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diff --git a/FS/FS/export_svc.pm b/FS/FS/export_svc.pm
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+package FS::export_svc;
+
+use strict;
+use vars qw( @ISA );
+use FS::Record qw( qsearch qsearchs dbh );
+use FS::part_export;
+use FS::part_svc;
+
+@ISA = qw(FS::Record);
+
+=head1 NAME
+
+FS::export_svc - Object methods for export_svc records
+
+=head1 SYNOPSIS
+
+  use FS::export_svc;
+
+  $record = new FS::export_svc \%hash;
+  $record = new FS::export_svc { 'column' => 'value' };
+
+  $error = $record->insert;
+
+  $error = $new_record->replace($old_record);
+
+  $error = $record->delete;
+
+  $error = $record->check;
+
+=head1 DESCRIPTION
+
+An FS::export_svc object links a service definition (see L<FS::part_svc>) to
+an export (see L<FS::part_export>).  FS::export_svc inherits from FS::Record.
+The following fields are currently supported:
+
+=over 4
+
+=item exportsvcnum - primary key
+
+=item exportnum - export (see L<FS::part_export>)
+
+=item svcpart - service definition (see L<FS::part_svc>)
+
+=back
+
+=head1 METHODS
+
+=over 4
+
+=item new HASHREF
+
+Creates a new record.  To add the record to the database, see L<"insert">.
+
+Note that this stores the hash reference, not a distinct copy of the hash it
+points to.  You can ask the object for a copy with the I<hash> method.
+
+=cut
+
+# the new method can be inherited from FS::Record, if a table method is defined
+
+sub table { 'export_svc'; }
+
+=item insert
+
+Adds this record to the database.  If there is an error, returns the error,
+otherwise returns false.
+
+=cut
+
+sub insert {
+  my $self = shift;
+  my $error;
+
+  local $SIG{HUP} = 'IGNORE';
+  local $SIG{INT} = 'IGNORE';
+  local $SIG{QUIT} = 'IGNORE';
+  local $SIG{TERM} = 'IGNORE';
+  local $SIG{TSTP} = 'IGNORE';
+  local $SIG{PIPE} = 'IGNORE';
+
+  my $oldAutoCommit = $FS::UID::AutoCommit;
+  local $FS::UID::AutoCommit = 0;
+  my $dbh = dbh;
+
+  $error = $self->check;
+  return $error if $error;
+
+  #check for duplicates!
+  my @checks = ();
+  my $svcdb = $self->part_svc->svcdb;
+  if ( $svcdb eq 'svc_acct' ) {
+
+    if ( $self->part_export->nodomain =~ /^Y/i ) {
+      push @checks, {
+        label  => 'usernames',
+        method => 'username',
+        sortby => sub { $a cmp $b },
+      };
+    } else {
+      push @checks, {
+        label  => 'username@domain',
+        method => 'email',
+        sortby => sub {
+                        my($auser, $adomain) = split('@', $a);
+                        my($buser, $bdomain) = split('@', $b);
+                        $adomain cmp $bdomain || $auser cmp $buser;
+                      },
+      };
+    }
+
+    unless ( $self->part_svc->part_svc_column('uid')->columnflag eq 'F' ) {
+      push @checks, {
+        label  => 'uids',
+        method => 'uid',
+        sortby => sub { $a <=> $b },
+      };
+    }
+
+  } elsif ( $svcdb eq 'svc_domain' ) {
+    push @checks, {
+      label  => 'domains',
+      method => 'domain',
+      sortby => sub { $a cmp $b },
+    };
+  } else {
+    warn "WARNING: No duplicate checking done on merge of $svcdb exports";
+  }
+
+  foreach my $check ( @checks ) {
+    my @current_svc = $self->part_export->svc_x;
+    #warn "current: ". scalar(@current_svc). " $current_svc[0]\n";
+    my @new_svc = $self->part_svc->svc_x;
+    #warn "new: ". scalar(@new_svc). " $new_svc[0]\n";
+    my $method = $check->{'method'};
+    my %cur_svc = map { $_->$method() => $_ } @current_svc;
+    my @dup_svc = grep { $cur_svc{$_->$method()} } @new_svc;
+    #my @diff_customer = grep { 
+    #                           $_->cust_pkg->custnum != $cur_svc{$_->$method()}->cust_pkg->custnum
+    #                         } @dup_svc;
+
+
+
+    if ( @dup_svc ) { #aye, that's the rub
+      #error out for now, eventually accept different options of adjustments
+      # to make to allow us to continue forward
+      $dbh->rollback if $oldAutoCommit;
+
+      my @diff_customer_svc = grep {
+        my $cust_pkg = $_->cust_svc->cust_pkg;
+        my $custnum = $cust_pkg ? $cust_pkg->custnum : 0;
+        my $other_cust_pkg = $cur_svc{$_->$method()}->cust_svc->cust_pkg;
+        my $other_custnum = $other_cust_pkg ? $other_cust_pkg->custnum : 0;
+        $custnum != $other_custnum;
+      } @dup_svc;
+
+      my $label = $check->{'label'};
+      my $sortby = $check->{'sortby'};
+      return "Can't export ".
