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3d97dc2c33
"Applet" is a much better name for the external command-line scripts and programs that can be loaded as PBot commands. They will no longer be confused with Perl modules. https://en.wikipedia.org/wiki/Applet
946 lines
26 KiB
Perl
946 lines
26 KiB
Perl
# File: DualIndexSQLiteObject.pm
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#
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# Purpose: Provides a dual-indexed SQLite object with an abstracted API that includes
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# setting and deleting values, caching, displaying nearest matches, etc. Designed to
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# be as compatible as possible with DualIndexHashObject; e.g. get_keys, get_data, etc.
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#
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# This class is ideal if you don't want to store all of the data in working memory.
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# Instead, the data is stored to and fetched from an SQLite database. To ensure
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# lightning fast performance, data that is accessed will be temporarily cached
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# in working memory. The caching TTL value can be adjusted via the
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# `dualindexsqliteobject.cache_timeout` registry entry.
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#
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# Since this class does not store all the data in working memory, it provides
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# iterator-based access via get_each, get_next and get_all.
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#
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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 lib4422::DualIndexSQLiteObject;
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use warnings;
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use strict;
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use feature ':5.16';
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use DBI;
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use Text::Levenshtein::XS qw(distance);
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sub new {
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my ($class, %args) = @_;
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Carp::croak("Missing pbot reference to " . __FILE__) unless exists $args{pbot};
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my $self = bless {}, $class;
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$self->{pbot} = delete $args{pbot};
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$self->initialize(%args);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->{name} = $conf{name} // 'Dual Index SQLite object';
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$self->{filename} = $conf{filename} // Carp::croak("Missing filename in " . __FILE__);
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$self->{dbh} = undef;
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$self->{cache} = {};
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$self->begin;
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}
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sub begin {
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my ($self) = @_;
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$self->{pbot}->{logger}->log("Opening $self->{name} database ($self->{filename})\n");
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$self->{dbh} = DBI->connect("dbi:SQLite:dbname=$self->{filename}", undef, undef,
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{ AutoCommit => 0, RaiseError => 1, PrintError => 0, AutoInactiveDestroy => 1, sqlite_unicode => 1 }
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) or die $DBI::errstr;
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}
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sub end {
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my ($self) = @_;
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$self->{pbot}->{logger}->log("Closing $self->{name} database ($self->{filename})\n");
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if (defined $self->{dbh}) {
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$self->{dbh}->commit;
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$self->{dbh}->disconnect;
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$self->{dbh} = undef;
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}
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}
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sub load {
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my ($self) = @_;
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$self->create_database;
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$self->create_cache;
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}
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sub save {
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my ($self) = @_;
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return if not $self->{dbh};
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eval { $self->{dbh}->commit };
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if ($@) {
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$self->{pbot}->{logger}->log("Error saving $self->{name}: $@");
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}
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}
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sub create_database {
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my ($self) = @_;
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eval {
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$self->{dbh}->do(<<SQL);
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CREATE TABLE IF NOT EXISTS Stuff (
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index1 TEXT COLLATE NOCASE,
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index2 TEXT COLLATE NOCASE
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)
