kivitendo/SL/Helper/Csv/Dispatcher.pm @ 17d58914
| 17d58914 | Sven Schöling | package SL::Helper::Csv::Dispatcher;
|
|
use strict;
|
|||
use Data::Dumper;
|
|||
use Carp;
|
|||
use Scalar::Util qw(weaken);
|
|||
use Rose::Object::MakeMethods::Generic scalar => [ qw(
|
|||
_specs _errors
|
|||
) ];
|
|||
sub new {
|
|||
my ($class, $parent) = @_;
|
|||
my $self = bless { }, $class;
|
|||
weaken($self->{_csv} = $parent);
|
|||
$self->_errors([]);
|
|||
return $self;
|
|||
}
|
|||
sub dispatch {
|
|||
my ($self, $obj, $line) = @_;
|
|||
for my $spec (@{ $self->_specs }) {
|
|||
$self->apply($obj, $spec, $line->{$spec->{key}});
|
|||
}
|
|||
}
|
|||
sub apply {
|
|||
my ($self, $obj, $spec, $value) = @_;
|
|||
return unless $value;
|
|||
for my $step (@{ $spec->{steps} }) {
|
|||
my ($acc, $class) = @$step;
|
|||
if ($class) {
|
|||
eval "require $class; 1" or die "could not load class '$class'";
|
|||
$obj->$acc($class->new) if ! $$obj->$acc;
|
|||
$obj = $obj->$acc;
|
|||
} else {
|
|||
$obj->$acc($value);
|
|||
}
|
|||
}
|
|||
}
|
|||
sub is_known {
|
|||
my ($self, $col) = @_;
|
|||
return grep { $col eq $_->{key} } $self->_specs;
|
|||
}
|
|||
sub parse_profile {
|
|||
my ($self, %params) = @_;
|
|||
my $header = $self->_csv->header;
|
|||
my $profile = $self->_csv->profile;
|
|||
my @specs;
|
|||
for my $col (@$header) {
|
|||
next unless $col;
|
|||
push @specs, $self->make_spec($col, $profile->{$col} || $col);
|
|||
}
|
|||
$self->_specs(\@specs);
|
|||
$self->_csv->_push_error($self->errors);
|
|||
return ! $self->errors;
|
|||
}
|
|||
sub make_spec {
|
|||
my ($self, $col, $path) = @_;
|
|||
my $spec = { key => $col, steps => [] };
|
|||
my $cur_class = $self->_csv->class;
|
|||
for my $step ( split /\./, $path ) {
|
|||
if ($cur_class->can($step)) {
|
|||
if ($cur_class->meta->relationship($step)) { #a
|
|||
my $next_class = $cur_class->meta->relationsship($step)->class;
|
|||
push @{ $spec->{steps} }, [ $step, $next_class ];
|
|||
$cur_class = $next_class;
|
|||
} else { # simple dispatch
|
|||
push @{ $spec->{steps} }, [ $step ];
|
|||
last;
|
|||
}
|
|||
} else {
|
|||
$self->unknown_column($col, $path);
|
|||
}
|
|||
}
|
|||
return $spec;
|
|||
}
|
|||
sub unknown_column {
|
|||
my ($self, $col, $path) = @_;
|
|||
return if $self->_csv->ignore_unknown_columns;
|
|||
$self->_push_error([
|
|||
$col,
|
|||
undef,
|
|||
"header field '$col' is not recognized",
|
|||
undef,
|
|||
0,
|
|||
]);
|
|||
}
|
|||
sub _csv {
|
|||
$_[0]->{_csv};
|
|||
}
|
|||
sub errors {
|
|||
@{ $_[0]->_errors }
|
|||
}
|
|||
sub _push_error {
|
|||
my ($self, @errors) = @_;
|
|||
my @new_errors = ($self->errors, @errors);
|
|||
$self->_errors(\@new_errors);
|
|||
}
|
|||
1;
|