--- lib/A3C/LDAP.pm	2008/03/30 00:02:18	36
+++ lib/A3C/LDAP.pm	2008/03/30 16:58:21	42
@@ -5,24 +5,189 @@
 
 use Net::LDAP;
 use Data::Dump qw/dump/;
-use base 'Jifty::Object';
+use base qw(Jifty::Object Class::Accessor::Fast);
+our @config_fields = qw( server dn password base );
+Jifty->log->debug("using fields from configuration: ",dump( @config_fields ));
+__PACKAGE__->mk_accessors( qw(ldap current_search), @config_fields );
 
-my $ldap_config = Jifty->config->app('LDAP');
 
-Jifty->log->debug( "config->app(LDAP) = ",dump( $ldap_config ) );
+=head1 NAME
 
-my $ldap = Net::LDAP->new( $ldap_config->{Server} ) or die "$@";
+A3C::LDAP
 
-# an anonymous bind
-#my $mesg = $ldap->bind;
-my $mesg = $ldap->bind( $ldap_config->{DN}, password => $ldap_config->{Password} );
+=head1 DESCRIPTION
 
-Jifty->log->info("Connected to ", $ldap_config->{Server}, " with DN ", $ldap_config->{DN});
+This object turn L<Net::LDAP> into something with looks like
+L<Jifty::Collection>
+
+=head1 METHODS
+
+=head2 new
+
+  my $ldap = A3C::LDAP->new;
+
+=cut
+
+sub new {
+	my $class = shift;
+
+	my $args = { @_ };
+
+	my $ldap_config = Jifty->config->app('LDAP');
+	Jifty->log->debug( "config->app(LDAP) = ",dump( $ldap_config ) );
+
+	foreach my $f ( @config_fields ) {
+		if ( my $v = $ldap_config->{$f} ) {
+			$args->{$f} = $v;
+		}
+	}
+
+	my $ldap = Net::LDAP->new( $args->{server} ) or die "$@";
+
+	# an anonymous bind
+	#$ldap->bind;
+	$ldap->bind( $args->{dn}, password => $args->{password} );
+
+	Jifty->log->info("Connected to ", $args->{server}, " with DN ", $args->{dn});
+
+	$args->{ldap} = $ldap;
+
+	$class->SUPER::new( $args );
+}
+
+=head2 search
+
+  my $msg = A3C::LDAP->search(
+	base	=> 'dc=skole,dc=hr',
+	filter	=> '(objectClass=hrEduOrg)',
+	sizelimit => 10,
+  );
+
+=cut
 
 sub search {
 	my $self = shift;
 
-	return $ldap->search( @_ );
+	my $search = $self->ldap->search( @_ );
+	if ( $search->code != 0 ) {
+		Jifty->log->error( $search->error, ' for ', dump( @_ ) );
+	}
+	return $self->current_search( $search );
+}
+
+=head2 next
+
+Syntaxtic shugar to look more like L<Jifty::DBI::Collection>
+
+  my $entry = ldap->next;
+
+=cut
+
+sub next {
+	my $self = shift;
+
+	die "no current LDAP search" unless $self->current_search;
+
+	return $self->current_search->shift_entry;
+}
+
+=head2 count
+
+  my $search_results = $ldap->count;
+
+=cut
+
+sub count {
+	my $self = shift;
+	$self->current_search->count;
+}
+
+=head2 as_collection_of
+
+  my $connection = $ldap->collection('Organization', $limit);
+
+=cut
+
+my $collection2filter = {
+	'User'			=> '(objectClass=hrEduPerson)',
+	'Organization'	=> '(objectClass=hrEduOrg)',
+};
+
+sub collection {
+	my ( $self, $model, $limit ) = @_;
+
+	$limit ||= 100;	# FIXME
+
+	my $filter = $collection2filter->{$model};
+	die "unknown model $model" unless $filter;
+
+	$self->search(
+		base => $self->base,
+		filter => $filter,
+		sizelimit => $limit,
+	);
+
+	Jifty->log->info("searching LDAP for $model with $filter limit $limit returned ", $self->count, " results");
+
+	my $class = Jifty->app_class('Model', $model . 'Collection' ) or die "can't create ${model}Collection";
+	my $collection = $class->new() or die "can't $class->new";
+
+	while ( my $entry = $self->next ) {
+		my $model_obj = Jifty->app_class('Model',$model)->new;
+		#warn dump( $model_obj );
+		my $additional;
+#		if ( $model eq 'User' ) {
+#			my $organization = A3C::Model::Organization->new;
+#			$self->ldap2model( $organization, $entry );
+#			$additional->{organization} = $organization;
+#		}
+		$self->ldap2model( $model_obj, $entry, %$additional );
+		$collection->add_record( $model_obj );
+	}
+
+	return $collection;
 }
 
+=head1 INTERNAL METHODS
+
+Following methods map directly into L<Net::LDAP>
+
+=head2 current_search
+
+Result of last C<< $ldap->search >> request
+
+=head2 model_to_entry
+
+  $ldap->model_to_entry( $model, $entry, $additional );
+
+=cut
+
+sub ldap2model {
+	my ( $self, $model, $entry, $additional ) = @_;
+	my $data;
+
+	my @columns = map { $_->name } $model->columns;
+	#warn "# columns = ",dump( @columns );
+
+	foreach my $attr ( $entry->attributes ) {
+		if ( grep(/^\Q$attr\E$/, @columns ) ) {
+			$data->{$attr} = $entry->get_value( $attr );
+		} elsif ( $attr !~ m/^(objectClass)$/i ) {
+			Jifty->log->error(ref($model)," doesn't have $attr");
+		}
+	}
+
+	Jifty->log->debug( ref($model), ' = ', dump( $data ) );
+
+	my ( $id, $message ) = $model->load_or_create( %$data, %$additional );
+
+	if ( $id ) {
+		Jifty->log->info( $message || 'Added', ' ', ref($model), ' ', $model->id );
+	} else {
+		Jifty->log->error( ref($model), " ", $message );
+	}
+}
+
+
+
 1;