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mirror of https://github.com/pragma-/pbot.git synced 2024-11-05 03:29:33 +01:00
pbot/Plugins/RemindMe.pm
Pragmatic Software 976bfcb5e7 Refactor commands to begin with cmd_ and take a $context object
Move all command subroutines closer to top of source file
Do not send WHO to non-chanop channels
Minor misc bugfixes and improvements
2020-05-04 13:21:35 -07:00

395 lines
12 KiB
Perl

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package Plugins::RemindMe;
use parent 'Plugins::Plugin';
use warnings; use strict;
use feature 'unicode_strings';
use feature 'switch';
no if $] >= 5.018, warnings => "experimental::smartmatch";
use DBI;
use Time::Duration qw/concise duration/;
use Time::HiRes qw/gettimeofday/;
use Getopt::Long qw(GetOptionsFromArray);
sub initialize {
my ($self, %conf) = @_;
$self->{pbot}->{commands}->register(sub { $self->cmd_remindme(@_) }, 'remindme', 0);
$self->{filename} = $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/reminders.sqlite3';
$self->dbi_begin;
$self->create_database;
$self->enqueue_reminders;
}
sub unload {
my $self = shift;
$self->dbi_end;
$self->{pbot}->{commands}->unregister('remindme');
$self->{pbot}->{timer}->dequeue_event('reminder .*');
}
sub enqueue_reminders {
my ($self) = @_;
return if not $self->{dbh};
my $reminders = eval {
my $sth = $self->{dbh}->prepare('SELECT * FROM Reminders');
$sth->execute;
return $sth->fetchall_arrayref({});
};
if ($@) {
$self->{pbot}->{logger}->log("Enqueue reminders failed: $@");
return;
}
foreach my $reminder (@$reminders) {
# delete this reminder if it's expired by 31 days
if (gettimeofday - $reminder->{alarm} >= 86400 * 31) {
$self->{pbot}->{logger}->log("Deleting expired reminder: $reminder->{id}) $reminder->{text} set by $reminder->{created_by}\n");
$self->delete_reminder($reminder->{id});
next;
}
my $timeout = $reminder->{alarm} - gettimeofday;
$timeout = 10 if $timeout < 10;
my $repeating = $reminder->{repeat};
$self->{pbot}->{timer}->enqueue_event(
sub {
my ($event) = @_;
$self->do_reminder($reminder->{id}, $event);
},
$timeout, "reminder $reminder->{id}", $repeating
);
}
}
sub create_database {
my $self = shift;
return if not $self->{dbh};
eval {
$self->{dbh}->do(<<SQL);
CREATE TABLE IF NOT EXISTS Reminders (
id INTEGER PRIMARY KEY,
account TEXT,
target TEXT,
text TEXT,
alarm NUMERIC,
repeat INTEGER,
duration NUMERIC,
created_on NUMERIC,
created_by TEXT
)
SQL
};
$self->{pbot}->{logger}->log("RemindMe: create database failed: $@") if $@;
}
sub dbi_begin {
my ($self) = @_;
eval {
$self->{dbh} = DBI->connect("dbi:SQLite:dbname=$self->{filename}", "", "", {RaiseError => 1, PrintError => 0, AutoInactiveDestroy => 1, sqlite_unicode => 1})
or die $DBI::errstr;
};
if ($@) {
$self->{pbot}->{logger}->log("Error opening RemindMe database: $@");
delete $self->{dbh};
return 0;
} else {
return 1;
}
}
sub dbi_end {
my ($self) = @_;
return if not $self->{dbh};
$self->{dbh}->disconnect;
delete $self->{dbh};
}
sub add_reminder {
my ($self, $account, $target, $text, $alarm, $duration, $repeat, $owner) = @_;
my $id = eval {
my $sth = $self->{dbh}->prepare('INSERT INTO Reminders (account, target, text, alarm, duration, repeat, created_on, created_by) VALUES (?, ?, ?, ?, ?, ?, ?, ?)');
$sth->execute($account, $target, $text, $alarm, $duration, $repeat, scalar gettimeofday, $owner);
return $self->{dbh}->sqlite_last_insert_rowid;
};
if ($@) {
$self->{pbot}->{logger}->log("Add reminder failed: $@");
return 0;
}
$self->{pbot}->{timer}->enqueue_event(
sub {
my ($event) = @_;
$self->do_reminder($id, $event);
},
