mirror of
https://github.com/pragma-/pbot.git
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556 lines
18 KiB
Perl
556 lines
18 KiB
Perl
# File: NickList.pm
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#
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# Purpose: Maintains lists of nicks currently present in channels.
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# Used to retrieve list of channels a nick is present in or to
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# determine if a nick is present in a channel.
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::NickList;
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use parent 'PBot::Class';
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use PBot::Imports;
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use Text::Levenshtein qw/fastdistance/;
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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use Time::HiRes qw/gettimeofday/;
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use Time::Duration qw/concise ago/;
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use Getopt::Long qw/GetOptionsFromArray/;
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sub initialize {
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my ($self, %conf) = @_;
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# nicklist hash
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$self->{nicklist} = {};
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# nicklist debug registry entry
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$self->{pbot}->{registry}->add_default('text', 'nicklist', 'debug', '0');
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# nicklist bot command
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$self->{pbot}->{commands}->register(sub { $self->cmd_nicklist(@_) }, "nicklist", 1);
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# handlers for various IRC events
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# TODO: track mode changes to update user flags
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# Update: turns out that IRCHandler's on_mode() is doing this already -- we need to make that
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# emit a mode-change event or some such and register a handler for it here.
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$self->{pbot}->{event_dispatcher}->register_handler('irc.namreply', sub { $self->on_namreply(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.join', sub { $self->on_join(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.part', sub { $self->on_part(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.quit', sub { $self->on_quit(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.kick', sub { $self->on_kick(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.nick', sub { $self->on_nickchange(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.public', sub { $self->on_activity(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.caction', sub { $self->on_activity(@_) });
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# handlers for the bot itself joining/leaving channels
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$self->{pbot}->{event_dispatcher}->register_handler('pbot.join', sub { $self->on_self_join(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('pbot.part', sub { $self->on_self_part(@_) });
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}
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sub cmd_nicklist {
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my ($self, $context) = @_;
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my $usage = "Usage: nicklist (<channel [nick]> | <nick>) [-sort <by>] [-hostmask] [-join]; -hostmask shows hostmasks instead of nicks; -join includes join time";
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my $getopt_error;
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local $SIG{__WARN__} = sub {
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$getopt_error = shift;
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chomp $getopt_error;
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};
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Getopt::Long::Configure("bundling_override");
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my $sort_method = 'nick';
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my $full_hostmask = 0;
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my $include_join = 0;
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my @args = $self->{pbot}->{interpreter}->split_line($context->{arguments}, strip_quotes => 1);
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GetOptionsFromArray(
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\@args,
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'sort|s=s' => \$sort_method,
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'hostmask|hm' => \$full_hostmask,
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'join|j' => \$include_join,
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);
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return "$getopt_error; $usage" if defined $getopt_error;
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return "Too many arguments -- $usage" if @args > 2;
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return $usage if @args == 0 or not length $args[0];
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my %sort = (
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'spoken' => sub {
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if ($_[1] eq '+') {
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return $_[0]->{$b}->{timestamp} <=> $_[0]->{$a}->{timestamp};
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} else {
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return $_[0]->{$a}->{timestamp} <=> $_[0]->{$b}->{timestamp};
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}
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},
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'join' => sub {
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if ($_[1] eq '+') {
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return $_[0]->{$b}->{join} <=> $_[0]->{$a}->{join};
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} else {
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return $_[0]->{$a}->{join} <=> $_[0]->{$b}->{join};
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}
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},
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'host' => sub {
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if ($_[1] eq '+') {
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return lc $_[0]->{$a}->{host} cmp lc $_[0]->{$b}->{host};
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} else {
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return lc $_[0]->{$b}->{host} cmp lc $_[0]->{$a}->{host};
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}
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},
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'nick' => sub {
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if ($_[1] eq '+') {
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return lc $_[0]->{$a}->{nick} cmp lc $_[0]->{$b}->{nick};
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} else {
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return lc $_[0]->{$b}->{nick} cmp lc $_[0]->{$a}->{nick};
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}
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},
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);
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my $sort_direction = '+';
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if ($sort_method =~ s/^(\+|\-)//) {
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$sort_direction = $1;
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}
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if (not exists $sort{$sort_method}) {
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return "Invalid sort method '$sort_method'; valid methods are: " . join(', ', sort keys %sort) . "; prefix with - to invert sort direction.";
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}
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# insert from channel as first argument if first argument is not a channel
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if ($args[0] !~ /^#/) {
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unshift @args, $context->{from};
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}
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# ensure channel has a nicklist
