/[webpac2]/Webpacus/lib/Webpacus/Model/WebPAC.pm
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Revision 404 - (hide annotations)
Sun Feb 19 20:16:11 2006 UTC (18 years, 2 months ago) by dpavlin
File size: 17401 byte(s)
 r472@llin:  dpavlin | 2006-02-19 21:24:56 +0100
 added doc_num to all databases, refactor database selector into databases.tt

1 dpavlin 92 package Webpacus::Model::WebPAC;
2    
3     use strict;
4     use warnings;
5     use lib '/data/webpac2/lib';
6 dpavlin 93 use base qw/
7     Catalyst::Model
8     /;
9 dpavlin 237 use WebPAC::Store 0.08;
10 dpavlin 382 use Search::Estraier 0.04;
11 dpavlin 135 use File::Slurp;
12 dpavlin 378 use Time::HiRes qw/time/;
13 dpavlin 348 use Encode qw/encode decode from_to/;
14 dpavlin 379 use Template;
15 dpavlin 92
16     =head1 NAME
17    
18     Webpacus::Model::WebPAC - Catalyst Model
19    
20     =head1 SYNOPSIS
21    
22     See L<Webpacus> and L<WebPAC>.
23    
24     =head1 DESCRIPTION
25    
26     Catalyst Model for access to WebPAC data.
27    
28     =head2 new
29    
30     Configuration for hyperestraier in C<config.yaml> like this:
31    
32     --- #YAML:1.0
33     # DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!!
34    
35     # configuration for hyper estraier full text search engine
36     hyperestraier:
37 dpavlin 222 masterurl: 'http://localhost:1978/node/webpac2'
38     defaultnode: 'webpac2'
39     defaultdepth: 1
40 dpavlin 96 user: 'admin'
41     passwd: 'admin'
42 dpavlin 143 hits_on_page: 100
43 dpavlin 305 hits_for_pager: 1000
44 dpavlin 92
45 dpavlin 96 webpac:
46     db_path: '/data/webpac2/db'
47     template_path: '/data/webpac2/conf/output/tt'
48     template: 'html_ffzg_results_short.tt'
49     # encoding comming from webpac
50     webpac_encoding: 'iso-8859-2'
51    
52 dpavlin 92 =cut
53    
54     sub new {
55     my ( $self, $c, $config ) = @_;
56    
57     $self = $self->NEXT::new($c, $config);
58     $self->config($config);
59    
60     my $log = $c->log;
61 dpavlin 94 $self->{log} = $log;
62 dpavlin 92
63 dpavlin 93 my $est_cfg = $c->config->{hyperestraier};
64     $est_cfg->{'log'} = $log;
65 dpavlin 92
66 dpavlin 271 $est_cfg->{encoding} = $est_cfg->{catalyst_encoding} || $c->config->{catalyst_encoding} or $c->log->fatal("can't find catalyst_encoding");
67 dpavlin 142
68 dpavlin 400 $log->dumper($est_cfg, 'est_cfg');
69 dpavlin 92
70 dpavlin 222 if (! $est_cfg->{database}) {
71     my $defaultnode = $est_cfg->{defaultnode} || $log->logdie("can't find defaultnode in estraier configuration");
72     $log->info("using default node $defaultnode");
73     $est_cfg->{database} = $defaultnode;
74     }
75    
76 dpavlin 382 my $url = $est_cfg->{masterurl} . '/node/' . $est_cfg->{database};
77 dpavlin 92
78 dpavlin 382 $log->info("opening Hyper Estraier index $url as $est_cfg->{'user'}");
79    
80     $self->{est_node} = Search::Estraier::Node->new(
81     url => $url,
82     user => $est_cfg->{user},
83     passwd => $est_cfg->{passwd},
84     );
85    
86     $log->fatal("can't create Search::Estraier::Node $url") unless ($self->{est_node});
87    
88 dpavlin 167 # save config parametars in object
89 dpavlin 399 foreach my $f (qw/
90     db_path template_path hits_on_page webpac_encoding defaultdepth
91 dpavlin 400 masterurl defaultnode
92 dpavlin 399 /) {
93 dpavlin 167 $self->{$f} = $c->config->{hyperestraier}->{$f} ||
94     $c->config->{webpac}->{$f};
95     $log->debug("self->{$f} = " . $self->{$f});
96     }
97     my $db_path = $self->{db_path};
98     my $template_path = $self->{template_path};
99 dpavlin 95
100     $log->debug("using db path '$db_path', template path '$template_path'");
101    
102 dpavlin 222 $self->{db} = new WebPAC::Store(
103 dpavlin 95 path => $db_path,
104     read_only => 1,
105 dpavlin 224 database => $est_cfg->{database},
106 dpavlin 95 );
107    
108 dpavlin 101 # default template from config.yaml
109 dpavlin 95 $self->{template} ||= $c->config->{webpac}->{template};
110    
111 dpavlin 100 $log->debug("converting encoding from webpac_encoding '" .
