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[Evergreen.git] / Open-ILS / src / perlmods / OpenILS / Application / Storage / Publisher / biblio.pm
1 package OpenILS::Application::Storage::Publisher::biblio;
2 use base qw/OpenILS::Application::Storage/;
3 use vars qw/$VERSION/;
4 use OpenSRF::EX qw/:try/;
5 #use OpenILS::Application::Storage::CDBI::biblio;
6 #use OpenILS::Application::Storage::CDBI::asset;
7 use OpenILS::Utils::Fieldmapper;
8
9 $VERSION = 1;
10
11 sub record_copy_count {
12         my $self = shift;
13         my $client = shift;
14
15         my %args = @_;
16
17         my $cn_table = asset::call_number->table;
18         my $cp_table = asset::copy->table;
19         my $out_table = actor::org_unit_type->table;
20         my $descendants = "actor.org_unit_descendants(u.id)";
21         my $ancestors = "actor.org_unit_ancestors(?)";
22
23         my $sql = <<"   SQL";
24                 SELECT  t.depth,
25                         u.id AS org_unit,
26                         sum(
27                                 (SELECT count(cp.id)
28                                   FROM  $cn_table cn
29                                         JOIN $cp_table cp ON (cn.id = cp.call_number)
30                                         JOIN $descendants a ON (cp.circ_lib = a.id)
31                                   WHERE cn.record = ?)
32                         ) AS count,
33                         sum(
34                                 (SELECT count(cp.id)
35                                   FROM  $cn_table cn
36                                         JOIN $cp_table cp ON (cn.id = cp.call_number)
37                                         JOIN $descendants a ON (cp.circ_lib = a.id)
38                                   WHERE cn.record = ?
39                                         AND cp.status = 0)
40                         ) AS available
41                   FROM  $ancestors u
42                         JOIN $out_table t ON (u.ou_type = t.id)
43                   GROUP BY 1,2
44         SQL
45
46         my $sth = biblio::record_entry->db_Main->prepare_cached($sql);
47         $sth->execute(''.$args{record}, ''.$args{record}, ''.$args{org_unit});
48         while ( my $row = $sth->fetchrow_hashref ) {
49                 $client->respond( $row );
50         }
51         return undef;
52 }
53 __PACKAGE__->register_method(
54         api_name        => 'open-ils.storage.biblio.record_entry.copy_count',
55         method          => 'record_copy_count',
56         api_level       => 1,
57         stream          => 1,
58         cachable        => 1,
59 );
60
61 sub record_by_copy {
62         my $self = shift;
63         my $client = shift;
64
65         my $cn_table = asset::call_number->table;
66         my $cp_table = asset::copy->table;
67
68         my $id = ''.shift;
69         my ($r) = biblio::record_entry->db_Main->selectrow_array( <<"   SQL", {}, $id );
70                 SELECT  cn.record
71                   FROM  $cn_table cn
72                         JOIN $cp_table cp ON (cp.call_number = cn.id)
73                   WHERE cp.id = ?
74         SQL
75
76         return biblio::record_entry->retrieve( $r )->to_fieldmapper;
77 }
78 __PACKAGE__->register_method(
79         api_name        => 'open-ils.storage.biblio.record_entry.retrieve_by_copy',
80         method          => 'record_by_copy',
81         api_level       => 1,
82 );
83
84
85 =comment Old version
86
87 my $org_unit_lookup;
88 sub record_copy_count {
89         my $self = shift;
90         my $client = shift;
91         my $oid = shift;
92         my @recs = @_;
93
94         if ($self->api_name !~ /batch/o) {
95                 @recs = ($recs[0]);
96         }
97
98         throw OpenSRF::EX::InvalidArg ( "No org_unit id passed!" )
99                 unless ($oid);
100
101         throw OpenSRF::EX::InvalidArg ( "No record id passed!" )
102                 unless (@recs);
103
104         $org_unit_lookup ||= $self->method_lookup('open-ils.storage.direct.actor.org_unit.retrieve');
105         my ($org_unit) = $org_unit_lookup->run($oid);
106
107         # XXX Use descendancy tree here!!!
108         my $short_name_hack = $org_unit->shortname;
109         $short_name_hack = '' if (!$org_unit->parent_ou);
110         $short_name_hack .= '%';
111         # XXX Use descendancy tree here!!!
112
113         my $rec_list = join(',',@recs);
114
115         my $cp_table = asset::copy->table;
116         my $cn_table = asset::call_number->table;
117
118         my $select =<<" SQL";
119                 SELECT  count(cp.*) as copies
120                   FROM  $cn_table cn
121                         JOIN $cp_table cp ON (cp.call_number = cn.id)
122                   WHERE cn.owning_lib LIKE ? AND
123                         cn.record IN ($rec_list)
124         SQL
125
126         my $sth = asset::copy->db_Main->prepare_cached($select);
127         $sth->execute($short_name_hack);
128
129         my $results = $sth->fetchall_hashref('record');
130
131         $client->respond($$results{$_}{copies} || 0) for (@recs);
132
133         return undef;
134 }
135 __PACKAGE__->register_method(
136         method          => 'record_copy_count',
137         api_name        => 'open-ils.storage.direct.biblio.record_copy_count',
138         api_level       => 1,
139         argc            => 1,
140 );
141 __PACKAGE__->register_method(
142         method          => 'record_copy_count',
143         api_name        => 'open-ils.storage.direct.biblio.record_copy_count.batch',
144         api_level       => 1,
145         argc            => 1,
146         stream          => 1,
147 );
148
149 =cut
150
151 1;