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, $filterfield, $filterval) = @_;
74 my $method = "search_$eclass";
76 my $search_obj = {$field => $val};
78 $search_obj->{$filterfield} = $filterval;
79 $cacheval .= ':' . $filterfield . ':' . $filterval;
81 $cache{search}{$hint}{$field} = {} unless $cache{search}{$hint}{$field};
82 $cache{search}{$hint}{$field}{$cacheval} = $e->$method($search_obj)
83 unless $cache{search}{$hint}{$field}{$cacheval};
84 return $cache{search}{$hint}{$field}{$cacheval};
88 $ro_object_subs->{aou_tree} = sub {
90 # fetch the org unit tree
91 unless($cache{aou_tree}) {
92 my $tree = $e->search_actor_org_unit([
93 { parent_ou => undef},
95 flesh_fields => {aou => ['children']},
96 order_by => {aou => 'name'}
100 # flesh the org unit type for each org unit
101 # and simultaneously set the id => aou map cache
104 my $ro_object_subs = shift;
105 $node->ou_type( $ro_object_subs->{get_aout}->($node->ou_type) );
106 $cache{map}{aou}{$node->id} = $node;
107 flesh_aout($_, $ro_object_subs) foreach @{$node->children};
109 flesh_aout($tree, $ro_object_subs);
111 $cache{aou_tree} = $tree;
114 return $cache{aou_tree};
117 # Add a special handler for the tree-shaped org unit cache
118 $ro_object_subs->{get_aou} = sub {
120 return undef unless defined $org_id;
121 $ro_object_subs->{aou_tree}->(); # force the org tree to load
122 return $cache{map}{aou}{$org_id};
125 # Returns a flat list of aou objects. often easier to manage than a tree.
126 $ro_object_subs->{aou_list} = sub {
127 $ro_object_subs->{aou_tree}->(); # force the org tree to load
128 return [ values %{$cache{map}{aou}} ];
131 $ro_object_subs->{aouct_tree} = sub {
133 # fetch the org unit tree
134 unless(exists $cache{aouct_tree}) {
135 $cache{aouct_tree} = undef;
137 my $tree_id = $e->search_actor_org_unit_custom_tree(
138 {purpose => 'opac', active => 't'},
143 my $node_tree = $e->search_actor_org_unit_custom_tree_node([
144 {parent_node => undef, tree => $tree_id},
146 flesh_fields => {aouctn => ['children', 'org_unit']},
147 order_by => {aouctn => 'sibling_order'}
151 # tree-ify the org units. note that since the orgs are fleshed
152 # upon retrieval, this org tree will not clobber ctx->{aou_tree}.
153 my @nodes = ($node_tree);
154 while (my $node = shift(@nodes)) {
155 my $aou = $node->org_unit;
157 for my $cnode (@{$node->children}) {
158 my $child_org = $cnode->org_unit;
159 $child_org->parent_ou($aou->id);
160 $child_org->ou_type( $ro_object_subs->{get_aout}->($child_org->ou_type) );
161 push(@{$aou->children}, $child_org);
162 push(@nodes, $cnode);
166 $cache{aouct_tree} = $node_tree->org_unit;
170 return $cache{aouct_tree};
173 # turns an ISO date into something TT can understand
174 $ro_object_subs->{parse_datetime} = sub {
176 $date = DateTime::Format::ISO8601->new->parse_datetime(cleanse_ISO8601($date));
178 "%0.2d:%0.2d:%0.2d %0.2d-%0.2d-%0.4d",
188 # retrieve and cache org unit setting values
189 $ro_object_subs->{get_org_setting} = sub {
190 my($org_id, $setting) = @_;
192 $cache{org_settings}{$org_id} = {}
193 unless $cache{org_settings}{$org_id};
195 $cache{org_settings}{$org_id}{$setting} =
196 $U->ou_ancestor_setting_value($org_id, $setting)
197 unless exists $cache{org_settings}{$org_id}{$setting};
199 return $cache{org_settings}{$org_id}{$setting};
202 $ctx->{$_} = $ro_object_subs->{$_} for keys %$ro_object_subs;
205 sub generic_redirect {
208 my $cookie = shift; # can be an array of cgi.cookie's
210 $self->apache->print(
211 $self->cgi->redirect(