112     $c->config->{webpac}->{webpac_encoding} .
113 dpavlin 99 "'"
114     );
115 dpavlin 96
116 dpavlin 382 $self->{databases} = $c->config->{databases} || $log->fatal("can't find databases in config");
117 dpavlin 155
118 dpavlin 379 # create Template toolkit instance
119     $self->{'tt'} = Template->new(
120     INCLUDE_PATH => $template_path,
121     FILTERS => {
122     dump_html => sub {
123     return unless (@_);
124     my $out;
125     my $i = 1;
126     foreach my $v (@_) {
127     $out .= qq{<div id="dump_$i">} .
128     Data::HTMLDumper->Dump([ $v ],[ "v$i" ]) .
129     qq{</div>};
130     $i++;
131     }
132     $out =~ s!<table[^>/]*>!<table class="dump">!gis if ($out);
133     return $out;
134     }
135     },
136     EVAL_PERL => 1,
137     );
138 dpavlin 378
139 dpavlin 92 return $self;
140    
141     }
142    
143 dpavlin 399 =head2 setup_site
144 dpavlin 135
145 dpavlin 399 $self->setup_site('site_name');
146    
147 dpavlin 400 Change node URL and database name according to site name (if available) or fallback
148     to C<defaultnode> from configuration.
149 dpavlin 399
150     =cut
151    
152     sub setup_site {
153     my $self = shift;
154    
155 dpavlin 400 my $site = shift || $self->{defaultnode};
156 dpavlin 399
157 dpavlin 400 $self->{log}->fatal("setup_site can't find site or defaultnode") unless ($site);
158    
159 dpavlin 399 my $url = $self->{masterurl} . '/node/' . $site;
160     $self->{est_node}->set_url( $url );
161 dpavlin 400 $self->{log}->debug("setup_site $site using $url");
162 dpavlin 399 }
163    
164 dpavlin 135 =head2 search
165    
166 dpavlin 150 my $m->search(
167     phrase => 'query phrase',
168 dpavlin 155 add_attr => \@add_attr
169     get_attr => [ '@uri' ],
170     max => 42,
171 dpavlin 150 template => 'result_template.tt',
172 dpavlin 222 depth => 1,
173 dpavlin 150 );
174 dpavlin 135
175 dpavlin 155 All fields are standard C<WebPAC::Search::Estraier> parametars except
176     C<template> which will (if specified) return results in HTML using
177     selected template.
