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Refactor and polish Plugins/Remindme.pm

This commit is contained in:
Pragmatic Software 2021-06-23 20:03:30 -07:00
parent fec192ca69
commit 50c051ed56

View File

@ -1,3 +1,8 @@
# File: RemindMe.pm
#
# Purpose: Users can use `remindme` to set up reminders. Reminders are
# sent to the user (or channel, if -c and admin).
# 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/.
@ -9,25 +14,317 @@ use PBot::Imports;
use DBI;
use Time::Duration qw/concise duration/;
use Time::HiRes qw/gettimeofday/;
use Time::HiRes qw/time/;
use Getopt::Long qw(GetOptionsFromArray);
sub initialize {
my ($self, %conf) = @_;
# register `remindme` bot command
$self->{pbot}->{commands}->register(sub { $self->cmd_remindme(@_) }, 'remindme', 0);
# set location of sqlite database
$self->{filename} = $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/reminders.sqlite3';
# open the database
$self->dbi_begin;
# create tables, etc
$self->create_database;
# add saved reminders to event queue
$self->enqueue_reminders;
}
sub unload {
my $self = shift;
my ($self) = @_;
# close database
$self->dbi_end;
# unregister `remindme` command
$self->{pbot}->{commands}->unregister('remindme');
# remove all reminder events from event queue
$self->{pbot}->{event_queue}->dequeue_event('reminder .*');
}
# `remindme` bot command
sub cmd_remindme {
my ($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 $context->{arguments};
my ($channel, $repeats, $text, $alarm, $list_reminders, $delete_id);
my $getopt_error;
local $SIG{__WARN__} = sub {
$getopt_error = shift;
chomp $getopt_error;
};
my @opt_args = $self->{pbot}->{interpreter}->split_line($context->{arguments}, strip_quotes => 1);
Getopt::Long::Configure("bundling");
GetOptionsFromArray(
\@opt_args,
'r:i' => \$repeats,
't:s' => \$alarm,
'c:s' => \$channel,
'm:s' => \$text,
'l:s' => \$list_reminders,
'd:i' => \$delete_id
);
return "$getopt_error -- $usage" if defined $getopt_error;
# option -l was provided; list reminders
if (defined $list_reminders) {
my $nick_override = $list_reminders if length $list_reminders;
my $account;
if ($nick_override) {
my $hostmask;
# look up account id and hostmask by nickname
($account, $hostmask) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($nick_override);
if (not $account) {
return "I don't know anybody named $nick_override.";
}
# capture nick portion of hostmask
($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 = time;
foreach my $reminder (@$reminders) {
my $interval = concise duration $reminder->{alarm} - $now;
$text .= "$reminder->{id}) in $interval";
if ($reminder->{repeats}) {
$text .= " ($reminder->{repeats} repeat" . ($reminder->{repeats} == 1 ? '' : 's') . " left)";
}
$text .= ": $reminder->{text}\n";
$count++;
}
if (not $count) {
if ($nick_override) {
return "$nick_override has no reminders.";
} else {
return "You have no reminders.";
}
}
# reuse $reminders variable to store this text
$reminders = $count == 1 ? 'reminder' : 'reminders';
return "$count $reminders: $text";
}
# option -d was provided; delete a reminder
if ($delete_id) {
my $admininfo = $self->{pbot}->{users}->loggedin_admin($channel ? $channel : $context->{from}, $context->{hostmask});
# admins can delete any reminders
if ($admininfo) {
my $reminder = $self->get_reminder($delete_id);
if (not $reminder) {
return "Reminder $delete_id does not exist.";
}
if ($self->delete_reminder($delete_id)) {
return "Reminder $delete_id ($reminder->{text}) 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 $delete_id ($reminder->{text}) deleted.";
} else {
return "Could not delete reminder $delete_id.";
}
}
# otherwise we're adding a reminder
# if -t wasn't provided set text to ''
$text //= '';
# add to the reminder text anything left in the arguments
if (@opt_args) {
$text .= ' ' if length $text;
$text .= join ' ', @opt_args;
}
return "Please use -t to specify a time for this reminder." if not $alarm;
return "Please specify a reminder message." if not $text;
my $admininfo = $self->{pbot}->{users}->loggedin_admin($channel ? $channel : $context->{from}, $context->{hostmask});
# option -c was provided; ensure user is an admin and bot is in targeted channel
if ($channel) {
if (not defined $admininfo) {
return "Only admins can create channel reminders.";
}
if (not $self->{pbot}->{channels}->is_active($channel)) {
return "I'm not active in channel $channel.";
}
}
# parse "5 minutes", "next week", "3pm", etc into seconds
my ($seconds, $error) = $self->{pbot}->{parsedate}->parsedate($alarm);
return $error if $error;
if ($seconds > 31536000 * 10) {
return "Come on now, I'll be dead by then.";
}
# set repeats to 0 if option -r was not provided
$repeats //= 0;
# prevent non-admins from abusing repeat
if (not defined $admininfo and $repeats > 20) {
return "You may only set up to 20 repeats.";
}
if ($repeats < 0) {
return "Repeats must be 0 or greater.";
}
# set timestamp for alarm
$alarm = time + $seconds;
my $account = $self->{pbot}->{messagehistory}->{database}->get_message_account($context->{nick}, $context->{user}, $context->{host});
$account = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($account);
# limit maximum reminders for non-admin users
if (not defined $admininfo) {
