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TwitterProtocolManager.cs
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TwitterProtocolManager.cs
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// Smuxi - Smart MUltipleXed Irc
//
// Copyright (c) 2009-2013 Mirco Bauer <meebey@meebey.net>
//
// Full GPL License: <http://www.gnu.org/licenses/gpl.txt>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Net;
using System.Net.Security;
using System.Web;
using System.Security.Cryptography.X509Certificates;
using System.Threading;
using System.Collections.Generic;
using Twitterizer;
using Twitterizer.Core;
using Smuxi.Common;
namespace Smuxi.Engine
{
public enum TwitterChatType {
FriendsTimeline,
Replies,
DirectMessages
}
[ProtocolManagerInfo(Name = "Twitter", Description = "Twitter Micro-Blogging", Alias = "twitter")]
public class TwitterProtocolManager : ProtocolManagerBase
{
#if LOG4NET
private static readonly log4net.ILog f_Logger = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
#endif
static readonly string f_LibraryTextDomain = "smuxi-engine-twitter";
static readonly TextColor f_BlueTextColor = new TextColor(0x0000FF);
OAuthTokens f_OAuthTokens;
string f_RequestToken;
OptionalProperties f_OptionalProperties;
TwitterUser f_TwitterUser;
WebProxy f_WebProxy;
string f_Username;
ProtocolChatModel f_ProtocolChat;
Dictionary<string, PersonModel> f_Friends;
List<GroupChatModel> f_GroupChats = new List<GroupChatModel>();
GroupChatModel f_FriendsTimelineChat;
AutoResetEvent f_FriendsTimelineEvent = new AutoResetEvent(false);
Thread f_UpdateFriendsTimelineThread;
int f_UpdateFriendsTimelineInterval = 120;
decimal f_LastFriendsTimelineStatusID;
DateTime f_LastFriendsUpdate;
GroupChatModel f_RepliesChat;
Thread f_UpdateRepliesThread;
int f_UpdateRepliesInterval = 120;
decimal f_LastReplyStatusID;
GroupChatModel f_DirectMessagesChat;
AutoResetEvent f_DirectMessageEvent = new AutoResetEvent(false);
Thread f_UpdateDirectMessagesThread;
int f_UpdateDirectMessagesInterval = 120;
decimal f_LastDirectMessageReceivedStatusID;
decimal f_LastDirectMessageSentStatusID;
bool f_Listening;
bool f_IsConnected;
int ErrorResponseCount { get; set; }
const int MaxErrorResponseCount = 3;
public override string NetworkID {
get {
if (f_TwitterUser == null) {
return "Twitter";
}
return String.Format("Twitter/{0}", f_TwitterUser.ScreenName);
}
}
public override string Protocol {
get {
return "Twitter";
}
}
public override ChatModel Chat {
get {
return f_ProtocolChat;
}
}
protected bool HasTokens {
get {
return f_OAuthTokens != null &&
f_OAuthTokens.HasConsumerToken &&
f_OAuthTokens.HasAccessToken;
}
}
public TwitterProtocolManager(Session session) : base(session)
{
Trace.Call(session);
f_FriendsTimelineChat = new GroupChatModel(
TwitterChatType.FriendsTimeline.ToString(),
_("Home Timeline"),
this
);
f_FriendsTimelineChat.InitMessageBuffer(
MessageBufferPersistencyType.Volatile
);
f_FriendsTimelineChat.ApplyConfig(Session.UserConfig);
f_GroupChats.Add(f_FriendsTimelineChat);
f_RepliesChat = new GroupChatModel(
TwitterChatType.Replies.ToString(),
_("Replies"),
this
);
f_RepliesChat.InitMessageBuffer(
MessageBufferPersistencyType.Volatile
);
f_RepliesChat.ApplyConfig(Session.UserConfig);
f_GroupChats.Add(f_RepliesChat);
f_DirectMessagesChat = new GroupChatModel(
TwitterChatType.DirectMessages.ToString(),
_("Direct Messages"),
this
);
f_DirectMessagesChat.InitMessageBuffer(
MessageBufferPersistencyType.Volatile
);
f_DirectMessagesChat.ApplyConfig(Session.UserConfig);
f_GroupChats.Add(f_DirectMessagesChat);
}
public override void Connect(FrontendManager fm, ServerModel server)
{
Trace.Call(fm, server);
if (server == null) {
throw new ArgumentNullException("server");
}
f_Username = server.Username;
var proxySettings = new ProxySettings();
proxySettings.ApplyConfig(Session.UserConfig);
var twitterUrl = new OptionalProperties().APIBaseAddress;
