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#======================================================================
# LX-Office ERP
#
#======================================================================
#
# Saving and loading drafts
#
#======================================================================

use YAML;

use SL::Drafts;

require "bin/mozilla/common.pl";

use strict;

sub save_draft {
$main::lxdebug->enter_sub();

my $form = $main::form;
my %myconfig = %main::myconfig;
my $locale = $main::locale;

if (!$form->{draft_id} && !$form->{draft_description}) {
restore_form($form->{SAVED_FORM}, 1) if ($form->{SAVED_FORM});
delete $form->{SAVED_FORM};

$form->{SAVED_FORM} = save_form(qw(login password));
$form->{remove_draft} = 1;

$form->header();
print($form->parse_html_template("drafts/save_new"));

return $main::lxdebug->leave_sub();
}

my ($draft_id, $draft_description) = ($form->{draft_id}, $form->{draft_description});

restore_form($form->{SAVED_FORM}, 1);
delete $form->{SAVED_FORM};

Drafts->save(\%myconfig, $form, $draft_id, $draft_description);

$form->{saved_message} = $locale->text("Draft saved.");

update();

$main::lxdebug->leave_sub();
}

sub remove_draft {
$main::lxdebug->enter_sub();

my $form = $main::form;
my %myconfig = %main::myconfig;

Drafts->remove(\%myconfig, $form, $form->{draft_id}) if ($form->{draft_id});

delete @{$form}{qw(draft_id draft_description)};

$main::lxdebug->leave_sub();
}

sub load_draft_maybe {
$main::lxdebug->enter_sub();

my $form = $main::form;
my %myconfig = %main::myconfig;

$main::lxdebug->leave_sub() and return 0 if ($form->{DONT_LOAD_DRAFT});

my ($draft_nextsub) = @_;

my @drafts = Drafts->list(\%myconfig, $form);

$main::lxdebug->leave_sub() and return 0 unless (@drafts);

$draft_nextsub = "add" unless ($draft_nextsub);

delete $form->{action};
my $saved_form = save_form(qw(login password));

$form->header();
print($form->parse_html_template("drafts/load",
{ "DRAFTS" => \@drafts,
"SAVED_FORM" => $saved_form,
"draft_nextsub" => $draft_nextsub }));

$main::lxdebug->leave_sub();

return 1;
}

sub dont_load_draft {
$main::lxdebug->enter_sub();

my $form = $main::form;

my $draft_nextsub = $form->{draft_nextsub} || "add";

restore_form($form->{SAVED_FORM}, 1);
delete $form->{SAVED_FORM};

$form->{DONT_LOAD_DRAFT} = 1;

call_sub($draft_nextsub);

$main::lxdebug->leave_sub();
}

sub load_draft {
$main::lxdebug->enter_sub();

my $form = $main::form;
my %myconfig = %main::myconfig;

# check and store certain form parameters that might have been passed as get, so we can later overwrite the values from the draft
# the overwrite happens at the end of this function
my @valid_overwrite_vars = qw(remove_draft amount_1 invnumber ordnumber transdate duedate notes datepaid_1 paid_1 callback AP_paid_1 currency); # reference description
my $overwrite_hash;
# my @valid_fields;
foreach ( @valid_overwrite_vars ) {
$overwrite_hash->{$_} = $form->{$_} if exists $form->{$_}; # variant 1
# push(@valid_fields, $_) if exists $form->{$_}; # variant 2
};

my ($old_form, $id, $description) = Drafts->load(\%myconfig, $form, $form->{id});

if ($old_form) {
$old_form = YAML::Load($old_form);

my %dont_save_vars = map { $_ => 1 } Drafts->dont_save;
my @restore_vars = grep { !$dont_save_vars{$_} } keys %{ $old_form };

@{$form}{@restore_vars} = @{$old_form}{@restore_vars};

$form->{draft_id} = $id;
$form->{draft_description} = $description;
$form->{remove_draft} = 'checked';
}
# Ich vergesse bei Rechnungsentwürfe das Rechnungsdatum zu ändern. Dadurch entstehen
# ungültige Belege. Vielleicht geht es anderen ähnlich jan 19.2.2011
$form->{invdate} = $form->current_date(\%myconfig); # Aktuelles Rechnungsdatum ...
$form->{duedate} = $form->current_date(\%myconfig); # Aktuelles Fälligkeitsdatum ...

if ( $overwrite_hash ) {
foreach ( keys $overwrite_hash ) {
$form->{$_} = $overwrite_hash->{$_}; # variante 1
};
};
# @{$form}{@valid_fields} = @{$overwrite_hash}{@valid_fields}; # variante 2

update();

$main::lxdebug->leave_sub();
}

sub delete_drafts {
$main::lxdebug->enter_sub();

my $form = $main::form;
my %myconfig = %main::myconfig;

my @ids;
foreach (keys %{$form}) {
push @ids, $1 if (/^checked_(.*)/ && $form->{$_});
}
Drafts->remove(\%myconfig, $form, @ids) if (@ids);

restore_form($form->{SAVED_FORM}, 1);
delete $form->{SAVED_FORM};

add();

$main::lxdebug->leave_sub();
}

sub draft_action_dispatcher {
$main::lxdebug->enter_sub();

my $form = $main::form;
my $locale = $main::locale;

if ($form->{draft_action} eq $locale->text("Skip")) {
dont_load_draft();

} elsif ($form->{draft_action} eq $locale->text("Delete drafts")) {
delete_drafts();
}

$main::lxdebug->leave_sub();
}

1;
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