/// <summary>
/// For fields: https://developers.facebook.com/docs/graph-api/reference/user/#fields
/// </summary>
/// <param name="token"></param>
/// <param name="fields"></param>
public FacebookGraphResult <FacebookPublicInformation> GetPublicInformation(OAuthv2AccessToken token, string[] fields)
{
var _fbRestClient = new RestClient(string.Format("https://graph.facebook.com/me?fields={0}", string.Join(",", fields)))
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
FacebookGraphResult <FacebookPublicInformation> .Fail(response.Content);
}
var entity = JsonConvert.DeserializeObject <FacebookPublicInformation>(response.Content);
return(FacebookGraphResult <Entities.FacebookPublicInformation> .Success(entity));
}
catch (Exception ex)
{
return(FacebookGraphResult <Entities.FacebookPublicInformation> .Fail(ex.Message));
}
}
/// <summary>
/// https://developers.facebook.com/docs/pages/managing
/// Works with user access_token
/// </summary>
/// <param name="token"></param>
/// <param name="userId"></param>
/// <returns></returns>
public FacebookGraphResult <List <FacebookPageInformation> > GetPageList(OAuthv2AccessToken token)
{
var _fbRestClient = new RestClient("https://graph.facebook.com/me/accounts")
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.GET);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <List <FacebookPageInformation> > .Fail(response.Content));
}
JObject obj = JObject.Parse(response.Content);
var data = obj["data"];
var paging = obj["paging"];
var pageList = JsonConvert.DeserializeObject <List <FacebookPageInformation> >(data.ToString());
return(FacebookGraphResult <List <FacebookPageInformation> > .Success(pageList));
}
catch (Exception e)
{
return(FacebookGraphResult <List <FacebookPageInformation> > .Fail(e.Message));
}
}
/// <summary>
/// FOR SCHEDULED PUBLISH.
/// </summary>
/// <param name="token"></param>
/// <param name="page"></param>
/// <param name="pathToVideo"></param>
/// <param name="description"></param>
/// <param name="unixTimestamp"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookUploadVideoResponse> UploadVideo(OAuthv2AccessToken token, FacebookPageInformation page, string pathToVideo, string description, long unixTimestamp)
{
var _fbRestClient = new RestClient($"https://graph-video.facebook.com/v9.0/{page.Id}/videos")
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.POST);
request.AddFile("source", pathToVideo);
request.AddParameter("description", description);
request.AddParameter("published", "false");
request.AddParameter("scheduled_publish_time", unixTimestamp);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookUploadVideoResponse> .Fail(response.Content));
}
var uploadVideoResponse = JsonConvert.DeserializeObject <FacebookUploadVideoResponse>(response.Content);
return(FacebookGraphResult <FacebookUploadVideoResponse> .Success(uploadVideoResponse));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookUploadVideoResponse> .Fail(ex.Message));
}
}
/// <summary>
/// https://developers.facebook.com/docs/facebook-login/access-tokens/refreshing/
/// </summary>
/// <param name="token"></param>
/// <param name="appId"></param>
/// <param name="appSecret"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookLongLivedToken> GetLongLivedToken(OAuthv2AccessToken token, string appId, string appSecret)
{
var _fbRestClient = new RestClient("https://graph.facebook.com/v8.0/oauth/access_token")
{
};
var request = new RestRequest(Method.GET);
request.AddParameter("grant_type", "fb_exchange_token");
request.AddParameter("client_id", appId);
request.AddParameter("client_secret", appSecret);
request.AddParameter("fb_exchange_token", token.AccessToken);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookLongLivedToken> .Fail(response.Content));
}
var longLivedToken = JsonConvert.DeserializeObject <FacebookLongLivedToken>(response.Content);
return(FacebookGraphResult <FacebookLongLivedToken> .Success(longLivedToken));
}
catch (Exception e)
{
return(FacebookGraphResult <FacebookLongLivedToken> .Fail(e.Message));
}
}
/// <summary>
/// FOR CHUNKED UPLOAD.