var proxy = proxySettings.GetWebProxy(twitterUrl);
// HACK: Twitterizer will always use the system proxy if set to null
// so explicitely override this by setting an empty proxy
if (proxy == null) {
f_WebProxy = new WebProxy();
} else {
f_WebProxy = proxy;
}
f_OptionalProperties = CreateOptions<OptionalProperties>();
f_ProtocolChat = new ProtocolChatModel(NetworkID, "Twitter " + f_Username, this);
f_ProtocolChat.InitMessageBuffer(
MessageBufferPersistencyType.Volatile
);
f_ProtocolChat.ApplyConfig(Session.UserConfig);
Session.AddChat(f_ProtocolChat);
Session.SyncChat(f_ProtocolChat);
MessageBuilder builder;
if (proxy != null && proxy.Address != null) {
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(_("Using proxy: {0}:{1}"),
proxy.Address.Host,
proxy.Address.Port);
Session.AddMessageToChat(Chat, builder.ToMessage());
}
if (!server.ValidateServerCertificate) {
var whitelist = Session.CertificateValidator.HostnameWhitelist;
lock (whitelist) {
// needed for favicon
if (!whitelist.Contains("www.twitter.com")) {
whitelist.Add("www.twitter.com");
}
if (!whitelist.Contains("api.twitter.com")) {
whitelist.Add("api.twitter.com");
}
}
}
string msgStr = _("Connecting to Twitter...");
if (fm != null) {
fm.SetStatus(msgStr);
}
var msg = CreateMessageBuilder().
AppendEventPrefix().AppendText(msgStr).ToMessage();
Session.AddMessageToChat(Chat, msg);
try {
var key = GetApiKey();
f_OAuthTokens = new OAuthTokens();
f_OAuthTokens.ConsumerKey = key[0];
f_OAuthTokens.ConsumerSecret = key[1];
var password = server.Password ?? String.Empty;
var access = password.Split('|');
if (access.Length == 2) {
f_OAuthTokens.AccessToken = access[0];
f_OAuthTokens.AccessTokenSecret = access[1];
// verify access token
var options = CreateOptions<VerifyCredentialsOptions>();
var response = TwitterAccount.VerifyCredentials(
f_OAuthTokens, options
);
if (response.Result == RequestResult.Unauthorized) {
#if LOG4NET
f_Logger.Warn("Connect(): Invalid access token, " +
"re-authorization required");
#endif
f_OAuthTokens.AccessToken = null;
f_OAuthTokens.AccessTokenSecret = null;
}
}
if (!f_OAuthTokens.HasAccessToken) {
// new account or basic auth user that needs to be migrated
var reqToken = OAuthUtility.GetRequestToken(key[0], key[1],
"oob", f_WebProxy);
f_RequestToken = reqToken.Token;
var authUri = OAuthUtility.BuildAuthorizationUri(f_RequestToken);
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(_("Twitter authorization required."));
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
// TRANSLATOR: do NOT change the position of {0}!
builder.AppendText(
_("Please open the following URL and click " +
"\"Allow\" to allow Smuxi to connect to your " +
"Twitter account: {0}"),
String.Empty
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(" ");
builder.AppendUrl(authUri.AbsoluteUri);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(
_("Once you have allowed Smuxi to access your " +
"Twitter account, Twitter will provide a PIN.")
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(_("Please type: /pin PIN_FROM_TWITTER"));
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
}
} catch (Exception ex) {
#if LOG4NET
f_Logger.Error("Connect(): Exception", ex);
#endif
if (fm != null) {
fm.SetStatus(_("Connection failed!"));
}
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("Connection failed! Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToChat(Chat, msg);
return;
}
// twitter is sometimes pretty slow, so fetch this in the background
ThreadPool.QueueUserWorkItem(delegate {
try {
// FIXME: replace with AutoResetEvent
while (!HasTokens) {
Thread.Sleep(1000);
}
var message = _("Fetching user details from Twitter, please wait...");
msg = CreateMessageBuilder().
AppendEventPrefix().AppendText(message).ToMessage();
Session.AddMessageToChat(Chat, msg);
UpdateUser();
message = _("Finished fetching user details.");
msg = CreateMessageBuilder().