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SQL
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$self->{dbh}->do('CREATE INDEX IF NOT EXISTS idx1 ON Stuff (index1, index2)');
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};
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$self->{pbot}->{logger}->log("Error creating $self->{name} databse: $@") if $@;
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}
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sub create_cache {
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my ($self) = @_;
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$self->{cache} = {};
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my ($index1_count, $index2_count) = (0, 0);
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foreach my $index1 ($self->get_keys(undef, undef, 1)) {
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my $lc_index1 = lc $index1;
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$index1_count++;
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foreach my $index2 ($self->get_keys($lc_index1, undef, 1)) {
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my $lc_index2 = lc $index2;
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$index2_count++;
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$self->{cache}->{$lc_index1}->{$lc_index2} = {};
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# _name contains original typographical case
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if ($index1 ne $lc_index1) {
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$self->{cache}->{$lc_index1}->{_name} = $index1;
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}
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if ($index2 ne $lc_index2) {
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$self->{cache}->{$lc_index1}->{$lc_index2}->{_name} = $index2;
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}
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}
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}
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$self->{pbot}->{logger}->log("Cached $index2_count $self->{name} objects in $index1_count groups.\n");
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}
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sub cache_remove {
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my ($self, $index1, $index2) = @_;
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if (not defined $index2) {
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# remove index1
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delete $self->{cache}->{$index1};
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} else {
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# remove index2
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delete $self->{cache}->{$index1}->{$index2};
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# remove index1 if it has no more keys left (aside from _name)
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if (not grep { $_ ne '_name' } keys %{$self->{cache}->{$index1}}) {
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delete $self->{cache}->{$index1};
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}
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}
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}
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sub enqueue_decache {
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my ($self, $index1, $index2) = @_;
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}
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sub create_metadata {
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my ($self, $columns) = @_;
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return if not $self->{dbh};
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$self->{columns} = $columns;
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eval {
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my %existing = ();
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foreach my $col (@{$self->{dbh}->selectall_arrayref("PRAGMA TABLE_INFO(Stuff)")}) {
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$existing{$col->[1]} = $col->[2];
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}
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foreach my $col (sort keys %$columns) {
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unless (exists $existing{$col}) {
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$self->{dbh}->do("ALTER TABLE Stuff ADD COLUMN \"$col\" $columns->{$col}");
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}
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}
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$self->{dbh}->commit;
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};
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if ($@) {
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$self->{pbot}->{logger}->log("Error creating metadata for $self->{name}: $@");
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$self->{dbh}->rollback;
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}
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}
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sub load_metadata {
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my ($self) = @_;
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return if not $self->{dbh};
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$self->{columns} = {};
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eval {
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my %existing = ();
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foreach my $col (@{$self->{dbh}->selectall_arrayref("PRAGMA TABLE_INFO(Stuff)")}) {
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$self->{columns}->{$col->[1]} = $col->[2];
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}
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};
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if ($@) {
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$self->{pbot}->{logger}->log("Error loading metadata for $self->{name}: $@");