/// </summary>
/// <param name="token"></param>
/// <param name="page"></param>
/// <param name="fileSizeInBytes"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookUploadSession> StartVideoUploadSession(OAuthv2AccessToken token, FacebookPageInformation page, string fileSizeInBytes)
{
var _fbRestClient = new RestClient($"https://graph-video.facebook.com/v9.0/{page.Id}/videos?upload_phase=start&file_size={fileSizeInBytes}")
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookUploadSession> .Fail(response.Content));
}
var uploadSession = JsonConvert.DeserializeObject <FacebookUploadSession>(response.Content);
return(FacebookGraphResult <FacebookUploadSession> .Success(uploadSession));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookUploadSession> .Fail(ex.Message));
}
}
/// <summary>
/// ONLY TEXT CONTENT
/// Schedules a post.
/// https://developers.facebook.com/docs/pages/publishing/
/// </summary>
/// <param name="token"></param>
/// <param name="account"></param>
/// <param name="content"></param>
/// <returns></returns>
public FacebookGraphResult <bool> SchedulePost(OAuthv2AccessToken token, FacebookPageInformation account, string content, long unixTimeStamp)
{
var _fbRestClient = new RestClient(string.Format("https://graph.facebook.com/{0}/feed?published=false&message={1}&scheduled_publish_time={2}",
account.Id, content, unixTimeStamp))
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <bool> .Fail(response.Content));
}
return(FacebookGraphResult <bool> .Success(true));
}
catch (Exception ex)
{
return(FacebookGraphResult <bool> .Fail(ex.Message));
}
}
/// <summary>
/// To get scheduled posts.
/// https://graph.facebook.com/101389545124742/scheduled_posts
/// </summary>
/// <param name="token"></param>
/// <param name="account"></param>
/// <returns></returns>
public FacebookGraphResult <List <FacebookPost> > GetScheduledPosts(OAuthv2AccessToken token, FacebookPageInformation account)
{
var _fbRestClient = new RestClient(string.Format("https://graph.facebook.com/{0}/scheduled_posts",
account.Id))
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.GET);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <List <FacebookPost> > .Fail(response.Content));
}
JObject result = JObject.Parse(response.Content);
var posts = JsonConvert.DeserializeObject <List <FacebookPost> >(result["data"].ToString());
return(FacebookGraphResult <List <FacebookPost> > .Success(posts));
}
catch (Exception ex)
{
return(FacebookGraphResult <List <FacebookPost> > .Fail(ex.Message));
}
}
/// <summary>
/// Publishes a video post on a Facebook page/group
/// </summary>
/// <param name="account"></param>
/// <param name="content"></param>
/// <param name="video"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookPost> PublishPost(FacebookPageInformation page, string content, FacebookVideo video)
{
try
{
var uploadResult = UploadVideo(page, content, video);
if (!uploadResult.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail("An error has occured while trying to upload video to Facebook. Details: " + uploadResult.Message));
}
else
{
return(FacebookGraphResult <FacebookPost> .Success(new FacebookPost { Id = uploadResult.Entity.Id }));
}
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
/// <summary>
/// Publishes a post on Facebook page (text-only)
/// </summary>
/// <param name="page"></param>
/// <param name="content"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookPost> PublishPost(FacebookPageInformation page, string content)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/feed?message={content}&access_token={page.AccessToken}");
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail(response.Content));
}
return(FacebookGraphResult <FacebookPost> .Success(JsonConvert.DeserializeObject <FacebookPost>(response.Content)));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
/// <summary>
/// FOR IMMEDIATE PUBLISH
/// Returns video_id on Facebook
/// </summary>
/// <param name="page"></param>
/// <param name="content"></param>
/// <param name="video"></param>
/// <returns></returns>
private FacebookGraphResult <FacebookVideo> UploadVideo(FacebookPageInformation page, string content, FacebookVideo video)
{
var _fbRestClient = new RestClient($"https://graph-video.facebook.com/{page.Id}/videos?file_url={video.VideoURL}&description={content}&published={video.IsPublished}&access_token={page.AccessToken}");
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookVideo> .Fail(response.Content));
}
var uploadVideoResponse = JsonConvert.DeserializeObject <FacebookVideo>(response.Content);
return(FacebookGraphResult <FacebookVideo> .Success(uploadVideoResponse));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookVideo> .Fail(ex.Message));
}
}
/// <summary>
/// VIDEO-DESCRIPTION.
/// Schedules a post.