AppendEventPrefix().AppendText(message).ToMessage();
Session.AddMessageToChat(Chat, msg);
f_IsConnected = true;
message =_("Successfully connected to Twitter.");
if (fm != null) {
fm.UpdateNetworkStatus();
fm.SetStatus(message);
}
msg = CreateMessageBuilder().
AppendEventPrefix().AppendText(message).ToMessage();
Session.AddMessageToChat(Chat, msg);
f_Listening = true;
f_FriendsTimelineChat.PersonCount =
f_RepliesChat.PersonCount =
f_DirectMessagesChat.PersonCount = (int) f_TwitterUser.NumberOfFriends;
} catch (Exception ex) {
var message = _("Failed to fetch user details from Twitter. Reason: ");
#if LOG4NET
f_Logger.Error("Connect(): " + message, ex);
#endif
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(message + ex.Message).
ToMessage();
Session.AddMessageToChat(Chat, msg);
if (fm != null) {
fm.SetStatus(_("Connection failed!"));
}
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(_("Connection failed! Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToChat(Chat, msg);
}
});
ThreadPool.QueueUserWorkItem(delegate {
try {
// FIXME: replace with AutoResetEvent
// f_TwitterUser needed for proper self detection in the
// CreatePerson() method
while (!HasTokens || f_TwitterUser == null) {
Thread.Sleep(1000);
}
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendText(
_("Fetching friends from Twitter, please wait...")
).
ToMessage();
Session.AddMessageToChat(Chat, msg);
UpdateFriends();
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendText(_("Finished fetching friends.")).
ToMessage();
Session.AddMessageToChat(Chat, msg);
} catch (Exception ex) {
var message = _("Failed to fetch friends from Twitter. Reason: ");
#if LOG4NET
f_Logger.Error("Connect(): " + message, ex);
#endif
msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(message + ex.Message).
ToMessage();
Session.AddMessageToChat(Chat, msg);
}
});
OpenFriendsTimelineChat();
OpenRepliesChat();
OpenDirectMessagesChat();
}
public override void Reconnect(FrontendManager fm)
{
Trace.Call(fm);
}
public override void Disconnect(FrontendManager fm)
{
Trace.Call(fm);
f_Listening = false;
f_FriendsTimelineEvent.Set();
}
public override IList<GroupChatModel> FindGroupChats(GroupChatModel filter)
{
Trace.Call(filter);
return f_GroupChats;
}
public override void OpenChat(FrontendManager fm, ChatModel chat)
{
Trace.Call(fm, chat);
if (chat.ChatType == ChatType.Group) {
TwitterChatType twitterChatType = (TwitterChatType)
Enum.Parse(typeof(TwitterChatType), chat.ID);
switch (twitterChatType) {
case TwitterChatType.FriendsTimeline:
OpenFriendsTimelineChat();
break;
case TwitterChatType.Replies:
OpenRepliesChat();
break;
case TwitterChatType.DirectMessages:
OpenDirectMessagesChat();
break;
}
return;
}
OpenPrivateChat(chat.ID);
}
private void OpenFriendsTimelineChat()
{
ChatModel chat = Session.GetChat(
TwitterChatType.FriendsTimeline.ToString(),
ChatType.Group,
this
);
if (chat != null) {
return;
}
if (f_UpdateFriendsTimelineThread != null &&
f_UpdateFriendsTimelineThread.IsAlive) {
return;
}
// BUG: causes a race condition as the frontend syncs the
// unpopulated chat! So only add it if it's ready
//Session.AddChat(f_FriendsTimelineChat);
f_UpdateFriendsTimelineThread = new Thread(
