private Table showFeeds(string FeedURL)
{
Table mainTable = null;
int i = 0;
TableRow tr;
TableCell tc;
TableCell tcImage;
mainTable = new Table();
mainTable.Width = Unit.Percentage(100);
mainTable.CellSpacing = 0;
mainTable.CellPadding = 0;
int feedsCount = 0;
JSONObject me = GetFeeds(FeedURL);
if (me.Dictionary["data"] != null)
{
JSONObject[] feedsprev = new JSONObject[1];
JSONObject[] feeds = me.Dictionary["data"].Array;
feedsCount = feeds.Length;
if (ViewState["html"] != null)
{
feedsprev = (JSONObject[])ViewState["html"] as JSONObject[];
}
int mergedarraylength = 0;
if (feeds != null)
{
mergedarraylength = feeds.Length;
}
if (feedsprev[0] != null)
{
mergedarraylength += feedsprev.Length;
}
JSONObject[] mergedFeeds = new JSONObject[mergedarraylength];
if (feedsprev[0] != null)
{
feedsprev.CopyTo(mergedFeeds, 0);
}
if (feeds != null)
{
if (feedsprev[0] != null)
{
feeds.CopyTo(mergedFeeds, feedsprev.Length);
}
else
{
feeds.CopyTo(mergedFeeds, 0);
}
}
ViewState["html"] = mergedFeeds;
foreach (JSONObject feed in mergedFeeds)
{
tr = new TableRow();
tr.CssClass = "fbMainRow";
if (ShowUserImage)
{
tcImage = new TableCell();
Image image = new Image();
image.ImageUrl = string.Format("https://graph.facebook.com/{0}/picture", feed.Dictionary["from"].Dictionary["id"].String);
image.CssClass = "fbHeaderImage";
tcImage.Width = Unit.Percentage(5);
tcImage.Controls.Add(image);
tcImage.VerticalAlign = VerticalAlign.Middle;
tr.Cells.Add(tcImage);
}
tc = new TableCell();
tc.Controls.Add(ParseFeed(feed, i));
tr.Cells.Add(tc);
mainTable.Rows.Add(tr);
i++;
}
}
if (feedsCount < WallCount)
{
ViewState["next"] = "";
}
else
{
ViewState["next"] = me.Dictionary["paging"].Dictionary["next"].String;
}
return mainTable;
}
private Table ParseFeed(JSONObject feed, int counter)
{
Table feedTable;
TableRow feedTableRow;
TableCell feedTableCell;
HyperLink objHyperLink;
Table childTable = new Table();
TableRow childRow = new TableRow();
TableCell childCell;
//first table row in main feed table
feedTable = new Table();
feedTableRow = new TableRow();
feedTable.Rows.Add(feedTableRow);
//first of all see what is the type of this feed
switch (feed.Dictionary["type"].String)
{
case "status":
if (feed.Dictionary.ContainsKey("message"))
{
//first cell and add table of status data
feedTableCell = new TableCell();
feedTableRow.Cells.Add(feedTableCell);
childTable = new Table();
childTable.CellPadding = 2;
childRow = new TableRow();
childTable.Rows.Add(childRow);
childCell = new TableCell();
childCell.Text = feed.Dictionary["message"].String;
childRow.Cells.Add(childCell);
feedTableCell.Controls.Add(childTable);
}
if (feed.Dictionary.ContainsKey("story"))
{
//first cell and add table of status data
feedTableCell = new TableCell();
feedTableRow.Cells.Add(feedTableCell);
childTable = new Table();
childTable.CellPadding = 2;
childRow = new TableRow();
childTable.Rows.Add(childRow);
childCell = new TableCell();
childCell.Text = feed.Dictionary["story"].String;
childRow.Cells.Add(childCell);
feedTableCell.Controls.Add(childTable);
}
break;
case "photo":
case "link":
case "video":
//create a feed table cell and add child table
feedTableCell = new TableCell();
feedTableRow.Cells.Add(feedTableCell);
childTable = new Table();
childTable.CellPadding = 2;
feedTableCell.Controls.Add(childTable);
if (feed.Dictionary.ContainsKey("picture"))
{
childRow = new TableRow();
childTable.Rows.Add(childRow);
Image image = new Image();
image.ImageUrl = feed.Dictionary["picture"].String;
image.Width = Unit.Pixel(90);
childCell = new TableCell();
childCell.RowSpan = 4;
childRow.Cells.Add(childCell);
childCell.Controls.Add(image);
}
if (feed.Dictionary.ContainsKey("message"))
{
//next row
childRow = new TableRow();
childTable.Rows.Add(childRow);
childCell = new TableCell();
childRow.Cells.Add(childCell);
//Remove the link from the message
string message = feed.Dictionary["message"].String;
if (message.ToLower().Contains("http"))
{
if (feed.Dictionary["link"].String.Contains("?"))
