/// <summary>
/// Get member info in specified group.
/// </summary>
/// <param name="groupId">Id of target group. Note that this method only support id of group, not for alias name</param>
/// <param name="startMemberIndex">
/// Index of member in target group.
/// Note that FB display 30 members per page.
/// So the first page begin at startMemberIndex = 0, second page begin at startMemberIndex = 30 </param>
/// <returns>List of group member</returns>
private List <GroupMember> GetGroupMembers(string groupId, int startMemberIndex)
{
var groupMembers = new List <GroupMember>();
int p = startMemberIndex;
int numberOfMemberFacebookDisplayPerPage = 30;
while (true)
{
string groupMemberUrl =
"https://m.facebook.com/browse/group/members/?id=" + groupId +
"&start=" + startMemberIndex +
"&listType=list_nonfriend";
HtmlNode document = __BuildDomFromUrl(groupMemberUrl);
HtmlNodeCollection memberNodes = document.SelectNodes("/html/body/div/div/div[2]/div/div[1]/div/table");
if (memberNodes == null || memberNodes.Count == 0)
{
break;
}
foreach (HtmlNode memberNode in memberNodes)
{
var groupMember = new GroupMember();
// member id or alias
groupMember.UserId = CompiledRegex.Match("Digit", memberNode.GetAttributeValue("id", string.Empty)).Value;
// is admin
HtmlNode isAdminNode = memberNode.SelectSingleNode("tr/td[2]/div/h3[2]");
if (isAdminNode != null)
{
groupMember.IsAdmin = isAdminNode.InnerText.Contains(Localization.IsGroupAdmin);
}
// display name
HtmlNode nameNode = memberNode.SelectSingleNode("tr/td[2]/div/h3[1]/a") ?? memberNode.SelectSingleNode("tr/td[2]/div/h3[1]");
groupMember.DisplayName = (nameNode == null) ? string.Empty : nameNode.InnerText;
groupMembers.Add(groupMember);
}
startMemberIndex += numberOfMemberFacebookDisplayPerPage;
}
return(groupMembers);
}
/// <summary>
/// Get member info in specified group.
/// </summary>
/// <param name="groupId">Id of target group. Note that this method only support id of group, not for alias name</param>
/// <param name="page">List friends will be paged, to get specified page, pass page value.</param>
/// <returns>List of group member</returns>
private List <GroupMember> GetGroupMembers(string groupId, int page)
{
var groupMembers = new List <GroupMember>();
string groupMemberUrl = "https://m.facebook.com/browse/group/members/?id=" + groupId + "&start=" + page + "&listType=list_nonfriend";
HtmlNode document = this.BuildDom(groupMemberUrl);
HtmlNodeCollection members = document.SelectNodes("/html/body/div/div/div[2]/div/div[1]/div/table");
if (members == null || members.Count == 0)
{
return(groupMembers);
}
foreach (HtmlNode member in members)
{
var groupMember = new GroupMember();
// member id or alias
groupMember.UserId = CompiledRegex.Match("Digit", member.GetAttributeValue("id", string.Empty)).Value;
// is admin
HtmlNode isAdminNode = member.SelectSingleNode("tr/td[2]/div/h3[2]");
if (isAdminNode != null)
{
groupMember.IsAdmin = isAdminNode.InnerText.Contains(ConstString.IsGroupAdmin);
}
// display name
HtmlNode nameNode = member.SelectSingleNode("tr/td[2]/div/h3[1]/a") ?? member.SelectSingleNode("tr/td[2]/div/h3[1]");
groupMember.DisplayName = (nameNode == null) ? string.Empty : nameNode.InnerText;
groupMembers.Add(groupMember);
}
// TODO (ThinhVu) : Reduce recursion
List <GroupMember> nextPageMembers = GetGroupMembers(groupId, page + 30);
groupMembers.AddRange(nextPageMembers);
return(groupMembers);
}
/// <summary>
/// Get friend helper method. This method support for GetFriend
/// </summary>
/// <param name="firstFriendPageUrl">Url</param>
/// <param name="type">
/// Type = 1 if you want to get other friends.
/// Type = 2 if you want to get your friend.