new ThreadStart(UpdateFriendsTimelineThread)
);
f_UpdateFriendsTimelineThread.IsBackground = true;
f_UpdateFriendsTimelineThread.Name =
"TwitterProtocolManager friends timeline listener";
f_UpdateFriendsTimelineThread.Start();
}
private void OpenRepliesChat()
{
ChatModel chat = Session.GetChat(
TwitterChatType.Replies.ToString(),
ChatType.Group,
this
);
if (chat != null) {
return;
}
if (f_UpdateRepliesThread != null &&
f_UpdateRepliesThread.IsAlive) {
return;
}
// BUG: causes a race condition as the frontend syncs the
// unpopulated chat! So only add it if it's ready
//Session.AddChat(f_RepliesChat);
f_UpdateRepliesThread = new Thread(
new ThreadStart(UpdateRepliesThread)
);
f_UpdateRepliesThread.IsBackground = true;
f_UpdateRepliesThread.Name =
"TwitterProtocolManager replies listener";
f_UpdateRepliesThread.Start();
}
private void OpenDirectMessagesChat()
{
ChatModel chat = Session.GetChat(
TwitterChatType.DirectMessages.ToString(),
ChatType.Group,
this
);
if (chat != null) {
return;
}
if (f_UpdateDirectMessagesThread != null &&
f_UpdateDirectMessagesThread.IsAlive) {
return;
}
// BUG: causes a race condition as the frontend syncs the
// unpopulated chat! So only add it if it's ready
//Session.AddChat(f_DirectMessagesChat);
f_UpdateDirectMessagesThread = new Thread(
new ThreadStart(UpdateDirectMessagesThread)
);
f_UpdateDirectMessagesThread.IsBackground = true;
f_UpdateDirectMessagesThread.Name =
"TwitterProtocolManager direct messages listener";
f_UpdateDirectMessagesThread.Start();
}
private ChatModel OpenPrivateChat(string userId)
{
return OpenPrivateChat(Decimal.Parse(userId));
}
private ChatModel OpenPrivateChat(decimal userId)
{
ChatModel chat = Session.GetChat(
userId.ToString(),
ChatType.Person,
this
);
if (chat != null) {
return chat;
}
var response = TwitterUser.Show(f_OAuthTokens, userId,
f_OptionalProperties);
CheckResponse(response);
var user = response.ResponseObject;
PersonModel person = CreatePerson(user);
PersonChatModel personChat = new PersonChatModel(
person,
user.Id.ToString(),
user.ScreenName,
this
);
personChat.InitMessageBuffer(
MessageBufferPersistencyType.Volatile
);
personChat.ApplyConfig(Session.UserConfig);
Session.AddChat(personChat);
Session.SyncChat(personChat);
return personChat;
}
public override void CloseChat(FrontendManager fm, ChatModel chat)
{
Trace.Call(fm, chat);
if (chat.ChatType == ChatType.Group) {
TwitterChatType twitterChatType = (TwitterChatType)
Enum.Parse(typeof(TwitterChatType), chat.ID);
switch (twitterChatType) {
case TwitterChatType.FriendsTimeline:
if (f_UpdateFriendsTimelineThread != null &&
f_UpdateFriendsTimelineThread.IsAlive) {
f_UpdateFriendsTimelineThread.Abort();
}
break;
case TwitterChatType.Replies:
if (f_UpdateRepliesThread != null &&
f_UpdateRepliesThread.IsAlive) {
f_UpdateRepliesThread.Abort();
}
break;
case TwitterChatType.DirectMessages:
if (f_UpdateDirectMessagesThread != null &&
f_UpdateDirectMessagesThread.IsAlive) {
f_UpdateDirectMessagesThread.Abort();
}
break;
}
}
Session.RemoveChat(chat);
}
public override void SetPresenceStatus(PresenceStatus status,
string message)
{
Trace.Call(status, message);
// TODO: implement me
// should we send updates here?!?