{
int linkCount = feed.Dictionary["link"].String.Remove(feed.Dictionary["link"].String.IndexOf("http"), feed.Dictionary["link"].String.Length - feed.Dictionary["link"].String.IndexOf("?")).Length;
message = message.Remove(message.IndexOf("http"), linkCount);
}
else
message = message.Remove(message.IndexOf("http"), feed.Dictionary["link"].String.Length);
}
childCell.Text = message;
}
if (feed.Dictionary.ContainsKey("name"))
{
//next row
childRow = new TableRow();
childTable.Rows.Add(childRow);
childCell = new TableCell();
childRow.Cells.Add(childCell);
objHyperLink = new HyperLink();
childCell.Controls.Add(objHyperLink);
objHyperLink.Text = feed.Dictionary["name"].String;
objHyperLink.Target = "_New";
if (feed.Dictionary.ContainsKey("link"))
{
objHyperLink.NavigateUrl = feed.Dictionary["link"].String;
}
}
if (feed.Dictionary.ContainsKey("description"))
{
//first cell and add table of status data
//next row
childRow = new TableRow();
childTable.Rows.Add(childRow);
childCell = new TableCell();
childCell.Text = feed.Dictionary["description"].String;
childCell.CssClass = "fbWallDescription";
childRow.Cells.Add(childCell);
}
break;
}
//second row in main feed table to display the additional information
feedTableRow = new TableRow();
feedTable.Rows.Add(feedTableRow);
//first cell for feed icon
feedTableCell = new TableCell();
feedTableRow.Cells.Add(feedTableCell);
///now the child table for data
childTable = new Table();
childTable.CellPadding = 2;
childRow = new TableRow();
childTable.Rows.Add(childRow);
feedTableCell.Controls.Add(childTable);
if (feed.Dictionary.ContainsKey("icon"))
{
Image image = new Image();
image.ImageUrl = feed.Dictionary["icon"].String;
childCell = new TableCell();
childRow.Cells.Add(childCell);
childCell.Controls.Add(image);
}
else
{
System.Web.UI.WebControls.Image image = new System.Web.UI.WebControls.Image();
image.ImageUrl = ImagePath + "big_transparent.gif";
image.Width = Unit.Pixel(16);
image.Height = Unit.Pixel(17);
image.BorderWidth = Unit.Pixel(0);
childCell = new TableCell();
childRow.Cells.Add(childCell);
childCell.Controls.Add(image);
}
if (feed.Dictionary.ContainsKey("created_time"))
{
childCell = new TableCell();
childRow.Cells.Add(childCell);
childCell.Text = RelativeTime(feed.Dictionary["created_time"].String.ToString());
childCell.Style.Add("color", "Gray");
}
childRow = new TableRow();
childTable.Rows.Add(childRow);
//Show Likes info
if (feed.Dictionary.ContainsKey("likes"))
{
childCell = new TableCell();
childRow.Cells.Add(childCell);
System.Web.UI.WebControls.Image img_Like = new System.Web.UI.WebControls.Image();
img_Like.ImageUrl = ImagePath + "Likes.png";
img_Like.CssClass = "fbLikes";
childCell.Controls.Add(img_Like);
//Showing the number of likes
childCell = new TableCell();
childRow.Cells.Add(childCell);
Label lbl_Likes = new Label();
lbl_Likes.Text = feed.Dictionary["likes"].Dictionary["count"].String + " people";
lbl_Likes.CssClass = "fbLikes mrgn";
// get the story id
string[] fbinfo = feed.Dictionary["id"].String.Split('_');
lbl_Likes.Attributes.Add("onClick", "javascript:window.open('https://www.facebook.com/" + this.UserID + "/posts/" + fbinfo[1] + "','_newtab');");
img_Like.Attributes.Add("onClick", "javascript:window.open('https://www.facebook.com/" + this.UserID + "/posts/" + fbinfo[1] + "','_newtab');");
Label lbl_likeThis = new Label();
lbl_likeThis.Text = " like this.";
childCell.Controls.Add(lbl_Likes);