178    
179 dpavlin 135 =cut
180    
181 dpavlin 93 sub search {
182 dpavlin 150 my $self = shift;
183 dpavlin 93
184 dpavlin 378 my $search_start_t = time();
185    
186 dpavlin 150 my $args = {@_};
187    
188 dpavlin 95 my $log = $self->{log};
189 dpavlin 94
190 dpavlin 400 $log->dumper($args, 'args');
191 dpavlin 95
192 dpavlin 150 my $query = $args->{phrase} || $log->warn("no query phrase") && return;
193 dpavlin 95
194 dpavlin 150 my $template_filename = $args->{template} || $self->{template};
195    
196 dpavlin 305 $args->{max} ||= $self->{'hits_for_pager'};
197 dpavlin 155 if (! $args->{max}) {
198 dpavlin 305 $args->{max} = 100;
199     $log->warn("max not set when calling model. Using default of $args->{max}");
200 dpavlin 155 }
201 dpavlin 93
202 dpavlin 155 my $times; # store some times for benchmarking
203    
204     my $t = time();
205    
206 dpavlin 222 # transfer depth of search
207     if (! $args->{depth}) {
208     my $default = $self->{defaultdepth} || $log->logdie("can't find defaultdepth in estraier configuration");
209     $args->{depth} = $default;
210     $log->warn("using default search depth $default");
211     }
212 dpavlin 383 $args->{depth} ||= 0;
213 dpavlin 222
214 dpavlin 383 $log->debug("searching for maximum $args->{max} results using depth $args->{depth} phrase: ", $query || '[none]');
215 dpavlin 155
216 dpavlin 382 #
217     # construct condition for Hyper Estraier
218     #
219     my $cond = Search::Estraier::Condition->new();
220     if ( ref($args->{add_attr}) eq 'ARRAY' ) {
221     $log->debug("adding search attributes: " . join(", ", @{ $args->{add_attr} }) );
222     map {
223 dpavlin 383 $cond->add_attr( $_ );
224 dpavlin 382 $log->debug(" + $_");
225     } @{ $args->{add_attr} };
226     };
227    
228     $cond->set_phrase( $query ) if ($query);
229     $cond->set_options( $args->{options} ) if ($args->{options});
230     $cond->set_order( $args->{order} ) if ($args->{order});
231    
232     my $max = $args->{max} || 7;
233     my $page = $args->{page} || 1;
234     if ($page < 1) {
235     $log->warn("page number $page < 1");
236     $page = 1;
237     }
238    
239     $cond->set_max( $page * $max );
240 dpavlin 99
241 dpavlin 383 my $result = $self->{est_node}->search($cond, $args->{depth});
242 dpavlin 382 my $hits = $result->doc_num;
243    
244 dpavlin 384 $times->{est} += time() - $t;
245    
246 dpavlin 380 $log->debug( sprintf("search took %.6fs and returned $hits hits.", $times->{est}) );
247 dpavlin 150
248 dpavlin 400 $log->dumper($result->{hints}, 'result->hints' );
249 dpavlin 385
250 dpavlin 155 #
251 dpavlin 382 # fetch results
252 dpavlin 155 #
253    
254 dpavlin 382 my @results;
255 dpavlin 100
256 dpavlin 382 for my $i ( (($page - 1) * $max) .. ( $hits - 1 ) ) {
257 dpavlin 95
258 dpavlin 382 $t = time();
259    
260     #$log->debug("get_doc($i)");
261     my $doc = $result->get_doc( $i );
262     if (! $doc) {
263     $log->warn("can't find result $i");
264 dpavlin 224 next;
265     }
266 dpavlin 95
267 dpavlin 382 my $hash;
268 dpavlin 95
269 dpavlin 382 foreach my $attr (@{ $args->{get_attr} }) {
270     my $val = $doc->attr( $attr );
271     #$log->debug("attr $attr = ", $val || 'undef');
272     $hash->{$attr} = $val if (defined($val));
273 dpavlin 242 }
274 dpavlin 155
275 dpavlin 382 $times->{hash} += time() - $t;
276 dpavlin 155
277 dpavlin 382 next unless ($hash);
278 dpavlin 115
