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public JsonArray UploadMultiplePhotos(List <Dictionary <string, object> > parameters)
{
try
{
FacebookBatchParameter[] batchArray = new FacebookBatchParameter[parameters.Count];
for (int i = 0; i < parameters.Count; i++)
{
batchArray[i] = new FacebookBatchParameter(HttpMethod.Post, base.pageID + "/photos", parameters[i]);
}
dynamic result = fb.Batch(batchArray);
return(result);
}
catch (Exception ex)
{
throw ex;
}
}
private void BatchRequestExample()
{
try
{
var fb = new FacebookClient(_accessToken);
dynamic result = fb.Batch(
new FacebookBatchParameter {
HttpMethod = HttpMethod.Get, Path = "/4"
},
new FacebookBatchParameter(HttpMethod.Get, "/me/friend", new Dictionary <string, object> {
{ "limit", 10 }
}), // this should throw error
new FacebookBatchParameter("/me/friends", new { limit = 1 })
{
Data = new { name = "one-friend", omit_response_on_success = false }
}, // use Data to add additional parameters that doesn't exist
new FacebookBatchParameter {
Parameters = new { ids = "{result=one-friend:$.data.0.id}" }
},
new FacebookBatchParameter("{result=one-friend:$.data.0.id}/feed", new { limit = 5 }),
new FacebookBatchParameter().Query("SELECT name FROM user WHERE uid="), // fql
new FacebookBatchParameter().Query("SELECT first_name FROM user WHERE uid=me()", "SELECT last_name FROM user WHERE uid=me()") // fql multi-query
//,new FacebookBatchParameter(HttpMethod.Post, "/me/feed", new { message = "test status update" })
);
// always remember to check individual errors for the batch requests.
if (result[0] is Exception)
{
MessageBox.Show(((Exception)result[0]).Message);
}
dynamic first = result[0];
string name = first.name;
// note: incase the omit_response_on_success = true, result[x] == null
// for this example, just comment it out.
//if (result[1] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[2] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[3] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[4] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[5] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[6] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
//if (result[7] is Exception)
// MessageBox.Show(((Exception)result[1]).Message);
}
catch (FacebookApiException ex)
{
MessageBox.Show(ex.Message);
}
}
public static void BatchRequest(string accessToken)
{
try
{
var fb = new FacebookClient(accessToken);
var result = (IList <object>)fb.Batch(
new FacebookBatchParameter("me"),
new FacebookBatchParameter(HttpMethod.Get, "me/friends", new { limit = 10 }));
var result0 = result[0];
var result1 = result[1];
// Note: Always check first if each result set is an exeption.
if (result0 is Exception)
{
var ex = (Exception)result0;
// Note: make sure to handle this exception.
throw ex;
}
else
{
var me = (IDictionary <string, object>)result0;
var name = (string)me["name"];
Console.WriteLine("Hi {0}", name);
}
Console.WriteLine();
if (result1 is Exception)
{
var ex = (Exception)result1;
// Note: make sure to handle this exception.
throw ex;
}
else
{
var friends = (IList <object>)((IDictionary <string, object>)result1)["data"];
Console.WriteLine("Some of your friends: ");
foreach (IDictionary <string, object> friend in friends)
{
Console.WriteLine(friend["name"]);
}
}
}
catch (FacebookApiException ex)
{
// Note: make sure to handle this exception.
throw;
}
}
public static void BatchRequestWithFqlMultiQuery(string accessToken)
{
try
{
var fb = new FacebookClient(accessToken);
var result = (IList <object>)fb.Batch(
new FacebookBatchParameter("/4"),
new FacebookBatchParameter().Query(
"SELECT first_name FROM user WHERE uid=me()",
"SELECT last_name FROM user WHERE uid=me()"));
var result0 = result[0];
var result1 = result[1];
// Note: Always check first if each result set is an exeption.
if (result0 is Exception)
{
var ex = (Exception)result0;
// Note: make sure to handle this exception.
throw ex;
}
else
{
Console.WriteLine("Batch Result 0: {0}", result0);
}
Console.WriteLine();
if (result1 is Exception)
{
var ex = (Exception)result1;
// Note: make sure to handle this exception.
throw ex;
}
else
{
var fqlResult = (IList <object>)(((IDictionary <string, object>)result1)["data"]);
var fqlResultSet0 = ((IDictionary <string, object>)fqlResult[0])["fql_result_set"];
Console.Write(fqlResultSet0);
Console.WriteLine();
var fqlResultSet1 = ((IDictionary <string, object>)fqlResult[1])["fql_result_set"];
Console.WriteLine(fqlResultSet1);
}
}
catch (FacebookApiException ex)
{
// Note: make sure to handle this exception.
throw;
}
}
/// <summary>
/// Método que devuelve en una lista de diccionarios todas las noticias con imagenes y mensajes adheridos
/// </summary>
/// <param name="limit"> El límite de noticias que se desea. Por defecto, 100 </param>
/// <returns>Lista de diccionarios. El diccionario tiene: From, Message, Caption, ImageUrl, Date...</returns>
public static List <Dictionary <string, object> > GetNewsWithImages(int limit = 100)
{
try
{
dynamic info = client.Batch(new FacebookBatchParameter(HttpMethod.Get, "poloitchaco/feed?limit=" + limit.ToString()), new FacebookBatchParameter(HttpMethod.Get, "informatorio/feed?limit=" + limit.ToString()));
List <Dictionary <string, object> > Result = new List <Dictionary <string, object> >();
foreach (var item in info)
{
foreach (var post in item.data)
{
Dictionary <string, object> New = new Dictionary <string, object>();
string temp = Convert.ToString(post);
if (post.type == "photo" & (post.status_type == "added_photos" | post.status_type == "shared_story") & temp.Contains("message") & !temp.Contains("Informatorio shared POLO IT CHACO's photo"))
{
New.Add("ID", post.id);
New.Add("From", post.from.name);
New.Add("Message", post.message);
New.Add("Caption", post.caption);
string ImageURL = GetImageUrl(post.object_id);
New.Add("ImageUrl", GetImageUrl(post.object_id));
New.Add("Link", post.link);
New.Add("Date", post.created_time);
Result.Add(New);
}
}
}
Result.OrderByDescending(x => x["Date"]);
return(Result);
}
catch (Facebook.WebExceptionWrapper fe)
{
throw fe;
}
}
private void BatchRequestNullReferenceExceptionWhenOmitReponseOnSuccessIsTrue(string accessToken)
{
Test("(#5883) Batch Request NullReferenceException when omit_response_on_success = true",
() =>
{
var fb = new FacebookClient(accessToken);
return(fb.Batch(
new FacebookBatchParameter("/me")
{
Data = new { omit_respone_on_success = true, name = "get-uid" }
},
new FacebookBatchParameter("/", new { ids = "result=get-uid:$..id" })));
});
}
private void BatchRequestNullReferenceExceptionWhenOmitReponseOnSuccessIsTrue(string accessToken)
{
Test("(#5883) Batch Request NullReferenceException when omit_response_on_success = true",
() =>
{
var fb = new FacebookClient(accessToken);
return fb.Batch(
new FacebookBatchParameter("/me") { Data = new { omit_respone_on_success = true, name = "get-uid" } },
new FacebookBatchParameter("/", new { ids = "result=get-uid:$..id" }));
});
}
