+push @process_m2m, {
+ 'link_table' => 'type_pkgs',
+ 'target_table' => 'agent_type',
+ 'params' => \@agents,
+};
+
+my $targets = FS::part_pkg_usageprice->targets;
+foreach my $amount_param ( grep /^usagepricepart(\d+)_amount$/, $cgi->param ) {
+ $amount_param =~ /^usagepricepart(\d+)_amount$/ or die 'unpossible';
+ my $num = $1;
+ my $amount = $cgi->param($amount_param);
+ if ( ! $amount && ! $cgi->param("usagepricepart${num}_price") ) {
+ #don't add empty rows just because the dropdowns have a value
+ $cgi->param("usagepricepart${num}_$_", '') for qw( currency action target );
+ next;
+ }
+ my $target = $cgi->param("usagepricepart${num}_target");
+ $amount *= $targets->{$target}{multiplier} if $targets->{$target}{multiplier};
+ $cgi->param($amount_param, $amount);
+}
+
+my @process_o2m = (
+ {
+ 'table' => 'part_pkg_usageprice',
+ 'fields' => [qw( price currency action target amount )],
+
+ }
+);