my $reminders = $self->get_reminders($account);
if (@$reminders >= 50) {
return "You may only set 50 reminders at a time. Use `remindme -d id` to remove a reminder.";
}
}
my $id = $self->add_reminder(
account => $account,
channel => $channel,
text => $text,
alarm => $alarm,
interval => $seconds,
repeats => $repeats,
hostmask => $context->{hostmask},
);
if ($id) {
return "Reminder $id added.";
} else {
return "Failed to add reminder.";
}
}
# invoked whenever a reminder event is ready
sub do_reminder {
my ($self, $id, $event) = @_;
my $reminder = $self->get_reminder($id);
if (not defined $reminder) {
$self->{pbot}->{logger}->log("Queued reminder $id no longer exists.\n");
# unset `repeating` flag for event item in PBot event queue
$event->{repeating} = 0;
# nothing to do
return;
}
# nick of person being reminded
my $nick;
# ensure person is available to receive reminder
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 in 30 seconds if the person isn't around yet
if (not $self->{pbot}->{nicklist}->is_present_any_channel($nick)) {
$event->{interval} = 30;
$event->{repeating} = 1;
return;
}
}
# send reminder text to person
my $target = $reminder->{target} // $nick;
my $text = $reminder->{text};
# if sending reminder to channel, highlight person being reminded
if ($target =~ /^#/) {
$text = "$nick: $text";
}
$self->{pbot}->{conn}->privmsg($target, $reminder->{text});
# log event
$self->{pbot}->{logger}->log("Reminded $target about \"$reminder->{text}\"\n");
# update repeats or delete reminder
if ($reminder->{repeats} > 0) {
# update reminder
$reminder->{repeats}--;
$reminder->{alarm} = time + $reminder->{interval};
# update reminder in SQLite database
my $data = { repeats => $reminder->{repeats}, alarm => $reminder->{alarm} };
$self->update_reminder($reminder->{id}, $data);
# update reminder event in PBot event queue
$event->{interval} = $reminder->{interval};
$event->{repeating} = 1;
} else {
# delete reminder
$self->delete_reminder($reminder->{id});
$event->{repeating} = 0;
}
}
# load all reminders from SQLite database and add them
# to PBot's event queue. typically used once at PBot start-up.
sub enqueue_reminders {
my ($self) = @_;
@ -45,29 +342,28 @@ sub enqueue_reminders {
}
foreach my $reminder (@$reminders) {
my $timeout = $reminder->{alarm} - time;
# delete this reminder if it's expired by 31 days
if (gettimeofday - $reminder->{alarm} >= 86400 * 31) {
if ($timeout <= 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};
$self->{pbot}->{event_queue}->enqueue_event(
sub {
my ($event) = @_;
$self->do_reminder($reminder->{id}, $event);
},
$timeout, "reminder $reminder->{id}", $repeating
$timeout, "reminder $reminder->{id}", $reminder->{repeats}
);
}
}
sub create_database {
my $self = shift;
my ($self) = @_;
return if not $self->{dbh};
eval {
@ -78,8 +374,8 @@ CREATE TABLE IF NOT EXISTS Reminders (
target TEXT,
text TEXT,
alarm NUMERIC,
repeat INTEGER,
duration NUMERIC,
repeats INTEGER,
interval NUMERIC,
created_on NUMERIC,
created_by TEXT
)
@ -112,12 +408,24 @@ sub dbi_end {
delete $self->{dbh};
}
# add a reminder
sub add_reminder {
my ($self, $account, $target, $text, $alarm, $duration, $repeat, $owner) = @_;
my ($self, %args) = @_;
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);
my $sth = $self->{dbh}->prepare('INSERT INTO Reminders (account, target, text, alarm, interval, repeats, created_on, created_by) VALUES (?, ?, ?, ?, ?, ?, ?, ?)');
$sth->execute(
$args{account},
$args{target},
$args{text},
$args{alarm},
$args{interval},
$args{repeats},
scalar time,
$args{owner},
);
return $self->{dbh}->sqlite_last_insert_rowid;
};
@ -131,14 +439,16 @@ sub add_reminder {
my ($event) = @_;
$self->do_reminder($id, $event);
},
$duration, "reminder $id", $repeat
$args{interval}, "reminder $id", $args{repeats}
);
return $id;
}
# delete a reminder by its id
sub delete_reminder {
my ($self, $id) = @_;
return if not $self->{dbh};
eval {
@ -155,31 +465,38 @@ sub delete_reminder {
return 1;
}
# update a reminder's metadata
sub update_reminder {
my ($self, $id, $data) = @_;
eval {
my $sql = 'UPDATE Reminders SET ';
my $comma = '';
my @fields;
foreach my $key (keys %$data) {
$sql .= "$comma$key = ?";
$comma = ', ';
push @fields, "$key = ?";
}
$sql .= join ', ', @fields;
$sql .= ' WHERE id = ?';
my $sth = $self->{dbh}->prepare($sql);
my $param = 1;
foreach my $key (keys %$data) { $sth->bind_param($param++, $data->{$key}); }
foreach my $key (keys %$data) {
$sth->bind_param($param++, $data->{$key});
}
$sth->bind_param($param++, $id);
$sth->execute();
$sth->execute;
};
$self->{pbot}->{logger}->log($@) if $@;
}
# get a single reminder by its id
sub get_reminder {
my ($self, $id) = @_;
@ -193,9 +510,11 @@ sub get_reminder {
$self->{pbot}->{logger}->log("Get reminder failed: $@");
return undef;
}
return $reminder;
}
# get all reminders belonging to a user
sub get_reminders {
my ($self, $account) = @_;
@ -213,181 +532,4 @@ sub get_reminders {
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);
use Data::Dumper;
print "args: [$context->{arguments}]\n";
print Dumper \@opt_args;
GetOptionsFromArray(
\@opt_args,
'r:i' => \$repeat,
't:s' => \$alarm,
'c:s' => \$target,
'm:s' => \$text,
'l:s' => \$list_reminders,
'd:i' => \$delete_id
);
return "$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;