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}
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}
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sub levenshtein_matches {
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my ($self, $index1, $index2, $distance, $strictnamespace) = @_;
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$index1 //= '.*';
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$distance //= 0.60;
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my $output = 'none';
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if (not $index2) {
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my @matches;
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my $length_a = length $index1;
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foreach my $index (sort $self->get_keys) {
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my $distance_result = distance($index1, $index, 20);
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next if not defined $distance_result;
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my $length_b = length $index;
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my $length = $length_a > $length_b ? $length_a : $length_b;
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if ($distance_result / $length < $distance) {
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my $name = $self->get_data($index, '_name');
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if ($name =~ / /) {
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push @matches, "\"$name\"";
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} else {
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push @matches, $name;
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}
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}
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}
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$output = join ', ', @matches;
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} else {
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if (not $self->exists($index1)) {
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return $output;
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}
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my %sections;
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my $section;
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my $length_a = length $index2;
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foreach my $i1 (sort $self->get_keys) {
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$section = $self->get_data($i1, '_name');
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$section = 'global' if $section eq '.*';
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if ($strictnamespace) {
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next unless $i1 eq '.*' or lc $i1 eq lc $index1;
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}
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foreach my $i2 (sort $self->get_keys($i1)) {
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my $distance_result = distance($index2, $i2, 20);
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next if not defined $distance_result;
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my $length_b = length $i2;
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my $length = $length_a > $length_b ? $length_a : $length_b;
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if ($distance_result / $length < $distance) {
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my $name = $self->get_data($i1, $i2, '_name');
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if ($name =~ / /) {
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push @{$sections{$section}}, "\"$name\"";
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} else {
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push @{$sections{$section}}, $name;
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}
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}
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}
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}
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$output = '';
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foreach $section (sort keys %sections) {
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$output .= "[$section] ";
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$output .= join ', ', @{$sections{$section}};
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$output .= '; ';
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}
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$output =~ s/; $//;
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}
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$output =~ s/(.*), /$1 or /;
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$output = 'none' if not length $output;
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return $output;
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}
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sub exists {
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my ($self, $index1, $index2, $data_index) = @_;
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return 0 if not defined $index1;
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$index1 = lc $index1;
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return 0 if not grep { $_ eq $index1 } $self->get_keys;
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return 1 if not defined $index2;
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$index2 = lc $index2;
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return 0 if not grep { $_ eq $index2 } $self->get_keys($index1);
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return 1 if not defined $data_index;
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return defined $self->get_data($index1, $index2, $data_index);
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}
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sub get_keys {
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my ($self, $index1, $index2, $nocache) = @_;
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my @keys;
