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use strict;
package HTML::FormFu::Role::FormAndBlockMethods;
# ABSTRACT: role for form and block methods
$HTML::FormFu::Role::FormAndBlockMethods::VERSION = '2.07';
use Moose::Role;
use HTML::FormFu::Util qw( _merge_hashes );
use Carp qw( croak );
use List::Util 1.33 qw( none );
sub default_args {
my ( $self, $defaults ) = @_;
$self->{default_args} ||= {};
if ($defaults) {
my @valid_types = qw(
elements deflators
filters constraints
inflators validators
transformers output_processors
);
for my $type ( keys %$defaults ) {
croak "not a valid type for default_args: '$type'"
if none { $type eq $_ } @valid_types;
}
$self->{default_args}
= _merge_hashes( $self->{default_args}, $defaults );
}
return $self->{default_args};
}
sub constraints_from_dbic {
my ( $self, $source, $map ) = @_;
if ( 2 == @_ && 'ARRAY' eq ref $source ) {
( $source, $map ) = @$source;
}
$map ||= {};
$source = _result_source($source);
for my $col ( $source->columns ) {
_add_constraints( $self, $col, $source->column_info($col) );
}
for my $col ( keys %$map ) {
my $source = _result_source( $map->{$col} );
_add_constraints( $self, $col, $source->column_info($col) );
}
return $self;
}
sub _result_source {
my ($source) = @_;
if ( blessed $source ) {
$source = $source->result_source;
}
return $source;
}
sub _add_constraints {
my ( $self, $col, $info ) = @_;
# We need to ensure we're only using this Block's children,
# as far as 'nested_name' is concerned.
# But we can't use get_elements() in case the fields are in sub-Blocks
# that don't have 'nested_name' set.
my $parent = $self;
my @parent_names;
do {
my $nested_name = $parent->nested_name;
if ( defined $nested_name && length $nested_name ) {
push @parent_names, $nested_name;
}
} while ( $parent = $parent->parent );
my $fields = $self->get_fields($col);
return if !@$fields;
if (@parent_names) {
my $pre = join ".", reverse @parent_names;
@$fields = grep { $_->nested_name eq "$pre." . $_->name } @$fields;
}
else {
@$fields = grep { $_->nested_name eq $_->name } @$fields;
}
return if !@$fields;
return if !defined $info->{data_type};
my $type = lc $info->{data_type};
if ( $type =~ /(char|text|binary)\z/ && defined $info->{size} ) {
# char, varchar, *text, binary, varbinary
_add_constraint_max_length( $self, $fields, $info );
}
elsif ( $type =~ /int/ ) {
_add_constraint_integer( $self, $fields, $info );
if ( $info->{extra}{unsigned} ) {
_add_constraint_unsigned( $self, $fields, $info );
}
}
elsif ( $type =~ /enum|set/ && defined $info->{extra}{list} ) {
_add_constraint_set( $self, $fields, $info );
}
elsif ( $type =~ /bool/ ) {
_add_constraint_bool( $self, $fields, $info );
}
elsif ( $type =~ /decimal/ ) {
_add_constraint_decimal( $self, $fields, $info );
}
}
sub _add_constraint_max_length {
my ( $self, $fields, $info ) = @_;
map { $_->constraint( { type => 'MaxLength', max => $info->{size}, } ) }
@$fields;
}
sub _add_constraint_integer {
my ( $self, $fields, $info ) = @_;
map { $_->constraint( { type => 'Integer', } ) } @$fields;
}
sub _add_constraint_unsigned {
my ( $self, $fields, $info ) = @_;
map { $_->constraint( { type => 'Range', min => 0, } ) } @$fields;
}
sub _add_constraint_set {
my ( $self, $fields, $info ) = @_;
map { $_->constraint( { type => 'Set', set => $info->{extra}{list}, } ) }
@$fields;
}
sub _add_constraint_bool {
my ( $self, $fields, $info ) = @_;
map { $_->constraint( { type => 'Set', set => [ 0, 1 ] } ) } @$fields;
}
sub _add_constraint_decimal {
my ( $self, $fields, $info ) = @_;
my $size = $info->{size};
my $regex;
if ( defined $size ) {
if ( 'ARRAY' eq ref $size && 2 == @$size ) {
my ( $i, $j ) = @$size;
$i -= $j;
$regex = qr/^ [0-9]{0,$i} (?: \. [0-9]{0,$j} )? \z/x;
}
elsif ( 'ARRAY' eq ref $size && 1 == @$size ) {
my ($i) = @$size;
$regex = qr/^ [0-9]{0,$i} \z/x;
}
elsif ( 0 == $size ) {
$regex = qr/^ [0-9]+ \z/x;
}
elsif ( $size =~ /^[0-9]+\z/ ) {
$regex = qr/^ [0-9]{0,$size} \z/x;
}
}
$regex ||= qr/^ [0-9]+ (?: \. [0-9]+ )? \z/x;
map { $_->constraint( { type => 'Regex', regex => $regex } ) } @$fields;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
HTML::FormFu::Role::FormAndBlockMethods - role for form and block methods
=head1 VERSION
version 2.07
=head1 AUTHOR
Carl Franks <cpan@fireartist.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2018 by Carl Franks.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
