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1 | package Catalyst::IOC::ConstructorInjection; |
2 | use Moose; |
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3 | use Bread::Board::Dependency; |
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4 | use Try::Tiny; |
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5 | use Catalyst::Utils (); |
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6 | |
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7 | extends 'Bread::Board::ConstructorInjection'; |
8 | |
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9 | sub BUILD { |
10 | my $self = shift; |
11 | $self->add_dependency(__catalyst_config => Bread::Board::Dependency->new(service_path => '/config')); |
12 | warn("Added dependency for config in " . $self->class); |
13 | } |
14 | |
15 | has catalyst_component_name => ( |
16 | is => 'ro', |
17 | ); |
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18 | |
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19 | has config => ( |
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20 | init_arg => undef, |
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21 | is => 'ro', |
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22 | isa => 'HashRef', |
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23 | writer => '_set_config', |
24 | clearer => '_clear_config', |
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25 | ); |
26 | |
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27 | around resolve_dependencies => sub { |
28 | my ($orig, $self, @args) = @_; |
29 | my %deps = $self->$orig(@args); |
30 | use Data::Dumper; |
31 | warn("$self Resolve deps" . Data::Dumper::Dumper(\%deps)); |
32 | my $app_config = delete $deps{__catalyst_config}; |
33 | my $conf_key = Catalyst::Utils::class2classsuffix($self->catalyst_component_name); |
34 | $self->_set_config($app_config->{$conf_key} || {}); |
35 | return %deps; |
36 | }; |
37 | |
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38 | sub get { |
39 | my $self = shift; |
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40 | warn("In get $self"); |
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41 | my $component = $self->class; |
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42 | |
43 | my $params = $self->params; |
44 | my %config = (%{ $self->config }, %{ $params }); |
45 | warn(Data::Dumper::Dumper(\%config)); |
46 | $self->_clear_config; |
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47 | |
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48 | # FIXME - Is depending on the application name to pass into constructors here a good idea? |
49 | # This makes app/ctx split harder I think.. Need to think more here, but I think |
50 | # we want to pass the application in as a parameter when building the service |
51 | # rather than depending on the app name, so that later, when the app becomes an instance |
52 | # then it'll get passed in, and components can stash themselves 'per app instance' |
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53 | my $app_name = $self->param('application_name'); |
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54 | |
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55 | # Stash catalyst_component_name in the config here, so that custom COMPONENT |
56 | # methods also pass it. local to avoid pointlessly shitting in config |
57 | # for the debug screen, as $component is already the key name. |
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58 | $config{catalyst_component_name} = $self->catalyst_component_name; |
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59 | |
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60 | unless ( $component->can( 'COMPONENT' ) ) { |
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61 | # FIXME - make some deprecation warnings |
62 | return $component; |
63 | } |
64 | |
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65 | my $instance; |
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66 | try { |
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67 | $instance = $component->COMPONENT( $app_name, \%config ); |
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68 | } |
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69 | catch { |
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70 | Catalyst::Exception->throw( |
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71 | message => qq/Couldn't instantiate component "$component", "$_"/ |
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72 | ); |
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73 | }; |
74 | |
75 | return $instance |
76 | if blessed $instance; |
77 | |
78 | my $metaclass = Moose::Util::find_meta($component); |
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79 | my $method_meta = $metaclass->find_method_by_name('COMPONENT'); |
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80 | my $component_method_from = $method_meta->associated_metaclass->name; |
81 | my $value = defined($instance) ? $instance : 'undef'; |
82 | Catalyst::Exception->throw( |
83 | message => |
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84 | qq/Couldn't instantiate component "$component", COMPONENT method (from $component_method_from) didn't return an object-like value (value was $value)./ |
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85 | ); |
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86 | } |
87 | |
88 | __PACKAGE__->meta->make_immutable; |
89 | |
90 | no Moose; 1; |
91 | |
92 | __END__ |
93 | |
94 | =pod |
95 | |
96 | =head1 NAME |
97 | |
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98 | Catalyst::IOC::ConstructorInjection |
99 | |
100 | =head1 SYNOPSIS |
101 | |
102 | =head1 DESCRIPTION |
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103 | |
104 | =head1 AUTHORS |
105 | |
106 | Catalyst Contributors, see Catalyst.pm |
107 | |
108 | =head1 COPYRIGHT |
109 | |
110 | This library is free software. You can redistribute it and/or modify it under |
111 | the same terms as Perl itself. |
112 | |
113 | =cut |