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package SL::DB::Order;

use utf8;
use strict;

use Carp;
use DateTime;
use List::Util qw(max);
use List::MoreUtils qw(any);

use SL::DB::MetaSetup::Order;
use SL::DB::Manager::Order;
use SL::DB::Helper::AttrHTML;
use SL::DB::Helper::AttrSorted;
use SL::DB::Helper::FlattenToForm;
use SL::DB::Helper::LinkedRecords;
use SL::DB::Helper::PriceTaxCalculator;
use SL::DB::Helper::PriceUpdater;
use SL::DB::Helper::TransNumberGenerator;
use SL::RecordLinks;
use Rose::DB::Object::Helpers qw(as_tree);

__PACKAGE__->meta->add_relationship(
orderitems => {
type => 'one to many',
class => 'SL::DB::OrderItem',
column_map => { id => 'trans_id' },
manager_args => {
with_objects => [ 'part' ]
}
},
periodic_invoices_config => {
type => 'one to one',
class => 'SL::DB::PeriodicInvoicesConfig',
column_map => { id => 'oe_id' },
},
custom_shipto => {
type => 'one to one',
class => 'SL::DB::Shipto',
column_map => { id => 'trans_id' },
query_args => [ module => 'OE' ],
},
);

__PACKAGE__->meta->initialize;

__PACKAGE__->attr_html('notes');
__PACKAGE__->attr_sorted('items');

__PACKAGE__->before_save('_before_save_set_ord_quo_number');

# hooks

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

# ordnumber is 'NOT NULL'. Therefore make sure it's always set to at
# least an empty string, even if we're saving a quotation.
$self->ordnumber('') if !$self->ordnumber;

my $field = $self->quotation ? 'quonumber' : 'ordnumber';
$self->create_trans_number if !$self->$field;

return 1;
}

# methods

sub items { goto &orderitems; }
sub add_items { goto &add_orderitems; }
sub record_number { goto &number; }

sub type {
my $self = shift;

return 'sales_order' if $self->customer_id && ! $self->quotation;
return 'purchase_order' if $self->vendor_id && ! $self->quotation;
return 'sales_quotation' if $self->customer_id && $self->quotation;
return 'request_quotation' if $self->vendor_id && $self->quotation;

return;
}

sub is_type {
return shift->type eq shift;
}

sub displayable_type {
my $type = shift->type;

return $::locale->text('Sales quotation') if $type eq 'sales_quotation';
return $::locale->text('Request quotation') if $type eq 'request_quotation';
return $::locale->text('Sales Order') if $type eq 'sales_order';
return $::locale->text('Purchase Order') if $type eq 'purchase_order';

die 'invalid type';
}

sub displayable_name {
join ' ', grep $_, map $_[0]->$_, qw(displayable_type record_number);
};

sub is_sales {
croak 'not an accessor' if @_ > 1;
return !!shift->customer_id;
}

sub invoices {
my $self = shift;
my %params = @_;

if ($self->quotation) {
return [];
} else {
require SL::DB::Invoice;
return SL::DB::Manager::Invoice->get_all(
query => [
ordnumber => $self->ordnumber,
@{ $params{query} || [] },
]
);
}
}

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

return $self->closed ? $::locale->text('closed') : $::locale->text('open');
}

sub abschlag_invoices {
return shift()->invoices(query => [ abschlag => 1 ]);
}

sub end_invoice {
return shift()->invoices(query => [ abschlag => 0 ]);
}

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

croak("Conversion to invoices is only supported for sales records") unless $self->customer_id;

my $invoice;
if (!$self->db->with_transaction(sub {
require SL::DB::Invoice;
$invoice = SL::DB::Invoice->new_from($self)->post(%params) || die;
$self->link_to_record($invoice);
$self->update_attributes(closed => 1);
1;
})) {
return undef;
}

return $invoice;
}

sub convert_to_delivery_order {
my ($self, @args) = @_;

my $delivery_order;
if (!$self->db->with_transaction(sub {
require SL::DB::DeliveryOrder;
$delivery_order = SL::DB::DeliveryOrder->new_from($self, @args);
$delivery_order->save;
$self->link_to_record($delivery_order);
# TODO extend link_to_record for items, otherwise long-term no d.r.y.
foreach my $item (@{ $delivery_order->items }) {
foreach (qw(orderitems)) { # expand if needed (delivery_order_items)
if ($item->{"converted_from_${_}_id"}) {
die unless $item->{id};
RecordLinks->create_links('dbh' => $self->db->dbh,
'mode' => 'ids',
'from_table' => $_,
'from_ids' => $item->{"converted_from_${_}_id"},
'to_table' => 'delivery_order_items',
'to_id' => $item->{id},
) || die;
delete $item->{"converted_from_${_}_id"};
}
}
}

