1 package OpenILS::WWW::EGCatLoader;
2 use strict; use warnings;
3 use Apache2::Const -compile => qw(OK DECLINED FORBIDDEN HTTP_INTERNAL_SERVER_ERROR REDIRECT HTTP_BAD_REQUEST);
5 use OpenSRF::Utils::Logger qw/$logger/;
6 use OpenILS::Utils::CStoreEditor qw/:funcs/;
7 use OpenILS::Utils::Fieldmapper;
8 use OpenILS::Application::AppUtils;
9 use OpenSRF::MultiSession;
10 my $U = 'OpenILS::Application::AppUtils';
12 my $ro_object_subs; # cached subs
13 our %cache = ( # cached data
14 map => {aou => {}}, # others added dynamically as needed
18 eg_cache_hash => undef
21 sub init_ro_object_cache {
23 my $e = $self->editor;
26 # reset org unit setting cache on each page load to avoid the
27 # requirement of reloading apache with each org-setting change
28 $cache{org_settings} = {};
31 # subs have been built. insert into the context then move along.
32 $ctx->{$_} = $ro_object_subs->{$_} for keys %$ro_object_subs;
36 # make all "field_safe" classes accesible by default in the template context
38 ($Fieldmapper::fieldmap->{$_}->{field_safe} || '') =~ /true/i
39 } keys %{ $Fieldmapper::fieldmap };
41 for my $class (@classes) {
43 my $hint = $Fieldmapper::fieldmap->{$class}->{hint};
44 next if $hint eq 'aou'; # handled separately
46 my $ident_field = $Fieldmapper::fieldmap->{$class}->{identity};
47 (my $eclass = $class) =~ s/Fieldmapper:://o;
50 my $list_key = "${hint}_list";
51 my $get_key = "get_$hint";
52 my $search_key = "search_$hint";
54 # Retrieve the full set of objects with class $hint
55 $ro_object_subs->{$list_key} = sub {
56 my $method = "retrieve_all_$eclass";
57 $cache{list}{$hint} = $e->$method() unless $cache{list}{$hint};
58 return $cache{list}{$hint};
61 # locate object of class $hint with Ident field $id
62 $cache{map}{$hint} = {};
63 $ro_object_subs->{$get_key} = sub {
65 return $cache{map}{$hint}{$id} if $cache{map}{$hint}{$id};
66 ($cache{map}{$hint}{$id}) = grep { $_->$ident_field eq $id } @{$ro_object_subs->{$list_key}->()};
67 return $cache{map}{$hint}{$id};
70 # search for objects of class $hint where field=value
71 $cache{search}{$hint} = {};
72 $ro_object_subs->{$search_key} = sub {
73 my ($field, $val) = @_;
74 my $method = "search_$eclass";
75 $cache{search}{$hint}{$field} = {} unless $cache{search}{$hint}{$field};
76 $cache{search}{$hint}{$field}{$val} = $e->$method({$field => $val})
77 unless $cache{search}{$hint}{$field}{$val};
78 return $cache{search}{$hint}{$field}{$val};
82 $ro_object_subs->{aou_tree} = sub {
84 # fetch the org unit tree
85 unless($cache{aou_tree}) {
86 my $tree = $e->search_actor_org_unit([
87 { parent_ou => undef},
89 flesh_fields => {aou => ['children']},
90 order_by => {aou => 'name'}
94 # flesh the org unit type for each org unit
95 # and simultaneously set the id => aou map cache
98 my $ro_object_subs = shift;
99 $node->ou_type( $ro_object_subs->{get_aout}->($node->ou_type) );
100 $cache{map}{aou}{$node->id} = $node;
101 flesh_aout($_, $ro_object_subs) foreach @{$node->children};
103 flesh_aout($tree, $ro_object_subs);
105 $cache{aou_tree} = $tree;
108 return $cache{aou_tree};
111 # Add a special handler for the tree-shaped org unit cache
112 $ro_object_subs->{get_aou} = sub {
114 return undef unless defined $org_id;
115 $ro_object_subs->{aou_tree}->(); # force the org tree to load
116 return $cache{map}{aou}{$org_id};
119 # Returns a flat list of aou objects. often easier to manage than a tree.
