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dpavlin |
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package Frey::Config; |
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use Moose::Role; |
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use YAML qw/LoadFile/; |
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use Hash::Merge qw/merge/; |
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use Data::Dump qw/dump/; |
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=head1 NAME |
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Frey::Config - read configuration YAML files |
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=head1 SYNOPSYS |
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Foo::Bar->config->{'baz'} == 42 |
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If C<etc/site_config.yml> or C<etc/config.yml> have: |
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'Foo::Bar': |
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baz: 42 |
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or C<etc/Foo/Bar.yml> has |
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baz: 42 |
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You can also force config re-load with |
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Foo::Bar->load_config('custom'); |
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which will load C<etc/custom.yml> as most specific |
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configuration. |
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=cut |
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our %config; |
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dpavlin |
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our $debug; |
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dpavlin |
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sub load_config { |
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my $self = shift; |
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dpavlin |
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$debug = $self->debug if $self->can('debug'); |
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dpavlin |
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foreach my $name ( 'config', 'site_config', ref($self), @_ ) { |
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my $path = "etc/$name.yml"; |
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if ( $path =~ s{::}{/}g ) { |
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# load under Package name |
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%config = %{ merge( { ref($self) => LoadFile($path) }, \%config ) } if -e $path; |
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} else { |
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%config = %{ merge( LoadFile($path) , \%config ) } if -e $path; |
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} |
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dpavlin |
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warn "## load_config $path current config = ",dump( %config ) if $debug; |
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dpavlin |
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} |
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} |
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sub config { |
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dpavlin |
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my ( $self, $key ) = @_; |
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$key ||= ref($self); |
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dpavlin |
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warn "## config $key" if $self->debug; |
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$self->load_config unless defined %config; |
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dpavlin |
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#confess "$key doesn't exist in config" unless defined $config{ $key }; |
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return unless defined $config{ $key }; |
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dpavlin |
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return $config{ $key }; |
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} |
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1; |