async public Task <JsonArray> UploadMultiplePhotosAsync(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 = await fb.BatchTaskAsync(batchArray);
return(result);
}
catch (Exception ex)
{
throw ex;
}
}
private async void BatchRequestExample()
{
try
{
dynamic result = await _fb.BatchTaskAsync(
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)
{
// handle error message // MessageBox.Show(((Exception)result[0]).Message);
return;
}
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)
{
// handle error message
}
}
public object UploadFaceBookBatch(FacebookPosting input)
{
try
{
var fb = new FacebookClient(input.FacebookToken);
fb.AppId = input.FacebookAppId;
fb.AppSecret = input.FacebookAppSecret;
List <FacebookBatchParameter> fbp = new List <FacebookBatchParameter>();
int count = 0;
foreach (var item in input.PostingItems)
{
string extension = Path.GetExtension(item.url);
string FileName = Path.GetFileName(item.url);
if (!string.IsNullOrEmpty(extension))
{
extension = extension.Replace(".", "");
}
var param = new FacebookBatchParameter(HttpMethod.Post, "/me/photos", new Dictionary <string, object> {
{ "message", item.Title }, { "pic" + count, new FacebookMediaObject {
ContentType = "image/" + extension, FileName = FileName
}.SetValue(File.ReadAllBytes(item.url)) }
});
fbp.Add(param);
count++;
}
return(fb.BatchTaskAsync(fbp.ToArray()).Result);
}
catch (FacebookOAuthException ex)
{
Console.WriteLine(ex.Message);
return(ex);
}
catch (FacebookApiException ex)
{
Console.WriteLine(ex.Message);
return(ex);
}
}