+=item estimate
+
+Calculates current prices for all items on this quotation, including
+discounts and taxes, and updates the quotation_pkg records accordingly.
+
+=cut
+
+sub estimate {
+ my $self = shift;
+ my $conf = FS::Conf->new;
+
+ my $dbh = dbh;
+ my $oldAutoCommit = $FS::UID::AutoCommit;
+ local $FS::UID::AutoCommit = 0;
+
+ # bring individual items up to date (set setup/recur and discounts)
+ my @quotation_pkg = $self->quotation_pkg;
+ foreach my $pkg (@quotation_pkg) {
+ my $error = $pkg->estimate;
+ if ($error) {
+ $dbh->rollback if $oldAutoCommit;
+ die "error calculating estimate for pkgpart " . $pkg->pkgpart.": $error\n";
+ }
+
+ # delete old tax records
+ foreach my $quotation_pkg_tax ($pkg->quotation_pkg_tax) {
+ $error = $quotation_pkg_tax->delete;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ die "error flushing tax records for pkgpart ". $pkg->pkgpart.": $error\n";
+ }
+ }
+ }
+
+ # annoyingly duplicates handle_taxes--fix this in 4.x
+ if ( $conf->exists('enable_taxproducts') ) {
+ warn "can't calculate external taxes for quotations yet\n";
+ # then we're done
+ return;
+ }
+
+ my %taxnum_exemptions; # for monthly exemptions; as yet unused
+
+ foreach my $pkg (@quotation_pkg) {
+ my $location = $pkg->cust_location;
+
+ my $part_item = $pkg->part_pkg; # we don't have fees on these yet
+ my @loc_keys = qw( district city county state country);
+ my %taxhash = map { $_ => $location->$_ } @loc_keys;
+ $taxhash{'taxclass'} = $part_item->taxclass;
+ my @taxes;
+ my %taxhash_elim = %taxhash;
+ my @elim = qw( district city county state );
+ do {
+ @taxes = qsearch( 'cust_main_county', \%taxhash_elim );
+ if ( !scalar(@taxes) && $taxhash_elim{'taxclass'} ) {
+ #then try a match without taxclass
+ my %no_taxclass = %taxhash_elim;
+ $no_taxclass{ 'taxclass' } = '';
+ @taxes = qsearch( 'cust_main_county', \%no_taxclass );
+ }
+
+ $taxhash_elim{ shift(@elim) } = '';
+ } while ( !scalar(@taxes) && scalar(@elim) );
+
+ foreach my $tax_def (@taxes) {
+ my $taxnum = $tax_def->taxnum;
+ $taxnum_exemptions{$taxnum} ||= [];
+
+ # XXX do some kind of equivalent to set_exemptions here
+ # but for now just declare that there are no exemptions,
+ # and then hack the taxable amounts if the package def
+ # excludes setup/recur
+ $pkg->set('cust_tax_exempt_pkg', []);
+
+ if ( $part_item->setuptax or $tax_def->setuptax ) {
+ $pkg->set('unitsetup', 0);
+ }
+ if ( $part_item->recurtax or $tax_def->recurtax ) {
+ $pkg->set('unitrecur', 0);
+ }
+
+ my %taxline;
+ foreach my $pass (qw(first recur)) {
+ if ($pass eq 'recur') {
+ $pkg->set('unitsetup', 0);
+ }
+
+ my $taxline = $tax_def->taxline(
+ [ $pkg ],
+ exemptions => $taxnum_exemptions{$taxnum}
+ );
+ if ($taxline and !ref($taxline)) {
+ $dbh->rollback if $oldAutoCommit;
+ die "error calculating '".$tax_def->taxname .
+ "' for pkgpart '".$pkg->pkgpart."': $taxline\n";
+ }
+ $taxline{$pass} = $taxline;
+ }
+
+ my $quotation_pkg_tax = FS::quotation_pkg_tax->new({
+ quotationpkgnum => $pkg->quotationpkgnum,
+ itemdesc => ($tax_def->taxname || 'Tax'),
+ taxnum => $taxnum,
+ taxtype => ref($tax_def),
+ });
+ my $setup_amount = 0;
+ my $recur_amount = 0;
+ if ($taxline{first}) {
+ $setup_amount = $taxline{first}->setup; # "first cycle", not setup
+ }
+ if ($taxline{recur}) {
+ $recur_amount = $taxline{recur}->setup;
+ $setup_amount -= $recur_amount; # to get the actual setup amount
+ }
+ if ( $recur_amount > 0 or $setup_amount > 0 ) {
+ $quotation_pkg_tax->set('setup_amount', sprintf('%.2f', $setup_amount));
+ $quotation_pkg_tax->set('recur_amount', sprintf('%.2f', $recur_amount));
+
+ my $error = $quotation_pkg_tax->insert;
+ if ($error) {
+ $dbh->rollback if $oldAutoCommit;
+ die "error recording '".$tax_def->taxname .
+ "' for pkgpart '".$pkg->pkgpart."': $error\n";
+ } # if $error
+ } # else there are no non-zero taxes; continue
+ } # foreach $tax_def
+ } # foreach $pkg
+
+ $dbh->commit if $oldAutoCommit;
+ '';
+}
+