/// https://developers.facebook.com/docs/pages/publishing/
/// </summary>
/// <param name="token"></param>
/// <param name="link"></param>
/// <param name="content"></param>
/// <param name="account"></param>
/// <param name="unixTimeStamp"></param>
/// <returns></returns>
public FacebookGraphResult <bool> SchedulePost(OAuthv2AccessToken token, string pathToVideo, FacebookPageInformation account, string description, long unixTimeStamp)
{
var uploadVideoResult = UploadVideo(token, account, pathToVideo, description, unixTimeStamp);
if (!uploadVideoResult.IsSuccessful)
{
return(FacebookGraphResult <bool> .Fail("An error has occured while trying to upload video to facebook via Graph API. Details: " + uploadVideoResult.Message));
}
var _fbRestClient = new RestClient($"https://graph.facebook.com/{account.Id}/videos")
{
Authenticator = new JwtAuthenticator(token.AccessToken)
};
var request = new RestRequest(Method.POST);
request.AddParameter("id", uploadVideoResult.Entity.VideoId);
try
{
//BadRequest dönmesine rağmen başarılı bu. (buraya exceptional bir şey eklemeliyiz.)
//Facebook dev ekibiyle iletişime de geçilebilir.
var response = _fbRestClient.Execute(request);
//if(response.StatusCode.Equals(HttpStatusCode.BadRequest))
//if (!response.IsSuccessful)
//{
// return FacebookGraphResult<bool>.Fail(response.Content);
//}
return(FacebookGraphResult <bool> .Success(true));
}
catch (Exception ex)
{
return(FacebookGraphResult <bool> .Fail(ex.Message));
}
}
/// <summary>
/// VIDEO-DESCRIPTION.
/// Schedules a post.
/// https://developers.facebook.com/docs/pages/publishing/
/// </summary>
/// <param name="page"></param>
/// <param name="pathToVideo"></param>
/// <param name="description"></param>
/// <param name="unixTimeStamp"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookPost> SchedulePost(FacebookPageInformation page, string content, FacebookVideo video, long unixTimeStamp)
{
var uploadResult = UploadVideo(page, content, video, unixTimeStamp);
if (!uploadResult.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail("An error has occured while trying to upload video to facebook via Graph API. Details: " + uploadResult.Message));
}
var _fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/videos")
{
Authenticator = new JwtAuthenticator(page.AccessToken)
};
var request = new RestRequest(Method.POST);
request.AddParameter("media_fbid", uploadResult.Entity.Id);
try
{
//BadRequest dönmesine rağmen başarılı bu. (buraya exceptional bir şey eklemeliyiz.)
//Facebook dev ekibiyle iletişime de geçilebilir.
var response = _fbRestClient.Execute(request);
//if(response.StatusCode.Equals(HttpStatusCode.BadRequest))
//if (!response.IsSuccessful)
//{
// return FacebookGraphResult<bool>.Fail(response.Content);
//}
return(FacebookGraphResult <FacebookPost> .Success(JsonConvert.DeserializeObject <FacebookPost>(response.Content)));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
/// <summary>
/// Link and comment (text)
/// </summary>
/// <param name="token"></param>
/// <param name="content"></param>
/// <param name="account"></param>
/// <param name="link"></param>
/// <returns></returns>
public FacebookGraphResult <bool> PublishPost(OAuthv2AccessToken token, string content, FacebookPageInformation account, string link)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{account.Id}/feed?link={link}&message={content}&access_token={token.AccessToken}")
{
};
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <bool> .Fail(response.Content));
}
return(FacebookGraphResult <bool> .Success(true));
}
catch (Exception ex)
{
return(FacebookGraphResult <bool> .Fail(ex.Message));
}
}
/// <summary>
/// Publishes a photo post on Facebook page (text and image)
/// </summary>
/// <param name="page"></param>
/// <param name="content"></param>
/// <param name="imageUrl"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookPost> PublishPost(FacebookPageInformation page, string content, FacebookPhoto photo)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/photos?url={photo.PhotoURL}&published={photo.IsPublished}&message={content}&access_token={page.AccessToken}");
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail(response.Content));
}
var result = JsonConvert.DeserializeObject <FacebookPhoto>(response.Content);
return(FacebookGraphResult <FacebookPost> .Success(new FacebookPost { Id = result.PostID }));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
/// <summary>
/// LINK - TEXT
/// Schedules a post with a link attached.