213 $self->cgi->param('redirect_to') ||
214 $self->ctx->{referer} ||
215 $self->ctx->{home_page},
220 return Apache2::Const::REDIRECT;
223 sub get_records_and_facets {
224 my ($self, $rec_ids, $facet_key, $unapi_args) = @_;
227 $unapi_args->{site} ||= $self->ctx->{aou_tree}->()->shortname;
228 $unapi_args->{depth} ||= $self->ctx->{aou_tree}->()->ou_type->depth;
229 $unapi_args->{flesh_depth} ||= 5;
232 my $outer_self = $self;
233 $self->timelog("get_records_and_facets(): about to call multisession");
234 my $ses = OpenSRF::MultiSession->new(
235 app => 'open-ils.cstore',
236 cap => 10, # XXX config
237 success_handler => sub {
238 my($self, $req) = @_;
239 my $data = $req->{response}->[0]->content;
241 $outer_self->timelog("get_records_and_facets(): got response content");
243 # Protect against requests for non-existent records
244 return unless $data->{'unapi.bre'};
246 my $xml = XML::LibXML->new->parse_string($data->{'unapi.bre'})->documentElement;
248 $outer_self->timelog("get_records_and_facets(): parsed xml");
249 # Protect against legacy invalid MARCXML that might not have a 901c
251 my $bre_id_nodes = $xml->find('*[@tag="901"]/*[@code="c"]');
253 $bre_id = $bre_id_nodes->[0]->textContent;
255 $logger->warn("Missing 901 subfield 'c' in " . $xml->toString());
257 push(@data, {id => $bre_id, marc_xml => $xml});
258 $outer_self->timelog("get_records_and_facets(): end of success handler");
262 $self->timelog("get_records_and_facets(): about to call unapi.bre via json_query (rec_ids has " . scalar(@$rec_ids));
265 'open-ils.cstore.json_query',
267 'unapi.bre', $_, 'marcxml','record',
268 $unapi_args->{flesh},
270 $unapi_args->{depth},
271 'acn=>' . $unapi_args->{flesh_depth} . ',acp=>' . $unapi_args->{flesh_depth},
272 undef, undef, $unapi_args->{pref_lib}
277 $self->timelog("get_records_and_facets():almost ready to fetch facets");
278 # collect the facet data
279 my $search = OpenSRF::AppSession->create('open-ils.search');
280 my $facet_req = $search->request(
281 'open-ils.search.facet_cache.retrieve', $facet_key, 10
284 # gather up the unapi recs
285 $ses->session_wait(1);
286 $self->timelog("get_records_and_facets():past session wait");
290 my $tmp_facets = $facet_req->gather(1);
291 $self->timelog("get_records_and_facets(): gathered facet data");
292 for my $cmf_id (keys %$tmp_facets) {
294 # sort highest to lowest match count
296 my $entries = $tmp_facets->{$cmf_id};
297 for my $ent (keys %$entries) {
298 push(@entries, {value => $ent, count => $$entries{$ent}});
300 @entries = sort { $b->{count} <=> $a->{count} } @entries;
301 $facets->{$cmf_id} = {
302 cmf => $self->ctx->{get_cmf}->($cmf_id),
306 $self->timelog("get_records_and_facets(): gathered/sorted facet data");
313 return ($facets, @data);
316 # TODO: blend this code w/ ^-- get_records_and_facets
317 sub fetch_marc_xml_by_id {
318 my ($self, $id_list) = @_;
319 $id_list = [$id_list] unless ref($id_list);
322 no warnings qw/numeric/;
323 $id_list = [map { int $_ } @$id_list];
324 $id_list = [grep { $_ > 0} @$id_list];
327 return {} if scalar(@$id_list) < 1;
329 # I'm just sure there needs to be some more efficient way to get all of
331 my $results = $self->editor->json_query({
332 "select" => {"bre" => ["id", "marc"]},
333 "from" => {"bre" => {}},
334 "where" => {"id" => $id_list}
335 }, {substream => 1}) or return $self->editor->die_event;
338 for my $r (@$results) {
339 $marc_xml->{$r->{"id"}} =
340 (new XML::LibXML)->parse_string($r->{"marc"});
346 sub _get_search_lib {