120 $ro_object_subs->{aou_list} = sub {
121 $ro_object_subs->{aou_tree}->(); # force the org tree to load
122 return [ values %{$cache{map}{aou}} ];
126 # turns an ISO date into something TT can understand
127 $ro_object_subs->{parse_datetime} = sub {
129 $date = DateTime::Format::ISO8601->new->parse_datetime(cleanse_ISO8601($date));
131 "%0.2d:%0.2d:%0.2d %0.2d-%0.2d-%0.4d",
141 # retrieve and cache org unit setting values
142 $ro_object_subs->{get_org_setting} = sub {
143 my($org_id, $setting) = @_;
145 $cache{org_settings}{$org_id} = {}
146 unless $cache{org_settings}{$org_id};
148 $cache{org_settings}{$org_id}{$setting} =
149 $U->ou_ancestor_setting_value($org_id, $setting)
150 unless exists $cache{org_settings}{$org_id}{$setting};
152 return $cache{org_settings}{$org_id}{$setting};
155 $ctx->{$_} = $ro_object_subs->{$_} for keys %$ro_object_subs;
158 sub generic_redirect {
161 my $cookie = shift; # can be an array of cgi.cookie's
163 $self->apache->print(
164 $self->cgi->redirect(
166 $self->cgi->param('redirect_to') ||
167 $self->ctx->{referer} ||
168 $self->ctx->{home_page},
173 return Apache2::Const::REDIRECT;
176 sub get_records_and_facets {
177 my ($self, $rec_ids, $facet_key, $unapi_args) = @_;
180 $unapi_args->{site} ||= $self->ctx->{aou_tree}->()->shortname;
181 $unapi_args->{depth} ||= $self->ctx->{aou_tree}->()->ou_type->depth;
182 $unapi_args->{flesh_depth} ||= 5;
185 my $ses = OpenSRF::MultiSession->new(
186 app => 'open-ils.cstore',
187 cap => 10, # XXX config
188 success_handler => sub {
189 my($self, $req) = @_;
190 my $data = $req->{response}->[0]->content;
191 my $xml = XML::LibXML->new->parse_string($data->{'unapi.bre'})->documentElement;
193 # Protect against legacy invalid MARCXML that might not have a 901c
195 my $bre_id_nodes = $xml->find('*[@tag="901"]/*[@code="c"]');
197 $bre_id = $bre_id_nodes->[0]->textContent;
199 $logger->warn("Missing 901 subfield 'c' in " . $xml->toString());
201 push(@data, {id => $bre_id, marc_xml => $xml});
206 'open-ils.cstore.json_query',
208 'unapi.bre', $_, 'marcxml','record',
209 $unapi_args->{flesh},
211 $unapi_args->{depth},
212 'acn=>' . $unapi_args->{flesh_depth} . ',acp=>' . $unapi_args->{flesh_depth},
213 undef, undef, $unapi_args->{pref_lib}
217 # collect the facet data
218 my $search = OpenSRF::AppSession->create('open-ils.search');
219 my $facet_req = $search->request(
220 'open-ils.search.facet_cache.retrieve', $facet_key, 10
223 # gather up the unapi recs
224 $ses->session_wait(1);
228 my $tmp_facets = $facet_req->gather(1);
229 for my $cmf_id (keys %$tmp_facets) {
231 # sort highest to lowest match count
233 my $entries = $tmp_facets->{$cmf_id};
234 for my $ent (keys %$entries) {
235 push(@entries, {value => $ent, count => $$entries{$ent}});
237 @entries = sort { $b->{count} <=> $a->{count} } @entries;
238 $facets->{$cmf_id} = {
239 cmf => $self->ctx->{get_cmf}->($cmf_id),
249 return ($facets, @data);
252 # TODO: blend this code w/ ^-- get_records_and_facets
253 sub fetch_marc_xml_by_id {
254 my ($self, $id_list) = @_;
255 $id_list = [$id_list] unless ref($id_list);
258 no warnings qw/numeric/;
259 $id_list = [map { int $_ } @$id_list];
260 $id_list = [grep { $_ > 0} @$id_list];
263 return {} if scalar(@$id_list) < 1;
265 # I'm just sure there needs to be some more efficient way to get all of
267 my $results = $self->editor->json_query({
268 "select" => {"bre" => ["id", "marc"]},
