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Matrix.vnext MUC support
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apaulus 2017-08-08, 18:26 #1
Member since Aug 2017 · 12 posts
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Subject: Matrix.vnext MUC support
Hi,

We want to try out the new Matrix.vnext library. Our application just needs to do two register clients, create MUC rooms and post some information in them.

We are looking for functionality which was present in the old Matrix library, such as

- MucManager.RequestRoomConfigurationAsync(roomJid)
- MucManager.SubmitRoomConfigurationAsync(roomJid, xForm)
- MucManager.EnterRoomAsync(roomJid, nickname)
- MucManager.ExitRoom(roomJid, nickname)

Can please you provide some sample code on how to achieve this with Matrix.vnext?

Keep up the good work  :-)
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Alex 2017-08-09, 00:41 #2
Member since Feb 2003 · 4449 posts · Location: Germany
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here is a MucManager helper class for MatriX vnext with the requested functionality.
Please let me know if this helps.

  1. using System;
  2. using System.Threading;
  3. using System.Threading.Tasks;
  4.  
  5. using Matrix;
  6. using Matrix.Xml;
  7. using Matrix.Xmpp.Client;
  8. using Matrix.Xmpp;
  9. using Matrix.Xmpp.Muc;
  10. using Matrix.Xmpp.Muc.Owner;
  11. using Matrix.Xmpp.XData;
  12. public class MucManager    {
  13.  
  14.     public MucManager(XmppClient xmppClient)
  15.     {
  16.         XmppClient = xmppClient;
  17.     }
  18.  
  19.     public XmppClient XmppClient { get; internal set; }
  20.  
  21.     public async Task<Iq> RequestRoomConfigurationAsync(Jid room)
  22.     {
  23.         var iq = new OwnerIq { Type = IqType.Get, To = room };
  24.         return await XmppClient.SendIqAsync(iq);
  25.     }
  26.  
  27.     public async Task<Iq> SubmitRoomConfigurationAsync(Jid room, Data xdata)
  28.     {
  29.         var iq = new OwnerIq { Type = IqType.Set, To = room, OwnerQuery = { XData = xdata } };
  30.         return await XmppClient.SendIqAsync(iq);
  31.     }
  32.  
  33.     public async Task<XmppXElement> EnterRoomAsync(Jid jid, string nick)
  34.     {
  35.         var createRoomStanza = CreateEnterRoomStanza(jid, nick, null, false, null);
  36.  
  37.         Func<XmppXElement, bool> predicate = e =>
  38.             e.OfType<Presence>()
  39.             && e.Cast<Presence>().From.Equals(jid, new BareJidComparer());
  40.  
  41.         return await XmppClient.SendAsync(createRoomStanza, predicate, 10000, CancellationToken.None);
  42.     }
  43.  
  44.     public async Task<XmppXElement> ExitRoomAsync(Jid jid, string nick)
  45.     {
  46.         var exitRoomStanza = CreateExitRoomStanza(jid, nick);
  47.  
  48.         Func<XmppXElement, bool> predicate = e =>
  49.             e.OfType<Presence>()
  50.             && e.Cast<Presence>().From.Equals(jid, new BareJidComparer());
  51.  
  52.         return await XmppClient.SendAsync(exitRoomStanza, predicate, 10000, CancellationToken.None);
  53.     }
  54.  
  55.     public Presence CreateEnterRoomStanza(Jid room, string nickname, string password = null, bool disableHistory = false, History history = null)
  56.     {          
  57.         var to = new Jid(room.ToString())
  58.         {
  59.             Resource = nickname
  60.         };
  61.  
  62.         var pres = new Presence
  63.         {
  64.             To = to
  65.         };
  66.  
  67.         var x = new X();
  68.         if (password != null)
  69.             x.Password = password;
  70.  
  71.         if (disableHistory)
  72.         {
  73.             var hist = new History { MaxCharacters = 0 };
  74.             x.History = hist;
  75.         }
  76.  
  77.         if (history != null)
  78.             x.History = history;
  79.  
  80.         pres.Add(x);
  81.  
  82.         return pres;
  83.     }
  84.  
  85.     public Presence CreateExitRoomStanza(Jid room, string nickname)
  86.     {
  87.         var to = new Jid(room.ToString())
  88.         {
  89.             Resource = nickname
  90.         };
  91.  
  92.         var pres = new Presence
  93.         {
  94.             To = to,
  95.             Type = PresenceType.Unavailable
  96.         };
  97.  
  98.         return pres;
  99.     }
  100. }

Alex
This post was edited on 2017-08-09, 00:53 by Alex.
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apaulus 2017-08-14, 18:48 #3
Member since Aug 2017 · 12 posts
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Thank you, this works like a charm :)
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