/// </param>
/// <returns>List of facebook user id</returns>
List <string> GetFriends(string firstFriendPageUrl)
{
// Declare list string to store user id
var friends = new List <string>();
// using queue to remove recursive search over pages
var friendPages = new Queue <string>();
friendPages.Enqueue(firstFriendPageUrl);
// we will loop to the end of friend list
while (friendPages.Count > 0)
{
string currentFriendPageUrl = friendPages.Dequeue();
string currentHtmlContent = _http.DownloadContent(currentFriendPageUrl);
HtmlNode docNode = HtmlHelper.BuildDom(currentHtmlContent);
// select root node which is div element with id is root, does not real root node
HtmlNode rootNode = docNode.SelectSingleNode("//div[@id='root']");
// Because selectNodes and SelectSingleNode method working incorrect.
// Both method working in entire document node rather than current node when we pass relative xpath expression.
// So, we maybe get more element than expect.
// E.g : Trying select table element with role=presentation in rootNode will search in entire document
// var friendTables1 = rootNode.SelectNodes("//table[@role='presentation']");
// If we only want to search in InnerHtml of current node, just load it to another HtmlDocument object
// Maybe isn't the best way to do our job. But at the moment, i think it still good.
docNode = HtmlHelper.BuildDom(rootNode.InnerHtml);
// Now search table in new document
HtmlNodeCollection friendAnchors =
docNode.SelectNodes("//table[@role='presentation']/tr/td[2]/a") ??
docNode.SelectNodes("//table[@role='presentation']/tbody/tr/td[2]/a");
if (friendAnchors == null)
{
return(friends);
}
// Loop through all node and trying to get user alias or id
foreach (HtmlNode friendAnchor in friendAnchors)
{
string id = string.Empty;
string userProfileHref = friendAnchor.GetAttributeValue("href", null);
if (userProfileHref != null)
{
if (!userProfileHref.Contains("profile.php"))
{
// if userProfileHref does't contain "profile.php", userProfileHref contain user alias.
// E.g : https://m.facebook.com:443/user.alias.here?fref=fr_tab&refid=17/about
int questionMarkIndex = userProfileHref.IndexOf("?");
if (questionMarkIndex > -1)
{
userProfileHref = userProfileHref.Substring(1, questionMarkIndex - 1);
}
else
{
userProfileHref = userProfileHref.Substring(1);
}
friends.Add(userProfileHref);
}
else
{
// Extract user id from href profile.php?id=user_id&fre...
// If extract not success then we need to log this error
Match match = CompiledRegex.Match("UserId", userProfileHref);
if (match.Success)
{
friends.Add(match.Groups["id"].Value);
}
else
{
_logger.WriteLine("Match user id by CompiledRege.Match(UserId) is fail. Addition info : url=" + firstFriendPageUrl + " and user profile is " + userProfileHref);
}
}
}
else
{
// If we go to this code block, there are some case happend :
// - Our bot has been block by this user or facebook.
// - This is deleted user.
// - We need provide more pattern to detect user id
// now i will log it for later fix
_logger.WriteLine("Maybe " + friendAnchor.InnerText + " has been banned. Access this link from browser to check again.");
}
}
HtmlNode moreFriend = rootNode.SelectSingleNode("//div[@id='m_more_friends']/a");
if (moreFriend == null)
{
continue;
}
var nextUrl = WebUtility.HtmlDecode(moreFriend.GetAttributeValue("href", null));
if (nextUrl != null)
{
friendPages.Enqueue("https://m.facebook.com" + nextUrl);
}
else
{
_logger.WriteLine("This is last page.");
}
}
return(friends);
}
/// <summary>
/// Get friend's id of someone -- heavy method -- need refactor
/// </summary>
/// <param name="userIdOrAlias">
/// If userId passed is blank then you will get your friend list.
/// Else you will get friend list of this id.
