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 $_ && $_->can('name') &&
                        ! defined( $self->params->{ $_->name } ) &&
                        ! $_->is_lazy
                }
                map {
                        my $attr = $self->class->meta->get_attribute($_);
                        blessed $attr && $attr->is_required && $attr;
                } $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;

        sub select_values {
                my ( $name, $attr_type, $values ) = @_;
                my $options = join("\n",
                        map {
                                my $v = ref($_) eq 'HASH' ? $_->{$name} : $_;
                                qq|<option value="$v">$v</option>| if $v;
                        } @$values
                );
                qq|<select title="$attr_type" name="$name">$options</select>| if $options;
        }

        foreach my $checkbox ( split(/\s+/, $default->{'frey-checkboxes'} ) ) {
                next if defined $default->{ $checkbox };

                $default->{ $checkbox } = 0;
                $self->params->{ $checkbox } = 0;
                warn "# checkbox $checkbox not ticked";
        }

        my @checkboxes;

        foreach my $name (
                grep {
                        ! $class->meta->get_attribute($_)->is_lazy
                        && ! defined $default->{$_}
                        && ! m{^_} # skip _private
                } $self->attributes
        ) {
                my $attr_type = '';
                my $type = $name =~ m/^pass/ ? 'password' : 'text';
                my $label = $name;
                my $label_title = '';
                my $value_html = '';

                my $attr = $class->meta->get_attribute( $name );
                $attr_type = $attr->type_constraint->name if $attr->has_type_constraint;

                my $value =
                        defined $default->{$name} ? $default->{$name}       :
                        $attr->has_default        ? $attr->default( $name ) :
                        '';

                if ( ref($config_params) eq 'HASH' ) {
                        $value = $config_params->{$name};
                } elsif ( ref($config_params) eq 'ARRAY' ) {
                        $value_html = select_values( $name, $attr_type, $config_params );
                        $default->{$name} = $config_params->[0]->{$name};
                } elsif ( $attr->has_type_constraint && $attr->type_constraint->can('values') ) {
                                $value_html = select_values( $name, $attr_type, $attr->type_constraint->values );
                } elsif ( $attr_type =~ m{^Bool} ) {
                                my $suffix = '';
                                $suffix = ' checked' if $value;
                                $value_html = qq|<input type="checkbox" name="$name" title="$attr_type" value="$value"$suffix>|;
                                push @checkboxes, $name;
                } elsif ( $attr_type !~ m{^(Str|Int)$} || $value =~ $Frey::Web::re_html ) {
                                $value_html = qq|<textarea name="$name" title="$attr_type">$value</textarea>|;
                }
                
                $label_title = qq| title="| . $attr->documentation . qq|"| if $attr->has_documentation;

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

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

#               warn "# required $name ", $class->meta->get_attribute( $name )->dump( 2 );
                $form .= qq|<label for="$name"$label_title>$label</label>| . $value_html;
        }
        $form .= qq|<input type="hidden" name="frey-checkboxes" value="| . join(' ', @checkboxes) . qq|">| if @checkboxes;

        my $html;

        $html = qq|
                <h1>$class params</h1>
                <form method="post">
                $form
                <input type="submit" value="Run $class">
                </form>
        | if $form;