$self->update_attributes(delivered => 1);
1;
})) {
return undef;
}

return $delivery_order;
}

sub _clone_orderitem_cvar {
my ($cvar) = @_;

my $cloned = $_->clone_and_reset;
$cloned->sub_module('orderitems');

return $cloned;
}

sub new_from {
my ($class, $source, %params) = @_;

croak("Unsupported source object type '" . ref($source) . "'") unless ref($source) eq 'SL::DB::Order';
croak("A destination type must be given as parameter") unless $params{destination_type};

my $destination_type = delete $params{destination_type};

my @from_tos = (
{ from => 'sales_quotation', to => 'sales_order', abbr => 'sqso' },
{ from => 'request_quotation', to => 'purchase_order', abbr => 'rqpo' },
{ from => 'sales_quotation', to => 'sales_quotation', abbr => 'sqsq' },
{ from => 'sales_order', to => 'sales_order', abbr => 'soso' },
{ from => 'request_quotation', to => 'request_quotation', abbr => 'rqrq' },
{ from => 'purchase_order', to => 'purchase_order', abbr => 'popo' },
{ from => 'sales_order', to => 'purchase_order', abbr => 'sopo' },
{ from => 'purchase_order', to => 'sales_order', abbr => 'poso' },
);
my $from_to = (grep { $_->{from} eq $source->type && $_->{to} eq $destination_type} @from_tos)[0];
croak("Cannot convert from '" . $source->type . "' to '" . $destination_type . "'") if !$from_to;

my $is_abbr_any = sub {
# foreach my $abbr (@_) {
# croak "no such abbreviation: '$abbr'" if !grep { $_->{abbr} eq $abbr } @from_tos;
# }
any { $from_to->{abbr} eq $_ } @_;
};

my ($item_parent_id_column, $item_parent_column);

if (ref($source) eq 'SL::DB::Order') {
$item_parent_id_column = 'trans_id';
$item_parent_column = 'order';
}

my %args = ( map({ ( $_ => $source->$_ ) } qw(amount cp_id currency_id cusordnumber customer_id delivery_customer_id delivery_term_id delivery_vendor_id
department_id employee_id globalproject_id intnotes marge_percent marge_total language_id netamount notes
ordnumber payment_id quonumber reqdate salesman_id shippingpoint shipvia taxincluded taxzone_id
transaction_description vendor_id
)),
quotation => !!($destination_type =~ m{quotation$}),
closed => 0,
delivered => 0,
transdate => DateTime->today_local,
);

if ( $is_abbr_any->(qw(sopo poso)) ) {
$args{ordnumber} = undef;
$args{reqdate} = DateTime->today_local->next_workday();
$args{employee} = SL::DB::Manager::Employee->current;
}
if ( $is_abbr_any->(qw(sopo)) ) {
$args{customer_id} = undef;
$args{salesman_id} = undef;
$args{payment_id} = undef;
$args{delivery_term_id} = undef;
}
if ( $is_abbr_any->(qw(poso)) ) {
$args{vendor_id} = undef;
}

# Custom shipto addresses (the ones specific to the sales/purchase
# record and not to the customer/vendor) are only linked from
# shipto → order. Meaning order.shipto_id
# will not be filled in that case.
if (!$source->shipto_id && $source->id) {
$args{custom_shipto} = $source->custom_shipto->clone($class) if $source->can('custom_shipto') && $source->custom_shipto;

} else {
$args{shipto_id} = $source->shipto_id;
}

my $order = $class->new(%args);
$order->assign_attributes(%{ $params{attributes} }) if $params{attributes};
my $items = delete($params{items}) || $source->items_sorted;
my %item_parents;

my @items = map {
my $source_item = $_;
my $source_item_id = $_->$item_parent_id_column;
my @custom_variables = map { _clone_orderitem_cvar($_) } @{ $source_item->custom_variables };

$item_parents{$source_item_id} ||= $source_item->$item_parent_column;
my $item_parent = $item_parents{$source_item_id};

my $current_oe_item = SL::DB::OrderItem->new(map({ ( $_ => $source_item->$_ ) }
qw(active_discount_source active_price_source base_qty cusordnumber
description discount lastcost longdescription
marge_percent marge_price_factor marge_total
ordnumber parts_id price_factor price_factor_id pricegroup_id
project_id qty reqdate sellprice serialnumber ship subtotal transdate unit
)),
custom_variables => \@custom_variables,
);
if ( $is_abbr_any->(qw(sopo)) ) {
$current_oe_item->sellprice($source_item->lastcost);
$current_oe_item->discount(0);
}
if ( $is_abbr_any->(qw(poso)) ) {
$current_oe_item->lastcost($source_item->sellprice);
}
$current_oe_item->{"converted_from_orderitems_id"} = $_->{id} if ref($item_parent) eq 'SL::DB::Order';
$current_oe_item;
} @{ $items };