/// https://developers.facebook.com/docs/pages/publishing/
/// </summary>
/// <param name="account"></param>
/// <param name="link"></param>
/// <param name="content"></param>
/// <param name="unixTimeStamp"></param>
/// <returns></returns>
public FacebookGraphResult <FacebookPost> SchedulePost(FacebookPageInformation account, string content, string link, long unixTimeStamp)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{account.Id}/feed?link={link}&published=false&message={content}&scheduled_publish_time={unixTimeStamp}")
{
Authenticator = new JwtAuthenticator(account.AccessToken)
};
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail(response.Content));
}
return(FacebookGraphResult <FacebookPost> .Success(JsonConvert.DeserializeObject <FacebookPost>(response.Content)));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
/// <summary>
/// Supports 1 image or 1 video. Certain rules apply.
/// https://developers.facebook.com/docs/instagram-api/reference/ig-user/media#creating
/// </summary>
/// <param name="page"></param>
/// <param name="mediaType"></param>
/// <param name="assetURL"></param>
/// <param name="caption"></param>
/// <returns></returns>
public FacebookGraphResult <InstagramPost> PublishInstagramPost(FacebookPageInformation page, InstagramContainerType mediaType, string assetURL, string caption)
{
string last_error = "";
string containerRequestURL = "";
if (mediaType == InstagramContainerType.PHOTO)
{
containerRequestURL = $"https://graph.facebook.com/{page.Id}/media?image_url={assetURL}&caption={caption}&access_token={page.AccessToken}";
}
else if (mediaType == InstagramContainerType.VIDEO)
{
containerRequestURL = $"https://graph.facebook.com/{page.Id}/media?media_type=VIDEO&video_url={assetURL}&caption={caption}&access_token={page.AccessToken}";
}
var _fbRestClient = new RestClient(containerRequestURL);
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <InstagramPost> .Fail(response.Content));
}
var result = JsonConvert.DeserializeObject <InstagramContainer>(response.Content);
var creationId = result.Id;
if (creationId.Length > 0)
{
_fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/media_publish?creation_id={creationId}&access_token={page.AccessToken}");
request = new RestRequest(Method.POST);
try
{
response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <InstagramPost> .Fail(response.Content));
}
return(FacebookGraphResult <InstagramPost> .Success(JsonConvert.DeserializeObject <InstagramPost>(response.Content)));
}
catch (Exception ex)
{
return(FacebookGraphResult <InstagramPost> .Fail(ex.Message));
}
}
else
{
return(FacebookGraphResult <InstagramPost> .Fail($"Photo upload is failed, {last_error}"));
}
}
catch (Exception ex)
{
return(FacebookGraphResult <InstagramPost> .Fail(ex.Message));
}
}
public FacebookGraphResult <FacebookPost> PublishPost(FacebookPageInformation page, string content, List <FacebookPhoto> photos)
{
if (photos.Count == 1)
{
return(PublishPost(page, content, photos[0]));
}
else
{
List <string> publishedPhotoIds = new List <string>();
string last_error = "";
foreach (var photo in photos)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/photos?published=false&url={photo.PhotoURL}&access_token={page.AccessToken}");
var request = new RestRequest(Method.POST);
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail(response.Content));
}
var result = JsonConvert.DeserializeObject <FacebookPhoto>(response.Content);
publishedPhotoIds.Add(result.Id);
}
catch (Exception ex)
{
last_error = ex.Message;
// return FacebookGraphResult<FacebookPost>.Fail(ex.Message);
// bypassing this image
}
}
if (publishedPhotoIds.Count > 0)
{
var _fbRestClient = new RestClient($"https://graph.facebook.com/{page.Id}/feed?message={content}&access_token={page.AccessToken}");
var request = new RestRequest(Method.POST);
for (int i = 0; i < publishedPhotoIds.Count; i++)
{
request.AddParameter($"attached_media[{i}]", "{\"media_fbid\":\"" + publishedPhotoIds[i].ToString() + "\"}");
}
try
{
var response = _fbRestClient.Execute(request);
if (!response.IsSuccessful)
{
return(FacebookGraphResult <FacebookPost> .Fail(response.Content));
}
return(FacebookGraphResult <FacebookPost> .Success(JsonConvert.DeserializeObject <FacebookPost>(response.Content)));
}
catch (Exception ex)
{
return(FacebookGraphResult <FacebookPost> .Fail(ex.Message));
}
}
else
{
return(FacebookGraphResult <FacebookPost> .Fail($"All photos failed to upload, {last_error}"));
}
}
}
