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# Copyright © 2010 Julian Blake Kongslie <jblake@omgwallhack.org>
# Licensed under the BSD 3-clause license.
use strict;
use warnings;
package Piny::Config;
use Moose;
use MooseX::StrictConstructor;
use Carp;
use Config::Simple qw( );
# Attributes
has 'confpath' =>
( is => 'ro'
, isa => 'Str'
, predicate => 'has_confpath'
);
has '_conf' =>
( is => 'ro'
, isa => 'HashRef[Str]'
, lazy_build => 1
, init_arg => undef
);
# Builder methods
# If constructed with just one argument, then treat it as a config path.
around BUILDARGS => sub {
my ( $orig, $class ) = ( shift, shift );
if ( @_ == 1 && ! ref $_[0] ) {
return $class->$orig( confpath => $_[0] );
} else {
return $class->$orig( @_ );
};
};
sub _build__conf {
my ( $s ) = @_;
my $conf;
if ( $s->has_confpath and -e $s->confpath ) {
$conf = Config::Simple->new( $s->confpath )->vars;
} else {
$conf = { };
};
if ( -e "/etc/piny-default.conf" ) {
my $default = Config::Simple->new( "/etc/piny-default.conf" )->vars;
foreach my $key ( keys %$default ) {
if ( not exists $conf->{$key} ) {
$conf->{$key} = $default->{$key};
};
};
};
if ( -e "/etc/piny-override.conf" ) {
my $override = Config::Simple->new( "/etc/piny-override.conf" )->vars;
foreach my $key ( keys %$override ) {
$conf->{$key} = $override->{$key};
};
};
return $conf;
};
# Save the config
sub save {
my ( $s ) = @_;
if ( not $s->has_confpath ) {
croak "Can't save a Piny::Config if the confpath is not set!";
};
my $cs = Config::Simple->new( syntax => "ini" );
foreach my $key ( keys %{$s->_conf} ) {
$cs->param( $key, $s->_conf->{$key} );
};
$cs->write( $s->confpath );
};
# Tweakable helper
sub tweakable {
my ( $attr, $default ) = @_;
my $attrname = $attr;
$attrname =~ s/_/./g;
has $attr =>
( is => 'rw'
, isa => 'Str'
, lazy_build => 1
, trigger => sub {
my ( $s, $old, $new ) = @_;
$s->_conf->{$attrname} = $new;
if ( $s->has_confpath ) {
$s->save;
$s->clear__conf;
} else {
carp "Attribute $attrname modification ignored!";
$s->clear__conf;
my $clearer = "clear_$attr";
$s->$clearer;
};
}
);
my $builder = sub {
my ( $s ) = @_;
if ( exists $s->_conf->{$attrname} ) {
return $s->_conf->{$attrname};
} else {
return $default;
};
};
{
no strict "refs";
*{"_build_" . $attr} = $builder;
};
};
# The tweakables
tweakable "piny_ikiwiki_destdir" => "/srv/www/piny.be/";
tweakable "piny_ikiwiki_srcdir" => "/srv/ikiwiki/";
tweakable "piny_ikiwiki_url" => "http://piny.be/";
tweakable "piny_ikiwiki_secure_url" => "https://secure.piny.be/";
tweakable "piny_ikiwiki_secure_path" => "/srv/www/secure.piny.be/";
tweakable "receive_denyNonFastforwards" => "true";
# Moose boilerplate
__PACKAGE__->meta->make_immutable;
1;
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