279 dpavlin 382 if (! $args->{'template'}) {
280     push @results, $hash;
281     } else {
282     my ($database, $prefix, $id);
283 dpavlin 155
284 dpavlin 382 if ( $hash->{'@uri'} =~ m!/([^/]+)/([^/]+)/(\d+)$!) {
285     ($database, $prefix,$id) = ($1,$2,$3);
286     } else {
287     $log->warn("can't decode database/prefix/id from " . $hash->{'@uri'});
288     next;
289     }
290 dpavlin 100
291 dpavlin 382 #$log->debug("load_ds( id => $id, prefix => '$prefix' )");
292 dpavlin 155
293 dpavlin 382 $t = time();
294 dpavlin 155
295 dpavlin 382 my $ds = $self->{db}->load_ds( database => $database, prefix => $prefix, id => $id );
296     if (! $ds) {
297     $log->error("can't load_ds( ${database}/${prefix}/${id} )");
298     next;
299     }
300 dpavlin 100
301 dpavlin 382 $times->{db} += time() - $t;
302 dpavlin 100
303 dpavlin 382 $t = time();
304    
305     my $html = $self->apply(
306     template => $template_filename,
307     data => $ds,
308     record_uri => "${database}/${prefix}/${id}",
309     config => $self->{databases}->{$database},
310     );
311    
312     $times->{apply} += time() - $t;
313    
314     $t = time();
315    
316     $html = decode($self->{webpac_encoding}, $html);
317    
318     $times->{decode} += time() - $t;
319    
320     push @results, $html;
321     }
322    
323 dpavlin 95 }
324    
325 dpavlin 155 $log->debug( sprintf(
326 dpavlin 382 "duration breakdown: estraier %.6fs, hash %.6fs, store %.6fs, apply %.6fs, decode %.06f, total: %.6fs",
327     $times->{est}, $times->{hash}, $times->{db}, $times->{apply}, $times->{decode}, time() - $search_start_t,
328 dpavlin 155 ) );
329    
330 dpavlin 382 return \@results;
331 dpavlin 93 }
332    
333 dpavlin 165 =head2 record
334    
335     my $html = $m->record(
336     mfn => 42,
337     template => 'foo.tt',
338     );
339    
340     This will load one record, convert it to html using C<template> and return
341     it.
342    
343     =cut
344    
345     sub record {
346     my $self = shift;
347    
348     my $args = {@_};
349     my $log = $self->{log};
350 dpavlin 400 $log->dumper( $args, 'args' );
351 dpavlin 165
352 dpavlin 242 foreach my $f (qw/record_uri template/) {
353 dpavlin 228 $log->fatal("need $f") unless ($args->{$f});
354 dpavlin 165 }
355    
356 dpavlin 242 my ($database, $prefix, $id);
357 dpavlin 165
358 dpavlin 242 if ($args->{record_uri} =~ m#^([^/]+)/([^/]+)/([^/]+)$#) {
359     ($database, $prefix, $id) = ($1,$2,$3);
360     } else {
361     $log->error("can't parse $args->{record_uri} into prefix, database and uri");
362     return;
363     }
364 dpavlin 165
365 dpavlin 242 my $ds = $self->{db}->load_ds( id => $id, prefix => $prefix, database => $database );
366     if (! $ds) {
367     $log->error("can't load_ds( $database/$prefix/$id )");
368     return;
369     }
370    
371 dpavlin 379 my $html = $self->apply(
372 dpavlin 165 template => $args->{template},
373     data => $ds,
374 dpavlin 242 record_uri => $args->{record_uri},
375 dpavlin 305 config => $self->{databases}->{$database},
376 dpavlin 165 );
377    
378 dpavlin 348 $html = decode($self->{webpac_encoding}, $html);
379 dpavlin 165
380     return $html;
381     }
382    
383 dpavlin 305
384 dpavlin 403 =head2 list_nodes
385    
386     my @nodes = $m->list_nodes( 'site' );
387    
388     Return all databases which have records for selected site. Returned array of
389     hashes has elements C<name> and C<label>.
