/[webpac2]/trunk/vhost/webpac2.cgi
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 1248 - (show annotations)
Fri Jul 24 09:14:29 2009 UTC (14 years, 9 months ago) by dpavlin
File size: 8475 byte(s)
wrap json deserialize into eval so we don't die on corrupt data

1 #!/usr/bin/perl
2
3 use warnings;
4 use strict;
5
6 use CGI qw/:standard/;
7 use CGI::Carp qw/fatalsToBrowser/;
8 use File::Slurp;
9 use YAML;
10 use Data::Page;
11 use Data::Dump qw/dump/;
12 use SWISH::API;
13 use JSON;
14
15 my $range_around = 5;
16 my @entries_per_page = ( 30, 50, 100, 500 );
17 my $debug = param('debug');
18
19 print header(
20 -charset => 'utf-8',
21 );
22
23 sub dump_yaml {
24 my $name = shift;
25 print qq|<div class=dump><tt>$name</tt><pre>|, YAML::Dump( @_ ), qq|</pre></div>| if $debug;
26 }
27
28 sub show_pager {
29 my ($pager) = @_;
30
31 my @show_pages;
32 my $after_current = 0;
33
34 if ( $pager->current_page <= $range_around + 2 ) {
35 @show_pages = ( $pager->first_page .. $pager->current_page );
36 $after_current = $range_around - $pager->current_page;
37 } else {
38 @show_pages = ( $pager->first_page, '', $pager->current_page - $range_around .. $pager->current_page );
39 }
40
41 if ( $pager->current_page + $after_current + $range_around + 1 >= $pager->last_page ) {
42 push @show_pages, ( $pager->current_page + 1 .. $pager->last_page );
43 } else {
44 push @show_pages, ( $pager->current_page + 1 .. $pager->current_page + $after_current + $range_around, '', $pager->last_page );
45 }
46
47 # dump_yaml( 'show_pages', \@show_pages );
48
49 return '' unless $#show_pages;
50
51 my ( $prev, $next ) = ( '&lt;&lt;', '&gt;&gt;' );
52
53 sub li_a_href {
54 my ( $page, $label, $attr ) = @_;
55 param( 'current_page', $page );
56 my $url = self_url( -query => 1 );
57 $attr ||= '';
58 $label ||= $page;
59 qq|<li$attr><a href="$url" title="$page">$label</a></li>|;
60 }
61
62 return
63 $pager->previous_page ? li_a_href( $pager->previous_page, $prev ) : qq|<li class=skip>$prev</li>|
64 , ( map {
65 if ( $_ eq $pager->current_page ) {
66 qq|<li class=current_page>$_</li>|;
67 } elsif ( $_ eq '' ) {
68 qq|<li class=skip>...</li>|;
69 } else {
70 li_a_href( $_ );
71 }
72 } @show_pages )
73 , $pager->next_page ? li_a_href( $pager->next_page, $next ) : qq|<li class=skip>$next</li>|
74 ;
75
76 }
77
78 my $path = $ENV{PATH_INFO} || 'ecas';
79 $path =~ s{^/+}{};
80 $path =~ s{/+$}{};
81 my $dir = $0;
82 $dir =~ s{/[^/]+.cgi}{};
83
84 dump_yaml( 'dir', $dir );
85
86 my $config = YAML::LoadFile( "$dir/$path/config.yml" );
87
88 my $database = (keys %{ $config->{databases} })[0];
89 die "$database not in $path" unless $path =~ m{\Q$database\E};
90
91 my $html_markup = "$dir/$path/html.pm";
92 my $html_markup_skip;
93 if ( -e $html_markup ) {
94 require $html_markup;
95 $html_markup = $database . '::html';
96 } else {
97 undef $html_markup;
98 }
99
100 my $stats;
101 {
102 my $path = "$dir/../var/swish/$database.yaml";
103 $stats = YAML::LoadFile( $path );
104 dump_yaml( "stats $path", $stats );
105 }
106
107 my $db = $config->{databases}->{$database};
108
109 sub read_config_txt {
110 my ( $file ) = @_;
111 my $input;
112 my $path ="$dir/$path/$path-$file.txt";