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if (not exists $self->{nicklist}->{lc $args[0]}) {
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return "No nicklist for channel $args[0].";
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}
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my $result;
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if (@args == 1) {
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# nicklist for a specific channel
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my $count = keys %{$self->{nicklist}->{lc $args[0]}};
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$result = "$count nick" . ($count == 1 ? '' : 's') . " in $args[0]:\n";
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foreach my $entry (sort { $sort{$sort_method}->($self->{nicklist}->{lc $args[0]}, $sort_direction) } keys %{$self->{nicklist}->{lc $args[0]}}) {
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if ($full_hostmask) {
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$result .= " $self->{nicklist}->{lc $args[0]}->{$entry}->{hostmask}";
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} else {
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$result .= " $self->{nicklist}->{lc $args[0]}->{$entry}->{nick}";
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}
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my $sep = ': ';
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if ($self->{nicklist}->{lc $args[0]}->{$entry}->{timestamp} > 0) {
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my $duration = concise ago (gettimeofday - $self->{nicklist}->{lc $args[0]}->{$entry}->{timestamp});
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$result .= "${sep}last spoken $duration";
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$sep = ', ';
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}
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if ($include_join and $self->{nicklist}->{lc $args[0]}->{$entry}->{join} > 0) {
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my $duration = concise ago (gettimeofday - $self->{nicklist}->{lc $args[0]}->{$entry}->{join});
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$result .= "${sep}joined $duration";
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$sep = ', ';
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}
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foreach my $key (sort keys %{$self->{nicklist}->{lc $args[0]}->{$entry}}) {
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next if grep { $key eq $_ } qw/nick user host join timestamp hostmask/;
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if ($self->{nicklist}->{lc $args[0]}->{$entry}->{$key} == 1) {
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$result .= "$sep$key";
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} else {
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$result .= "$sep$key => $self->{nicklist}->{lc $args[0]}->{$entry}->{$key}";
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}
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$sep = ', ';
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}
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$result .= "\n";
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}
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} else {
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# nicklist for a specific user
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if (not exists $self->{nicklist}->{lc $args[0]}->{lc $args[1]}) {
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return "No such nick $args[1] in channel $args[0].";
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}
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$result = "Nicklist information for $self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{hostmask} in $args[0]: ";
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my $sep = '';
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if ($self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{timestamp} > 0) {
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my $duration = concise ago (gettimeofday - $self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{timestamp});
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$result .= "last spoken $duration";
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$sep = ', ';
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}
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if ($self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{join} > 0) {
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my $duration = concise ago (gettimeofday - $self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{join});
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$result .= "${sep}joined $duration";
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$sep = ', ';
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}
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foreach my $key (sort keys %{$self->{nicklist}->{lc $args[0]}->{lc $args[1]}}) {
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next if grep { $key eq $_ } qw/nick user host join timestamp hostmask/;
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$result .= "$sep$key => $self->{nicklist}->{lc $args[0]}->{lc $args[1]}->{$key}";
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$sep = ', ';
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}
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$result .= 'no details' if $sep eq '';
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}
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return $result;
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}
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sub update_timestamp {
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my ($self, $channel, $nick) = @_;
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my $orig_nick = $nick;
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$channel = lc $channel;
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$nick = lc $nick;
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if (exists $self->{nicklist}->{$channel} and exists $self->{nicklist}->{$channel}->{$nick}) { $self->{nicklist}->{$channel}->{$nick}->{timestamp} = gettimeofday; }
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else {
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$self->{pbot}->{logger}->log("Adding nick '$orig_nick' to channel '$channel'\n") if $self->{pbot}->{registry}->get_value('nicklist', 'debug');
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$self->{nicklist}->{$channel}->{$nick} = {nick => $orig_nick, timestamp => scalar gettimeofday};
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}
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}
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sub remove_channel {
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my ($self, $channel) = @_;
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delete $self->{nicklist}->{lc $channel};
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}
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sub add_nick {
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my ($self, $channel, $nick) = @_;
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if (not exists $self->{nicklist}->{lc $channel}->{lc $nick}) {
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$self->{pbot}->{logger}->log("Adding nick '$nick' to channel '$channel'\n") if $self->{pbot}->{registry}->get_value('nicklist', 'debug');
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$self->{nicklist}->{lc $channel}->{lc $nick} = {nick => $nick, timestamp => 0};
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}
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}
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sub remove_nick {
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my ($self, $channel, $nick) = @_;
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$self->{pbot}->{logger}->log("Removing nick '$nick' from channel '$channel'\n") if $self->{pbot}->{registry}->get_value('nicklist', 'debug');
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delete $self->{nicklist}->{lc $channel}->{lc $nick};
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}
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sub get_channels {
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my ($self, $nick) = @_;
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$nick = lc $nick;
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my @channels;
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foreach my $channel (keys %{$self->{nicklist}}) {
