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package SL::Controller::Letter;

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

use Carp;
use File::Basename;
use POSIX qw(strftime);
use SL::Controller::Helper::GetModels;
use SL::Controller::Helper::ReportGenerator;
use SL::CT;
use SL::DB::Employee;
use SL::DB::Language;
use SL::DB::Letter;
use SL::DB::LetterDraft;
use SL::DB::Printer;
use SL::Helper::Flash qw(flash flash_later);
use SL::Helper::CreatePDF;
use SL::Helper::PrintOptions;
use SL::Locale::String qw(t8);
use SL::Mailer;
use SL::IS;
use SL::Presenter::Tag qw(select_tag);
use SL::ReportGenerator;
use SL::Webdav;
use SL::Webdav::File;

use Rose::Object::MakeMethods::Generic (
'scalar --get_set_init' => [ qw(letter all_employees models webdav_objects is_sales) ],
);

__PACKAGE__->run_before('check_auth_edit');
__PACKAGE__->run_before('check_auth_report', only => [ qw(list) ]);

use constant TEXT_CREATED_FOR_VALUES => (qw(presskit fax letter));
use constant PAGE_CREATED_FOR_VALUES => (qw(sketch 1 2));

my %sort_columns = (
date => t8('Date'),
subject => t8('Subject'),
letternumber => t8('Letternumber'),
customer_id => t8('Customer'),
vendor_id => t8('Vendor'),
contact => t8('Contact'),
);

### actions

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

return if $self->load_letter_draft(%params);

$self->letter->employee_id(SL::DB::Manager::Employee->current->id);
$self->letter->salesman_id(SL::DB::Manager::Employee->current->id);

$self->_display(
title => t8('Add Letter'),
language_id => $params{language_id},
);
}

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

return $self->action_add
unless $::form->{letter} || $::form->{draft};

if ($::form->{draft}) {
$self->letter(SL::DB::Letter->new_from_draft($::form->{draft}{id}));
$self->is_sales($self->letter->is_sales);
}

$self->_display(
title => t8('Edit Letter'),
);
}

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

my $letter = $self->_update;

if (!$self->check_letter($letter)) {
return $self->_display;
}

$self->check_number;

if (!$letter->save) {
flash('error', t8('There was an error saving the letter'));
return $self->_display;
}

flash('info', t8('Letter saved!'));

$self->_display;
}

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

my $letter = $self->letter;

if (!$self->letter->has_customer_vendor) {
return $self->js
->replaceWith(
'#letter_cp_id',
select_tag('letter.cp_id', [], value_key => 'cp_id', title_key => 'full_name')
)
->render;
}

my $contacts = $letter->customer_vendor->contacts;

my $default;
if ( $letter->contact
&& $letter->contact->cp_cv_id
&& $letter->contact->cp_cv_id == $letter->customer_vendor_id) {
$default = $letter->contact->cp_id;
} else {
$default = '';
}

$self->js
->replaceWith(
'#letter_cp_id',
select_tag('letter.cp_id', $contacts, default => $default, value_key => 'cp_id', title_key => 'full_name')
)
->render;
}

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

$self->check_letter;

my $letter_draft = SL::DB::LetterDraft->new_from_letter($self->_update);

if (!$letter_draft->save) {
flash('error', t8('There was an error saving the letter draft'));
return $self->_display;
}

flash('info', t8('Draft for this Letter saved!'));

$self->_display;
}

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

if (!$self->letter->delete) {
flash('error', t8('An error occurred. Letter could not be deleted.'));
return $self->action_update;
}

flash_later('info', t8('Letter deleted'));
$self->redirect_to(action => 'list');
}

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

my @ids = grep { /^checked_(.*)/ && $::form->{$_} } keys %$::form;

SL::DB::Manager::LetterDraft->delete_all(query => [ ids => \@ids ]) if @ids;

$self->redirect_to(action => 'add');
}

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

$self->setup_list_action_bar;
$self->make_filter_summary;
$self->prepare_report;

my $letters = $self->models->get;
$self->report_generator_list_objects(report => $self->{report}, objects => $letters);

}

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

my $display_form = $::form->{display_form} || "display_form";
my $letter = $self->_update;

my ($template_file, @template_files) = SL::Helper::CreatePDF->find_template(
name => 'letter',
printer_id => $::form->{printer_id},
language_id => $::form->{language_id},
formname => 'letter',
format => 'pdf',
);

if (!defined $template_file) {
$::form->error($::locale->text('Cannot find matching template for this print request. Please contact your template maintainer. I tried these: #1.', join ', ', map { "'$_'"} @template_files));
}

my %result;
eval {
%result = SL::Template::LaTeX->parse_and_create_pdf(
$template_file,
SELF => $self,
FORM => $::form,
letter => $letter,
template_meta => {
formname => 'letter',
language => SL::DB::Language->new,
extension => 'pdf',
format => $::form->{format},
media => $::form->{media},
printer => SL::DB::Manager::Printer->find_by_or_create(id => $::form->{printer_id} || undef),
today => DateTime->today,
},
);

die $result{error} if $result{error};

