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package SL::PriceSource::PriceRules;
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use strict;
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use parent qw(SL::PriceSource::Base);
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use SL::PriceSource::Price;
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use SL::PriceSource::Discount;
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use SL::Locale::String;
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use SL::DB::PriceRule;
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use List::UtilsBy qw(min_by max_by);
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sub name { 'price_rules' }
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sub description { t8('Price Rule') }
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sub available_rules {
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my ($self, %params) = @_;
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$self->{available} ||= SL::DB::Manager::PriceRule->get_all_matching(record => $self->record, record_item => $self->record_item);
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}
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sub available_price_rules {
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my $rules = $_[0]->available_rules;
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grep { $_->price_type != SL::DB::Manager::PriceRule::PRICE_DISCOUNT() } @$rules
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}
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sub available_discount_rules {
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my $rules = $_[0]->available_rules;
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grep { $_->price_type == SL::DB::Manager::PriceRule::PRICE_DISCOUNT() } @$rules
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}
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sub available_prices {
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my ($self, %params) = @_;
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map { $self->make_price_from_rule($_) } $self->available_price_rules;
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}
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sub available_discounts {
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my ($self, %params) = @_;
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map { $self->make_discount_from_rule($_) } $self->available_discount_rules;
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}
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sub price_from_source {
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my ($self, $source, $spec) = @_;
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my $rule = SL::DB::Manager::PriceRule->find_by(id => $spec);
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if ($rule->price_type == SL::DB::Manager::PriceRule::PRICE_DISCOUNT()) {
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return $self->make_discount_from_rule($rule);
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} else {
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return $self->make_price_from_rule($rule);
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}
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}
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sub best_price {
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my ($self) = @_;
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my @rules = $self->available_price_rules;
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return unless @rules;
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my @max_prio = max_by { $_->priority } @rules;
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my $min_price = min_by { $self->price_for_rule($_) } @max_prio;
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$self->make_price_from_rule($min_price);
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}
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sub best_discount {
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my ($self) = @_;
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my @rules = $self->available_discount_rules;
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return unless @rules;
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my @max_prio = max_by { $_->priority } @rules;
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my $max_discount = max_by { $_->discount } @max_prio;
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$self->make_discount_from_rule($max_discount);
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}
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sub price_for_rule {
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my ($self, $rule) = @_;
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$rule->price_type != SL::DB::Manager::PriceRule::PRICE_NEW()
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? (1 - $rule->reduction / 100) * ($rule->is_sales ? $self->part->sellprice : $self->part->lastcost)
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: $rule->price;
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}
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sub make_price_from_rule {
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my ($self, $rule) = @_;
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SL::PriceSource::Price->new(
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price => $self->price_for_rule($rule),
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spec => $rule->id,
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description => $rule->name,
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price_source => $self,
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(invalid => t8('This Price Rule is no longer valid'))x!!$rule->obsolete,
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)
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}
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sub make_discount_from_rule {
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my ($self, $rule) = @_;
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SL::PriceSource::Discount->new(
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discount => $rule->discount / 100,
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spec => $rule->id,
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description => $rule->name,
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price_source => $self,
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(invalid => t8('This Price Rule is no longer valid'))x!!$rule->obsolete,
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)
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}
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1;
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