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if (exists $self->{nicklist}->{$channel}->{$nick}) {
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push @channels, $channel;
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}
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}
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return \@channels;
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}
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sub get_nicks {
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my ($self, $channel) = @_;
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$channel = lc $channel;
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my @nicks;
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return @nicks if not exists $self->{nicklist}->{$channel};
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foreach my $nick (keys %{$self->{nicklist}->{$channel}}) {
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push @nicks, $self->{nicklist}->{$channel}->{$nick}->{nick};
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}
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return @nicks;
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}
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sub set_meta {
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my ($self, $channel, $nick, $key, $value) = @_;
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$channel = lc $channel;
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$nick = lc $nick;
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if (not exists $self->{nicklist}->{$channel} or not exists $self->{nicklist}->{$channel}->{$nick}) {
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if (exists $self->{nicklist}->{$channel} and $nick =~ m/[*?]/) {
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my $regex = quotemeta $nick;
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$regex =~ s/\\\*/.*?/g;
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$regex =~ s/\\\?/./g;
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my $found = 0;
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foreach my $n (keys %{$self->{nicklist}->{$channel}}) {
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if (exists $self->{nicklist}->{$channel}->{$n}->{hostmask} and $self->{nicklist}->{$channel}->{$n}->{hostmask} =~ m/$regex/i) {
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$self->{nicklist}->{$channel}->{$n}->{$key} = $value;
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$found++;
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}
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}
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return $found;
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} else {
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$self->{pbot}->{logger}->log("Nicklist: Attempt to set invalid meta ($key => $value) for $nick in $channel.\n");
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return 0;
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}
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}
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$self->{nicklist}->{$channel}->{$nick}->{$key} = $value;
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return 1;
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}
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sub delete_meta {
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my ($self, $channel, $nick, $key) = @_;
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$channel = lc $channel;
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$nick = lc $nick;
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if (not exists $self->{nicklist}->{$channel} or not exists $self->{nicklist}->{$channel}->{$nick} or not exists $self->{nicklist}->{$channel}->{$nick}->{$key}) {
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return undef;
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}
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return delete $self->{nicklist}->{$channel}->{$nick}->{$key};
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}
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sub get_meta {
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my ($self, $channel, $nick, $key) = @_;
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$channel = lc $channel;
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$nick = lc $nick;
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if (not exists $self->{nicklist}->{$channel} or not exists $self->{nicklist}->{$channel}->{$nick} or not exists $self->{nicklist}->{$channel}->{$nick}->{$key}) {
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return undef;
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}
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return $self->{nicklist}->{$channel}->{$nick}->{$key};
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}
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sub is_present_any_channel {
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my ($self, $nick) = @_;
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$nick = lc $nick;
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foreach my $channel (keys %{$self->{nicklist}}) {
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if (exists $self->{nicklist}->{$channel}->{$nick}) {
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return $self->{nicklist}->{$channel}->{$nick}->{nick};
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}
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}
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return 0;
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}
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sub is_present {
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my ($self, $channel, $nick) = @_;
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$channel = lc $channel;
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$nick = lc $nick;
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if (exists $self->{nicklist}->{$channel} and exists $self->{nicklist}->{$channel}->{$nick}) {
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return $self->{nicklist}->{$channel}->{$nick}->{nick};
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} else {
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return 0;
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}
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}
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sub is_present_similar {
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my ($self, $channel, $nick, $similarity) = @_;
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$channel = lc $channel;
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$nick = lc $nick;
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return 0 if not exists $self->{nicklist}->{$channel};
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return $self->{nicklist}->{$channel}->{$nick}->{nick} if $self->is_present($channel, $nick);
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if ($nick =~ m/(?:^\$|\s)/) {
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# not nick-like
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# TODO: why do we have this check? added log message to find out when/if it happens
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$self->{pbot}->{logger}->log("NickList::is_present_similiar [$channel] [$nick] is not nick-like?\n");
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return 0;
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}
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my $percentage;
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if (defined $similarity) {
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$percentage = $similarity;
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} else {
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$percentage = $self->{pbot}->{registry}->get_value('interpreter', 'nick_similarity') // 0.20;
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}
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my $now = gettimeofday;
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foreach my $person (sort { $self->{nicklist}->{$channel}->{$b}->{timestamp} <=> $self->{nicklist}->{$channel}->{$a}->{timestamp} } keys %{$self->{nicklist}->{$channel}}) {
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if ($now - $self->{nicklist}->{$channel}->{$person}->{timestamp} > 3600) {
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# if it has been 1 hour since this person has last spoken, the similar nick
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# is probably not intended for them.