$::form->{type} = 'letter';
$::form->{formname} = 'letter';
$::form->{letternumber} = $letter->letternumber;
my $attachment_name = $::form->generate_attachment_filename;

if ($::instance_conf->get_webdav_documents) {
my $webdav_file = SL::Webdav::File->new(
filename => $attachment_name,
webdav => SL::Webdav->new(
type => 'letter',
number => $letter->letternumber,
),
);

$webdav_file->store(file => $result{file_name});
}

# set some form defaults for printing webdav copy variables
if ( $::form->{media} eq 'email') {
my $mail = Mailer->new;
my $signature = $::myconfig{signature};
$mail->{$_} = $params{email}->{$_} for qw(to cc subject message bcc);
$mail->{from} = qq|"$::myconfig{name}" <$::myconfig{email}>|;
$mail->{attachments} = [{ path => $result{file_name},
name => $params{email}->{attachment_filename} }];
$mail->{message} .= "\n-- \n$signature";
$mail->{message} =~ s/\r//g;
$mail->{record_id} = $letter->id;
$mail->send;
unlink $result{file_name};

flash_later('info', t8('The email has been sent.'));
$self->redirect_to(action => 'edit', 'letter.id' => $letter->id);

return 1;
}

if (!$::form->{printer_id} || $::form->{media} eq 'screen') {
$self->send_file($result{file_name}, name => $attachment_name);
unlink $result{file_name};

return 1;
}

my $printer = SL::DB::Printer->new(id => $::form->{printer_id})->load;
$printer->print_document(
copies => $::form->{copies},
file_name => $result{file_name},
);

unlink $result{file_name};

flash_later('info', t8('The documents have been sent to the printer \'#1\'.', $printer->printer_description));
$self->redirect_to(action => 'edit', 'letter.id' => $letter->id, media => 'printer', printer_id => $::form->{printer_id});
1;
} or do {
unlink $result{file_name} if $result{file_name};
$::form->error(t8("Creating the PDF failed:") . " " . $@);
};
}

sub action_update {
my ($self, $name_selected) = @_;

$self->_display(
letter => $self->_update,
);
}

sub action_skip_draft {
my ($self) = @_;
$self->action_add(skip_drafts => 1);
}

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

my @ids = @{ $::form->{ids} || [] };
SL::DB::Manager::LetterDraft->delete_all(where => [ id => \@ids ]) if @ids;

$self->action_add(skip_drafts => 1);
}

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

$::form->{media} = 'email';
$self->action_print_letter(email => $::form->{email_form});
}

### internal methods

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

$::request->{layout}->use_javascript("${_}.js") for qw(ckeditor/ckeditor ckeditor/adapters/jquery kivi.Letter);

my $letter = $self->letter;

$params{title} ||= t8('Edit Letter');

$::form->{type} = 'letter'; # needed for print_options
$::form->{vc} = $letter->is_sales ? 'customer' : 'vendor'; # needs to be for _get_contacts...

$::form->{language_id} ||= $params{language_id};
$::form->{languages} ||= SL::DB::Manager::Language->get_all_sorted;
$::form->{printers} = SL::DB::Manager::Printer->get_all_sorted;

$self->setup_display_action_bar;
$self->render('letter/edit',
%params,
TCF => [ map { key => $_, value => t8(ucfirst $_) }, TEXT_CREATED_FOR_VALUES() ],
PCF => [ map { key => $_, value => t8(ucfirst $_) }, PAGE_CREATED_FOR_VALUES() ],
letter => $letter,
employees => $self->all_employees,
print_options => SL::Helper::PrintOptions->get_print_options (
options => { no_postscript => 1,
no_opendocument => 1,
no_html => 1,
no_queue => 1,
show_headers => 1,
}),

);
}

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

my $letter = $self->letter;