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if (not defined $index1) {
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if (not $nocache) {
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return keys %{$self->{cache}};
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}
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@keys = eval {
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my $context = $self->{dbh}->selectall_arrayref('SELECT DISTINCT index1 FROM Stuff');
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if (@$context) {
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return map { $_->[0] } @$context;
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} else {
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return ();
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}
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};
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if ($@) {
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$self->{pbot}->{logger}->log($@);
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return undef;
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}
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return @keys;
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}
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$index1 = lc $index1;
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if (not defined $index2) {
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if (not $nocache) {
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return grep { $_ ne '_name' } keys %{$self->{cache}->{$index1}};
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}
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@keys = eval {
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my $sth = $self->{dbh}->prepare('SELECT index2 FROM Stuff WHERE index1 = ?');
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$sth->execute($index1);
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my $context = $sth->fetchall_arrayref;
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if (@$context) {
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return map { $_->[0] } @$context;
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} else {
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return ();
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}
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};
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if ($@) {
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$self->{pbot}->{logger}->log($@);
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return ();
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}
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return @keys;
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}
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$index2 = lc $index2;
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if (not $nocache) {
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@keys = grep { $_ ne '_name' } keys %{$self->{cache}->{$index1}->{$index2}};
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return @keys if @keys;
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}
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@keys = eval {
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my $sth = $self->{dbh}->prepare('SELECT * FROM Stuff WHERE index1 = ? AND index2 = ?');
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$sth->execute($index1, $index2);
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my $context = $sth->fetchall_arrayref({});
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my @k = ();
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return @k if not @{$context};
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my ($lc_index1, $lc_index2) = (lc $index1, lc $index2);
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foreach my $key (keys %{$context->[0]}) {
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next if $key eq 'index1' or $key eq 'index2';
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push @k, $key if defined $context->[0]->{$key};
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$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = $context->[0]->{$key};
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}
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$self->enqueue_decache($lc_index1, $lc_index2);
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return @k;
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};
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if ($@) {
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$self->{pbot}->{logger}->log($@);
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return ();
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}
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return @keys;
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}
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sub get_each {
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my ($self, @opts) = @_;
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my $sth = eval {
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my $sql = 'SELECT ';
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my @keys = ();
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my @values = ();
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my @where = ();
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my @sort = ();
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my $everything = 0;
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foreach my $expr (@opts) {
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my ($key, $op, $value) = $expr =~ /(.*?)\s+([!~=<>]+)\s+(.*)/;
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if (not defined $key) {
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$key = $expr;
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}
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if ($key eq '_everything') {
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$everything = 1;
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push @keys, '*';