/// </param>
/// <returns>List id of friends</returns>
public UserInfo GetUserInfo(string userIdOrAlias, bool includeUserAbout = false, bool includedFriendList = false)
{
// TODO : messy method - we need refactor it.
if (string.IsNullOrWhiteSpace(userIdOrAlias))
{
throw new ArgumentException("userIdOrAlias must not null or empty.");
}
UserInfo userInfo = new UserInfo();
// TODO : Reduce check
// The first time we passed userIdOrAlias
// We don't know it is userIdOrAlias so we need to check
// The second time when we known passed param is user id or alias
// But we still need check again. it make perf decrease.
string userAboutUrl = string.Empty;
bool isUserId = !CompiledRegex.Match("NonDigit", userIdOrAlias).Success;
if (isUserId)
{
userAboutUrl = "https://m.facebook.com/profile.php?v=info&id=" + userIdOrAlias;
userInfo.Id = userIdOrAlias;
userInfo.Alias = string.Empty;
}
else
{
userAboutUrl = "https://m.facebook.com/" + userIdOrAlias + "/about";
userInfo.Id = string.Empty;
userInfo.Alias = userIdOrAlias;
}
HtmlNode htmlDom = this.BuildDom(userAboutUrl);
// Get avatar anchor tag :
// avatarAnchorElem contain avatar image source, user display name and maybe contain id.
// if userIdOrAlias is current user or other user with animated avatar then 1st xpath is wrong
// pick another anchor
HtmlNode avatarAnchor = htmlDom.SelectSingleNode("//div[@id='root']/div/div/div/div/div/a");
if (avatarAnchor == null ||
avatarAnchor.InnerText == ConstString.EditProfilePicture || // for current user
avatarAnchor.InnerText == ConstString.AddProfilePicture) // for animate avatar
{
avatarAnchor = htmlDom.SelectSingleNode("//div[@id='root']/div/div/div/div/div/div/a");
}
else if (avatarAnchor.SelectSingleNode("div/a/img") != null ||
(avatarAnchor.PreviousSibling != null && avatarAnchor.PreviousSibling.SelectSingleNode("/a/img") != null))
{
HtmlNodeCollection anchors = avatarAnchor.SelectNodes("div/a");
if (anchors != null)
{
foreach (HtmlNode anchor in anchors)
{
if (anchor.SelectSingleNode("img") != null)
{
avatarAnchor = anchor;
break;
}
}
}
}
else
{
// Support another xpath to get user id
}
// get user id
if (!isUserId && avatarAnchor != null)
{
Match idMatch = Match.Empty;
// trying get id from avatar href
var avatarHref = avatarAnchor.GetAttributeValue("href", null);
// If we found avatar href, we might using it to detect user id
if (avatarHref != null)
{
// There is 3 pattern to detect user id
// If we get another url format, return this url for detect later.
// /photo.php?fbid=704517456378829&id=100004617430839&...
// /profile/picture/view/?profile_id=100003877944061&...
// /story.php\?story_fbid=\d+&id=(?<id>\d+) for animate avatar
if ((idMatch = CompiledRegex.Match("UserIdFromAvatar1", avatarHref)).Success ||
(idMatch = CompiledRegex.Match("UserIdFromAvatar2", avatarHref)).Success ||
(idMatch = CompiledRegex.Match("UserIdFromAvatar3", avatarHref)).Success)
{
userInfo.Id = idMatch.Groups["id"].Value;
}
}
// try another way
if (string.IsNullOrEmpty(userInfo.Id))
{
// Trying to detect user id from hyperlink :
// Timeline · Friends · Photos · Likes · Followers · Following · [Activity Log]
// NOTE :
// - Activity log only show in current user about page
//
// Important : /div/div/div/a must select before /div/div/a. Do not swap SelectNodes order.
HtmlNodeCollection anchors = htmlDom.SelectNodes("//div[@id='root']/div/div/div/a")
?? htmlDom.SelectNodes("//div[@id='root']/div/div/a");
if (anchors != null && anchors.Count > 0)
{
foreach (HtmlNode anchor in anchors)
{
// Get and check hrefAttr and innerText
// If both of them have value then we can detect it using compiled pattern
// NOTE : Check pattern if you think it's incorrect.
string hrefAttr = anchor.GetAttributeValue("href", string.Empty);
string innerText = anchor.InnerText;
if (!string.IsNullOrWhiteSpace(innerText) &&
(idMatch = CompiledRegex.Match(innerText, hrefAttr)).Success)
{
userInfo.Id = idMatch.Groups["id"].Value;
break;
}
}
}
}
// Try another way if id still empty
if (string.IsNullOrEmpty(userInfo.Id))
{
// Step 3 :
// trying get uid from action button : Add Friend, Message, Follow, More
// I only select the 1st xpath,the second xpath will be check in the future.
