Class: ChatCore

Inherits:
Object
  • Object
show all
Defined in:
lib/h2g_ajaxchat.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(debug: false) ⇒ ChatCore

Returns a new instance of ChatCore.



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# File 'lib/h2g_ajaxchat.rb', line 70

def initialize(debug: false)

  @debug = debug
  @messages = []
  @count = 0
  @users = {}
end

Instance Attribute Details

#messages ⇒ Object (readonly)

Returns the value of attribute messages.



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# File 'lib/h2g_ajaxchat.rb', line 68

def messages
  @messages
end

#users ⇒ Object (readonly)

Returns the value of attribute users.



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# File 'lib/h2g_ajaxchat.rb', line 68

def users
  @users
end

Instance Method Details

#append_message(t = Time.now, id = @session[:session_id].to_s, u = , msg) ⇒ Object 



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# File 'lib/h2g_ajaxchat.rb', line 137

def append_message(t=Time.now, id=@session[:session_id].to_s, 
                   u=@session[:username], msg)
      
  @users[id] = u.to_s    
  @messages << [t, id, u, msg]

end

#chatter(req, newmsg = nil) ⇒ Object 



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# File 'lib/h2g_ajaxchat.rb', line 86

def chatter(req, newmsg=nil)

  @session = req.session
  append_message(newmsg) if newmsg
  
  return '' if @messages.empty?

  c = @session[:last_id]


  pos = if c then

    last_msg = @messages.find {|x| x.object_id.to_i == c}            
    last_msg ? @messages.index(last_msg)  + 1 : @messages.length - 1

  else

    return '' unless newmsg
    @messages.length - 1
  end


  if @debug then
    puts 'pos: ' + pos.inspect
    puts '@messages: ' + @messages.inspect
  end    
  
  
  @session[:last_id] = @messages.last.object_id.to_i

  a = @messages[pos..-1].map do |t, id, u, msg|
  
    if block_given? then
      
      yield(t, id, u, msg)
      
    else
      
      s = "user%s: %s" % [id, msg]
      
      [t.strftime("%H:%M:%S"), s].join(' ')
    end
    
  end
                
  a.join("\n")

  
end

#login(req, username) ⇒ Object 



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# File 'lib/h2g_ajaxchat.rb', line 78

def (req, username)
  req.session[:username] = username
end

#logout(req) ⇒ Object 



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# File 'lib/h2g_ajaxchat.rb', line 82

def logout(req)
  req.session.clear
end