$duration, "reminder $id", $repeat
);
return $id;
}
sub delete_reminder {
my ($self, $id) = @_;
return if not $self->{dbh};
eval {
my $sth = $self->{dbh}->prepare('DELETE FROM Reminders WHERE id = ?');
$sth->execute($id);
};
if ($@) {
$self->{pbot}->{logger}->log("Delete reminder $id failed: $@");
return 0;
}
$self->{pbot}->{timer}->dequeue_event("reminder $id");
return 1;
}
sub update_reminder {
my ($self, $id, $data) = @_;
eval {
my $sql = 'UPDATE Reminders SET ';
my $comma = '';
foreach my $key (keys %$data) {
$sql .= "$comma$key = ?";
$comma = ', ';
}
$sql .= ' WHERE id = ?';
my $sth = $self->{dbh}->prepare($sql);
my $param = 1;
foreach my $key (keys %$data) { $sth->bind_param($param++, $data->{$key}); }
$sth->bind_param($param++, $id);
$sth->execute();
};
$self->{pbot}->{logger}->log($@) if $@;
}
sub get_reminder {
my ($self, $id) = @_;
my $reminder = eval {
my $sth = $self->{dbh}->prepare('SELECT * FROM Reminders WHERE id = ?');
$sth->execute($id);
return $sth->fetchrow_hashref();
};
if ($@) {
$self->{pbot}->{logger}->log("Get reminder failed: $@");
return undef;
}
return $reminder;
}
sub get_reminders {
my ($self, $account) = @_;
my $reminders = eval {
my $sth = $self->{dbh}->prepare('SELECT * FROM Reminders WHERE account = ? ORDER BY id');
$sth->execute($account);
return $sth->fetchall_arrayref({});
};
if ($@) {
$self->{pbot}->{logger}->log("Get reminders failed: $@");
return [];
}
return $reminders;
}
sub do_reminder {
my ($self, $id, $event) = @_;
my $reminder = $self->get_reminder($id);
if (not defined $reminder) {
$self->{pbot}->{logger}->log("Queued reminder $id no longer exists.\n");
$event->{repeating} = 0;
return;
}
my $nick;
if (not defined $reminder->{target}) {
# ensures we get the current nick of the person
my $hostmask = $self->{pbot}->{messagehistory}->{database}->find_most_recent_hostmask($reminder->{account});
($nick) = $hostmask =~ /^([^!]+)!/;
# try again if the person isn't around yet
if (not $self->{pbot}->{nicklist}->is_present_any_channel($nick)) {
$event->{interval} = 300;
$event->{repeating} = 1;
return;
}
}
my $text = "Reminder: $reminder->{text}";
my $target = $reminder->{target} // $nick;
$self->{pbot}->{conn}->privmsg($target, $text);
$self->{pbot}->{logger}->log("Reminded $target about \"$text\"\n");
if ($reminder->{repeat} > 0) {
$reminder->{repeat}--;
$reminder->{alarm} = gettimeofday + $reminder->{duration};
my $data = { repeat => $reminder->{repeat}, alarm => $reminder->{alarm} };
$self->update_reminder($reminder->{id}, $data);
$event->{interval} = $reminder->{duration};
$event->{repeating} = 1;
} else {
$self->delete_reminder($reminder->{id});
$event->{repeating} = 0;
}
}
sub cmd_remindme {
my ($self, $context) = @_;
if (not $self->{dbh}) { return "Internal error."; }
my $usage = "Usage: remindme [-c channel] [-r count] message -t time | remindme -l [nick] | remindme -d id";
return $usage if not length $context->{arguments};
my ($target, $repeat, $text, $alarm, $list_reminders, $delete_id);
my $getopt_error;
local $SIG{__WARN__} = sub {
$getopt_error = shift;
chomp $getopt_error;
};
Getopt::Long::Configure("bundling");
my @opt_args = $self->{pbot}->{interpreter}->split_line($context->{arguments}, strip_quotes => 1);
GetOptionsFromArray(
\@opt_args,
'r:i' => \$repeat,
't:s' => \$alarm,
'c:s' => \$target,
'm:s' => \$text,
'l:s' => \$list_reminders,
'd:i' => \$delete_id
);
return "$getopt_error -- $usage" if defined $getopt_error;
if (defined $list_reminders) {
my $nick_override = $list_reminders if length $list_reminders;
my $account;
if ($nick_override) {
my $hostmask;