HtmlNodeCollection btnHrefts = htmlDom.SelectNodes("//div[@id='root']/div/div/div/table/tr/td/a");
// ??htmlDom.SelectNodes("//div[@id='root']/div/div/div");
// If we found some button nodes :
// - Add Friend node if we does not add friend with this user
// - Message if this user allow we can send message to him/her
// - Follow if this user allow we can follow him/her and we not follow him/her before
// - More if we can see more about user - i think that, maybe is incorrect.
if (btnHrefts != null && btnHrefts.Count > 0)
{
foreach (var btnHreft in btnHrefts)
{
// if href and innertext not null then we can trying detect user id by compiled regex
// NOTE :
// - Check CompiledRegex if you think it not correct anymore
// - Edit Key if you use another Language rather than English to access FB
string hrefAttr = btnHreft.GetAttributeValue("href", string.Empty);
string innerText = btnHreft.InnerText;
if (!string.IsNullOrWhiteSpace(innerText) &&
(idMatch = CompiledRegex.Match(innerText, hrefAttr)).Success)
{
userInfo.Id = idMatch.Groups["id"].Value;
break;
}
}
}
}
}
if (string.IsNullOrEmpty(userInfo.Id))
{
_logger.WriteLine("Could not detect id from " + userAboutUrl);
return(null);
}
// if user id has been detected, check if we want to get user about too
if (includeUserAbout && avatarAnchor != null)
{
HtmlNode avatar = avatarAnchor.SelectSingleNode("img");
if (avatar != null)
{
// Get name and avatar
userInfo.DispayName = WebUtility.HtmlDecode(avatar.GetAttributeValue("alt", string.Empty));
userInfo.AvatarUrl = WebUtility.HtmlDecode(avatar.GetAttributeValue("src", string.Empty));
}
else
{
_logger.WriteLine("Img tag in avatar is null. Addition info : " + userAboutUrl);
}
}
// get user friend list if included
// at this step we do not need to check user id anymore
// if user id is null then we had return before.
if (includedFriendList)
{
var firstFriendPageUrl = "https://m.facebook.com/profile.php?v=friends&startindex=0&id=" + userInfo.Id;
userInfo.Friends = GetFriends(firstFriendPageUrl);
}
// all step have done
return(userInfo);
}
private List <string> getFriends(string friendPage)
{
var ctx = "_GetFriends";
// Declare list string to store user id
var friends = new List <string>();
// friendPage will be update each loop
// if there is no more friend page, this loop will be terminate.
while (true)
{
HtmlNode docNode = __BuildDomFromUrl(friendPage);
// Because selectNodes and SelectSingleNode method working incorrect.
// Both method working in entire document node rather than current node when we pass relative xpath expression.
// So, we maybe get more element than expect.
// E.g : Trying select table element with role=presentation in rootNode will search in entire document
// var friendTables1 = rootNode.SelectNodes("//table[@role='presentation']");
// If we only want to search in InnerHtml of current node, just load it to another HtmlDocument object
// Maybe isn't the best way to do our job. But at the moment, i think it still good.
HtmlNode rootNode = __BuildDomFromHtmlContent(docNode.SelectSingleNode("//div[@id='root']").InnerHtml);
HtmlNodeCollection friendAnchors =
rootNode.SelectNodes("//table[@role='presentation']/tr/td[2]/a") ??
rootNode.SelectNodes("//table[@role='presentation']/tbody/tr/td[2]/a");
if (friendAnchors == null)
{
Logger.WriteLine(ctx + ":friendAnchors:Maybe last page or xpath error");
Logger.WriteLine("\tMore details:");
Logger.WriteLine(ctx + "\t" + rootNode.InnerHtml + "\t" + "//table[@role='presentation']/tr/td[2]/a || //table[@role='presentation']/tbody/tr/td[2]/a");
return(friends);
}
// Loop through all node and trying to get user alias or id
foreach (HtmlNode friendAnchor in friendAnchors)
{
string id = string.Empty;
string userProfileHref = friendAnchor.GetAttributeValue("href", null);
if (userProfileHref != null)
{
if (!userProfileHref.Contains("profile.php"))
{
// if userProfileHref does't contain "profile.php", userProfileHref contain user alias.