}
public override bool Command(CommandModel command)
{
bool handled = false;
if (command.IsCommand) {
if (f_IsConnected) {
switch (command.Command) {
case "msg":
case "query":
CommandMessage(command);
handled = true;
break;
}
}
switch (command.Command) {
case "help":
CommandHelp(command);
handled = true;
break;
case "connect":
CommandConnect(command);
handled = true;
break;
case "pin":
CommandPin(command);
handled = true;
break;
}
} else {
if (f_IsConnected) {
CommandSay(command);
handled = true;
} else {
NotConnected(command);
handled = true;
}
}
return handled;
}
public override string ToString()
{
if (f_TwitterUser == null) {
return NetworkID;
}
return String.Format("{0} (Twitter)", f_TwitterUser.ScreenName);
}
public void CommandHelp(CommandModel cd)
{
var builder = CreateMessageBuilder();
// TRANSLATOR: this line is used as a label / category for a
// list of commands below
builder.AppendHeader(_("Twitter Commands"));
Session.AddMessageToFrontend(cd, builder.ToMessage());
string[] help = {
"connect twitter username",
"pin pin-number",
};
foreach (string line in help) {
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(line);
Session.AddMessageToFrontend(cd, builder.ToMessage());
}
}
public void CommandConnect(CommandModel cd)
{
var server = new ServerModel();
if (cd.DataArray.Length >= 3) {
server.Username = cd.DataArray[2];
} else {
NotEnoughParameters(cd);
return;
}
Connect(cd.FrontendManager, server);
}
public void CommandPin(CommandModel cd)
{
if (String.IsNullOrEmpty(cd.Parameter)) {
NotEnoughParameters(cd);
return;
}
var pin = cd.Parameter.Trim();
MessageBuilder builder;
if (String.IsNullOrEmpty(f_RequestToken)) {
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(_("No pending authorization request!"));
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
return;
}
var reqToken = f_RequestToken;
f_RequestToken = null;
var key = GetApiKey();
OAuthTokenResponse response;
try {
response = OAuthUtility.GetAccessToken(key[0], key[1],
reqToken, pin,
f_WebProxy);
} catch (Exception ex) {
#if LOG4NET
f_Logger.Error("CommandPin(): GetAccessToken() threw Exception!", ex);
#endif
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
// TRANSLATOR: {0} contains the reason of the failure
builder.AppendText(
_("Failed to authorize with Twitter: {0}"),
ex.Message
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(
_("Twitter did not accept your PIN. " +
"Did you enter it correctly?")
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(
_("Please retry by closing this tab and reconnecting to " +
"the Twitter \"{0}\" account."),
f_Username
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
// allow the user to re-enter the pin
// LAME: An incorrect PIN invalidates the request token!
//f_RequestToken = reqToken;
return;
}
#if LOG4NET
f_Logger.Debug("CommandPin(): retrieved " +
" AccessToken: " + response.Token +
" AccessTokenSecret: " + response.TokenSecret +
" ScreenName: " + response.ScreenName +
" UserId: " + response.UserId);
#endif
var servers = new ServerListController(Session.UserConfig);
var server = servers.GetServer(Protocol, response.ScreenName);
if (server == null) {
server = new ServerModel() {
Protocol = Protocol,
Network = String.Empty,
Hostname = response.ScreenName,
Username = response.ScreenName,
Password = String.Format("{0}|{1}", response.Token,
response.TokenSecret),
OnStartupConnect = true
};
servers.AddServer(server);
var obsoleteServer = servers.GetServer(Protocol, String.Empty);
if (obsoleteServer != null &&
obsoleteServer.Username.ToLower() == response.ScreenName.ToLower()) {
// found an old server entry for this user using basic auth
servers.RemoveServer(Protocol, String.Empty);
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(
_("Migrated Twitter account from basic auth to OAuth.")
);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
}
} else {
// update token
server.Password = String.Format("{0}|{1}", response.Token,
response.TokenSecret);
servers.SetServer(server);
}
servers.Save();
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendText(_("Successfully authorized Twitter account " +
"\"{0}\" for Smuxi"), response.ScreenName);
Session.AddMessageToChat(f_ProtocolChat, builder.ToMessage());
f_OAuthTokens.AccessToken = response.Token;
f_OAuthTokens.AccessTokenSecret = response.TokenSecret;
f_Username = response.ScreenName;
}
public void CommandSay(CommandModel cmd)
{
if (cmd.Chat.ChatType == ChatType.Group) {
TwitterChatType twitterChatType = (TwitterChatType)
Enum.Parse(typeof(TwitterChatType), cmd.Chat.ID);
switch (twitterChatType) {
case TwitterChatType.FriendsTimeline:
case TwitterChatType.Replies: {
try {
PostUpdate(cmd.Data);
} catch (Exception ex) {
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("Could not update status - Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToFrontend(cmd, msg);
}
break;
}
case TwitterChatType.DirectMessages: {
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("Cannot send message - no target specified. " +
"Use: /msg $nick message")).
