/
Truth.pm
252 lines (164 loc) · 4.47 KB
/
Truth.pm
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package True::Truth;
use 5.010;
use Redis;
use Any::Moose;
use MIME::Base64 qw(encode_base64 decode_base64);
use Storable qw/nfreeze thaw/;
our $VERSION = '0.1';
has 'debug' => (
is => 'rw',
isa => 'Bool',
default => 0,
lazy => 1,
);
has 'redis_server' => (
is => 'rw',
isa => 'Str',
default => '127.0.0.1:6379',
);
has 'redis' => (
is => 'rw',
isa => 'Redis',
builder => '_connect_redis',
lazy => 1,
);
=head1 NAME
True::Truth - The one True::Truth!
=head1 VERSION
Version 0.1.1.1.1.1.1
=head1 SYNOPSIS
Quick summary of what the module does.
Perhaps a little code snippet.
use True::Truth;
my $foo = True::Truth->new();
...
=head1 FUNCTIONS
=head2 add_true_truth
needs docs
=cut
sub add_true_truth {
my ($self, $key, $truth) = @_;
return $self->_add($key, $truth) -1;
}
=head2 add_pending_truth
needs docs
=cut
sub add_pending_truth {
my ($self, $key, $truth) = @_;
foreach my $ky (keys %$truth){
$truth->{$ky}->{_truth} = 'pending';
}
return $self->_add($key, $truth) -1;
}
=head2 persist_pending_truth
needs docs
=cut
sub persist_pending_truth {
my ($self, $key, $index) = @_;
my $truth = $self->_get($key, $index);
foreach my $ky (keys %$truth){
delete $truth->{$ky}->{_truth};
}
$self->_add($key, $truth, $index);
return;
}
=head2 remove_pending_truth
needs docs
=cut
sub remove_pending_truth {
my ($self, $key, $index) = @_;
$self->_add($key, {}, $index);
return;
}
=head2 get_true_truth
needs docs
=cut
sub get_true_truth {
my ($self, $key) = @_;
my $all_truth = $self->_get($key);
my $truth = merge(@$all_truth);
return $truth;
}
=head2 merge
needs docs
=cut
# This was stolen from Catalyst::Utils... thanks guys!
sub merge (@);
sub merge (@) {
shift unless ref $_[0]; # Take care of the case we're called like Hash::Merge::Simple->merge(...)
my ($left, @right) = @_;
return $left unless @right;
return merge($left, merge(@right)) if @right > 1;
my ($right) = @right;
my %merge = %$left;
for my $key (keys %$right) {
my ($hr, $hl) = map { ref $_->{$key} eq 'HASH' } $right, $left;
if ($hr and $hl){
$merge{$key} = merge($left->{$key}, $right->{$key});
}
else {
$merge{$key} = $right->{$key};
}
}
return \%merge;
}
#### internal stuff ####
sub _add {
my ($self, $key, $val, $index) = @_;
$self->redis->ping || $self->_connect_redis;
if($index){
return $self->redis->lset($key, $index, encode_base64(nfreeze($val)));
} else {
return $self->redis->rpush($key, encode_base64(nfreeze($val)));
}
}
sub _get {
my ($self, $key, $index) = @_;
$self->redis->ping || $self->_connect_redis;
if($index){
my $val = $self->redis->lindex($key, $index);
return thaw(decode_base64($val))
if $val;
} else {
my @data = $self->redis->lrange($key, 0, -1);
my @res;
foreach my $val (@data){
push(@res, thaw(decode_base64($val)));
}
return \@res;
}
return;
}
sub _connect_redis {
my ($self) = @_;
return Redis->new($self->redis_server);
}
=head1 AUTHOR
Lenz Gschwendtner, C<< <norbu09 at cpan.org> >>
=head1 BUGS
Please report any bugs or feature requests to C<bug-true-truth at rt.cpan.org>, or through
the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=True-Truth>. I will be notified, and then you'll
automatically be notified of progress on your bug as I make changes.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc True::Truth
You can also look for information at:
=over 4
=item * RT: CPAN's request tracker (report bugs here)
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=True-Truth>
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/True-Truth>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/True-Truth>
=item * Search CPAN
L<http://search.cpan.org/dist/True-Truth/>
=back
=head1 ACKNOWLEDGEMENTS
=head1 LICENSE AND COPYRIGHT
Copyright 2012 Lenz Gschwendtner.
This program is free software; you can redistribute it and/or modify it
under the terms of either: the GNU General Public License as published
by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.
=cut
1; # This is the end of True::Truth