// E.g : https://m.facebook.com:443/user.alias.here?fref=fr_tab&refid=17/about
int questionMarkIndex = userProfileHref.IndexOf("?");
if (questionMarkIndex > -1)
{
userProfileHref = userProfileHref.Substring(1, questionMarkIndex - 1);
}
else
{
userProfileHref = userProfileHref.Substring(1);
}
friends.Add(userProfileHref);
}
else
{
// Extract user id from href profile.php?id=user_id&fre...
// If extract not success then we need to log this error
Match match = CompiledRegex.Match(Pattern.UserId, userProfileHref);
if (match.Success)
{
friends.Add(match.Groups["id"].Value);
}
else
{
Logger.WriteLine("Match user id by CompiledRege.Match(UserId) is fail. Addition info : url=" + friendPage + " and user profile is " + userProfileHref);
}
}
}
else
{
// If we go to this code block, there are some case happend :
// - Our bot has been block by this user or facebook.
// - This is deleted user.
// - We need provide more pattern to detect user id
Logger.WriteLine(ctx + ":userProfileHref:Could not detect.");
Logger.WriteLine("\tMaybe our bot blocked by this user or FB, or this user " + friendAnchor.InnerText + " has been banned or our xpath does not match anymore");
Logger.WriteLine("\tLink : " + friendPage);
Logger.WriteLine("-------------");
}
}
// get more friend
HtmlNode moreFriend = rootNode.SelectSingleNode("//div[@id='m_more_friends']/a");
if (moreFriend == null)
{
Logger.WriteLine(ctx + ":moreFriend:No more friends page at : " + friendPage);
break;
}
var nextUrl = WebUtility.HtmlDecode(moreFriend.GetAttributeValue("href", string.Empty));
if (nextUrl != null)
{
friendPage = "https://m.facebook.com" + nextUrl;
}
else
{
Logger.WriteLine(".GetFriends");
Logger.WriteLine("\t\tNext Url is empty. Maybe this is last page.");
Logger.WriteLine("\t\tLink : " + friendPage);
// exit loop
break;
}
}
return(friends);
}
public UserInfo GetUserInfo(string userIdOrAlias, UserInfoOption option)
{
var ctx = "GetUserInfo";
if (string.IsNullOrWhiteSpace(userIdOrAlias))
{
throw new ArgumentException("userIdOrAlias must not null or empty.");
}
var userInfo = new UserInfo {
FBInfo = new FacebookInfo()
};
var userAboutUrl = string.Empty;
bool isUserId = !CompiledRegex.Match(Pattern.NonDigit, userIdOrAlias).Success;
if (isUserId)
{
userAboutUrl = "https://m.facebook.com/profile.php?v=info&id=" + userIdOrAlias;
userInfo.FBInfo.Id = userIdOrAlias;
}
else
{
userAboutUrl = "https://m.facebook.com/" + userIdOrAlias + "/about";
userInfo.FBInfo.Alias = userIdOrAlias;
}
HtmlNode htmlDom = __BuildDomFromUrl(userAboutUrl);
// Get avatar anchor tag :
// avatarAnchorElem contain avatar image source, user display name and maybe contain id.