childCell.Controls.Add(lbl_likeThis);
}
else // Show only like image
{
childCell = new TableCell();
childRow.Cells.Add(childCell);
System.Web.UI.WebControls.Image img_Like = new System.Web.UI.WebControls.Image();
img_Like.ImageUrl = ImagePath + "Likes.png";
img_Like.CssClass = "fbLikes";
string[] fbinfo = feed.Dictionary["id"].String.Split('_');
img_Like.Attributes.Add("onClick", "javascript:window.open('https://www.facebook.com/" + this.UserID + "/posts/" + fbinfo[1] + "','_newtab');");
childCell.Controls.Add(img_Like);
}
//show Comments Info
if (feed.Dictionary.ContainsKey("comments"))
{
//Showing Comment image
childCell = new TableCell();
childRow.Cells.Add(childCell);
System.Web.UI.WebControls.Image img_Comment = new System.Web.UI.WebControls.Image();
img_Comment.ImageUrl = ImagePath + "comments.png";
img_Comment.CssClass = "fbLikes";
childCell.Controls.Add(img_Comment);
//Showing Text
childCell = new TableCell();
childRow.Cells.Add(childCell);
Label lbl_Comment = new Label();
lbl_Comment.Text = "View all " + feed.Dictionary["comments"].Dictionary["count"].String + " Comments";
lbl_Comment.CssClass = "fbLikes mrgn";
// get the story id
string[] fbinfo = feed.Dictionary["id"].String.Split('_');
lbl_Comment.Attributes.Add("onClick", "javascript:window.open('https://www.facebook.com/" + this.UserID + "/posts/" + fbinfo[1] + "','_newtab');");
img_Comment.Attributes.Add("onClick", "javascript:window.open('https://www.facebook.com/" + this.UserID + "/posts/" + fbinfo[1] + "','_newtab');");
childCell.Controls.Add(lbl_Comment);
}
return feedTable;
}
private static void RecursiveObjectToString(JSONObject obj,
StringBuilder sb, int level)
{
if (obj.IsDictionary)
{
sb.AppendLine();
RecursiveDictionaryToString(obj, sb, level + 1);
}
else if (obj.IsArray)
{
foreach (JSONObject o in obj.Array)
{
RecursiveObjectToString(o, sb, level);
sb.AppendLine();
}
}
else // some sort of scalar value
{
sb.Append(obj.String);
}
}
private static void RecursiveDictionaryToString(JSONObject obj,
StringBuilder sb, int level)
{
foreach (KeyValuePair<string, JSONObject> kvp in obj.Dictionary)
{
sb.Append(' ', level * 2);
sb.Append(kvp.Key);
sb.Append(" => ");
RecursiveObjectToString(kvp.Value, sb, level);
sb.AppendLine();
}
}
/// <summary>
/// Recursively constructs this JSONObject
/// </summary>
private static JSONObject Create(object o)
{
JSONObject obj = new JSONObject();
if (o is object[])
{
object[] objArray = o as object[];
obj._arrayData = new JSONObject[objArray.Length];
for (int i = 0; i < obj._arrayData.Length; ++i)
{
obj._arrayData[i] = Create(objArray[i]);
}
}
else if (o is Dictionary<string, object>)
{
obj._dictData = new Dictionary<string, JSONObject>();
Dictionary<string, object> dict =
o as Dictionary<string, object>;
foreach (string key in dict.Keys)
{
obj._dictData[key] = Create(dict[key]);
}
}
else if (o != null) // o is a scalar
{
obj._stringData = o.ToString();
}
return obj;
}
void buttonWriteOnWall_Click(object sender, EventArgs e)
{
try
{
bool userMemberOfGroup = false;
string postUrl = string.Empty;
string Comment = textWall.Text.Trim().Replace("\r\n", " "); // variable to get the text to be written on wall
bool PostContainsMessage = true; // false if the comment contains only URL
string Link = CheckForLinkInPost(Comment); // To extract the link from the Comment if any (only single URL will be extracted
// Check if the comment contains only the URL
if (string.IsNullOrEmpty(Link))
