Class: Room

Inherits:
Object show all
Defined in:
lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb

Overview

Jabber::debug = true

Defined Under Namespace

Classes: RoomException

Instance Method Summary collapse

Constructor Details

#initialize(stream, name) ⇒ Room

Returns a new instance of Room.



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 21

def initialize(stream, name)
  @users = {}   # nick => jid
  @stream = stream
  @name = name
end

Instance Method Details

#broadcast(stanza) ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 118

def broadcast(stanza)
  x = stanza.class::import(stanza)
  @users.each { |nick,jid|
    x.to = jid
    @stream.send(x)
  }
end

#each_user(&block) ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 31

def each_user(&block)
  @users.each { |n,j| yield(n, j) }
end

#handle_message(msg) ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 35

def handle_message(msg)
  origin = msg.from
  msg.from = nil
  @users.each { |nick,jid|
    if jid == origin
      msg.from = Jabber::JID.new(@name.node, @name.domain, nick)
    end
  }
  unless msg.from.nil?
    broadcast(msg)
  end

  true
end

#handle_presence(pres) ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 50

def handle_presence(pres)
  reason = nil

  # Check if nick already registered
  @users.each { |nick,jid|
    if pres.from != jid && pres.to.resource == nick
      puts "#{pres.from} tried to use already active #{pres.to}"
      raise RoomException.new('conflict', "Nick already used")
    end
  }
  # New user?
  unless @users.has_key?(pres.to.resource)
    # Check nick length
    if pres.to.resource.size < 1
      puts "#{pres.from} tried to use empty nick"
      raise RoomException.new('not-acceptable', "Nick must contain characters")
    end

    # Push user-list
    userinfo = Jabber::Presence.import(pres)
    userinfo.to = pres.from
    userinfo.add(Jabber::XMUCUser.new).add(Jabber::XMUCUserItem.new(:none, :participant))
    print "Sending all users for #{pres.to} to #{pres.from}:"
    @users.each { |nick,jid|
      userinfo.from = Jabber::JID.new(@name.node, @name.domain, nick)
      print " #{nick} (#{jid})"
      @stream.send(userinfo)
    }
    puts " Ok"

    # Add the new user
    puts "Adding #{pres.from} as #{pres.to}"
    @users[pres.to.resource] = pres.from

    send_message("#{pres.to.resource} joins #{@name.node}")
    reason = "#{pres.to.resource} joins #{@name.node}"
  end

  # Remove dead rats
  if pres.type == :error || pres.type == :unavailable
    was_nick = nil
    @users.delete_if { |nick,jid|
      was_nick = nick
      jid == pres.from
    }
    unless was_nick.nil?
      send_message("#{was_nick} has left #{@name.node}")
      reason = "#{was_nick} has left #{@name.node}"
    end
  end

  # Advertise users presence to all
  puts "Advertising user to all"
  x = Jabber::XMUCUserItem.new(:none, :participant, pres.from)
  x.reason = reason
  pres.add(Jabber::XMUCUser.new).add(x)
  pres.from = pres.to
  broadcast(pres)
end

#num_users ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 27

def num_users
  @users.size
end

#send_message(body) ⇒ Object 



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# File 'lib/gems/xmpp4r-0.4/data/doc/xmpp4r/examples/advanced/minimuc.rb', line 110

def send_message(body)
  msg = Jabber::Message.new
  msg.from = Jabber::JID.new(@name.node, @name.domain, "")
  msg.type = :groupchat
  msg.body = body
  broadcast(msg)
end