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pbot/lib/PBot/Plugin/Counter.pm
Pragmatic Software cd60ac9fc7 Update plugins to use subroutine signatures
2023-04-13 17:01:23 -07:00

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# File: Counter.pm
#
# Purpose: Counts occurrences of phrases or keywords. Can automatically
# respond about specific counters.
# SPDX-FileCopyrightText: 2016-2023 Pragmatic Software <pragma78@gmail.com>
# SPDX-License-Identifier: MIT
package PBot::Plugin::Counter;
use parent 'PBot::Plugin::Base';
use PBot::Imports;
use DBI;
use Time::Duration qw/duration/;
use Time::HiRes qw/gettimeofday/;
sub initialize($self, %conf) {
$self->{pbot}->{commands}->register(sub { $self->cmd_counteradd(@_) }, 'counteradd', 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_counterdel(@_) }, 'counterdel', 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_counterreset(@_) }, 'counterreset', 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_countershow(@_) }, 'countershow', 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_counterlist(@_) }, 'counterlist', 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_countertrigger(@_) }, 'countertrigger', 1);
$self->{pbot}->{capabilities}->add('admin', 'can-countertrigger', 1);
$self->{pbot}->{event_dispatcher}->register_handler('irc.public', sub { $self->on_public(@_) });
$self->{filename} = $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/counters.sqlite3';
$self->create_database;
}
sub unload($self) {
$self->{pbot}->{commands}->unregister('counteradd');
$self->{pbot}->{commands}->unregister('counterdel');
$self->{pbot}->{commands}->unregister('counterreset');
$self->{pbot}->{commands}->unregister('countershow');
$self->{pbot}->{commands}->unregister('counterlist');
$self->{pbot}->{commands}->unregister('countertrigger');
$self->{pbot}->{capabilities}->remove('can-countertrigger');
$self->{pbot}->{event_dispatcher}->remove_handler('irc.public');
}
sub create_database($self) {
eval {
$self->{dbh} = DBI->connect("dbi:SQLite:dbname=$self->{filename}", "", "", {RaiseError => 1, PrintError => 0, AutoInactiveDestroy => 1, sqlite_unicode => 1})
or die $DBI::errstr;
$self->{dbh}->do(<<SQL);
CREATE TABLE IF NOT EXISTS Counters (
channel TEXT,
name TEXT,
description TEXT,
timestamp NUMERIC,
created_on NUMERIC,
created_by TEXT,
counter NUMERIC
)
SQL
$self->{dbh}->do(<<SQL);
CREATE TABLE IF NOT EXISTS Triggers (
channel TEXT,
trigger TEXT,
target TEXT
)
SQL
$self->{dbh}->disconnect;
};
$self->{pbot}->{logger}->log("Counter create database failed: $@") if $@;
}
sub dbi_begin($self) {
eval { $self->{dbh} = DBI->connect("dbi:SQLite:dbname=$self->{filename}", "", "", {RaiseError => 1, PrintError => 0, AutoInactiveDestroy => 1}) or die $DBI::errstr; };
if ($@) {
$self->{pbot}->{logger}->log("Error opening Counters database: $@");
return 0;
} else {
return 1;
}
}
sub dbi_end($self) {
$self->{dbh}->disconnect;
}
sub add_counter($self, $owner, $channel, $name, $description) {
my ($desc, $timestamp) = $self->get_counter($channel, $name);
if (defined $desc) { return 0; }
eval {
my $sth = $self->{dbh}->prepare('INSERT INTO Counters (channel, name, description, timestamp, created_on, created_by, counter) VALUES (?, ?, ?, ?, ?, ?, ?)');
$sth->execute(
lc $channel,
lc $name,
$description,
scalar gettimeofday,
scalar gettimeofday,
$owner,
0,
);
};
if ($@) {
$self->{pbot}->{logger}->log("Add counter failed: $@");
return 0;
}
return 1;
}
sub reset_counter($self, $channel, $name) {
my ($description, $timestamp, $counter) = $self->get_counter($channel, $name);
if (not defined $description) { return (undef, undef); }