+             $self->part_svc->svcpart.':'.$self->part_svc->svc. " service to ".
+             $self->part_export->exportnum.':'.$self->part_export->exporttype.
+               ' on '. $self->part_export->machine.
+             ' : '. scalar(@dup_svc). " duplicate $label".
+             ' ('. scalar(@diff_customer_svc). " from different customers)".
+             #": ". join(', ', sort $sortby map { $_->$method() } @dup_svc )
+             ": ". join(', ', sort $sortby map { $_->$method() } @diff_customer_svc )
+             ;
+    }
+  }
+
+  #end of duplicate check, whew
+
+  $error = $self->SUPER::insert;
+  if ( $error ) {
+    $dbh->rollback if $oldAutoCommit;
+    return $error;
+  }
+
+#  if ( $self->part_svc->svcdb eq 'svc_acct' ) {
+#
+#    if ( $self->part_export->nodomain =~ /^Y/i ) {
+#
+#      select username from svc_acct where svcpart = $svcpart
+#        group by username having count(*) > 1;
+#
+#    } else {
+#
+#      select username, domain
+#        from   svc_acct
+#          join svc_domain on ( svc_acct.domsvc = svc_domain.svcnum )
+#        group by username, domain having count(*) > 1;
+#
+#    }
+#
+#  } elsif ( $self->part_svc->svcdb eq 'svc_domain' ) {
+#
+#    #similar but easier domain checking one
+#
+#  } #etc.?
+#
+#  my @services =
+#    map  { $_->part_svc }
+#    grep { $_->svcpart != $self->svcpart }
+#         $self->part_export->export_svc;
+
+  $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+  ''; #no error
+}
+
+=item delete
+
+Delete this record from the database.
+
+=cut
+
+# the delete method can be inherited from FS::Record
+
+=item replace OLD_RECORD
+
+Replaces the OLD_RECORD with this one in the database.  If there is an error,
+returns the error, otherwise returns false.
+
+=cut
+
+# the replace method can be inherited from FS::Record
+
+=item check
+
+Checks all fields to make sure this is a valid record.  If there is
+an error, returns the error, otherwise returns false.  Called by the insert
+and replace methods.
+
+=cut
+
+# the check method should currently be supplied - FS::Record contains some
+# data checking routines
+
+sub check {
+  my $self = shift;
+
+  $self->ut_numbern('exportsvcnum')
+    || $self->ut_number('exportnum')
+    || $self->ut_foreign_key('exportnum', 'part_export', 'exportnum')
+    || $self->ut_number('svcpart')
+    || $self->ut_foreign_key('svcpart', 'part_svc', 'svcpart')
+    || $self->SUPER::check
+  ;
+}
+
+=item part_export
+
+Returns the FS::part_export object (see L<FS::part_export>).
+
+=cut
+
+sub part_export {
+  my $self = shift;
+  qsearchs( 'part_export', { 'exportnum' => $self->exportnum } );
+}
+
+=item part_svc
+
+Returns the FS::part_svc object (see L<FS::part_svc>).
+
+=cut
+
+sub part_svc {
+  my $self = shift;
+  qsearchs( 'part_svc', { 'svcpart' => $self->svcpart } );
+}
+
+=back
+
+=head1 BUGS
+
+=head1 SEE ALSO
+
+L<FS::part_export>, L<FS::part_svc>, L<FS::Record>, schema.html from the base
+documentation.
+
+=cut
+
+1;
+