ToMessage();
Session.AddMessageToFrontend(cmd, msg);
break;
}
}
} else if (cmd.Chat.ChatType == ChatType.Person) {
try {
SendMessage(cmd.Chat.Name, cmd.Data);
} catch (Exception ex) {
#if LOG4NET
f_Logger.Error(ex);
#endif
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("Could not send message - Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToFrontend(cmd, msg);
}
} else {
// ignore protocol chat
}
}
public void CommandMessage(CommandModel cmd)
{
string nickname;
if (cmd.DataArray.Length >= 2) {
nickname = cmd.DataArray[1];
} else {
NotEnoughParameters(cmd);
return;
}
var response = TwitterUser.Show(f_OAuthTokens, nickname,
f_OptionalProperties);
if (response.Result != RequestResult.Success) {
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(_("Could not send message - the " +
"specified user does not exist.")).
ToMessage();
Session.AddMessageToFrontend(cmd, msg);
return;
}
var user = response.ResponseObject;
var chat = OpenPrivateChat(user.Id);
if (cmd.DataArray.Length >= 3) {
string message = String.Join(" ", cmd.DataArray, 2, cmd.DataArray.Length-2);
try {
SendMessage(user.ScreenName, message);
} catch (Exception ex) {
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("Could not send message - Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToFrontend(cmd.FrontendManager, chat, msg);
}
}
}
public void CommandUnfollow(CommandModel cmd)
{
decimal userId;
if (cmd.DataArray.Length >= 2) {
userId = decimal.Parse(cmd.DataArray[1]);
} else {
NotEnoughParameters(cmd);
return;
}
var chat = cmd.Chat as GroupChatModel;
if (chat == null) {
return;
}
var userUnfollowResponse = TwitterFriendship.Delete(f_OAuthTokens, userId, f_OptionalProperties);
CheckResponse(userUnfollowResponse);
if (userUnfollowResponse.ResponseObject != null && !String.IsNullOrEmpty(userUnfollowResponse.ResponseObject.Name)) {
Session.RemovePersonFromGroupChat(chat, chat.GetPerson(userId.ToString ()));
}
}
public bool IsHomeTimeLine(ChatModel chatModel)
{
return chatModel.Equals(f_FriendsTimelineChat);
}
private List<TwitterStatus> SortTimeline(TwitterStatusCollection timeline)
{
List<TwitterStatus> sortedTimeline =
new List<TwitterStatus>(
timeline.Count
);
foreach (TwitterStatus status in timeline) {
sortedTimeline.Add(status);
}
sortedTimeline.Sort(
(a, b) => (a.CreatedDate.CompareTo(b.CreatedDate))
);
return sortedTimeline;
}
private List<TwitterDirectMessage> SortTimeline(TwitterDirectMessageCollection timeline)
{
var sortedTimeline = new List<TwitterDirectMessage>(timeline.Count);
foreach (TwitterDirectMessage msg in timeline) {
sortedTimeline.Add(msg);
}
sortedTimeline.Sort(
(a, b) => (a.CreatedDate.CompareTo(b.CreatedDate))
);
return sortedTimeline;
}
private void UpdateFriendsTimelineThread()
{
Trace.Call();
try {
// query the timeline only after we have fetched the user and friends
while (f_TwitterUser == null /*|| f_TwitterUser.IsEmpty*/ ||
f_Friends == null) {
Thread.Sleep(1000);
}
// populate friend list
lock (f_Friends) {
foreach (PersonModel friend in f_Friends.Values) {
f_FriendsTimelineChat.UnsafePersons.Add(friend.ID, friend);
}
}
Session.AddChat(f_FriendsTimelineChat);
Session.SyncChat(f_FriendsTimelineChat);
while (f_Listening) {
try {
UpdateFriendsTimeline();
} catch (TwitterizerException ex) {
CheckTwitterizerException(ex);
} catch (WebException ex) {
CheckWebException(ex);
}
// only poll once per interval or when we get fired
f_FriendsTimelineEvent.WaitOne(
f_UpdateFriendsTimelineInterval * 1000, false
);
}
} catch (ThreadAbortException) {
#if LOG4NET
f_Logger.Debug("UpdateFriendsTimelineThread(): thread aborted");
#endif
} catch (Exception ex) {
#if LOG4NET
f_Logger.Error("UpdateFriendsTimelineThread(): Exception", ex);
#endif
var msg = CreateMessageBuilder().
AppendEventPrefix().
AppendErrorText(
_("An error occurred while fetching the friends " +
"timeline from Twitter. Reason: {0}"),
ex.Message).
ToMessage();
Session.AddMessageToChat(Chat, msg);
} finally {
#if LOG4NET
f_Logger.Debug("UpdateFriendsTimelineThread(): finishing thread.");