lib/Frey/Action.pm

package Frey::Action;
use Moose;
extends 'Frey::PPI';
with 'Frey::Web';
with 'Frey::Config';

use Clone qw/clone/;
use Data::Dump qw/dump/;

=head1 DESCRIPTION

Invoke any L<Frey> object creating html for with various default parameters
if not supplied at invocation.

=cut

has 'class' => (
        is => 'rw',
        isa => 'Str',
        required => 1,
);

has 'params' => (
        is => 'rw',
        isa => 'HashRef',
        default => sub { {} },
);

=head2 required

  my @required_attributes = $self->required;
  my $required_attributes = $self->required;

=cut

sub required {
        my ( $self ) = @_;
        $self->load_class( $self->class );
        my @required = 
                grep { defined $_ }
                map {
                        eval {
                                $_->can('name') && !defined( $self->params->{ $_->name } )
                        };
                }
                grep {
                        my $required = eval {
                                my $attr = $self->class->meta->get_attribute($_);
                                $attr->is_required;
                        };
                        warn "# attribute $_ error: $@" if $@;
                        $required;
                } $self->class->meta->get_attribute_list;

        warn "## required = ",dump( map { $_->name } @required ), " for ", $self->class if @required && $self->debug;
        return @required if wantarray;
        return \@required;
}

=head2 attributes

Generated from attributes specified in code (extracted using L<Frey::PPI>)
and required atributes

  my @class_attributes = $self->attributes;
  my @class_attributes = $self->attributes;

=cut

sub attributes {
        my ( $self ) = @_;
        my $a;
        my @attrs = @{ $self->attribute_order };
        @attrs = map {  $a->{$_}++; $_ } @attrs;
        push @attrs, $_ foreach grep { ! $a->{$_} } map { $_->name } @{ $self->required };
        warn "# attributes = ",dump( @attrs ) if $self->debug;
        return @attrs if wantarray;
        return \@attrs;
}

=head2 params_form

  my  $html                  = $self->params_form;
  my ($html,$default_params) = $self->params_form;

=cut

sub params_form {
        my ( $self ) = @_;
        my @required = $self->required;
        if ( ! @required ) {
                warn "all params available ", dump( $self->params ), " not creating form" if $self->debug;
                return (undef,$self->params) if wantarray;
                return;
        } else {
                warn $self->class, " required params ", map { $_->dump(2) } @required if $self->debug;
        }

        my $class = $self->class;

        $self->load_class( $class );

        my $default = clone $self->params; # XXX we really don't want to modify params!

        my $config_params = {};
        $config_params = $self->config($class);
        warn "# $class config = ",dump( $config_params ) if $self->debug;

        my $form;

        foreach my $name ( grep { ! $class->meta->get_attribute($_)->is_lazy } $self->attributes ) {
                my $attr_type = '';
                my $type = $name =~ m/^pass/ ? 'password' : 'text';
                my $label = $name;
                my $value = '';
                my $label_title = '';
                my $value_html = '';
                if ( ref($config_params) eq 'HASH' ) {
                        $value = $config_params->{$name};
                } elsif ( ref($config_params) eq 'ARRAY' ) {
                        $value_html = qq|<select name="$name">| . join("\n",
                                map {
                                        my $v = $_->{$name};
                                        qq|<option value="$v">$v</option>|
                                } @$config_params
                        ) . qq|</select>|;
                        $default->{$name} = $config_params->[0]->{$name};
                } elsif ( my $attr = $class->meta->get_attribute( $name ) ) {
                        if ( $attr->has_type_constraint ) {
                                $attr_type = $attr->type_constraint->name;
                                if ( $attr->type_constraint->can('values') ) {
                                        $value_html = qq|<select name="$name">| . join("\n",
                                                map { qq|<option value="$_">$_</option>| } @{ $attr->type_constraint->values }
                                        ) . qq|</select>|;
                                } elsif ( $attr_type !~ m{^(Str|Int)$} ) {
                                        $value_html = qq|<textarea name="$name" title="$attr_type">$value</textarea>|;
                                }
                        }
                        $value = $attr->default( $name ) if ! $value && $attr->has_default;
                        $label_title = qq| title="| . $attr->documentation . qq|"| if $attr->has_documentation;
                } else {
                        warn "wired attribute $name";
                }

                $value_html = qq|<input type="$type" name="$name" title="$attr_type" value="$value">| unless $value_html;

                $default->{$name} = $value unless defined $default->{$name};

#               warn "# required $name ", $class->meta->get_attribute( $name )->dump( 2 );
                $form .= qq|<label for="$name"$label_title>$label</label>| . $value_html;
        }
        my $html = qq|<h1>$class params</h1><form method="post">$form<input type="submit" value="Run $class"></form>|;
        push @{ $self->status }, { 'Params' =>
                {
                        'Config'  => $config_params,
                        'Default' => $default
                },
        };

