- my $manager = 'SL::DB::Manager::' . $self->link_type_desc->{model};
- my $vc = $self->link_type =~ m/sales_|^invoice$/ ? 'customer' : 'vendor';
+ my $manager = 'SL::DB::Manager::' . $self->link_type_desc->{model};
+ my $vc = $self->link_type =~ m/sales_|^invoice|requirement_spec|letter/ ? 'customer' : 'vendor';
+ my $project = $self->link_type_desc->{project};
+ my $project_id = "${project}_id";
+ my $description = $self->link_type_desc->{description};
+ my $filter = $self->link_type_desc->{filter};
+
+ my @where = $filter && $manager->can($filter) ? $manager->$filter($self->link_type) : ();
+ push @where, ("${vc}.${vc}number" => { ilike => like($::form->{vc_number}) }) if $::form->{vc_number};
+ push @where, ("${vc}.name" => { ilike => like($::form->{vc_name}) }) if $::form->{vc_name};
+ push @where, ($description => { ilike => like($::form->{transaction_description}) }) if $::form->{transaction_description};
+ push @where, ($project_id => $::form->{globalproject_id}) if $::form->{globalproject_id} && $manager->can($project_id);