order records of a metarecord by format,copycount

git-svn-id: svn://svn.open-ils.org/ILS/trunk@956 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher/metabib.pm b/Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher/metabib.pm
index 5313304..e5af503 100644 (file)
--- a/Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher/metabib.pm
+++ b/Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher/metabib.pm
@@ -13,6 +13,91 @@ my $log = 'OpenSRF::Utils::Logger';
 
 $VERSION = 1;
 
+# need to order record IDs by:
+#  1) format - text, movie, sound, software, images, maps, mixed, music, 3d
+#  2) proximity --- XXX Can't do it cheap...
+#  3) count
+sub ordered_records_from_metarecord {
+       my $self = shift;
+       my $client = shift;
+       my $mr = shift;
+
+       my $copies_visible = 'AND cp.opac_visible IS TRUE';
+       $copies_visible = '' if ($self->api_name =~ /staff/o);
+
+       my $sm_table = metabib::metarecord_source_map->table;
+       my $rd_table = metabib::record_descriptor->table;
+       my $cn_table = asset::call_number->table;
+       my $cp_table = asset::copy->table;
+       my $out_table = actor::org_unit_type->table;
+
+       my $sql = <<"   SQL";
+               SELECT  cn.record,
+                       rd.item_type,
+                        sum((SELECT    count(cp.id)
+                              FROM     $cp_table cp
+                              WHERE    cn.id = cp.call_number
+                                       $copies_visible
+                         )) AS count
+                 FROM  $cn_table cn,
+                       $sm_table sm,
+                       $rd_table rd
+                 WHERE cn.record = sm.source
+                       AND cn.record = rd.record
+                       AND sm.metarecord = ?
+                 GROUP BY cn.record, rd.item_type
+                 ORDER BY
+                       CASE
+                               WHEN rd.item_type IS NULL -- default
+                                       THEN 0
+                               WHEN rd.item_type = '' -- default
+                                       THEN 0
+                               WHEN rd.item_type IN ('a','t') -- books
+                                       THEN 1
+                               WHEN rd.item_type = 'g' -- movies
+                                       THEN 2
+                               WHEN rd.item_type IN ('i','j') -- sound recordings
+                                       THEN 3
+                               WHEN rd.item_type = 'm' -- software
+                                       THEN 4
+                               WHEN rd.item_type = 'k' -- images
+                                       THEN 5
+                               WHEN rd.item_type IN ('e','f') -- maps
+                                       THEN 6
+                               WHEN rd.item_type IN ('o','p') -- mixed
+                                       THEN 7
+                               WHEN rd.item_type IN ('c','d') -- music
+                                       THEN 8
+                               WHEN rd.item_type = 'r' -- 3d
+                                       THEN 9
+                       END,
+                       count DESC
+       SQL
+
+       my $sth = metabib::metarecord_source_map->db_Main->prepare_cached($sql);
+       $sth->execute("$mr");
+       while ( my $row = $sth->fetchrow_arrayref ) {
+               $client->respond( $$row[0] );
+       }
+       return undef;
+
+}
+__PACKAGE__->register_method(
+       api_name        => 'open-ils.storage.ordered.metabib.metarecord.records',
+       method          => 'ordered_records_from_metarecord',
+       api_level       => 1,
+       stream          => 1,
+       cachable        => 1,
+);
+__PACKAGE__->register_method(
+       api_name        => 'open-ils.storage.ordered.metabib.metarecord.records.staff',
+       method          => 'ordered_records_from_metarecord',
+       api_level       => 1,
+       stream          => 1,
+       cachable        => 1,
+);
+
+
 sub metarecord_copy_count {
        my $self = shift;
        my $client = shift;