/[webpac2]/trunk/vhost/webpac2.cgi
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Revision 1155 - (show annotations)
Sat Apr 25 11:00:22 2009 UTC (15 years ago) by dpavlin
File size: 6701 byte(s)
 r1817@llin:  dpavlin | 2009-04-25 13:00:13 +0200
 implement swish-e query rewriter

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;
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|<pre># $name\n|, YAML::Dump( @_ ), qq|</pre>| 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 my $dir = $0;
80 $dir =~ s{/[^/]+.cgi}{};
81
82 my $config = YAML::LoadFile( "$dir/$path/config.yml" );
83
84 my $database = (keys %{ $config->{databases} })[0];
85 die "$database not in $path" unless $path =~ m{\Q$database\E};
86
87 my $html_markup = "$dir/$path/html.pm";
88 my $html_markup_skip;
89 if ( -e $html_markup ) {
90 require $html_markup;
91 $html_markup = $database . '::html';
92 } else {
93 undef $html_markup;
94 }
95
96 my $estraier = YAML::LoadFile( "$dir/../var/estraier/$database.yaml" );
97
98 my $db = $config->{databases}->{$database};
99
100 my @attr = keys %{ $estraier->{attr} }; # FIXME replace with real gnerated lookup
101
102 # XXX pipe delimit list!
103 my $select_attr_operators = << '__ATTR_OPERATORS__';
104 Q* | Bilo koja riječ
105 BW Q | Početak
106 BW Q EW | Točan oblik
107 __ATTR_OPERATORS__
108
109 my $attr_operator;
110
111 foreach ( split(/[\n\r]+/, $select_attr_operators ) ) {
112 my ( $operator,$label ) = split(/\s+\|\s+/,$_,2);
113 push @{ $attr_operator->{ '-values' } }, $operator;
114 $attr_operator->{ '-labels' }->{$operator} = $label;
115 }
116
117 warn "## attr_operator = ", dump( $attr_operator );
118
119 print
120 start_html(
121 -title => $db->{name},
122 -style => '../../style.css',
123 ),
124 h1( $db->{name} ),
125 qq|<div id=description>|, $db->{description}, qq|</div>|,
126 start_form( -action => self_url( query => 0 ) ),
127 radio_group(
128 -name => 'attr',
129 -values => [ @attr ],
130 # -linebreak => 0,
131 ),
132 textfield( -name => 'search' ),
133 popup_menu( -name => 'attr_operator', %$attr_operator ),
134 submit,
135 hidden( -name => 'entries_per_page', -default => $entries_per_page ),
136 hidden( -name => 'current_page', -default => 1 ),
137 checkbox( -name => 'debug', -default => 0 ), # FIXME hidden?
138 qq|<div id=inputs>|,
139 h2( 'Select input' ),
140 checkbox_group(
141 -name => 'only_input',
142 -values => [ map { $_->{name} } @{ $db->{input} } ],
143 -linebreak=> 'true',
144 ),
145 qq|</div>|,
146
147 ;
148
149 dump_yaml( 'inputs', $db->{input} );
150 dump_yaml( 'input names', map { $_->{name} } @{ $db->{input} } );
151
152 print end_form;
153
154 if ( my $search = param('search') ) {
155
156 print qq|<div id="results">|;
157
158 my $swish = SWISH::API->new( "$dir/../var/swish/$database" );
159 $swish->abort_last_error if $swish->Error;
160
161 param( 'entries_per_page', $entries_per_page ) unless param('entries_per_page'); # FIXME not needed?
162 my $pager = Data::Page->new;
163 $pager->total_entries( param('current_page') * param('entries_per_page') );
164 $pager->$_( param($_) ) foreach ( qw/entries_per_page current_page/ );
165
166 dump_yaml( 'pager', $pager );
167
168 my @search = ();
169
170 if ( $search =~ m{(=|"|AND|OR)} ) {
171 push @search, $search;
172 } elsif ( my $op = param('attr_operator') ) {
173 my $attr = param('attr');
174 my $v = $search;
175 $v =~ s/^\s+//;
176 warn "-- v: $v\n";
177 sub rewrite {
178 my ( $whitespace, $v ) = @_;
179 warn "## filter $op $whitespace $v\n";
180 my $template = $op;
181 $template =~ s{Q}{$v};
182 $whitespace = " AND " if $whitespace;
183
184 return
185 $whitespace .
186 $attr . '="' . $template . '"';
187 ;
188 };
189 $v =~ s{(\s*)(\S+)}{rewrite($1,$2)}ge;
190
191 push @search, $v;
192 } else {
193 push @search, "xml=$search";
194 }
195
196 my @only_input = param('only_input');
197
198 push @search, '(' . join(') or (', @only_input) . ')' if @only_input;
199
200 my $q = '(' . join(') and (', @search) . ')';
201 $q =~ s{\(\((.+)\)\)}{($1)};
202 warn "# query: $q\n";
203 my $swish_results = $swish->query( $q );
204
205 dump_yaml( 'swish_results', $swish_results );
206
207 $pager->total_entries( $swish_results->hits );
208
209 if ( ! $pager->total_entries ) {
210 my $no_results = 'No results for search <b>%s</b>';
211 $no_results = $swish->error_string . '<br><b>%s</b>' if $swish->error;
212 printf qq|<div class="error">$no_results</div>\n\n|, $q;
213 } else {
214
215 my $results = "<b>%d</b> results for search <b>%s</b> showing results %d - %d";
216 printf qq|<div class="message">$results</div>\n\n|, $pager->total_entries, $q, $pager->first, $pager->last;
217
218 my $pager_html = join("\n", show_pager( $pager ));
219
220 print qq|<ul class="pager">$pager_html</ul>\n\n| if $pager_html;
221
222 my $start = $pager->first;
223 print qq|<ol start=$start>\n|;
224
225 while ( my $result = $swish_results->next_result ) {
226 my $data = from_json $result->property('data');
227
228 print qq|<li>|;
229 foreach my $attr ( @attr ) {
230 next unless defined $data->{$attr};
231 my $v = $data->{$attr};
232 if ( $html_markup && ! $html_markup_skip->{$attr} ) {
233 eval "\$v = $html_markup->$attr( \$v );";
234 if ( $@ ) {
235 warn "disable html markup for $attr: $@";
236 $html_markup_skip->{$attr} = $@;
237 }
238 }
239 print qq|<div><label>$attr</label><span class=$attr>$v</span></div>\n|;
240 }
241 print qq|</li>\n|;
242 }
243 print qq|</ol>\n\n|;
244
245 print qq|<ul class="pager bottom">$pager_html</ul>\n\n| if $pager_html;
246 }
247 print qq|</div>|;
248
249 dump_yaml( 'pager', $pager );
250
251 }
252
253 dump_yaml( 'db', $db );
254 dump_yaml( 'html_markup_skip', $html_markup_skip );
255
256 print end_html;

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