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next;
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}
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if ($key eq '_sort') {
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if ($value =~ s/^\-//) {
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push @sort, "$value DESC";
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} else {
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$value =~ s/^\+//; # optional
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push @sort, "$value ASC";
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}
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next;
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}
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if (defined $op) {
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my $prefix = 'AND';
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if ($op eq '=' or $op eq '==') {
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$op = '=';
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} elsif ($op eq '!=' or $op eq '<>') {
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$op = '!=';
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} elsif ($op eq '~' or $op eq '~~') {
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$op = 'LIKE';
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}
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if ($key =~ s/^(OR|AND)\s+//) {
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$prefix = $1;
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}
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$prefix = '' if not @where;
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push @where, [ $prefix, $key, $op ];
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push @values, $value;
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}
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push @keys, $key unless $everything or grep { $_ eq $key } @keys;
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}
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$sql .= join ', ', @keys;
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$sql .= ' FROM Stuff WHERE';
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my $in_or = 0;
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for (my $i = 0; $i < @where; $i++) {
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my ($prefix, $key, $op) = @{$where[$i]};
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my ($next_prefix, $next_key) = ('', '');
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if ($i < @where - 1) {
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($next_prefix, $next_key) = @{$where[$i + 1]};
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}
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if ($next_prefix eq 'OR' and $next_key eq $key) {
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$sql .= "$prefix ";
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$sql .= '(' if not $in_or;
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$sql .= "\"$key\" $op ? ";
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$in_or = 1;
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} else {
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$sql .= "$prefix \"$key\" $op ? ";
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if ($in_or) {
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$sql .= ') ';
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$in_or = 0;
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}
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}
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}
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$sql .= ')' if $in_or;
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$sql .= ' ORDER BY ' . join(', ', @sort) if @sort;
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my $sth = $self->{dbh}->prepare($sql);
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my $param = 0;
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foreach my $value (@values) {
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$sth->bind_param(++$param, $value);
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}
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$sth->execute;
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return $sth;
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};
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if ($@) {
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$self->{pbot}->{logger}->log("Error getting data: $@");
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return undef;
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}
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return $sth;
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}
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sub get_next {
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my ($self, $sth) = @_;
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my $data = eval {
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return $sth->fetchrow_hashref;
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};
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if ($@) {
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$self->{pbot}->{logger}->log("Error getting next: $@");
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return undef;
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}
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return $data;
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}
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sub get_all {
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my ($self, @opts) = @_;
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my $sth = $self->get_each(@opts);
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my $data = eval {
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return $sth->fetchall_arrayref({});
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};
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if ($@) {
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$self->{pbot}->{logger}->log("Error getting all data: $@\n");