// if userIdOrAlias is "me user" or "other users with animated avatar" then 1st xpath is wrong
// so we need to pick another anchor
HtmlNode avatarAnchor = htmlDom.SelectSingleNode("//div[@id='root']/div/div/div/div/div/a");
if (avatarAnchor == null || // FB change structure
avatarAnchor.InnerText == Localization.EditProfilePicture || // Me user
avatarAnchor.InnerText == Localization.AddProfilePicture) // Me user
{
// pick the second pattern
avatarAnchor = htmlDom.SelectSingleNode("//div[@id='root']/div/div/div/div/div/div/a");
}
else if ((avatarAnchor.SelectSingleNode("div/a/img") != null) ||
(avatarAnchor.PreviousSibling != null && avatarAnchor.PreviousSibling.SelectSingleNode("/a/img") != null))
{
HtmlNodeCollection anchors = avatarAnchor.SelectNodes("div/a");
if (anchors != null)
{
foreach (HtmlNode anchor in anchors)
{
if (anchor.SelectSingleNode("img") != null)
{
avatarAnchor = anchor;
break;
}
}
}
else
{
Logger.WriteLine(ctx + ":Empty avatar anchor node-001");
Logger.WriteLine("-------");
}
}
// Update 25-0802917
else
{
if (avatarAnchor.SelectSingleNode("img") == null)
{
Logger.WriteLine(ctx + ":Empty avatar anchor node-002");
Logger.WriteLine("-------");
}
}
// require user id
if (!isUserId && option.FbInfoOption.IncludeUserId)
{
Match idMatch = Match.Empty;
// trying get id from avatar href
var avatarHref = avatarAnchor.GetAttributeValue("href", null);
// If we found avatar href, we might using it to detect user id
if (avatarHref != null)
{
// There is 3 pattern to detect user id
// If both 3 pattern can not detect user id, return this url for detect later.
// /photo.php?fbid=704517456378829&id=100004617430839&...
// /profile/picture/view/?profile_id=100003877944061&...
// /story.php\?story_fbid=\d+&id=(?<id>\d+) for animate avatar
if ((idMatch = CompiledRegex.Match(Pattern.UserIdFromAvatar1, avatarHref)).Success ||
(idMatch = CompiledRegex.Match(Pattern.UserIdFromAvatar2, avatarHref)).Success ||
(idMatch = CompiledRegex.Match(Pattern.UserIdFromAvatar3, avatarHref)).Success)
{
userInfo.FBInfo.Id = idMatch.Groups["id"].Value;
}
}
// now avatarHref is null or we cannot detect user id from avatarHref
// so we need try another way
if (string.IsNullOrEmpty(userInfo.FBInfo.Id))
{
// Trying to detect user id from hyperlink :
// Timeline · Friends · Photos · Likes · Followers · Following · [Activity Log]
// NOTE :
// - Activity log only show in "Me users" about page
//
// Important : /div/div/div/a must select before /div/div/a. Do not swap SelectNodes order.
HtmlNodeCollection anchors = htmlDom.SelectNodes("//div[@id='root']/div/div/div/a")
?? htmlDom.SelectNodes("//div[@id='root']/div/div/a");
if (anchors != null && anchors.Count > 0)
{
foreach (HtmlNode anchor in anchors)
{
// Get and check hrefAttr and innerText
// If both of them have value then we can detect it using compiled pattern
string hrefAttr = anchor.GetAttributeValue("href", string.Empty);
string innerText = anchor.InnerText;
if (!string.IsNullOrWhiteSpace(innerText) &&
(idMatch = CompiledRegex.Match(innerText, hrefAttr)).Success)
{
userInfo.FBInfo.Id = idMatch.Groups["id"].Value;
break;
}
}
}
}
// Try another way if id still empty
if (string.IsNullOrEmpty(userInfo.FBInfo.Id))
{
// Step 3 :
// trying get uid from action button : Add Friend, Message, Follow, More
// I only select the 1st xpath,the second xpath will be check in the future.
HtmlNodeCollection btnHrefs = htmlDom.SelectNodes("//div[@id='root']/div/div/div/table/tr/td/a");
// ??htmlDom.SelectNodes("//div[@id='root']/div/div/div");
// If we found some button nodes :
// - Add Friend node if we does not add friend with this user
// - Message if this user allow we can send message to him/her
// - Follow if this user allow we can follow him/her and we not follow him/her before
// - More if we can see more about user - i guess
if (btnHrefs != null && btnHrefs.Count > 0)
{
foreach (var btnHref in btnHrefs)
{
// if href and innertext not null then we can trying detect user id by compiled regex
// NOTE :
// - Check CompiledRegex if you think it not correct anymore
// - Edit Key if you use another Language rather than English to access FB
string hrefAttr = btnHref.GetAttributeValue("href", string.Empty);
string innerText = btnHref.InnerText;
if (!string.IsNullOrWhiteSpace(innerText) &&
(idMatch = CompiledRegex.Match(innerText, hrefAttr)).Success)
{
userInfo.FBInfo.Id = idMatch.Groups["id"].Value;
break;
}
}
}
}
}
#region IncludeUserId
// id or alias [at least one]
if (option.FbInfoOption.IncludeUserId && string.IsNullOrWhiteSpace(userInfo.FBInfo.Id))
{
// Cause these are so many pattern to detect user id so we won't log each xpath to each file
// In stead, we need to log specify link and check all xpath later.
