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package SL::PriceSource::Price;
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use strict;
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use parent 'SL::DB::Object';
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use Rose::Object::MakeMethods::Generic (
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scalar => [ qw(price description spec price_source invalid missing) ],
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'scalar --get_set_init' => [ qw(priority) ],
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);
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require SL::DB::Helper::Attr;
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SL::DB::Helper::Attr::make(__PACKAGE__,
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price => 'numeric(15,5)',
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);
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sub source {
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$_[0]->price_source
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? $_[0]->price_source->name . '/' . $_[0]->spec
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: '';
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}
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sub full_description {
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my ($self) = @_;
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$self->price_source
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? $self->price_source->description . ': ' . $self->description
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: $self->description
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}
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sub source_description {
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my ($self) = @_;
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$self->price_source
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? $self->price_source->description
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: $self->description
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}
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sub to_str {
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"source: @{[ $_[0]->source ]}, price: @{[ $_[0]->price ]}, description: @{[ $_[0]->description ]}"
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}
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sub init_priority {
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3
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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SL::PriceSource::Price - contrainer to pass calculated prices around
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=head1 SYNOPSIS
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# in PriceSource::Base implementation
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$price = SL::PriceSource::Price->new(
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price => 10.3,
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spec => '3', # something you can easily parse later
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description => t8('Fix price 10.3 for customer 3'),
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price_source => $self,
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)
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# special empty price in SL::PriceSource, for internal use.
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SL::PriceSource::Price->new(
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description => t8('None (PriceSource)'),
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);
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# price can't be restored
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SL::PriceSource::Price->new(
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missing => t8('Um, sorry, cannot find that one'),
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price_source => $self,
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);
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# invalid price
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SL::PriceSource::Price->new(
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price => $original_price,
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spec => $original_spec,
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description => $original_description,
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invalid => t8('Offer expired #1 weeks ago', $dt->delta_weeks),
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price_source => $self,
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);
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=head1 DESCRIPTION
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See L<SL::PriceSource> for information about the mechanism.
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This is a container for prices that are generated by L<SL::PriceSource::Base>
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implementations.
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=head1 CONSTRUCTOR FIELDS
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=over 4
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=item C<price>
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The price. A price of 0 is special and is considered undesirable. If passed as
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part of C<available_prices> it will be filtered out. If returned as
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C<best_price> or C<price_from_source> it will trigger a warning.
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=item C<spec>
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A unique string that can later be understood by the creating implementation.
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Can be empty if the implementation only supports one price for a given
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record_item.
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=item C<description>
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A localized short description of the origins of this price.
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=item C<price_source>
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A ref to the creating algorithm.
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=item C<priority>
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OPTIONAL. Prices may supply a numerical priority. Higher will trump over lower, even when
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supplying higher prices. Defaults to 3 (as in middle of 1-5).
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=item C<missing>
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OPTIONAL. Both indicator and localized message that the price with this spec
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could not be reproduced and should be changed.
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If price is missing, you do not need to supply anything except C<source>.
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=item C<invalid>
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OPTIONAL. Both indicator and localized message that the conditions for this
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price are no longer valid, and that the price should be changed.
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If price is missing, you do not need to supply anything except C<source>.
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=back
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=head1 SEE ALSO
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L<SL::PriceSource>,
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L<SL::PriceSource::Base>,
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L<SL::PriceSource::ALL>
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=head1 BUGS
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None yet. :)
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=head1 AUTHOR
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Sven Schoeling E<lt>s.schoeling@linet-services.deE<gt>
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=cut
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