{
PostContainsMessage = string.IsNullOrEmpty(Comment.Replace(Link, "").Trim());
}
if (this.PostOnProfile)
{
//postUrl = string.Format("https://graph.facebook.com/me/feed?access_token={0}&message={1}", oAuthToken, textWall.Text.Trim());
// If only message is to be posted
if (string.IsNullOrEmpty(Link))
{
postUrl = string.Format("https://graph.facebook.com/me/feed?access_token={0}&message={1}", oAuthToken, Comment);
}
// If only Lik is to be posted
else if (!string.IsNullOrEmpty(Link) && !PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/me/feed?access_token={0}&link={1}", oAuthToken, Link);
}
// If comment contains both message and link
else if (!string.IsNullOrEmpty(Link) && PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/me/feed?access_token={0}&link={1}&message={2}", oAuthToken, Link, Comment);
}
}
else if (this.PostOnGroupWall) //To Post on the Group wall
{
//get the groups
JSONObject group = GetUserGroups(oAuthToken);
if (group.Dictionary["data"] != null)
{
//Check if the user is a group member
JSONObject[] userGroups = group.Dictionary["data"].Array;
if (userGroups.Length > 0)
{
foreach (JSONObject userGroup in userGroups)
{
if (userGroup.Dictionary["id"].String.Equals(this.OAuthPageID))
{
//if its in the group form the url for posting the post
userMemberOfGroup = true;
//postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID, oAuthToken, textWall.Text.Trim());
// If only message is to be posted
if (string.IsNullOrEmpty(Link))
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID, oAuthToken, Comment);
}
// If only Link is to be posted
else if (!string.IsNullOrEmpty(Link) && !PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&Link={2}", this.OAuthPageID, oAuthToken, Link);
}
// If comment contains both message and link
else if (!string.IsNullOrEmpty(Link) && PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&Link={2}&message={3}", this.OAuthPageID, oAuthToken, Link, Comment);
}
break;
}
}
if (!userMemberOfGroup)
{
LblMessage = new Label();
LblMessage.Text = "You are not the member of the given group";
this.Controls.Add(LblMessage);
}
}
else
{
LblMessage = new Label();
LblMessage.Text = "Either you are not the member of the given group ID OR User groups permission has not been given to this application.In order for this application to post on your group wall as your account, you need to give this application 'Access User Groups' permission.Please go to the following url to grant this permission:" + string.Format("<a target='_blank' href='https://www.facebook.com/dialog/oauth?client_id={0}&redirect_uri={1}&scope=user_groups&response_type=token'>https://www.facebook.com/dialog/oauth?client_id={0}&redirect_uri={1}&scope=user_groups&response_type=token</a>", this.OAuthClientID, this.OAuthRedirectUrl);
this.Controls.Add(LblMessage);
}
}
else
{
LblMessage = new Label();
LblMessage.Text = "You are not the member of the given group";
this.Controls.Add(LblMessage);
}
}
else
{
if (this.PostAsPage)
{
JSONObject me = GetUserPages(oAuthToken);
if (me.Dictionary["data"] != null)
{
JSONObject[] userAccounts = me.Dictionary["data"].Array;
if (userAccounts.Length > 0)
{
if (!userAccounts[0].Dictionary.ContainsKey("access_token"))
{
LblMessage = new Label();