Logger.WriteLine(ctx + ": Require user id but user id empty");
Logger.WriteLine("\tLink: " + userAboutUrl);
Logger.WriteLine("-------------");
}
#endregion
#region IncludeAvatarUrl || IncludeUserDisplayName
// user name and avatar url [optional]
// check avatarAnchor is null or not -- fault tolerant -- cuz these info doesn't important
if ((option.FbInfoOption.IncludeAvatarUrl || option.FbInfoOption.IncludeUserDisplayName))
{
if (avatarAnchor != null)
{
// TODO: Avater node has been changed into Cover image photo
HtmlNode avatar = avatarAnchor.SelectSingleNode("img");
if (avatar != null)
{
// Get name and avatar
if (option.FbInfoOption.IncludeUserDisplayName)
{
userInfo.FBInfo.DisplayName = WebUtility.HtmlDecode(avatar.GetAttributeValue("alt", string.Empty));
}
if (option.FbInfoOption.IncludeAvatarUrl)
{
userInfo.FBInfo.AvatarUrl = WebUtility.HtmlDecode(avatar.GetAttributeValue("src", string.Empty));
}
}
else
{
Logger.WriteLine(ctx + "__" + avatarAnchor.InnerHtml + "__img");
}
}
else
{
Logger.WriteLine(ctx + ":IncludeAvatarUrl||IncludeUserDisplayName:Empty avatar anchor node");
Logger.WriteLine("----");
}
}
#endregion
#region IncludeAddressInfo
if (option.IncludeAddressInfo)
{
// livingNode contains information about City and HomeTown
HtmlNode livingNode = htmlDom.SelectSingleNode("//div[@id='living']");
if (livingNode != null)
{
// Notice: See Note 001
HtmlNodeCollection trNodes = __BuildDomFromHtmlContent(livingNode.InnerHtml).SelectNodes("//tr");
userInfo.Address = new AddressInfo();
foreach (var trNode in trNodes)
{
HtmlNodeCollection tds = trNode.SelectNodes("td");
// only get which td have 2 td
// td[0] is topic
// td[1] is value
if (tds == null && tds.Count != 2)
{
continue;
}
string value = string.Empty;
HtmlNode valueNode = null;
if (((valueNode = tds[1].SelectSingleNode("div/span/span")) != null) ||
((valueNode = tds[1].SelectSingleNode("div/span")) != null) ||
((valueNode = tds[1].SelectSingleNode("div/a")) != null) ||
((valueNode = tds[1].SelectSingleNode("div")) != null))
{
value = valueNode.InnerText;
// store address
if (tds[0].InnerText.Contains(Localization.CurrentCity))
{
userInfo.Address.City = value;
}
else if (tds[0].InnerText.Contains(Localization.HomeTown))
{
userInfo.Address.HomeTown = value;
}
}
else
{
Logger.WriteLine(ctx + ":IncludeAddressInfo:Could not detect value");
Logger.WriteLine("\tMore details:");
Logger.WriteLine(ctx + "\t" + tds[1].InnerHtml + "\t" + "div/span/span || div/span || div/a || div");
Logger.WriteLine("-------------");
}
}
}
else
{
Logger.WriteLine(ctx + "\t" + htmlDom.InnerHtml + "\t" + "//div[@id='living']");
}
}
#endregion
#region IncludeContactInfo
if (option.IncludeContactInfo)
{
userInfo.Contact = new ContactInfo();
HtmlNode contactInfo = htmlDom.SelectSingleNode("//div[@id='contact-info']");
if (contactInfo != null)
{
// extract local DOM
HtmlNodeCollection trNodes = __BuildDomFromHtmlContent(contactInfo.InnerHtml).SelectNodes("//tr");
foreach (var trNode in trNodes)
{
var tds = __BuildDomFromHtmlContent(trNode.InnerHtml).SelectNodes("//td");
if (tds == null || tds.Count != 2)
{
continue; // ignore
}
// get contact value
string value = string.Empty;
HtmlNode valueNode = null;
if ((valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/span/span")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/span")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/a")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div")) != null)