269 "from" => {"bre" => {}},
270 "where" => {"id" => $id_list}
271 }, {substream => 1}) or return $self->editor->die_event;
274 for my $r (@$results) {
275 $marc_xml->{$r->{"id"}} =
276 (new XML::LibXML)->parse_string($r->{"marc"});
282 sub _get_search_lib {
284 my $ctx = $self->ctx;
286 # avoid duplicate lookups
287 return $ctx->{search_ou} if $ctx->{search_ou};
289 my $loc = $ctx->{copy_location_group_org};
292 # loc param takes precedence
293 $loc = $self->cgi->param('loc');
296 my $pref_lib = $self->_get_pref_lib();
297 return $pref_lib if $pref_lib;
299 return $ctx->{aou_tree}->()->id;
304 my $ctx = $self->ctx;
306 # plib param takes precedence
307 my $plib = $self->cgi->param('plib');
308 return $plib if $plib;
311 # See if the user has a search library preference
312 my $lset = $self->editor->search_actor_user_setting({
313 usr => $ctx->{user}->id,
314 name => 'opac.default_search_location'
316 return OpenSRF::Utils::JSON->JSON2perl($lset->value) if $lset;
318 # Otherwise return the user's home library
319 return $ctx->{user}->home_ou;
322 if ($self->cgi->param('physical_loc')) {
323 return $self->cgi->param('physical_loc');
328 # This is defensively coded since we don't do much manual reading from the
329 # file system in this module.
330 sub load_eg_cache_hash {
333 # just a context helper
334 $self->ctx->{eg_cache_hash} = sub { return $cache{eg_cache_hash}; };
336 # Need to actually load the value? If already done, move on.
337 return if defined $cache{eg_cache_hash};
339 # In this way even if we fail, we won't slow things down by ever trying
340 # again within this Apache process' lifetime.
341 $cache{eg_cache_hash} = 0;
343 my $path = File::Spec->catfile(
344 $self->apache->document_root, "eg_cache_hash"
347 if (not open FH, "<$path") {
348 $self->apache->log->warn("error opening $path : $!");
352 my $rv = read FH, $buf, 64; # defensive
355 if (not defined $rv) { # error
356 $self->apache->log->warn("error reading $path : $!");
357 } elsif ($rv > 0) { # no error, something read
359 $cache{eg_cache_hash} = $buf;
364 # Extracts the copy location org unit and group from the
365 # "logc" param, which takes the form org_id:grp_id.
366 sub extract_copy_location_group_info {
368 my $ctx = $self->ctx;
369 if (my $clump = $self->cgi->param('locg')) {
370 my ($org, $grp) = split(/:/, $clump);
371 $ctx->{copy_location_group_org} = $org;
372 $ctx->{copy_location_group} = $grp if $grp;
376 sub load_copy_location_groups {
378 my $ctx = $self->ctx;
380 # User can access to the search location groups at the current
381 # search lib, the physical location lib, and the patron's home ou.
382 my @ctx_orgs = $ctx->{search_ou};
383 push(@ctx_orgs, $ctx->{physical_loc}) if $ctx->{physical_loc};
384 push(@ctx_orgs, $ctx->{user}->home_ou) if $ctx->{user};
386 my $grps = $self->editor->search_asset_copy_location_group([
393 transform => 'actor.org_unit_full_path',
394 result_field => 'id',
397 where => {id => \@ctx_orgs}
401 {order_by => {acplg => 'pos'}}
405 push(@{$buckets{$_->owner}}, $_) for @$grps;
406 $ctx->{copy_location_groups} = \%buckets;
409 sub set_file_download_headers {
411 my $filename = shift;
412 my $ctype = shift || "text/plain; encoding=utf8";
414 $self->apache->content_type($ctype);
416 $self->apache->headers_out->add(
417 "Content-Disposition",
418 "attachment;filename=$filename"
421 return Apache2::Const::OK;