$self->check_date;
$self->set_greetings;

return $letter;
}

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

my $report = SL::ReportGenerator->new(\%::myconfig, $::form);
$self->{report} = $report;

my @columns = qw(date subject letternumber customer_id vendor_id contact date);
my @sortable = qw(date subject letternumber customer_id vendor_id contact date);

my %column_defs = (
date => { text => t8('Date'), sub => sub { $_[0]->date_as_date } },
subject => { text => t8('Subject'), sub => sub { $_[0]->subject },
obj_link => sub { $self->url_for(action => 'edit', 'letter.id' => $_[0]->id, callback => $self->models->get_callback) } },
letternumber => { text => t8('Letternumber'), sub => sub { $_[0]->letternumber },
obj_link => sub { $self->url_for(action => 'edit', 'letter.id' => $_[0]->id, callback => $self->models->get_callback) } },
customer_id => { text => t8('Customer'), sub => sub { SL::DB::Manager::Customer->find_by_or_create(id => $_[0]->customer_id)->displayable_name }, visible => $self->is_sales },
vendor_id => { text => t8('Vendor'), sub => sub { SL::DB::Manager::Vendor->find_by_or_create(id => $_[0]->vendor_id)->displayable_name }, visible => !$self->is_sales},
contact => { text => t8('Contact'), sub => sub { $_[0]->contact ? $_[0]->contact->full_name : '' } },
);

$column_defs{$_}{text} = $sort_columns{$_} for keys %column_defs;

$report->set_options(
std_column_visibility => 1,
controller_class => 'Letter',
output_format => 'HTML',
title => t8('Letters'),
allow_pdf_export => 1,
allow_csv_export => 1,
);

$report->set_columns(%column_defs);
$report->set_column_order(@columns);
$report->set_export_options(qw(list filter is_sales));
$report->set_options_from_form;

$self->models->disable_plugin('paginated') if $report->{options}{output_format} =~ /^(pdf|csv)$/i;
$self->models->add_additional_url_params(is_sales => $self->is_sales);
$self->models->finalize;
$self->models->set_report_generator_sort_options(report => $report, sortable_columns => \@sortable);

$report->set_options(
raw_top_info_text => $self->render('letter/report_top', { output => 0 }),
raw_bottom_info_text => $self->render('letter/report_bottom', { output => 0 }, models => $self->models),
attachment_basename => t8('letters_list') . strftime('_%Y%m%d', localtime time),
);
}

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

my $filter = $::form->{filter} || {};
my @filter_strings;

my $employee = $filter->{employee_id} ? SL::DB::Employee->new(id => $filter->{employee_id})->load->name : '';
my $salesman = $filter->{salesman_id} ? SL::DB::Employee->new(id => $filter->{salesman_id})->load->name : '';

my @filters = (
[ $filter->{"letternumber:substr::ilike"}, t8('Number') ],
[ $filter->{"subject:substr::ilike"}, t8('Subject') ],
[ $filter->{"body:substr::ilike"}, t8('Body') ],
[ $filter->{"date:date::ge"}, t8('From Date') ],
[ $filter->{"date:date::le"}, t8('To Date') ],
[ $employee, t8('Employee') ],
[ $salesman, t8('Salesman') ],
);

my %flags = (
);
my @flags = map { $flags{$_} } @{ $filter->{part}{type} || [] };

for (@flags) {
push @filter_strings, $_ if $_;
}
for (@filters) {
push @filter_strings, "$_->[1]: $_->[0]" if $_->[0];
}

$self->{filter_summary} = join ', ', @filter_strings;
}

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

return 0 if $params{skip_drafts};

my $letter_drafts = SL::DB::Manager::LetterDraft->get_all(
query => [
SL::DB::Manager::Letter->is_sales_filter($self->is_sales),
]
);

return unless @$letter_drafts;

$self->setup_load_letter_draft_action_bar;
$self->render('letter/load_drafts',
title => t8('Letter Draft'),
LETTER_DRAFTS => $letter_drafts,
);

return 1;
}

sub check_date {
my ($self) = @_;
my $letter = $self->letter;

return unless $letter;
return if $letter->date;

$letter->date(DateTime->today)
}

sub check_letter {
my ($self, $letter) = @_;

$letter ||= $self->letter;

my $error;

if (!$letter->subject) {
flash('error', t8('The subject is missing.'));
$error = 1;
}
if (!$letter->body) {
flash('error', t8('The body is missing.'));
$error = 1;
}
if (!$letter->employee_id) {
flash('error', t8('The employee is missing.'));
$error = 1;
}

return !$error;
}

sub check_number {
my ($self, $letter) = @_;

$letter ||= $self->letter;

return if $letter->letternumber;

$letter->letternumber(SL::TransNumber->new(type => 'letter', id => $self->{id}, number => $self->{letternumber})->create_unique);
}

sub set_greetings {
my ($self) = @_;
my $letter = $self->letter;

return unless $letter;
return if $letter->greeting;

$letter->greeting(t8('Dear Sir or Madam,'));
}

sub export_letter_to_form {
my ($self, $letter) = @_;
# nope, not pretty.