113 if ( ! -e $path ) {
114 warn "missing $path";
115 return;
116 }
117 foreach ( split(/[\n\r]+/, read_file( $path ) ) ) {
118 my ( $val,$label ) = split(/\s*\t\s*/,$_,2);
119 push @{ $input->{ '-values' } }, $val;
120 $input->{ '-labels' }->{$val} = $label;
121 }
122 return $input;
123 }
124
125 my $attr_labels = read_config_txt 'labels';
126 my $attr_operators = read_config_txt 'operators';
127
128 my @attr = @{ $attr_labels->{'-values'} } if $attr_labels;
129 @attr = keys %{ $stats->{attr} } unless @attr;
130
131
132 warn dump( $attr_labels, $attr_operators );
133
134 my $only_input;
135 my $inputs_available = 0;
136
137 foreach ( @{ $db->{input} } ) {
138 my $input = $_->{name} || die "no name in ",dump( $_ );
139 next unless defined $stats->{input}->{$input}; # skip inputs without data
140 if ( ! $only_input->{'-labels'}->{$input} ) {
141 push @{ $only_input->{'-values'} }, $input;
142 $only_input->{'-labels'}->{$input} = $_->{description} || $input;
143 $inputs_available++;
144 }
145 }
146
147 warn "## only_input = ", dump( $only_input );
148
149 my @style = ( '../../style.css' );
150 push @style, "../../$path/$path.css" if -e "$dir/$path/$path.css";
151 dump_yaml( 'style', \@style );
152
153 sub search_form {
154 qq|<a name="form"></a>|,
155 start_form( -action => self_url( query => 0 ) ),
156 checkbox_group(
157 -name => 'attr',
158 %$attr_labels,
159 # -linebreak => 0,
160 ),
161 textfield( -name => 'search' ),
162 $attr_operators ? popup_menu( -name => 'attr_operator', %$attr_operators ) : '',
163 submit( -value => 'Search' ),
164 # hidden( -name => 'entries_per_page', -default => $entries_per_page ),
165 popup_menu( -name => 'entries_per_page', -values => [ @entries_per_page ], -title => 'entries per page' ),
166 # we need current_page fixed at 1 so that every submit through form will reset it
167 qq|<input type=hidden name=current_page value=1 >|,
168 checkbox( -name => 'debug', -default => 0 ), # FIXME hidden?
169 qq|<div id=inputs>|,
170 $inputs_available > 1 ?
171 h2( 'Select input' ) .
172 checkbox_group(
173 -name => 'only_input',
174 %$only_input,
175 -linebreak=> 'true',
176 ) : '',
177 qq|</div>|,
178 end_form,
179 ;
180 }
181
182
183 print
184 start_html(
185 -title => $db->{name},
186 -style => [ @style ],
187 ),
188 h1( $db->{name} ),
189 qq|<div id=description>|, $db->{description}, qq|</div>|,
190 ;
191
192 if ( my $search = param('search') ) {
193
194 print qq|
195 <a href="#form" class="skip" title="skip to search form">#</a>
196 <div id="results">
197 |;
198
199 my $swish = SWISH::API->new( "$dir/../var/swish/$database" );
200 $swish->abort_last_error if $swish->Error;
201
202 my @search = ();
203 my @attrs = param('attr');
204 my $op = param('attr_operator');
205
206 if ( $search =~ m{(=|"|AND|OR)} ) {
207 push @search, $search;
208 } elsif ( @attrs ) {
209
210 $op ||= 'Q*';
211 my @or;
212 foreach my $attr ( @attrs ) {
213 my $v = $search;
214 $v =~ s/^\s+//;
215 warn "-- v: $v\n";
216 sub rewrite {
217 my ( $attr, $whitespace, $v ) = @_;
218 warn "## filter $op $whitespace $v\n";
219 my $template = $op;
220 $template =~ s{Q}{$v};
221 $whitespace = " AND " if $whitespace;
222
223 return
224 $whitespace .