LblMessage.Text = "Manage pages permission has not been given to this application.In order for this application to post on your page as your page's account, you need to give this application 'Manage Pages' permission.Please go to the following url to grant this permission:" + string.Format("<a target='_blank' href='https://www.facebook.com/dialog/oauth?client_id={0}&redirect_uri={1}&scope=manage_pages&response_type=token'>https://www.facebook.com/dialog/oauth?client_id={0}&redirect_uri={1}&scope=manage_pages&response_type=token</a>", this.OAuthClientID, this.OAuthRedirectUrl);
this.Controls.Add(LblMessage);
}
else
{
bool userAccountFound = false;
foreach (JSONObject userAccount in userAccounts)
{
if (userAccount.Dictionary["id"].String.Equals(this.OAuthPageID.Trim()))
{
userAccountFound = true;
//postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID.Trim(), userAccount.Dictionary["access_token"].String, textWall.Text.Trim());
// If only message is to be posted
if (string.IsNullOrEmpty(Link))
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID.Trim(), userAccount.Dictionary["access_token"].String, Comment);
}
// If only Lik is to be posted
else if (!string.IsNullOrEmpty(Link) && !PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&link={2}", this.OAuthPageID.Trim(), userAccount.Dictionary["access_token"].String, Link);
}
// If comment contains both message and link
else if (!string.IsNullOrEmpty(Link) && PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}&link={3}", this.OAuthPageID.Trim(), userAccount.Dictionary["access_token"].String, Comment, Link);
}
break;
}
}
if (!userAccountFound)
{
LblMessage = new Label();
LblMessage.Text = "The given page was not found in the list of pages.Please make sure that this user is the admin of the page that you have specified.";
this.Controls.Add(LblMessage);
}
}
}
else
{
LblMessage = new Label();
LblMessage.Text = "The given page was not found.";
this.Controls.Add(LblMessage);
}
}
else
{
LblMessage = new Label();
LblMessage.Text = "No pages found for the given account.";
this.Controls.Add(LblMessage);
}
}
else
{
//postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID, oAuthToken, textWall.Text.Trim());
// If only message is to be posted
if (string.IsNullOrEmpty(Link))
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}", this.OAuthPageID.Trim(), Comment);
}
// If only Lik is to be posted
else if (!string.IsNullOrEmpty(Link) && !PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&link={2}", this.OAuthPageID.Trim(), Link);
}
// If comment contains both message and link
else if (!string.IsNullOrEmpty(Link) && PostContainsMessage)
{
postUrl = string.Format("https://graph.facebook.com/{0}/feed?access_token={1}&message={2}&link={3}", this.OAuthPageID.Trim(), Comment, Link);
}
}
}
if (!String.IsNullOrEmpty(postUrl))
{
HttpWebRequest request2 = WebRequest.Create(postUrl) as HttpWebRequest;
request2.Method = "post";
using (HttpWebResponse response2 = request2.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response2.GetResponseStream());
string retVal = reader.ReadToEnd();
if (!String.IsNullOrEmpty(retVal))
{
LblMessage = new Label();
if (this.PostOnProfile)
{
LblMessage.Text = "Message successfully posted on wall.";
}
else if (this.PostOnGroupWall)
{
LblMessage.Text = "Message successfully posted on your Group wall.";
}
else
{
LblMessage.Text = "Message successfully posted on page.";
}
this.Controls.Add(LblMessage);
}
}
}
}
catch (Exception Ex)
{
LblMessage = new Label();
LblMessage.Text = "An error occurred while posting on wall:" + Ex.Message;
this.Controls.Add(LblMessage);
}
}
