+ ##
+ # parse the extremely weird 'towernum' param
+ ##
+
+ if ($params->{towernum}) {
+ my $towernum = $params->{towernum};
+ $towernum = [ $towernum ] if !ref($towernum);
+ my $in = join(',', grep /^\d+$/, @$towernum);
+ if (length $in) {
+ # inefficient, but this is an obscure feature
+ eval "use FS::Report::Table";
+ FS::Report::Table->_init_tower_pkg_cache; # probably does nothing
+ push @where, "EXISTS(
+ SELECT 1 FROM tower_pkg_cache
+ WHERE tower_pkg_cache.pkgnum = cust_pkg.pkgnum
+ AND tower_pkg_cache.towernum IN ($in)
+ )"
+ }
+ }
+
+ ##
+ # parse the 477 report drill-down options
+ ##
+
+ if ($params->{'477part'} =~ /^([a-z]+)$/) {
+ my $section = $1;
+ my ($date, $rownum, $agentnum);
+ if ($params->{'date'} =~ /^(\d+)$/) {
+ $date = $1;
+ }
+ if ($params->{'477rownum'} =~ /^(\d+)$/) {
+ $rownum = $1;
+ }
+ if ($params->{'agentnum'} =~ /^(\d+)$/) {
+ $agentnum = $1;
+ }
+ if ($date and defined($rownum)) {
+ my $report = FS::Report::FCC_477->report($section,
+ 'date' => $date,
+ 'agentnum' => $agentnum,
+ 'detail' => 1
+ );
+ my $pkgnums = $report->{detail}->[$rownum]
+ or die "row $rownum is past the end of the report";
+ # '0' so that if there are no pkgnums (empty string) it will create
+ # a valid query that returns nothing
+ warn "PKGNUMS:\n$pkgnums\n\n"; # XXX debug
+
+ # and this overrides everything
+ @where = ( "cust_pkg.pkgnum IN($pkgnums)" );
+ } # else we're missing some params, ignore the whole business
+ }
+