($account, $hostmask) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($nick_override);
if (not $account) { return "I don't know anybody named $nick_override."; }
($nick_override) = $hostmask =~ m/^([^!]+)!/;
} else {
$account = $self->{pbot}->{messagehistory}->{database}->get_message_account($context->{nick}, $context->{user}, $context->{host});
}
$account = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($account);
my $reminders = $self->get_reminders($account);
my $count = 0;
my $text = '';
my $now = scalar gettimeofday;
foreach my $reminder (@$reminders) {
my $duration = concise duration $reminder->{alarm} - $now;
$text .= "$reminder->{id}) [in $duration]";
$text .= " ($reminder->{repeat} repeats left)" if $reminder->{repeat};
$text .= " $reminder->{text}\n";
$count++;
}
if (not $count) {
if ($nick_override) { return "$nick_override has no reminders."; }
else { return "You have no reminders."; }
}
$reminders = $count == 1 ? 'reminder' : 'reminders';
return "$count $reminders: $text";
}
if ($delete_id) {
my $admininfo = $self->{pbot}->{users}->loggedin_admin($target ? $target : $context->{from}, $context->{hostmask});
# admins can delete any reminders (perhaps check admin levels against owner level?)
if ($admininfo) {
if (not $self->get_reminder($delete_id)) { return "Reminder $delete_id does not exist."; }
if ($self->delete_reminder($delete_id)) { return "Reminder $delete_id deleted."; }
else { return "Could not delete reminder $delete_id."; }
}
my $account = $self->{pbot}->{messagehistory}->{database}->get_message_account($context->{nick}, $context->{user}, $context->{host});
$account = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($account);
my $reminder = $self->get_reminder($delete_id);
if (not $reminder) { return "Reminder $delete_id does not exist."; }
if ($reminder->{account} != $account) { return "Reminder $delete_id does not belong to you."; }
if ($self->delete_reminder($delete_id)) { return "Reminder $delete_id deleted."; }
else { return "Could not delete reminder $delete_id."; }
}
$text = join ' ', @opt_args if not defined $text;
return "Please specify a point in time for this reminder." if not $alarm;
return "Please specify a reminder message." if not $text;
my $admininfo = $self->{pbot}->{users}->loggedin_admin($target ? $target : $context->{from}, $context->{hostmask});
if ($target) {
if (not defined $admininfo) { return "Only admins can create channel reminders."; }
if (not $self->{pbot}->{channels}->is_active($target)) { return "I'm not active in channel $target."; }
}
my ($length, $error) = $self->{pbot}->{parsedate}->parsedate($alarm);
return $error if $error;
if ($length > 31536000 * 10) { return "Come on now, I'll be dead by then."; }
if (not defined $admininfo and $length < 60) { return "Time must be a minimum of 60 seconds."; }
if (not defined $admininfo and $repeat > 10) { return "You may only set up to 10 repeats."; }
if ($repeat < 0) { return "Repeats must be 0 or greater."; }
$alarm = gettimeofday + $length;
my $account = $self->{pbot}->{messagehistory}->{database}->get_message_account($context->{nick}, $context->{user}, $context->{host});
$account = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($account);
if (not defined $admininfo) {
my $reminders = $self->get_reminders($account);
if (@$reminders >= 3) { return "You may only set 3 reminders at a time. Use `remindme -d id` to remove a reminder."; }
}
if (my $id = $self->add_reminder($account, $target, $text, $alarm, $length, $repeat, $context->{hostmask})) { return "Reminder $id added."; }
else { return "Failed to add reminder."; }
}
1;