eval {
my $sth = $self->{dbh}->prepare('UPDATE Counters SET timestamp = ?, counter = ? WHERE channel = ? AND name = ?');
$sth->bind_param(1, scalar gettimeofday);
$sth->bind_param(2, ++$counter);
$sth->bind_param(3, lc $channel);
$sth->bind_param(4, lc $name);
$sth->execute();
};
if ($@) {
$self->{pbot}->{logger}->log("Reset counter failed: $@");
return (undef, undef);
}
return ($description, $timestamp);
}
sub delete_counter($self, $channel, $name) {
my ($description, $timestamp) = $self->get_counter($channel, $name);
if (not defined $description) { return 0; }
eval {
my $sth = $self->{dbh}->prepare('DELETE FROM Counters WHERE channel = ? AND name = ?');
$sth->bind_param(1, lc $channel);
$sth->bind_param(2, lc $name);
$sth->execute();
};
if ($@) {
$self->{pbot}->{logger}->log("Delete counter failed: $@");
return 0;
}
return 1;
}
sub list_counters($self, $channel) {
my $counters = eval {
my $sth = $self->{dbh}->prepare('SELECT name FROM Counters WHERE channel = ?');
$sth->bind_param(1, lc $channel);
$sth->execute();
return $sth->fetchall_arrayref();
};
if ($@) { $self->{pbot}->{logger}->log("List counters failed: $@"); }
return map { $_->[0] } @$counters;
}
sub get_counter($self, $channel, $name) {
my ($description, $time, $counter, $created_on, $created_by) = eval {
my $sth = $self->{dbh}->prepare('SELECT description, timestamp, counter, created_on, created_by FROM Counters WHERE channel = ? AND name = ?');
$sth->bind_param(1, lc $channel);
$sth->bind_param(2, lc $name);
$sth->execute();
my $row = $sth->fetchrow_hashref();
return ($row->{description}, $row->{timestamp}, $row->{counter}, $row->{created_on}, $row->{created_by});
};
if ($@) {
$self->{pbot}->{logger}->log("Get counter failed: $@");
return undef;
}
return ($description, $time, $counter, $created_on, $created_by);
}
sub add_trigger($self, $channel, $trigger, $target) {
my $exists = $self->get_trigger($channel, $trigger);
if (defined $exists) { return 0; }
eval {
my $sth = $self->{dbh}->prepare('INSERT INTO Triggers (channel, trigger, target) VALUES (?, ?, ?)');
$sth->bind_param(1, lc $channel);
$sth->bind_param(2, lc $trigger);
$sth->bind_param(3, lc $target);
$sth->execute();
};
if ($@) {
$self->{pbot}->{logger}->log("Add trigger failed: $@");
return 0;
}
return 1;
}
sub delete_trigger($self, $channel, $trigger) {
my $target = $self->get_trigger($channel, $trigger);
if (not defined $target) { return 0; }
my $sth = $self->{dbh}->prepare('DELETE FROM Triggers WHERE channel = ? AND trigger = ?');
$sth->bind_param(1, lc $channel);
$sth->bind_param(2, lc $trigger);
$sth->execute();
return 1;
}
sub list_triggers($self, $channel) {
my $triggers = eval {
my $sth = $self->{dbh}->prepare('SELECT trigger, target FROM Triggers WHERE channel = ?');
$sth->bind_param(1, lc $channel);
$sth->execute();
return $sth->fetchall_arrayref({});
};
if ($@) { $self->{pbot}->{logger}->log("List triggers failed: $@"); }
return @$triggers;
}
sub get_trigger($self, $channel, $trigger) {
my $target = eval {
my $sth = $self->{dbh}->prepare('SELECT target FROM Triggers WHERE channel = ? AND trigger = ?');
$sth->bind_param(1, lc $channel);
$sth->bind_param(2, lc $trigger);
$sth->execute();
my $row = $sth->fetchrow_hashref();
return $row->{target};
};
if ($@) {
$self->{pbot}->{logger}->log("Get trigger failed: $@");
return undef;
}
return $target;
}
sub cmd_counteradd($self, $context) {
return "Internal error." if not $self->dbi_begin;
my ($channel, $name, $description);
if ($context->{from} !~ m/^#/) {
($channel, $name, $description) = split /\s+/, $context->{arguments}, 3;
if (not defined $channel or not defined $name or not defined $description or $channel !~ m/^#/) {