348 my $ctx = $self->ctx;
350 # avoid duplicate lookups
351 return $ctx->{search_ou} if $ctx->{search_ou};
353 my $loc = $ctx->{copy_location_group_org};
356 # loc param takes precedence
357 $loc = $self->cgi->param('loc');
360 my $pref_lib = $self->_get_pref_lib();
361 return $pref_lib if $pref_lib;
363 return $ctx->{aou_tree}->()->id;
368 my $ctx = $self->ctx;
370 # plib param takes precedence
371 my $plib = $self->cgi->param('plib');
372 return $plib if $plib;
375 # See if the user has a search library preference
376 my $lset = $self->editor->search_actor_user_setting({
377 usr => $ctx->{user}->id,
378 name => 'opac.default_search_location'
380 return OpenSRF::Utils::JSON->JSON2perl($lset->value) if $lset;
382 # Otherwise return the user's home library
383 return $ctx->{user}->home_ou;
386 if ($self->cgi->param('physical_loc')) {
387 return $self->cgi->param('physical_loc');
392 # This is defensively coded since we don't do much manual reading from the
393 # file system in this module.
394 sub load_eg_cache_hash {
397 # just a context helper
398 $self->ctx->{eg_cache_hash} = sub { return $cache{eg_cache_hash}; };
400 # Need to actually load the value? If already done, move on.
401 return if defined $cache{eg_cache_hash};
403 # In this way even if we fail, we won't slow things down by ever trying
404 # again within this Apache process' lifetime.
405 $cache{eg_cache_hash} = 0;
407 my $path = File::Spec->catfile(
408 $self->apache->document_root, "eg_cache_hash"
411 if (not open FH, "<$path") {
412 $self->apache->log->warn("error opening $path : $!");
416 my $rv = read FH, $buf, 64; # defensive
419 if (not defined $rv) { # error
420 $self->apache->log->warn("error reading $path : $!");
421 } elsif ($rv > 0) { # no error, something read
423 $cache{eg_cache_hash} = $buf;
428 # Extracts the copy location org unit and group from the
429 # "logc" param, which takes the form org_id:grp_id.
430 sub extract_copy_location_group_info {
432 my $ctx = $self->ctx;
433 if (my $clump = $self->cgi->param('locg')) {
434 my ($org, $grp) = split(/:/, $clump);
435 $ctx->{copy_location_group_org} = $org;
436 $ctx->{copy_location_group} = $grp if $grp;
440 sub load_copy_location_groups {
442 my $ctx = $self->ctx;
444 # User can access to the search location groups at the current
445 # search lib, the physical location lib, and the patron's home ou.
446 my @ctx_orgs = $ctx->{search_ou};
447 push(@ctx_orgs, $ctx->{physical_loc}) if $ctx->{physical_loc};
448 push(@ctx_orgs, $ctx->{user}->home_ou) if $ctx->{user};
450 my $grps = $self->editor->search_asset_copy_location_group([
457 transform => 'actor.org_unit_full_path',
458 result_field => 'id',
461 where => {id => \@ctx_orgs}
465 {order_by => {acplg => 'pos'}}
469 push(@{$buckets{$_->owner}}, $_) for @$grps;
470 $ctx->{copy_location_groups} = \%buckets;
473 sub set_file_download_headers {
475 my $filename = shift;
476 my $ctype = shift || "text/plain; encoding=utf8";
478 $self->apache->content_type($ctype);
480 $self->apache->headers_out->add(
481 "Content-Disposition",
482 "attachment;filename=$filename"
485 return Apache2::Const::OK;
488 sub apache_log_if_event {
489 my ($self, $event, $prefix_text, $success_ok, $level) = @_;
491 $prefix_text ||= "Evergreen returned event";
496 $prefix_text .= ": ";
498 my $code = $U->event_code($event);
499 if (defined $code and ($code or not $success_ok)) {
500 $self->apache->log->$level(
502 ($event->{textcode} || "") . " ($code)" .
503 ($event->{note} ? (": " . $event->{note}) : "")