        $self->add_status({
                $self->class => {
                        params  => $self->params,
                        config_params  => $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	435	grep {
41	dpavlin	469	defined $_ && $_->can('name') &&
42			! defined( $self->params->{ $_->name } ) &&
43			! $_->is_lazy
44	dpavlin	435	}
45	dpavlin	430	map {
46	dpavlin	435	my $attr = $self->class->meta->get_attribute($_);
47	dpavlin	440	blessed $attr && $attr->is_required && $attr;
48	dpavlin	369	} $self->class->meta->get_attribute_list;
49
50	dpavlin	386	warn "## required = ",dump( map { $_->name } @required ), " for ", $self->class if @required && $self->debug;
51	dpavlin	369	return @required if wantarray;
52			return \@required;
53			}
54
55			=head2 attributes
56
57			Generated from attributes specified in code (extracted using L<Frey::PPI>)
58			and required atributes
59
60			my @class_attributes = $self->attributes;
61			my @class_attributes = $self->attributes;
62
63			=cut
64
65			sub attributes {
66			my ( $self ) = @_;
67			my $a;
68			my @attrs = @{ $self->attribute_order };
69			@attrs = map { $a->{$_}++; $_ } @attrs;
70			push @attrs, $_ foreach grep { ! $a->{$_} } map { $_->name } @{ $self->required };
71	dpavlin	386	warn "# attributes = ",dump( @attrs ) if $self->debug;
72	dpavlin	369	return @attrs if wantarray;
73			return \@attrs;
74			}
75
76			=head2 params_form
77
78	dpavlin	386	my $html = $self->params_form;
79			my ($html,$default_params) = $self->params_form;
80	dpavlin	369
81			=cut
82
83			sub params_form {
84			my ( $self ) = @_;
85			my @required = $self->required;
86			if ( ! @required ) {
87	dpavlin	414	warn "all params available ", dump( $self->params ), " not creating form" if $self->debug;
88	dpavlin	386	return (undef,$self->params) if wantarray;
89	dpavlin	369	return;
90			} else {
91	dpavlin	390	warn $self->class, " required params ", map { $_->dump(2) } @required if $self->debug;
92	dpavlin	369	}
93
94			my $class = $self->class;
95
96			$self->load_class( $class );
97
98	dpavlin	386	my $default = clone $self->params; # XXX we really don't want to modify params!
99	dpavlin	369
100	dpavlin	386	my $config_params = {};
101			$config_params = $self->config($class);
102			warn "# $class config = ",dump( $config_params ) if $self->debug;
103	dpavlin	369
104	dpavlin	386	my $form;
105
106	dpavlin	504	sub select_values {
107			my ( $name, $attr_type, $values ) = @_;
108			my $options = join("\n",
109			map {
110			my $v = ref($_) eq 'HASH' ? $_->{$name} : $_;
111			qq\|<option value="$v">$v</option>\| if $v;
112			} @$values
113			);
114			qq\|<select title="$attr_type" name="$name">$options</select>\| if $options;
115			}
116
117	dpavlin	645	foreach my $checkbox ( split(/\s+/, $default->{'frey-checkboxes'} ) ) {
118			next if defined $default->{ $checkbox };
119
120			$default->{ $checkbox } = 0;
121			$self->params->{ $checkbox } = 0;
122			warn "# checkbox $checkbox not ticked";
123			}
124
125			my @checkboxes;
126
127			foreach my $name (
128			grep {
129			! $class->meta->get_attribute($_)->is_lazy
130			&& ! defined $default->{$_}
131	dpavlin	715	&& ! m{^_} # skip _private
132	dpavlin	645	} $self->attributes
133			) {
134	dpavlin	414	my $attr_type = '';
135	dpavlin	369	my $type = $name =~ m/^pass/ ? 'password' : 'text';
136	dpavlin	372	my $label = $name;
137			my $label_title = '';
138	dpavlin	369	my $value_html = '';
139	dpavlin	504
140			my $attr = $class->meta->get_attribute( $name );
141			$attr_type = $attr->type_constraint->name if $attr->has_type_constraint;
142
143	dpavlin	645	my $value =
144			defined $default->{$name} ? $default->{$name} :
145			$attr->has_default ? $attr->default( $name ) :
146			'';
147	dpavlin	510
148	dpavlin	386	if ( ref($config_params) eq 'HASH' ) {
149			$value = $config_params->{$name};
150			} elsif ( ref($config_params) eq 'ARRAY' ) {
151	dpavlin	504	$value_html = select_values( $name, $attr_type, $config_params );
152	dpavlin	386	$default->{$name} = $config_params->[0]->{$name};
153	dpavlin	504	} elsif ( $attr->has_type_constraint && $attr->type_constraint->can('values') ) {
154			$value_html = select_values( $name, $attr_type, $attr->type_constraint->values );
155	dpavlin	640	} elsif ( $attr_type =~ m{^Bool} ) {
156			my $suffix = '';
157			$suffix = ' checked' if $value;
158			$value_html = qq\|<input type="checkbox" name="$name" title="$attr_type" value="$value"$suffix>\|;
159	dpavlin	645	push @checkboxes, $name;
160	dpavlin	708	} elsif ( $attr_type !~ m{^(Str\|Int)$} \|\| $value =~ $Frey::Web::re_html ) {
161	dpavlin	504	$value_html = qq\|<textarea name="$name" title="$attr_type">$value</textarea>\|;
162	dpavlin	369	}
163	dpavlin	509
164	dpavlin	504	$label_title = qq\| title="\| . $attr->documentation . qq\|"\| if $attr->has_documentation;
165	dpavlin	372
166	dpavlin	469	$default->{$name} = $value unless defined $default->{$name};
167
168	dpavlin	640	$value_html = qq\|<input type="$type" name="$name" title="$attr_type" value="$value">\| unless $value_html;
169	dpavlin	372
170	dpavlin	369	# warn "# required $name ", $class->meta->get_attribute( $name )->dump( 2 );
171	dpavlin	386	$form .= qq\|<label for="$name"$label_title>$label</label>\| . $value_html;
172	dpavlin	369	}
173	dpavlin	645	$form .= qq\|<input type="hidden" name="frey-checkboxes" value="\| . join(' ', @checkboxes) . qq\|">\| if @checkboxes;
174
175			my $html;
176
177			$html = qq\|
178			<h1>$class params</h1>
179			<form method="post">
180			$form
181			<input type="submit" value="Run $class">
182			</form>
183			\| if $form;
184
185	dpavlin	507	$self->add_status({
186	dpavlin	595	$self->class => {
187	dpavlin	469	params => $self->params,
188			config_params => $config_params,
189			default => $default
190	dpavlin	390	},
191	dpavlin	507	});
192	dpavlin	369
193	dpavlin	386	return ($html,$default) if wantarray;
194	dpavlin	369	return $html;
195			}
196
197			1;