225 $attr . '="' . $template . '"';
226 ;
227 };
228 if ( $op =~ m{\s} ) {
229 my $template = $op;
230 $template =~ s{Q}{$v};
231 $v = $attr . '="' . $template . '"';
232 } else {
233 $v =~ s{(\s*)(\S+)}{rewrite($attr,$1,$2)}ge;
234 }
235
236 push @or, $v;
237
238 }
239 push @search, '(' . join(') OR (', @or) . ')';
240
241 } else {
242 push @search, "all=\"$search\"";
243 }
244
245 my $q = '(' . join(') AND (', @search) . ')';
246
247 my @only_input = param('only_input');
248 $q .= ' AND ((' . join(') OR (', map { "input=\"$_\"" } @only_input) . '))' if @only_input;
249
250 warn "# query: $q\n";
251 my $swish_results = $swish->query( $q );
252
253 dump_yaml( 'swish_results', $swish_results );
254
255 my $pager = Data::Page->new;
256 $pager->$_( param($_) ) foreach ( qw/entries_per_page current_page/ );
257 $pager->total_entries( $swish_results->hits );
258
259 dump_yaml( 'pager', $pager );
260
261 $swish_results->seek_result( $pager->first - 1 );
262
263 if ( ! $pager->total_entries ) {
264 my $no_results = 'No results for search <b>%s</b>';
265 $no_results = $swish->error_string . '<br><b>%s</b>' if $swish->error;
266 printf qq|<div class="error">$no_results</div>\n\n|, $q;
267 } else {
268
269 my $results = "<b>%d</b> results for search <b>%s</b> showing results %d - %d";
270 printf qq|<div class="message">$results</div>\n\n|, $pager->total_entries, $q, $pager->first, $pager->last;
271
272 my $pager_html = join("\n", show_pager( $pager ));
273
274 print qq|<ul class="pager">$pager_html</ul>\n\n| if $pager_html;
275
276 my $nr = $pager->first;
277 print qq|<ol start=$nr>\n|;
278
279 my $limit = $pager->entries_on_this_page;
280
281 my $nr = 1;
282
283 while ( my $result = $swish_results->next_result ) {
284
285 my $data = $result->property('data');
286 dump_yaml( 'data', $data );
287 # FIXME if we produce valid json we shouldn't need eval here!
288 eval { $data = from_json( $data, {utf8 => 1} ); };
289 if ( $@ ) {
290 warn "ERROR: $@ from ",dump( $data );
291 next;
292 }
293
294 my $li_class = '';
295 $li_class = qq| class="z"| if $nr % 2 == 0;
296 print qq|<li$li_class>|;
297 foreach my $attr ( @attr ) {
298 next unless defined $data->{$attr};
299 my $v = $data->{$attr};
300 if ( $html_markup && ! $html_markup_skip->{$attr} ) {
301 eval "\$v = $html_markup->$attr( \$v, \$data );";
302 if ( $@ ) {
303 warn "disable html markup for $attr: $@";
304 $html_markup_skip->{$attr} = $@;
305 }
306 } else {
307 $v =~ s{(http://\S+)}{<a href="$1">$1</a>};
308 }
309 my $label = $attr_labels->{'-labels'}->{$attr} || $attr;
310 print qq|<div><label>$label</label><span class=$attr>$v</span></div>\n|;
311 }
312 print qq|</li>\n|;
313
314 last if $nr++ == $pager->last;
315 }
316 print qq|</ol>\n\n|;
317
318 print qq|<ul class="pager bottom">$pager_html</ul>\n\n| if $pager_html;
319 }
320 print qq|</div>|;
321
322 dump_yaml( 'pager', $pager );
323
324 }
325
326 print search_form;
327
328 dump_yaml( "config databases $database", $db );
329 dump_yaml( 'html_markup_skip', $html_markup_skip );
330
331 print end_html;

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