{
value = WebUtility.HtmlDecode(valueNode.InnerText);
// store contact
if (tds[0].InnerText.Contains("Mobile"))
{
userInfo.Contact.Mobile = value;
}
else if (tds[0].InnerText.Contains("Email"))
{
userInfo.Contact.Email = value;
}
else if (tds[0].InnerText.Contains("Websites"))
{
userInfo.Contact.Website = value;
}
}
else
{
Logger.WriteLine(ctx + ":IncludeContactInfo:Could not detect value");
Logger.WriteLine("\tMore details:");
Logger.WriteLine(ctx + "\t" + tds[1].InnerHtml + "\t" + "div/span/span || div/span || div/a || div");
Logger.WriteLine("-------------");
}
}
}
else
{
Logger.WriteLine(ctx + "\t" + htmlDom.InnerHtml + "\t" + "//div[@id='contact-info']");
}
}
#endregion
#region IncludeBasicInfo
if (option.IncludeBasicInfo)
{
userInfo.BasicInfo = new BasicInfo();
HtmlNode contactInfo = htmlDom.SelectSingleNode("//div[@id='basic-info']");
HtmlNodeCollection trNodes = __BuildDomFromHtmlContent(contactInfo.InnerHtml).SelectNodes("//tr");
foreach (var trNode in trNodes)
{
var tds = __BuildDomFromHtmlContent(trNode.InnerHtml).SelectNodes("//td");
if (tds == null || tds.Count != 2)
{
continue; // ignore
}
// get contact value
string value = string.Empty;
HtmlNode valueNode = null;
if ((valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/span/span")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/span")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div/a")) != null ||
(valueNode = __BuildDomFromHtmlContent(tds[1].InnerHtml).SelectSingleNode("//div")) != null)
{
value = valueNode.InnerText;
// store contact
if (tds[0].InnerText.Contains("Birthday"))
{
userInfo.BasicInfo.BirthDay = value;
}
else if (tds[0].InnerText.Contains("Gender"))
{
userInfo.BasicInfo.Gender = value;
}
else if (tds[0].InnerText.Contains("Interested In"))
{
userInfo.BasicInfo.InterestedIn = value;
}
else if (tds[0].InnerText.Contains("Languages"))
{
userInfo.BasicInfo.Languages = value;
}
else if (tds[0].InnerText.Contains("Religious Views"))
{
userInfo.BasicInfo.ReligiousViews = value;
}
else if (tds[0].InnerText.Contains("Political Views"))
{
userInfo.BasicInfo.PolictialViews = value;
}
}
else
{
Logger.WriteLine(ctx + ":IncludeBasicInfo:Could not detect value");
Logger.WriteLine("\tMore details:");
Logger.WriteLine(ctx + "\t" + tds[1].InnerHtml + "\t" + "div/span/span || div/span || div/a || div");
Logger.WriteLine("-------------");
}
}
}
#endregion
#region IncludeEduInfo
if (option.IncludeEduInfo)
{
// coming not soon
}
#endregion
#region IncludeRelationshipInfo
if (option.IncludeRelationshipInfo)
{
// not current ver
}
#endregion
#region IncludeWorkInfo
if (option.IncludeWorkInfo)
{
// not for current ver
}
#endregion
#region IncludeFbFriends
// get user friend list if included
// at this step we do not need to check user id anymore
// if user id is null then we had return before.
if (option.FbInfoOption.IncludeFbFriends)
{
if (string.IsNullOrWhiteSpace(userInfo.FBInfo.Id))
{
Logger.WriteLine(".GetUserInfo : Include FB Friends but User Id empty. No friends included.");
}
else
{
var friendPageUrl = "https://m.facebook.com/profile.php?v=friends&startindex=0&id=" + userInfo.FBInfo.Id;
userInfo.FBInfo.FbFriends = this.getFriends(friendPageUrl);
}
}
#endregion
// all step have done
return(userInfo);
}