public string GetAllChannels()
{
ServiceData sd = new ServiceData() { ResultType = "getAllChannels" };
try
{
GetSession();
//_sessionState.DeleteMessage();
//_sessionState.DeleteChannels();
if (AppCache.ChannelList.Count == 0)
AppCache.ChannelList = _sessionState.GetChannels().ToList();
if(sd.Result == null)
sd.Result = new List<string>();
if(AppCache.ChannelList.Count > 0)
sd.Result.AddRange(AppCache.ChannelList.Select(c => c.Name));
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message + Environment.NewLine + ex.StackTrace;
}
finally
{
SaveSession();
}
return JsonConvert.SerializeObject(sd);
}
public string DeletePost(string name, string password, string messageId)
{
ServiceData sd = new ServiceData() { ResultType = "deletePost" };
try
{
GetSession();
if (_sessionState.CurrentUser != null && _sessionState.CurrentUser.ChannelName.Contains(name))
{
Channel chan = _sessionState.GetChannel(name);
if (chan != null)
{
Message msg = AppCache.MessageList.Where(m => m.Id == messageId).FirstOrDefault();
if (msg == null)
msg = _sessionState.GetMessages().Where(m => m.Id == messageId).FirstOrDefault();
if (msg != null)
{
_sessionState.DeleteMessage(msg);
PublishToPubNub(name, sd, true);
}
}
}
else
{
Channel chan = _sessionState.GetChannel(name, password, pubnub);
if (chan != null)
{
}
}
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message;
}
finally
{
SaveSession();
}
return JsonConvert.SerializeObject(sd);
}
private void PublishToPubNub(string name, ServiceData sd, bool isRemove)
{
Message msg = sd.Result as Message;
if (msg != null)
{
List<dynamic> pubnubMessage = new List<dynamic>();
Dictionary<string, string> actionDict = new Dictionary<string, string>();
if(isRemove)
actionDict.Add("Action", "del");
else
actionDict.Add("Action", "add");
actionDict.Add("Channel", name);
pubnubMessage.Add(actionDict);
msg.PrivateData = null;
pubnubMessage.Add(msg);
List<object> publishResult = pubnub.Publish("NewMsgIn" + name, pubnubMessage);
}
}
public string RestoreSession()
{
ServiceData sd = new ServiceData() { ResultType = "restoreSession" };
try
{
GetSession();
if (_sessionState.CurrentUser != null && _sessionState.CurrentUser.ChannelName.Count > 0)
_restoreSession.GetUserChannels = _sessionState.CurrentUser.ChannelName;
sd.Result = _restoreSession;
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message;
}
finally
{
SaveSession();
}
return JsonConvert.SerializeObject(sd);
}
public string PostText(string name, string password, string message)
{
ServiceData sd = new ServiceData() { ResultType = "postText" };
try
{
GetSession();
sd.Result = PostContent(name, password, message, MessageTypes.Text);
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message;
}
finally
{
SaveSession();
}
PublishToPubNub(name, sd, false);
return JsonConvert.SerializeObject(sd);
}
public string JoinCreateChannel(string name, string password, int numberOfMessages)
{
ServiceData sd = new ServiceData() { ResultType = "joinCreateChannel" };
try
{
GetSession();
Channel chan = _sessionState.GetChannel(name, password, pubnub);
if (chan != null)
{
if (_sessionState.CurrentUser == null)
_sessionState.CurrentUser = new User() { Id = Guid.NewGuid(), ChannelName = new List<string>() };
if (!_sessionState.CurrentUser.ChannelName.Contains(name))
{
_sessionState.CurrentUser.ChannelName.Add(name);
}
_sessionState.GetChanMessages(chan, numberOfMessages);
sd.Result = new List<dynamic>();
sd.Result.Add(chan);
sd.Result.Add(AppCache.MessageList.Where(m => m.ChannelId == chan.Id).OrderBy(m => m.PrivateDateTime).Take(numberOfMessages).ToList());
if (_restoreSession.LastChannel == null)
_restoreSession.LastChannel = new List<dynamic>();
_restoreSession.LastChannel = sd.Result;
}
else
{
sd.IsError = true;
sd.ErrorMessage = "If create a new channel: channel exist." + Environment.NewLine + "If login to a channel: password not match.";
}
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message;
}
finally
{
SaveSession();
}
return JsonConvert.SerializeObject(sd);
}
public string GetUserChannel(string name)
{
ServiceData sd = new ServiceData() { ResultType = "getUserChannel" };
try
{
GetSession();
if (_sessionState.CurrentUser != null && _sessionState.CurrentUser.ChannelName.Contains(name))
{
Channel chan = _sessionState.GetChannel(name);
if (chan != null)
{
_sessionState.GetChanMessages(chan, 10);
sd.Result = new List<dynamic>();
sd.Result.Add(chan);
sd.Result.Add(AppCache.MessageList.Where(m => m.ChannelId == chan.Id).Take(10).ToList());
}
}
else
{
sd.IsError = true;
if (_sessionState.CurrentUser == null)
sd.ErrorMessage = "You are not login";
else if(!_sessionState.CurrentUser.ChannelName.Contains(name))
sd.ErrorMessage = "Login to the channel please";
}
if (_restoreSession.LastChannel == null)
_restoreSession.LastChannel = new List<dynamic>();
_restoreSession.LastChannel = sd.Result;
}
catch (Exception ex)
{
sd.IsError = true;
sd.ErrorMessage = ex.Message;
}
finally
{
SaveSession();
}
return JsonConvert.SerializeObject(sd);
}