@items = grep { $params{item_filter}->($_) } @items if $params{item_filter};
@items = grep { $_->qty * 1 } @items if $params{skip_items_zero_qty};
@items = grep { $_->qty >=0 } @items if $params{skip_items_negative_qty};

$order->items(\@items);

return $order;
}

sub number {
my $self = shift;

return if !$self->type;

my %number_method = (
sales_order => 'ordnumber',
sales_quotation => 'quonumber',
purchase_order => 'ordnumber',
request_quotation => 'quonumber',
);

return $self->${ \ $number_method{$self->type} }(@_);
}

sub customervendor {
$_[0]->is_sales ? $_[0]->customer : $_[0]->vendor;
}

sub date {
goto &transdate;
}

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

sprintf "%s %s %s (%s)",
$self->number,
$self->customervendor->name,
$self->amount_as_number,
$self->date->to_kivitendo;
}

1;

__END__

=pod

=encoding utf8

=head1 NAME

SL::DB::Order - Order Datenbank Objekt.

=head1 FUNCTIONS

=head2 C<type>

Returns one of the following string types:

=over 4

=item sales_order

=item purchase_order

=item sales_quotation

=item request_quotation

=back

=head2 C<is_type TYPE>

Returns true if the order is of the given type.

=head2 C<convert_to_delivery_order %params>

Creates a new delivery order with C<$self> as the basis by calling
L<SL::DB::DeliveryOrder::new_from>. That delivery order is saved, and
C<$self> is linked to the new invoice via
L<SL::DB::RecordLink>. C<$self>'s C<delivered> attribute is set to
C<true>, and C<$self> is saved.

The arguments in C<%params> are passed to
L<SL::DB::DeliveryOrder::new_from>.

Returns C<undef> on failure. Otherwise the new delivery order will be
returned.

=head2 C<convert_to_invoice %params>

Creates a new invoice with C<$self> as the basis by calling
L<SL::DB::Invoice::new_from>. That invoice is posted, and C<$self> is
linked to the new invoice via L<SL::DB::RecordLink>. C<$self>'s
C<closed> attribute is set to C<true>, and C<$self> is saved.

The arguments in C<%params> are passed to L<SL::DB::Invoice::post>.

Returns the new invoice instance on success and C<undef> on
failure. The whole process is run inside a transaction. On failure
nothing is created or changed in the database.

At the moment only sales quotations and sales orders can be converted.

=head2 C<new_from $source, %params>

Creates a new C<SL::DB::Order> instance and copies as much
information from C<$source> as possible. At the moment only records with the
same destination type as the source type and sales orders from
sales quotations and purchase orders from requests for quotations can be
created.

The C<transdate> field will be set to the current date.

The conversion copies the order items as well.

Returns the new order instance. The object returned is not
saved.

C<%params> can include the following options
(C<destination_type> is mandatory):

=over 4

=item C<destination_type>

(mandatory)
The type of the newly created object. Can be C<sales_quotation>,
C<sales_order>, C<purchase_quotation> or C<purchase_order> for now.

=item C<items>

An optional array reference of RDBO instances for the items to use. If
missing then the method C<items_sorted> will be called on
C<$source>. This option can be used to override the sorting, to
exclude certain positions or to add additional ones.

=item C<skip_items_negative_qty>

If trueish then items with a negative quantity are skipped. Items with
a quantity of 0 are not affected by this option.

=item C<skip_items_zero_qty>

If trueish then items with a quantity of 0 are skipped.

=item C<item_filter>

An optional code reference that is called for each item with the item
as its sole parameter. Items for which the code reference returns a
falsish value will be skipped.

=item C<attributes>

An optional hash reference. If it exists then it is passed to C<new>
allowing the caller to set certain attributes for the new delivery
order.

=back

=head2 C<create_sales_process>

Creates and saves a new sales process. Can only be called for sales
orders.

The newly created process will be linked bidirectionally to both
C<$self> and to all sales quotations that are linked to C<$self>.

Returns the newly created process instance.

=head1 BUGS

Nothing here yet.

=head1 AUTHOR

Sven Schöling <s.schoeling@linet-services.de>

=cut
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