1 package OpenILS::Application::Trigger::Reactor;
2 use strict; use warnings;
3 use Encode qw/ encode /;
6 use DateTime::Format::ISO8601;
7 use Unicode::Normalize;
9 use OpenSRF::Utils qw/:datetime/;
10 use OpenSRF::Utils::Logger qw(:logger);
11 use OpenSRF::Utils::JSON;
12 use OpenILS::Application::AppUtils;
13 use OpenILS::Utils::CStoreEditor qw/:funcs/;
14 my $U = 'OpenILS::Application::AppUtils';
16 sub fourty_two { return 42 }
17 sub NOOP_True { return 1 }
18 sub NOOP_False { return 0 }
21 # To be used in two places within $_TT_helpers. Without putting the code out
22 # here, we can't really reuse it within that structure.
24 my $name = shift or return; # the first arg is always the name
25 my ($type, $attr) = (scalar(@_) == 1) ? (undef, $_[0]) : @_;
26 # if the next is the last, it's the attributes, otherwise type
27 # use Data::Dumper; $logger->warn("get_li_attr: " . Dumper($attr));
28 ($name and @$attr) or return;
30 $name =~ s/^(\D+)_(\d+)$/$1/ and $length = $2;
32 $_->attr_name eq $name or next;
33 next if $length and $length != length($_->attr_value);
34 return $_->attr_value if (! $type) or $type eq $_->attr_type;
39 # helper functions inserted into the TT environment
42 # turns a date into something TT can understand
45 $date = DateTime::Format::ISO8601->new->parse_datetime(cleanse_ISO8601($date));
47 "%0.2d:%0.2d:%0.2d %0.2d-%0.2d-%0.4d",
57 # escapes a string for inclusion in an XML document. escapes &, <, and > characters
60 $str =~ s/&/&/sog;
68 $str =~ s/([\x{0080}-\x{fffd}])/sprintf('\u%0.4x',ord($1))/sgoe;
72 # encode email headers in UTF-8, per RFC2231
73 escape_email_header => sub {
75 $str = encode("MIME-Header", $str);
79 # strip non-ASCII characters after splitting base characters and diacritics
80 # least common denominator for EDIFACT messages using the UNOB character set
81 force_jedi_unob => sub {
84 $str =~ s/[\x{0080}-\x{fffd}]//g;
88 # returns the calculated user locale
89 get_user_locale => sub {
91 return $U->get_user_locale($user_id);
94 # returns the calculated copy price
95 get_copy_price => sub {
97 return $U->get_copy_price(new_editor(xact=>1), $copy_id);
100 # given a copy, returns the title and author in a hash
101 get_copy_bib_basics => sub {
103 my $copy = new_editor(xact=>1)->retrieve_asset_copy([
108 acp => ['call_number'],
113 if($copy->call_number->id == -1) {
115 title => $copy->dummy_title,
116 author => $copy->dummy_author,
119 my $mvr = $U->record_to_mvr($copy->call_number->record);
121 title => $mvr->title,
122 author => $mvr->author
127 # returns the org unit setting value
128 get_org_setting => sub {
129 my($org_id, $setting) = @_;
130 return $U->ou_ancestor_setting_value($org_id, $setting);
133 # This basically greps/maps out ths isbn string values, but also promotes the first isbn-13 to the
134 # front of the line (so that the EDI translator takes it as primary) if there is one.
135 get_li_isbns => sub {
140 $_->attr_name eq 'isbn' or next;
141 my $val = $_->attr_value;
142 if (! $primary and length($val) == 13) {
148 $primary and unshift @isbns, $primary;
149 $logger->debug("get_li_isbns returning isbns: " . join(', ', @isbns));
153 # helpers.get_li_attr('isbn_13', li.attributes)
154 # returns matching line item attribute, or undef
155 get_li_attr => \&get_li_attr,
157 get_li_attr_jedi => sub {
158 # This helper has to mangle data in at least three interesting ways.