390    
391     =cut
392    
393     sub list_nodes {
394     my $self = shift;
395    
396     my $site = shift;
397    
398     $self->{log}->debug("list_nodes use site $site");
399    
400     $self->setup_site( $site );
401    
402     my @nodes;
403    
404     if ($self->{est_node}->doc_num > 0) {
405     push @nodes, {
406     name => $self->{est_node}->name,
407     label => $self->{est_node}->label,
408 dpavlin 404 doc_num => $self->{est_node}->doc_num,
409 dpavlin 403 }
410     }
411    
412     # refresh set info
413     $self->{est_node}->_set_info;
414    
415     my $links = $self->{est_node}->links || return @nodes;
416    
417     $self->{log}->dumper( $links, 'links' );
418    
419     foreach my $link (@{ $links }) {
420     my ($url, $label, $credit) = split(/\t/, $link, 3);
421     if ($url =~ m#/node/(.+)$#) {
422 dpavlin 404 my $node = $1;
423     $self->setup_site( $node );
424     $self->{est_node}->_set_info;
425 dpavlin 403 push @nodes, {
426 dpavlin 404 name => $node,
427 dpavlin 403 label => $label,
428 dpavlin 404 doc_num => $self->{est_node}->doc_num,
429 dpavlin 403 }
430     } else {
431     $self->{log}->warn("can't find node name in link $link");
432     }
433     }
434    
435 dpavlin 404 $self->setup_site( $site );
436     $self->{est_node}->_set_info;
437    
438 dpavlin 403 $self->{log}->dumper( \@nodes, 'nodes' );
439    
440     return @nodes;
441     }
442    
443     =cut
444    
445    
446 dpavlin 135 =head2 save_html
447 dpavlin 93
448 dpavlin 135 $m->save_html( '/full/path/to/file', $content );
449 dpavlin 93
450 dpavlin 348 It will use C<Encode> to convert content encoding back to
451 dpavlin 135 Webpac codepage, recode JavaScript Unicode entities (%u1234),
452     strip extra newlines at beginning and end, and save to
453     C</full/path/to/file.new> and if that succeeds, just rename
454     it over original file which should be atomic on filesystem level.
455    
456     =cut
457    
458     sub save_html {
459     my ($self, $path, $content) = @_;
460    
461 dpavlin 348 # FIXME Should this be UTF-8 or someting?
462     my $js_encoding = $self->{webpac_encoding};
463     $js_encoding = 'UTF-16';
464    
465 dpavlin 135 sub _conv_js {
466 dpavlin 348 return '0x' . $_[1];
467     return encode($_[0], chr(hex($_[1])));
468 dpavlin 135 }
469 dpavlin 348 #$content =~ s/%u([a-fA-F0-9]{4})/_conv_js($js_encoding,$1)/gex;
470 dpavlin 135 $content =~ s/^[\n\r]+//s;
471     $content =~ s/[\n\r]+$/\n/s;
472 dpavlin 282 $content =~ s/\n\r/\n/gs;
473 dpavlin 135
474 dpavlin 348 my $disk_encoding = $self->{webpac_encoding} || 'utf-8';
475     $self->{log}->debug("convert encoding to $disk_encoding");
476     from_to($content, 'utf-8', $disk_encoding) || $self->{log}->warn("encoding from utf-8 to $disk_encoding failed for: $content");
477 dpavlin 179
478     write_file($path . '.new', {binmode => ':raw' }, $content) || die "can't save ${path}.new $!";
479 dpavlin 135 rename $path . '.new', $path || die "can't rename to $path: $!";
480     }
481    
482     =head2 load_html
483    
484     my $html = $m->load_html('/full/path/to/file');
485    
486     This will convert file from Webpac encoding to Catalyst and
487     convert that data to escaped HTML (for sending into
488     C<< <textarea/> >> tags in html.
489    
490     =cut
491    
492     sub load_html {
493     my ($self, $path) = @_;
494    
495     die "no path?" unless ($path);
496    
497 dpavlin 179 my $content = read_file($path, {binmode => ':raw' }) || die "can't read $path: $!";
498 dpavlin 135
499 dpavlin 348 return decode($self->{webpac_encoding}, $content);