$letter ||= $self->letter;

for ($letter->meta->columns) {
if ((ref $_) =~ /Date/i) {
$::form->{$_->name} = $letter->$_->to_kivitendo;
} else {
$::form->{$_->name} = $letter->$_;
}
}
}

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

my $letter = SL::DB::Manager::Letter->find_by_or_create(id => $::form->{letter}{id} || 0)
->assign_attributes(%{ $::form->{letter} });

if ($letter->cp_id) {
# $letter->customer_vendor_id($letter->contact->cp_cv_id);
# contacts don't have language_id yet
# $letter->greeting(GenericTranslations->get(
# translation_type => 'greetings::' . ($letter->contact->cp_gender eq 'f' ? 'female' : 'male'),
# language_id => $letter->contact->language_id,
# allow_fallback => 1
# ));
}

$self->is_sales($letter->is_sales) if $letter->id;

$letter;
}

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

SL::Controller::Helper::GetModels->new(
controller => $self,
model => 'Letter',
query => [
SL::DB::Manager::Letter->is_sales_filter($self->is_sales),
],
sorted => \%sort_columns,
with_objects => [ 'contact', 'salesman', 'employee' ],
);
}

sub init_all_employees {
SL::DB::Manager::Employee->get_all(query => [ deleted => 0 ]);
}

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

return [] if !$self->letter || !$self->letter->letternumber || !$::instance_conf->get_webdav;

my $webdav = SL::Webdav->new(
type => 'letter',
number => $self->letter->letternumber,
);

my @all_objects = $webdav->get_all_objects;

return [ map {
+{ name => $_->filename,
type => t8('File'),
link => File::Spec->catfile($_->full_filedescriptor),
}
} @all_objects ];
}

sub init_is_sales {
die 'is_sales must be set' unless defined $::form->{is_sales};
$::form->{is_sales};
}

sub check_auth_edit {
$::form->{is_sales} ? $::auth->assert('sales_letter_edit')
: $::auth->assert('purchase_letter_edit');
}

sub check_auth_report {
$::form->{is_sales} ? $::auth->assert('sales_letter_report')
: $::auth->assert('purchase_letter_report');
}

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

for my $bar ($::request->layout->get('actionbar')) {
$bar->add(
link => [
t8('Skip'),
link => $self->url_for(action => 'skip_draft', is_sales => $self->is_sales),
accesskey => 'enter',
],
action => [
t8('Delete'),
submit => [ '#form', { action => 'delete_drafts' } ],
checks => [ [ 'kivi.check_if_entries_selected', '[name="ids[+]"]' ] ],
confirm => t8('Do you really want to delete this draft?'),
],
);
}
}

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

for my $bar ($::request->layout->get('actionbar')) {
$bar->add(
action => [
t8('Update'),
submit => [ '#form', { action => 'Letter/update' } ],
accesskey => 'enter',
],

combobox => [
action => [
t8('Save'),
submit => [ '#form', { action => 'Letter/save' } ],
],
action => [
t8('Save Draft'),
submit => [ '#form', { action => 'Letter/save_letter_draft' } ],
],
], # end of combobox "Save"

action => [
t8('Delete'),
submit => [ '#form', { action => 'Letter/delete' } ],
confirm => t8('Are you sure you want to delete this letter?'),
disabled => !$self->letter->id ? t8('The object has not been saved yet.') : undef,
],

combobox => [
action => [ t8('Export') ],
action => [
t8('Print'),
call => [ 'kivi.SalesPurchase.show_print_dialog', 'Letter/print_letter' ],
disabled => !$self->letter->id ? t8('The object has not been saved yet.') : undef,
],
action => [
t8('E-mail'),
call => [ 'kivi.SalesPurchase.show_email_dialog', 'Letter/send_email' ],
disabled => !$self->letter->id ? t8('The object has not been saved yet.') : undef,
],
],
);
}
}

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

for my $bar ($::request->layout->get('actionbar')) {
$bar->add(
action => [
t8('Update'),
submit => [ '#search_form', { action => 'Letter/list' } ],
accesskey => 'enter',
],
);
}
}

1;

__END__

=encoding utf-8

=head1 NAME

SL::Controller::Letter - Letters CRUD and printing

=head1 DESCRIPTION

Simple letter CRUD controller with drafting capabilities.

copy to webdav is crap

=head1 AUTHOR

Sven Schöling E<lt>s.schoeling@linet-services.deE<gt>

=cut
(33-33/72)