160 # 1) We'll be receiving data that may already have some \-escaped
163 # 2) We need our output to be valid JSON.
165 # 3) We need our output to yield valid and unproblematic EDI when
166 # passed through edi4r by the edi_pusher.pl script.
168 my $value = get_li_attr(@_);
170 # Here we can add any number of special case transformations to
171 # avoid problems with the EDI translator (or bad JSON).
173 # The ? character, if in the final position of a string, breaks
174 # the translator. + or ' or : could be problematic, too.
175 if ($value =~ /[\?\+':]$/) {
179 # Typical vendors dealing with EDIFACT would seem not to want
180 # any unicode characters, so trash them. Yes, they're already
181 # in the data escaped like this at this point even though we
182 # haven't JSON-escaped things yet.
183 $value =~ s/\\u[0-9a-f]{4}//g;
185 # What the heck, get rid of [ ] too (although I couldn't get them
186 # to cause any problems for me, problems have been reported. See
188 $value =~ s/[\[\]]//g;
191 $value = OpenSRF::Utils::JSON->perl2JSON($value);
193 # Existing action/trigger templates expect an unquoted string.
200 get_queued_bib_attr => sub {
201 my $name = shift or return; # the first arg is always the name
203 # use Data::Dumper; $logger->warn("get_queued_bib_attr: " . Dumper($attr));
204 ($name and @$attr) or return;
207 select => {'vqbrad' => ['id']},
209 where => {code => $name}
212 my $def_ids = new_editor()->json_query($query);
216 $name =~ s/^(\D+)_(\d+)$/$1/ and $length = $2;
218 $_->field eq @{$def_ids}[0]->{id} or next;
219 next if $length and $length != length($_->attr_value);
220 return $_->attr_value;
225 get_queued_auth_attr => sub {
226 my $name = shift or return; # the first arg is always the name
228 # use Data::Dumper; $logger->warn("get_queued_auth_attr: " . Dumper($attr));
229 ($name and @$attr) or return;
232 select => {'vqarad' => ['id']},
234 where => {code => $name}
237 my $def_ids = new_editor()->json_query($query);
241 $name =~ s/^(\D+)_(\d+)$/$1/ and $length = $2;
243 $_->field eq @{$def_ids}[0]->{id} or next;
244 next if $length and $length != length($_->attr_value);
245 return $_->attr_value;
253 if ($str =~ /\,/ || $str =~ /"/) {
255 $str = '"' . $str . '"';
262 bre_open_hold_count => sub {
264 return 0 unless $bre_id;
265 return $U->simplereq(
267 'open-ils.circ.bre.holds.count', $bre_id);
272 return $str ? (new XML::LibXML)->parse_string($str) : undef;
278 # processes templates. Returns template output on success, undef on error
283 return undef unless $env->{template};
287 my $tt = Template->new;
288 # my $tt = Template->new(ENCODING => 'utf8'); # ??
289 $env->{helpers} = $_TT_helpers;
291 unless( $tt->process(\$env->{template}, $env, \$output) ) {
293 ($error = $tt->error) =~ s/\n/ /og;
294 $logger->error("Error processing Trigger template: $error");
297 if ( $error or (!$nostore && $output) ) {
298 my $t_o = Fieldmapper::action_trigger::event_output->new;
299 $t_o->data( ($error) ? $error : $output );
300 $t_o->is_error( ($error) ? 't' : 'f' );
301 $logger->info("trigger: writing " . length($t_o->data) . " bytes to template output");
303 $env->{EventProcessor}->editor->xact_begin;
304 $t_o = $env->{EventProcessor}->editor->create_action_trigger_event_output( $t_o );
306 my $state = (ref $$env{event} eq 'ARRAY') ? $$env{event}->[0]->state : $env->{event}->state;
307 my $key = ($error) ? 'error_output' : 'template_output';
308 $env->{EventProcessor}->update_state( $state, { $key => $t_o->id } );