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package SL::Controller::CsvImport;

use strict;

use SL::DB::CsvImportProfile;
use SL::Helper::Flash;

use List::MoreUtils qw(none);

use parent qw(SL::Controller::Base);

use Rose::Object::MakeMethods::Generic
(
scalar => [ qw(type profile all_profiles all_charsets sep_char all_sep_chars quote_char all_quote_chars escape_char all_escape_chars) ],
);

__PACKAGE__->run_before('check_auth');
__PACKAGE__->run_before('ensure_form_structure');
__PACKAGE__->run_before('check_type');
__PACKAGE__->run_before('load_all_profiles');

#
# actions
#

sub action_new {
my ($self) = @_;

$self->load_default_profile unless $self->profile;
$self->render_inputs;
}

sub action_test {
my ($self) = @_;
$self->test_and_import(test => 1);
}

sub action_import {
my $self = shift;
$self->test_and_import(test => 0);
}

sub action_save {
my ($self) = @_;

$self->profile_from_form(SL::DB::Manager::CsvImportProfile->find_by(name => $::form->{profile}->{name}));
$self->profile->save;

flash_later('info', $::locale->text("The profile has been saved under the name '#1'.", $self->profile->name));
$self->redirect_to(action => 'new', 'profile.type' => $self->type, 'profile.id' => $self->profile->id);
}

sub action_destroy {
my $self = shift;

my $profile = SL::DB::CsvImportProfile->new(id => $::form->{profile}->{id});
$profile->delete(cascade => 1);

flash_later('info', $::locale->text('The profile \'#1\' has been deleted.', $profile->name));
$self->redirect_to(action => 'new', 'profile.type' => $self->type);
}

#
# filters
#

sub check_auth {
$::auth->assert('config');
}

sub check_type {
my ($self) = @_;

die "Invalid CSV import type" if none { $_ eq $::form->{profile}->{type} } qw(parts customers_vendors addresses contacts);
$self->type($::form->{profile}->{type});
}

sub ensure_form_structure {
my ($self, %params) = @_;

$::form->{profile} = {} unless ref $::form->{profile} eq 'HASH';
$::form->{settings} = {} unless ref $::form->{settings} eq 'HASH';
}

#
# helpers
#

sub render_inputs {
my ($self, %params) = @_;

$self->all_charsets([ [ 'UTF-8', 'UTF-8' ],
[ 'ISO-8859-1', 'ISO-8859-1 (Latin 1)' ],
[ 'ISO-8859-15', 'ISO-8859-15 (Latin 9)' ],
[ 'CP850', 'CP850 (DOS/ANSI)' ],
[ 'CP1252', 'CP1252 (Windows)' ],
]);

my %char_map = $self->char_map;

foreach my $type (qw(sep quote escape)) {
my $sub = "all_${type}_chars";
$self->$sub([ sort { $a->[0] cmp $b->[0] } values %{ $char_map{$type} } ]);

my $char = $self->profile->get($type . '_char');
$sub = "${type}_char";
$self->$sub(($char_map{$type}->{$char} || [])->[0] || $char);
}

if ($self->type eq 'customers_vendors') {
$self->render('csv_import/form_customers_vendors', title => $::locale->text('CSV import: customers and vendors'));

} elsif ($self->type eq 'addresses') {
$self->render('csv_import/form_addresses', title => $::locale->text('CSV import: shipping addresses'));

} elsif ($self->type eq 'contacts') {
$self->render('csv_import/form_contacts', title => $::locale->text('CSV import: contacts'));

} elsif ($self->type eq 'parts') {
$self->render('csv_import/form_parts', title => $::locale->text('CSV import: parts, services and assemblies'));

} else {
die;
}
}

sub test_and_import {
my ($self, %params) = @_;

$self->profile_from_form;

# do the import thingy...
$self->action_new;
}

sub load_default_profile {
my ($self) = @_;

if ($::form->{profile}->{id}) {
$self->profile(SL::DB::CsvImportProfile->new(id => $::form->{profile}->{id})->load);

} else {
$self->profile(SL::DB::Manager::CsvImportProfile->find_by(type => $self->{type}, is_default => 1));
$self->profile(SL::DB::CsvImportProfile->new(type => $self->{type})) unless $self->profile;
}

$self->profile->set_defaults;
}

sub load_all_profiles {
my ($self, %params) = @_;

$self->all_profiles(SL::DB::Manager::CsvImportProfile->get_all(where => [ type => $self->type ], sort_by => 'name'));
}

sub profile_from_form {
my ($self, $existing_profile) = @_;

delete $::form->{profile}->{id};

my %char_map = $self->char_map;
my @settings;

foreach my $type (qw(sep quote escape)) {
my %rev_chars = map { $char_map{$type}->{$_}->[0] => $_ } keys %{ $char_map{$type} };
my $char = $::form->{"${type}_char"} eq 'custom' ? $::form->{"custom_${type}_char"} : $rev_chars{ $::form->{"${type}_char"} };

push @settings, { key => "${type}_char", value => $char };
}

delete $::form->{profile}->{id};
$self->profile($existing_profile || SL::DB::CsvImportProfile->new);
$self->profile->assign_attributes(%{ $::form->{profile} });
$self->profile->settings(map({ { key => $_, value => $::form->{settings}->{$_} } } keys %{ $::form->{settings} }),
@settings);
$self->profile->set_defaults;
}

sub char_map {
return ( sep => { ',' => [ 'comma', $::locale->text('Comma') ],
';' => [ 'semicolon', $::locale->text('Semicolon') ],
"\t" => [ 'tab', $::locale->text('Tab') ],
' ' => [ 'space', $::locale->text('Space') ],
},
quote => { '"' => [ 'quote', $::locale->text('Quotes') ],
"'" => [ 'singlequote', $::locale->text('Single quotes') ],
},
escape => { '"' => [ 'quote', $::locale->text('Quotes') ],
"'" => [ 'singlequote', $::locale->text('Single quotes') ],
},
);
}

1;