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return undef;
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}
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return @$data;
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}
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sub get_key_name {
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my ($self, $index1, $index2) = @_;
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my $lc_index1 = lc $index1;
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|
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if (not exists $self->{cache}->{$lc_index1}) {
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return $lc_index1;
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}
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|
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if (not defined $index2) {
|
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if (exists $self->{cache}->{$lc_index1}->{_name}) {
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return $self->{cache}->{$lc_index1}->{_name};
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} else {
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return $lc_index1;
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}
|
|
}
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|
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my $lc_index2 = lc $index2;
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|
|
if (not exists $self->{cache}->{$lc_index1}->{$lc_index2}) {
|
|
return $lc_index2;
|
|
}
|
|
|
|
if (exists $self->{cache}->{$lc_index1}->{$lc_index2}->{_name}) {
|
|
return $self->{cache}->{$lc_index1}->{$lc_index2}->{_name};
|
|
} else {
|
|
return $lc_index2;
|
|
}
|
|
}
|
|
|
|
sub get_data {
|
|
my ($self, $index1, $index2, $data_index) = @_;
|
|
|
|
my $lc_index1 = lc $index1;
|
|
my $lc_index2 = lc $index2;
|
|
|
|
if (not exists $self->{cache}->{$lc_index1}) {
|
|
return undef;
|
|
}
|
|
|
|
if (not exists $self->{cache}->{$lc_index1}->{$lc_index2} and $lc_index2 ne '_name') {
|
|
return undef;
|
|
}
|
|
|
|
if (not defined $data_index) {
|
|
# special case for compatibility with DualIndexHashObject
|
|
if ($lc_index2 eq '_name') {
|
|
if (exists $self->{cache}->{$lc_index1}->{_name}) {
|
|
return $self->{cache}->{$lc_index1}->{_name};
|
|
} else {
|
|
return $lc_index1;
|
|
}
|
|
}
|
|
|
|
my $data = eval {
|
|
my $sth = $self->{dbh}->prepare('SELECT * FROM Stuff WHERE index1 = ? AND index2 = ?');
|
|
$sth->execute($index1, $index2);
|
|
my $context = $sth->fetchall_arrayref({});
|
|
|
|
my $d = {};
|
|
|
|
foreach my $key (keys %{$context->[0]}) {
|
|
next if $key eq 'index1' or $key eq 'index2';
|
|
|
|
if (defined $context->[0]->{$key}) {
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = $context->[0]->{$key};
|
|
$d->{$key} = $context->[0]->{$key};
|
|
}
|
|
}
|
|
|
|
$self->enqueue_decache($lc_index1, $lc_index2);
|
|
|
|
return $d;
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error getting data for ($index1, $index2): $@\n");
|
|
return undef;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
# special case for compatibility with DualIndexHashObject
|
|
if ($data_index eq '_name') {
|
|
if (exists $self->{cache}->{$lc_index1}->{$lc_index2}->{_name}) {
|
|
return $self->{cache}->{$lc_index1}->{$lc_index2}->{_name};
|
|
} else {
|
|
return $lc_index2;
|
|
}
|
|
}
|
|
|
|
if (exists $self->{cache}->{$lc_index1}->{$lc_index2}->{$data_index}) {
|
|
return $self->{cache}->{$lc_index1}->{$lc_index2}->{$data_index};
|
|
}
|
|
|
|
my $value = eval {
|
|
my $sth = $self->{dbh}->prepare('SELECT * FROM Stuff WHERE index1 = ? AND index2 = ?');
|
|
$sth->execute($index1, $index2);
|
|
my $context = $sth->fetchall_arrayref({});
|
|
|
|
foreach my $key (keys %{$context->[0]}) {
|
|
next if $key eq 'index1' or $key eq 'index2';
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = $context->[0]->{$key};
|
|
}
|
|
|
|
$self->enqueue_decache($lc_index1, $lc_index2);
|
|
|
|
return $context->[0]->{$data_index};
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error getting data for ($index1, $index2, $data_index): $@\n");
|
|
return undef;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
sub add {
|
|
my ($self, $index1, $index2, $data, $quiet) = @_;
|
|
|
|
my $name1 = $self->get_data($index1, '_name') // $index1;
|
|
|
|
eval {
|
|
my $sth;
|
|
|
|
if (not $self->exists($index1, $index2)) {
|
|
$sth = $self->{dbh}->prepare('INSERT INTO Stuff (index1, index2) VALUES (?, ?)');
|
|
$sth->execute($name1, $index2);
|
|
}
|
|
|
|
my $sql = 'UPDATE Stuff SET ';
|
|
|
|
my $comma = '';
|
|
foreach my $key (sort keys %$data) {
|
|
if (not exists $self->{columns}->{$key}) {
|
|
next;
|
|
}
|
|
$sql .= "$comma\"$key\" = ?";
|
|
$comma = ', ';
|
|
}
|
|
|
|
$sql .= ' WHERE index1 == ? AND index2 == ?';
|
|
|
|
$sth = $self->{dbh}->prepare($sql);
|
|
|
|
my $param = 1;
|
|
foreach my $key (sort keys %$data) {
|
|
next if not exists $self->{columns}->{$key};
|
|
$sth->bind_param($param++, $data->{$key});
|
|
}
|
|
|
|
$sth->bind_param($param++, $index1);
|
|
$sth->bind_param($param++, $index2);
|
|
$sth->execute();
|
|
|
|
# no errors updating SQL -- now we update cache
|
|
my ($lc_index1, $lc_index2) = (lc $index1, lc $index2);
|
|
|
|
if ($index1 ne $lc_index1 and not exists $self->{cache}->{$lc_index1}->{_name}) {
|
|
$self->{cache}->{$lc_index1}->{_name} = $index1;
|
|
}
|
|
|
|
if (grep { $_ ne '_name' } keys %{$self->{cache}->{$lc_index1}->{$lc_index2}}) {
|
|
foreach my $key (sort keys %$data) {
|
|
next if not exists $self->{columns}->{$key};
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = $data->{$key};
|
|
}
|
|
} else {
|
|
$self->{cache}->{$lc_index1}->{lc $index2} = {}
|
|
}
|
|
|
|
if (not exists $self->{cache}->{$lc_index1}->{$lc_index2}->{_name} and $index2 ne $lc_index2) {
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{_name} = $index2;
|
|
}
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error adding $self->{name} $index2 to $index1: $@\n");
|
|
$self->{dbh}->rollback;
|
|
return "Error adding $index2 to $name1: $@\n";
|
|
}
|
|
|
|
$index1 = 'global' if $index1 eq '.*';
|
|
$index2 = "\"$index2\"" if $index2 =~ / /;
|
|
|
|
