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UserTag weight Order attribute
UserTag weight addAttr
UserTag weight Routine <<EOR
sub {
my ($attr, $opt) = @_;
$opt ||= {};
my $cart;
if($opt->{cart}) {
$cart = $Vend::Session->{carts}{$opt->{cart}} || [];
}
else {
$cart = $Vend::Items;
}
my $wsub;
my $field = $opt->{field} || 'weight';
my $table = $opt->{table};
if($attr) {
$attr = $opt->{field} || 'weight';
$wsub = sub {
return shift(@_)->{$attr};
};
}
elsif($opt->{fill_attribute}) {
$attr = $opt->{fill_attribute};
$wsub = sub {
my $it = shift;
return $it->{$attr} if defined $it->{$attr};
my $tab = $table || $it->{mv_ib} || $Vend::Cfg->{ProductFiles}[0];
$it->{$attr} = tag_data($tab,$field,$it->{code}) || 0;
return $it->{$attr};
};
}
else {
$wsub = sub {
my $it = shift;
my $tab = $table || $it->{mv_ib} || $Vend::Cfg->{ProductFiles}[0];
return tag_data($tab,$field,$it->{code});
};
}
my $total = 0;
for(@$cart) {
$total += $_->{quantity} * $wsub->($_);
}
unless($opt->{no_set}) {
$::Scratch->{$opt->{weight_scratch} ||= 'total_weight'} = $total;
}
return $total unless $opt->{hide};
return;
}
EOR
UserTag weight Documentation <<EOD
=head1 NAME
ITL tag [weight] -- calculate shipping weight from cart
=head1 SYNOPSIS
[weight]
[weight
attribute=1*
cart=cartname*
field=sh_weight*
fill-attribute=weight*
hide=1|0*
no-set=1|0*
table=weights*
weight-scratch=sh_weight*
]
=head1 DESCRIPTION
Calculates total weight of items in shopping cart, by default setting
a scratch variable (default "total_weight").
=head2 Options
=over 4
=item attribute
If set, weight tag will calculate from the field in the item itself instead
of going to the database. This is the most efficient, and can be enabled
by using this in catalog.cfg:
AutoModifier weight
The default is not set, using the database every time.
=item cart
The cart to calculate for. Defaults to current cart.
=item field
The fieldname to use -- default "weight". This applies both to attribute
and database.
=item fill-attribute
Sets the attribute from the database the first time, and uses it thereafter.
Sets to weight of a single unit, of course.
=item hide
Don't display the weight, only set in Scratch. It makes no sense to
use hide=1 and no-set=1.
=item no-set
Don't set the weight in scratch.
=item table
Specify a table to use to look up weights. Defaults to the table the
product was ordered from (or the first ProductFiles).
=item weight-scratch
The scratch variable name to set -- default is "total_weight".
=back
=head1 AUTHOR
Mike Heins
=cut
EOD
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