return "Usage from private message: counteradd <channel> <name> <description>";
}
} else {
$channel = $context->{from};
($name, $description) = split /\s+/, $context->{arguments}, 2;
if (not defined $name or not defined $description) {
return "Usage: counteradd <name> <description>";
}
}
my $result;
if ($self->add_counter($context->{hostmask}, $channel, $name, $description)) {
$result = "Counter added.";
} else {
$result = "Counter '$name' already exists.";
}
$self->dbi_end;
return $result;
}
sub cmd_counterdel($self, $context) {
return "Internal error." if not $self->dbi_begin;
my ($channel, $name);
if ($context->{from} !~ m/^#/) {
($channel, $name) = split /\s+/, $context->{arguments}, 2;
if (not defined $channel or not defined $name or $channel !~ m/^#/) {
return "Usage from private message: counterdel <channel> <name>";
}
} else {
$channel = $context->{from};
($name) = split /\s+/, $context->{arguments}, 1;
if (not defined $name) { return "Usage: counterdel <name>"; }
}
my $result;
if ($self->delete_counter($channel, $name)) {
$result = "Counter removed.";
} else {
$result = "No such counter.";
}
$self->dbi_end;
return $result;
}
sub cmd_counterreset($self, $context) {
return "Internal error." if not $self->dbi_begin;
my ($channel, $name);
if ($context->{from} !~ m/^#/) {
($channel, $name) = split /\s+/, $context->{arguments}, 2;
if (not defined $channel or not defined $name or $channel !~ m/^#/) {
return "Usage from private message: counterreset <channel> <name>";
}
} else {
$channel = $context->{from};
($name) = split /\s+/, $context->{arguments}, 1;
if (not defined $name) { return "Usage: counterreset <name>"; }
}
my $result;
my ($description, $timestamp) = $self->reset_counter($channel, $name);
if (defined $description) {
my $ago = duration gettimeofday - $timestamp;
$result = "It had been $ago since $description.";
} else {
$result = "No such counter.";
}
$self->dbi_end;
return $result;
}
sub cmd_countershow($self, $context) {
return "Internal error." if not $self->dbi_begin;
my ($channel, $name);
if ($context->{from} !~ m/^#/) {
($channel, $name) = split /\s+/, $context->{arguments}, 2;
if (not defined $channel or not defined $name or $channel !~ m/^#/) {
return "Usage from private message: countershow <channel> <name>";
}
} else {
$channel = $context->{from};
($name) = split /\s+/, $context->{arguments}, 1;
if (not defined $name) { return "Usage: countershow <name>"; }
}
my $result;
my ($description, $timestamp, $counter, $created_on) = $self->get_counter($channel, $name);
if (defined $description) {
my $ago = duration gettimeofday - $timestamp;
$created_on = duration gettimeofday - $created_on;
$result = "It has been $ago since $description. It has been reset $counter time" . ($counter == 1 ? '' : 's') . " since its creation $created_on ago.";
} else {
$result = "No such counter.";
}
$self->dbi_end;
return $result;
}
sub cmd_counterlist($self, $context) {
return "Internal error." if not $self->dbi_begin;
my $channel;
if ($context->{from} !~ m/^#/) {
if (not length $context->{arguments} or $context->{arguments} !~ m/^#/) {
return "Usage from private message: counterlist <channel>";
}
$channel = $context->{arguments};
} else {
$channel = $context->{from};
}
my @counters = $self->list_counters($channel);
my $result;
if (not @counters) { $result = "No counters available for $channel."; }
else {
my $comma = '';
$result = "Counters for $channel: ";
foreach my $counter (sort @counters) {
$result .= "$comma$counter";
$comma = ', ';
}
}
$self->dbi_end;
return $result;
}
sub cmd_countertrigger($self, $context) {