        return ($html,$default) if wantarray;
        return $html;
}

1;
1	dpavlin	369	package Frey::Action;
2			use Moose;
3			extends 'Frey::PPI';
4			with 'Frey::Web';
5			with 'Frey::Config';
6
7	dpavlin	386	use Clone qw/clone/;
8	dpavlin	369	use Data::Dump qw/dump/;
9
10			=head1 DESCRIPTION
11
12			Invoke any L<Frey> object creating html for with various default parameters
13			if not supplied at invocation.
14
15			=cut
16
17			has 'class' => (
18			is => 'rw',
19			isa => 'Str',
20			required => 1,
21			);
22
23			has 'params' => (
24			is => 'rw',
25			isa => 'HashRef',
26			default => sub { {} },
27			);
28
29			=head2 required
30
31			my @required_attributes = $self->required;
32			my $required_attributes = $self->required;
33
34			=cut
35
36			sub required {
37			my ( $self ) = @_;
38			$self->load_class( $self->class );
39			my @required =
40	dpavlin	430	grep { defined $_ }
41			map {
42			eval {
43			$_->can('name') && !defined( $self->params->{ $_->name } )
44			};
45			}
46	dpavlin	369	grep {
47	dpavlin	430	my $required = eval {
48			my $attr = $self->class->meta->get_attribute($_);
49			$attr->is_required;
50			};
51			warn "# attribute $_ error: $@" if $@;
52			$required;
53	dpavlin	369	} $self->class->meta->get_attribute_list;
54
55	dpavlin	386	warn "## required = ",dump( map { $_->name } @required ), " for ", $self->class if @required && $self->debug;
56	dpavlin	369	return @required if wantarray;
57			return \@required;
58			}
59
60			=head2 attributes
61
62			Generated from attributes specified in code (extracted using L<Frey::PPI>)
63			and required atributes
64
65			my @class_attributes = $self->attributes;
66			my @class_attributes = $self->attributes;
67
68			=cut
69
70			sub attributes {
71			my ( $self ) = @_;
72			my $a;
73			my @attrs = @{ $self->attribute_order };
74			@attrs = map { $a->{$_}++; $_ } @attrs;
75			push @attrs, $_ foreach grep { ! $a->{$_} } map { $_->name } @{ $self->required };
76	dpavlin	386	warn "# attributes = ",dump( @attrs ) if $self->debug;
77	dpavlin	369	return @attrs if wantarray;
78			return \@attrs;
79			}
80
81			=head2 params_form
82
83	dpavlin	386	my $html = $self->params_form;
84			my ($html,$default_params) = $self->params_form;
85	dpavlin	369
86			=cut
87
88			sub params_form {
89			my ( $self ) = @_;
90			my @required = $self->required;
91			if ( ! @required ) {
92	dpavlin	414	warn "all params available ", dump( $self->params ), " not creating form" if $self->debug;
93	dpavlin	386	return (undef,$self->params) if wantarray;
94	dpavlin	369	return;
95			} else {
96	dpavlin	390	warn $self->class, " required params ", map { $_->dump(2) } @required if $self->debug;
97	dpavlin	369	}
98
99			my $class = $self->class;
100
101			$self->load_class( $class );
102
103	dpavlin	386	my $default = clone $self->params; # XXX we really don't want to modify params!
104	dpavlin	369
105	dpavlin	386	my $config_params = {};
106			$config_params = $self->config($class);
107			warn "# $class config = ",dump( $config_params ) if $self->debug;
108	dpavlin	369
109	dpavlin	386	my $form;
110
111	dpavlin	369	foreach my $name ( grep { ! $class->meta->get_attribute($_)->is_lazy } $self->attributes ) {
112	dpavlin	414	my $attr_type = '';
113	dpavlin	369	my $type = $name =~ m/^pass/ ? 'password' : 'text';
114	dpavlin	372	my $label = $name;
115	dpavlin	369	my $value = '';
116	dpavlin	372	my $label_title = '';
117	dpavlin	369	my $value_html = '';
118	dpavlin	386	if ( ref($config_params) eq 'HASH' ) {
119			$value = $config_params->{$name};
120			} elsif ( ref($config_params) eq 'ARRAY' ) {
121	dpavlin	369	$value_html = qq\|<select name="$name">\| . join("\n",
122			map {
123			my $v = $_->{$name};
124			qq\|<option value="$v">$v</option>\|
125	dpavlin	386	} @$config_params
126	dpavlin	369	) . qq\|</select>\|;
127	dpavlin	386	$default->{$name} = $config_params->[0]->{$name};
128	dpavlin	369	} elsif ( my $attr = $class->meta->get_attribute( $name ) ) {
129	dpavlin	372	if ( $attr->has_type_constraint ) {
130	dpavlin	399	$attr_type = $attr->type_constraint->name;
131	dpavlin	372	if ( $attr->type_constraint->can('values') ) {
132			$value_html = qq\|<select name="$name">\| . join("\n",
133			map { qq\|<option value="$_">$_</option>\| } @{ $attr->type_constraint->values }
134			) . qq\|</select>\|;
135			} elsif ( $attr_type !~ m{^(Str\|Int)$} ) {
136			$value_html = qq\|<textarea name="$name" title="$attr_type">$value</textarea>\|;
137			}
138	dpavlin	369	}
139	dpavlin	372	$value = $attr->default( $name ) if ! $value && $attr->has_default;
140			$label_title = qq\| title="\| . $attr->documentation . qq\|"\| if $attr->has_documentation;
141	dpavlin	369	} else {
142			warn "wired attribute $name";
143			}
144	dpavlin	372
145			$value_html = qq\|<input type="$type" name="$name" title="$attr_type" value="$value">\| unless $value_html;
146
147	dpavlin	386	$default->{$name} = $value unless defined $default->{$name};
148
149	dpavlin	369	# warn "# required $name ", $class->meta->get_attribute( $name )->dump( 2 );
150	dpavlin	386	$form .= qq\|<label for="$name"$label_title>$label</label>\| . $value_html;
151	dpavlin	369	}
152	dpavlin	390	my $html = qq\|<h1>$class params</h1><form method="post">$form<input type="submit" value="Run $class"></form>\|;
153			push @{ $self->status }, { 'Params' =>
154			{
155			'Config' => $config_params,
156			'Default' => $default
157			},
158			};
159	dpavlin	369
160	dpavlin	386	return ($html,$default) if wantarray;
161	dpavlin	369	return $html;
162			}
163
164			1;