View of /trunk/xmlrpc/modules/My/Chat.pm

    1 package My::Chat;
    2 
    3 my @messages;
    4 my %users;
    5 
    6 sub join {
    7   my $self = shift;
    8   my $class = ref($self) || $self;
    9   my $nick = shift      or die "User cannot join chat anonymously\n";
   10   !exists $users{$nick} or die "User '$nick' is already in chatroom. Choose another nick\n";
   11   $users{$nick} = time;
   12   my $messages = shift || 10;
   13   bless {
   14     _nick        => $nick,
   15     _users       => \%users,
   16     _messages    => \@messages,
   17     _lastmessage => ($#messages > $messages ? $#messages - $messages : -1),
   18   } => $class;
   19 }
   20 
   21 sub get {
   22   my $self = shift;
   23   my $nick = $self->{_nick};
   24   my @mess = grep {exists $users{$_->[0]} && $_->[0] ne $nick} @messages[($self->{_lastmessage}+1)..$#messages];
   25   $self->{_lastmessage} = $#messages;
   26   [@mess];
   27 }
   28 
   29 sub send {
   30   push @messages, [shift->{_nick} => shift, time];
   31   splice(@messages, 0, -12); # we'll keep only last 12 messages
   32 }
   33 
   34 sub whois { shift->{_users} }
   35 
   36 sub quit { my $self = shift; delete $self->{_users}->{$self->{_nick}} }
   37 
   38 sub DESTROY { shift->quit }
   39 
   40 1;