500 dpavlin 135 }
501    
502 dpavlin 379
503     =head2 apply
504    
505     Create output from in-memory data structure using Template Toolkit template.
506    
507     my $text = $tt->apply(
508     template => 'text.tt',
509     data => $ds,
510     record_uri => 'database/prefix/mfn',
511     );
512    
513     It also has follwing template toolikit filter routies defined:
514    
515     =cut
516    
517     sub apply {
518     my $self = shift;
519    
520     my $args = {@_};
521    
522     my $log = $self->{log} || die "no log?";
523    
524     foreach my $a (qw/template data/) {
525 dpavlin 382 $log->fatal("need $a") unless ($args->{$a});
526 dpavlin 379 }
527    
528     =head3 tt_filter_type
529    
530     filter to return values of specified from $ds, usage from TT template is in form
531     C<d('FieldName','delimiter')>, where C<delimiter> is optional, like this:
532    
533     [% d('Title') %]
534     [% d('Author',', ' %]
535    
536     =cut
537    
538     sub tt_filter_type {
539     my ($data,$type) = @_;
540    
541     die "no data?" unless ($data);
542     $type ||= 'display';
543    
544     my $default_delimiter = {
545     'display' => '&#182;<br/>',
546     'index' => '\n',
547     };
548    
549     return sub {
550    
551     my ($name,$join) = @_;
552    
553     die "no data hash" unless ($data->{'data'} && ref($data->{'data'}) eq 'HASH');
554     # Hm? Should we die here?
555     return unless ($name);
556    
557     my $item = $data->{'data'}->{$name} || return;
558    
559     my $v = $item->{$type} || return;
560    
561     if (ref($v) eq 'ARRAY') {
562     if ($#{$v} == 0) {
563     $v = $v->[0];
564     } else {
565     $join = $default_delimiter->{$type} unless defined($join);
566     $v = join($join, @{$v});
567     }
568     } else {
569     warn("TT filter $type(): field $name values aren't ARRAY, ignoring");
570     }
571    
572     return $v;
573     }
574     }
575    
576     $args->{'d'} = tt_filter_type($args, 'display');
577     $args->{'display'} = tt_filter_type($args, 'display');
578    
579     =head3 tt_filter_search
580    
581     filter to return links to search, usage in TT:
582    
583     [% search('FieldToDisplay','FieldToSearch','optional delimiter', 'optional_template.tt') %]
584    
585     =cut
586    
587     sub tt_filter_search {
588    
589     my ($data) = @_;
590    
591     die "no data?" unless ($data);
592    
593     return sub {
594    
595     my ($display,$search,$delimiter,$template) = @_;
596    
597     # default delimiter
598     $delimiter ||= '&#182;<br/>',
599    
600     die "no data hash" unless ($data->{'data'} && ref($data->{'data'}) eq 'HASH');
601     # Hm? Should we die here?