return "Internal error." if not $self->dbi_begin;
my $command;
($command, $context->{arguments}) = split / /, $context->{arguments}, 2;
my ($channel, $result);
given ($command) {
when ('list') {
if ($context->{from} =~ m/^#/) {
$channel = $context->{from};
} else {
($channel) = split / /, $context->{arguments}, 1;
if ($channel !~ m/^#/) {
$self->dbi_end;
return "Usage from private message: countertrigger list <channel>";
}
}
my @triggers = $self->list_triggers($channel);
if (not @triggers) { $result = "No counter triggers set for $channel."; }
else {
$result = "Triggers for $channel: ";
my $comma = '';
foreach my $trigger (@triggers) {
$result .= "$comma$trigger->{trigger} -> $trigger->{target}";
$comma = ', ';
}
}
}
when ('add') {
if ($context->{from} =~ m/^#/) { $channel = $context->{from}; }
else {
($channel, $context->{arguments}) = split / /, $context->{arguments}, 2;
if ($channel !~ m/^#/) {
$self->dbi_end;
return "Usage from private message: countertrigger add <channel> <regex> <target>";
}
}
my ($trigger, $target) = split / /, $context->{arguments}, 2;
if (not defined $trigger or not defined $target) {
if ($context->{from} !~ m/^#/) {
$result = "Usage from private message: countertrigger add <channel> <regex> <target>";
} else {
$result = "Usage: countertrigger add <regex> <target>";
}
$self->dbi_end;
return $result;
}
my $exists = $self->get_trigger($channel, $trigger);
if (defined $exists) {
$self->dbi_end;
return "Trigger already exists.";
}
if ($self->add_trigger($channel, $trigger, $target)) {
$result = "Trigger added.";
} else {
$result = "Failed to add trigger.";
}
}
when ('delete') {
if ($context->{from} =~ m/^#/) { $channel = $context->{from}; }
else {
($channel, $context->{arguments}) = split / /, $context->{arguments}, 2;
if ($channel !~ m/^#/) {
$self->dbi_end;
return "Usage from private message: countertrigger delete <channel> <regex>";
}
}
my ($trigger) = split / /, $context->{arguments}, 1;
if (not defined $trigger) {
if ($context->{from} !~ m/^#/) { $result = "Usage from private message: countertrigger delete <channel> <regex>"; }
else { $result = "Usage: countertrigger delete <regex>"; }
$self->dbi_end;
return $result;
}
my $target = $self->get_trigger($channel, $trigger);
if (not defined $target) { $result = "No such trigger."; }
else {
$self->delete_trigger($channel, $trigger);
$result = "Trigger deleted.";
}
}
default { $result = "Usage: countertrigger <list/add/delete> [arguments]"; }
}
$self->dbi_end;
return $result;
}
sub on_public($self, $event_type, $event) {
my ($nick, $user, $host, $msg) = ($event->nick, $event->user, $event->host, $event->args);
my $channel = $event->{to}[0];
return 0 if $event->{interpreted};
if ($self->{pbot}->{ignorelist}->is_ignored($channel, "$nick!$user\@$host")) {
return 0;
}
if (not $self->dbi_begin) { return 0; }
my @triggers = $self->list_triggers($channel);
my $hostmask = "$nick!$user\@$host";
foreach my $trigger (@triggers) {
eval {
my $message;
if ($trigger->{trigger} =~ m/^\^/) {
$message = "$hostmask $msg";
} else {
$message = $msg;
}
my $silent = 0;
if ($trigger->{trigger} =~ s/:silent$//i) { $silent = 1; }
if ($message =~ m/$trigger->{trigger}/i) {
my ($desc, $timestamp) = $self->reset_counter($channel, $trigger->{target});
if (defined $desc) {
if (not $silent and gettimeofday - $timestamp >= 60 * 60) {
my $ago = duration gettimeofday - $timestamp;
$event->{conn}->privmsg($channel, "It had been $ago since $desc.");
}
}
}
};
if ($@) { $self->{pbot}->{logger}->log("Skipping bad trigger $trigger->{trigger}: $@"); }
}
$self->dbi_end;
return 0;
}
1;
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