$self->{pbot}->{logger}->log("$self->{name}: [$index1]: $index2 added.\n") unless $quiet;
|
|
|
|
$self->save unless $quiet;
|
|
|
|
return "$index2 added to $name1.";
|
|
}
|
|
|
|
sub remove {
|
|
my ($self, $index1, $index2, $data_index, $dont_save) = @_;
|
|
|
|
if (not $self->exists($index1)) {
|
|
my $result = "$self->{name}: $index1 not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1);
|
|
return $result;
|
|
}
|
|
|
|
my $name1 = $self->get_data($index1, '_name');
|
|
$name1 = 'global' if $name1 eq '.*';
|
|
|
|
my $lc_index1 = lc $index1;
|
|
|
|
if (not defined $index2) {
|
|
eval {
|
|
my $sth = $self->{dbh}->prepare("DELETE FROM Stuff WHERE index1 = ?");
|
|
$sth->execute($index1);
|
|
|
|
$self->cache_remove($index1);
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error removing $index1 from $self->{name}: $@\n");
|
|
return "Error removing $name1: $@";
|
|
}
|
|
|
|
$self->save unless $dont_save;
|
|
|
|
return "$name1 removed.";
|
|
}
|
|
|
|
if (not $self->exists($index1, $index2)) {
|
|
my $result = "$self->{name}: [$name1] $index2 not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1, $index2);
|
|
return $result;
|
|
}
|
|
|
|
my $name2 = $self->get_data($index1, $index2, '_name');
|
|
$name2 = "\"$name2\"" if $name2 =~ / /;
|
|
|
|
my $lc_index2 = lc $index2;
|
|
|
|
if (not defined $data_index) {
|
|
eval {
|
|
my $sth = $self->{dbh}->prepare("DELETE FROM Stuff WHERE index1 = ? AND index2 = ?");
|
|
$sth->execute($index1, $index2);
|
|
|
|
$self->cache_remove($index1, $index2);
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error removing $self->{name}: [$name1] $name2: $@\n");
|
|
return "Error removing $name2 from $name1: $@";
|
|
}
|
|
|
|
$self->save unless $dont_save;
|
|
return "$name2 removed from $name1.";
|
|
}
|
|
|
|
if (not exists $self->{columns}->{$data_index}) {
|
|
return "$self->{name} have no such metadata $data_index.";
|
|
}
|
|
|
|
if (defined $self->get_data($lc_index1, $lc_index2, $data_index)) {
|
|
eval {
|
|
my $sth = $self->{dbh}->prepare("UPDATE Stuff SET '$data_index' = ? WHERE index1 = ? AND index2 = ?");
|
|
$sth->execute(undef, $index1, $index2);
|
|
|
|
$self->{cache}->{$index1}->{$index2}->{$data_index} = undef;
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error unsetting $self->{name}: $name1.$name2: $@\n");
|
|
return "Error unsetting $data_index from $name2: $@";
|
|
}
|
|
|
|
$self->save unless $dont_save;
|
|
return "$name2.$data_index unset.";
|
|
}
|
|
|
|
return "$name2.$data_index is not set.";
|
|
}
|
|
|
|
sub set {
|
|
my ($self, $index1, $index2, $key, $value, $dont_save) = @_;
|
|
|
|
if (not $self->exists($index1)) {
|
|
my $result = "$self->{name}: $index1 not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1);
|
|
return $result;
|
|
}
|
|
|
|
if (not $self->exists($index1, $index2)) {
|
|
my $secondary_text = $index2 =~ / / ? "\"$index2\"" : $index2;
|
|
my $result = "$self->{name}: [" . $self->get_data($index1, '_name') . "] $secondary_text not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1, $index2);
|
|
return $result;
|
|
}
|
|
|
|
my $name1 = $self->get_data($index1, '_name');
|
|
my $name2 = $self->get_data($index1, $index2, '_name');
|
|
|
|
$name1 = 'global' if $name1 eq '.*';
|
|
$name2 = "\"$name2\"" if $name2 =~ / /;
|
|
|
|
if (not defined $key) {
|
|
my $result = "[$name1] $name2 keys:\n";
|
|
my @metadata = ();
|
|
|
|
foreach my $key (sort $self->get_keys($index1, $index2)) {
|
|
my $value = $self->get_data($index1, $index2, $key);
|
|
push @metadata, "$key => $value" if defined $value;
|
|
}
|
|
|
|
if (not @metadata) {
|
|
$result .= "none";
|
|
} else {
|
|
$result .= join ";\n", @metadata;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
if (not exists $self->{columns}->{$key}) {
|
|
return "$self->{name} have no such metadata $key.";
|
|
}
|
|
|
|
if (not defined $value) {
|
|
$value = $self->get_data($index1, $index2, $key);
|
|
}
|
|
else {
|
|
eval {
|
|
my $sth = $self->{dbh}->prepare("UPDATE Stuff SET '$key' = ? WHERE index1 = ? AND index2 = ?");
|
|
|
|
$sth->execute($value, $index1, $index2);
|
|
|
|
my ($lc_index1, $lc_index2) = (lc $index1, lc $index2);
|
|
|
|
if (exists $self->{cache}->{$lc_index1}
|
|
and exists $self->{cache}->{$lc_index1}->{$lc_index2}
|
|
and exists $self->{cache}->{$lc_index1}->{$lc_index2}->{$key}) {
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = $value;
|
|
}
|
|
|
|
$self->save unless $dont_save;
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error setting $self->{name} $index1 $index2.$key: $@\n");
|
|
return "Error setting $name2.$key: $@";
|
|
}
|
|
}
|
|
|
|
return "[$name1] $name2.$key " . (defined $value ? "set to $value" : "is not set.");
|
|
}
|
|
|
|
sub unset {
|
|
my ($self, $index1, $index2, $key) = @_;
|
|
|
|
if (not $self->exists($index1)) {
|
|
my $result = "$self->{name}: $index1 not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1);
|
|
return $result;
|
|
}
|
|
|
|
my $name1 = $self->get_data($index1, '_name');
|
|
$name1 = 'global' if $name1 eq '.*';
|
|
|
|
if (not $self->exists($index1, $index2)) {
|
|
my $result = "$self->{name}: [$name1] $index2 not found; similiar matches: ";
|
|
$result .= $self->levenshtein_matches($index1, $index2);
|
|
return $result;
|
|
}
|
|
|
|
my $name2 = $self->get_data($index1, $index2, '_name');
|
|
$name2 = "\"$name2\"" if $name2 =~ / /;
|
|
|
|
if (not exists $self->{columns}->{$key}) {
|
|
return "$self->{name} have no such metadata $key.";
|
|
}
|
|
|
|
eval {
|
|
my $sth = $self->{dbh}->prepare("UPDATE Stuff SET '$key' = ? WHERE index1 = ? AND index2 = ?");
|
|
|
|
$sth->execute(undef, $index1, $index2);
|
|
|
|
my ($lc_index1, $lc_index2) = (lc $index1, lc $index2);
|
|
|
|
if (exists $self->{cache}->{$lc_index1}
|
|
and exists $self->{cache}->{$lc_index1}->{$lc_index2}
|
|
and exists $self->{cache}->{$lc_index1}->{$lc_index2}->{$key}) {
|
|
$self->{cache}->{$lc_index1}->{$lc_index2}->{$key} = undef;
|
|
}
|
|
|
|
$self->save;
|
|
};
|
|
|
|
if ($@) {
|
|
$self->{pbot}->{logger}->log("Error unsetting key: $@\n");
|
|
return "Error unsetting key: $@";
|
|
}
|
|
|
|
return "[$name1] $name2.$key unset.";
|
|
}
|
|
|
|
# nothing to do here for SQLite
|
|
# kept for compatibility with DualIndexHashObject
|
|
sub clear { }
|
|
|
|
1;
|