602     return unless ($display);
603    
604     my $item = $data->{'data'}->{$display} || return;
605    
606     return unless($item->{'display'});
607     if (! $item->{'search'}) {
608     warn "error in TT template: field $display didn't insert anything into search, use d('$display') and not search('$display'...)";
609     return;
610     }
611    
612     my @warn;
613     foreach my $type (qw/display search/) {
614     push @warn, "field $display type $type values aren't ARRAY" unless (ref($item->{$type}) eq 'ARRAY');
615     }
616    
617     if (@warn) {
618     warn("TT filter search(): " . join(",", @warn) . ", skipping");
619     return;
620     }
621     my @html;
622    
623     my $d_el = $#{ $item->{'display'} };
624     my $s_el = $#{ $item->{'search'} };
625    
626     # easy, both fields have same number of elements or there is just
627     # one search and multiple display
628     if ( $d_el == $s_el || $s_el == 0 ) {
629    
630     foreach my $i ( 0 .. $d_el ) {
631    
632     my $s;
633     if ($s_el > 0) {
634 dpavlin 383 $s = $item->{'search'}->[$i] or warn "can't find value $i for type search in field $search";
635 dpavlin 379 } else {
636     $s = $item->{'search'}->[0];
637     }
638     #$s =~ s/([^\w.-])/sprintf("%%%02X",ord($1))/eg;
639     $s = __quotemeta( $s );
640    
641 dpavlin 383 my $d = $item->{'display'}->[$i] or warn "can't find value $i for type display in field $display";
642 dpavlin 379
643     my $template_arg = '';
644     $template_arg = qq{,'$template'} if ($template);
645    
646     push @html, qq{<a href="#" onclick="return search_via_link('$search','$s'${template_arg})">$d</a>};
647     }
648    
649     return join($delimiter, @html);
650     } else {
651     my $html = qq{<div class="notice">WARNING: we should really support if there is $d_el display elements and $s_el search elements, but currently there is no nice way to do so, so we will just display values</div>};
652     my $v = $item->{'display'};
653    
654     if ($#{$v} == 0) {
655     $html .= $v->[0];
656     } else {
657     $html .= join($delimiter, @{$v});
658     }
659     return $html;
660     }
661     }
662     }
663    
664     $args->{'search'} = tt_filter_search($args);
665    
666     =head3 load_rec
667    
668     Used mostly for onClick events like this:
669    
670     <a href="#" onClick="[% load_rec( record_uri, 'template_name.tt') %]>foo</a>
671    
672     It will automatically do sanity checking and create correct JavaScript code.
673    
674     =cut
675    
676     $args->{'load_rec'} = sub {
677     my @errors;
678    
679     my $record_uri = shift or push @errors, "record_uri missing";
680     my $template = shift or push @errors, "template missing";
681    
682     if ($record_uri !~ m#^[^/]+/[^/]+/[^/]+$#) {
683     push @errors, "invalid format of record_uri: $record_uri";
684     }
685    
686     if (@errors) {
687     return "Logger.error('errors in load_rec: " . join(", ", @errors) . "'); return false;";
688     } else {
689     return "load_rec('$record_uri','$template'); return false;";
690     }
691     };
692    
693     =head3 load_template
694    
695     Used to re-submit search request and load results in different template
696    
697     <a href="#" onClick="[% load_template( 'template_name.tt' ) %]">bar</a>
698    
699     =cut
700    
701     $args->{'load_template'} = sub {
702     my $template = shift or return "Logger.error('load_template missing template name!'); return false;";
703     return "load_template($template); return false;";
704     };
705    
706     my $out;
707    
708     $self->{'tt'}->process(
709     $args->{'template'},
710     $args,
711     \$out
712     ) || $log->error( "apply can't process template: ", $self->{'tt'}->error() );
713    
714     return $out;
715     }
716    
717    
718     =head2 __quotemeta
719    
720     Helper to quote JavaScript-friendly characters
721    
722     =cut
723    
724     sub __quotemeta {
725     local $_ = shift;
726     $_ = decode('iso-8859-2', $_);
727    
728     s<([\x{0080}-\x{fffd}]+)>{sprintf '\u%0*v4X', '\u', $1}ge if ( Encode::is_utf8($_) );
729     {
730     use bytes;
731     s<((?:[^ \x21-\x7E]|(?:\\(?!u)))+)>{sprintf '\x%0*v2X', '\x', $1}ge;
732     }
733    
734     s/\\x09/\\t/g;
735     s/\\x0A/\\n/g;
736     s/\\x0D/\\r/g;
737     s/"/\\"/g;
738     s/\\x5C/\\\\/g;
739    
740     return $_;
741     }
742    
743    
744    
745 dpavlin 92 =head1 AUTHOR
746    
747 dpavlin 348 Dobrica Pavlinusic C<< <dpavlin@rot13.org> >>
748 dpavlin 92
749     =head1 LICENSE
750    
751     This library is free software, you can redistribute it and/or modify
752     it under the same terms as Perl itself.
753    
754     =cut
755    
756     1;

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