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return 0;
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}
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my $distance = fastdistance($nick, $person);
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my $length = length $nick > length $person ? length $nick : length $person;
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if ($length != 0 && $distance / $length <= $percentage) {
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return $self->{nicklist}->{$channel}->{$person}->{nick};
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}
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}
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return 0;
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}
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sub random_nick {
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my ($self, $channel) = @_;
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$channel = lc $channel;
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if (exists $self->{nicklist}->{$channel}) {
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my $now = gettimeofday;
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# build list of nicks that have spoken within the last 2 hours
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my @nicks = grep { $now - $self->{nicklist}->{$channel}->{$_}->{timestamp} < 3600 * 2 } keys %{$self->{nicklist}->{$channel}};
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# pick a random nick from tha list
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my $nick = $nicks[rand @nicks];
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# return its canonical name
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return $self->{nicklist}->{$channel}->{$nick}->{nick};
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} else {
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return undef;
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}
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}
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sub on_namreply {
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my ($self, $event_type, $event) = @_;
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my ($channel, $nicks) = ($event->{event}->{args}[2], $event->{event}->{args}[3]);
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foreach my $nick (split ' ', $nicks) {
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my $stripped_nick = $nick;
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$stripped_nick =~ s/^[@+%]//g; # remove OP/Voice/etc indicator from nick
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$self->add_nick($channel, $stripped_nick);
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my ($account_id, $hostmask) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($stripped_nick);
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if (defined $hostmask) {
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my ($user, $host) = $hostmask =~ m/[^!]+!([^@]+)@(.*)/;
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$self->set_meta($channel, $stripped_nick, 'hostmask', $hostmask);
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$self->set_meta($channel, $stripped_nick, 'user', $user);
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$self->set_meta($channel, $stripped_nick, 'host', $host);
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}
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if ($nick =~ m/\@/) { $self->set_meta($channel, $stripped_nick, '+o', 1); }
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if ($nick =~ m/\+/) { $self->set_meta($channel, $stripped_nick, '+v', 1); }
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if ($nick =~ m/\%/) { $self->set_meta($channel, $stripped_nick, '+h', 1); }
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}
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return 0;
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}
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sub on_activity {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->{to}[0]);
|
|
|
|
$self->update_timestamp($channel, $nick);
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_join {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to);
|
|
|
|
$self->add_nick($channel, $nick);
|
|
|
|
$self->set_meta($channel, $nick, 'hostmask', "$nick!$user\@$host");
|
|
$self->set_meta($channel, $nick, 'user', $user);
|
|
$self->set_meta($channel, $nick, 'host', $host);
|
|
$self->set_meta($channel, $nick, 'join', gettimeofday);
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_part {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to);
|
|
|
|
$self->remove_nick($channel, $nick);
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_quit {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
my ($nick, $user, $host) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host);
|
|
|
|
foreach my $channel (keys %{$self->{nicklist}}) {
|
|
if ($self->is_present($channel, $nick)) {
|
|
$self->remove_nick($channel, $nick);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_kick {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
my ($nick, $channel) = ($event->{event}->to, $event->{event}->{args}[0]);
|
|
|
|
$self->remove_nick($channel, $nick);
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_nickchange {
|
|
my ($self, $event_type, $event) = @_;
|
|
my ($nick, $user, $host, $newnick) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->args);
|
|
|
|
foreach my $channel (keys %{$self->{nicklist}}) {
|
|
if ($self->is_present($channel, $nick)) {
|
|
my $meta = delete $self->{nicklist}->{$channel}->{lc $nick};
|
|
|
|
$meta->{nick} = $newnick;
|
|
$meta->{timestamp} = gettimeofday;
|
|
|
|
$self->{nicklist}->{$channel}->{lc $newnick} = $meta;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_self_join {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
$self->remove_channel($event->{channel}); # clear nicklist to remove any stale nicks before repopulating with namreplies
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub on_self_part {
|
|
my ($self, $event_type, $event) = @_;
|
|
|
|
$self->remove_channel($event->{channel});
|
|
|
|
return 0;
|
|
}
|
|
|
|
1;
|