/**
* Load the Chatter feed from the Chatter REST API, and add to the data source
**/
private async void LoadChatterFeed()
{
SFDCRestApi sfdcRest = new SFDCRestApi();
// sfdcRest.GenerateDummyData();
ChatterFeedDataSource chatterFeedDataSource = (ChatterFeedDataSource)App.Current.Resources["chatterFeedDataSource"];
this.DefaultViewModel["Items"] = chatterFeedDataSource.Items;
JObject responseObject = await sfdcRest.Request("GET", "chatter/feeds/news/me/feed-items?pageSize=100");
JArray responseItems = (JArray)responseObject["items"];
foreach (JObject itemObject in (JArray)responseObject["items"])
{
Debug.WriteLine((string)itemObject["body"]["text"]);
ChatterFeedItem feedItem = new ChatterFeedItem();
feedItem.Id = (string)itemObject["id"];
feedItem.Content = WebUtility.HtmlDecode((string)itemObject["body"]["text"]);
feedItem.Title = WebUtility.HtmlDecode(StringUtil.TruncateAtWord(feedItem.Content, 50));
feedItem.AuthorName = WebUtility.HtmlDecode((string)itemObject["actor"]["name"]);
feedItem.GroupName = WebUtility.HtmlDecode((string)itemObject["parent"]["name"]);
feedItem.CreatedDate = ((DateTime)itemObject["createdDate"]).ToString();
feedItem.Image = (string)itemObject["actor"]["photo"]["largePhotoUrl"]+"?oauth_token="+SFDCSession.Instance.AccessToken;
feedItem.Comments = new List<ChatterFeedItemComment>();
foreach (JObject commentObject in itemObject["comments"]["comments"])
{
ChatterFeedItemComment feedItemComment = new ChatterFeedItemComment();
feedItemComment.AuthorName = WebUtility.HtmlDecode((string)commentObject["user"]["name"]);
feedItemComment.Id = (string)commentObject["id"];
feedItemComment.Image = (string)commentObject["user"]["photo"]["largePhotoUrl"] + "?oauth_token=" + SFDCSession.Instance.AccessToken;
feedItemComment.CreatedDate = ((DateTime)commentObject["createdDate"]).ToString();
feedItemComment.Content = WebUtility.HtmlDecode((string)commentObject["body"]["text"]);
feedItem.Comments.Add(feedItemComment);
}
chatterFeedDataSource.Items.Add(feedItem);
}
}
/**
* Refresh the Access Token using the Refresh Token Flow
**/
public async Task<String> RefreshTokenFlow()
{
if (InstanceUrl == null || InstanceUrl == "")
{
InstanceUrl = PersistData.GetSerializedStringValue("instance_url");
}
//if we don't have a refresh token, we can't do much -- return null
if (RefreshToken == null || RefreshToken == "")
{
return null;
}
else
{
SFDCRestApi sfdcRestApi = new SFDCRestApi();
JObject responseObject = await sfdcRestApi.Request("POST",
"https://login.salesforce.com/services/oauth2/token",
string.Format("grant_type=refresh_token&client_id={0}&refresh_token={1}",
ConsumerKey,
RefreshToken));
AccessToken = (string)responseObject["access_token"];
InstanceUrl = (string)responseObject["instance_url"];
return AccessToken;
}
}
