/[webpac]/trunk/WebPac.pm
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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Annotation of /trunk/WebPac.pm

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Revision 140 - (hide annotations)
Thu Oct 30 00:10:09 2003 UTC (16 years ago) by dpavlin
File size: 6650 byte(s)
fix for total number of entries from index if using filter, renamed
check function to count and added limit

1 dpavlin 7 package WebPac;
2    
3     use base 'CGI::Application';
4     use strict;
5    
6     use HTML::Pager;
7     use HTML::FillInForm;
8     use SWISH;
9 dpavlin 14 use Text::Iconv;
10 dpavlin 9 use DBI;
11 dpavlin 53 use Config::IniFiles;
12 dpavlin 73 use Text::Unaccent;
13 dpavlin 7
14 dpavlin 11 use lib '..';
15 dpavlin 128 use index_DBI_cache;
16 dpavlin 13 use back2html;
17 dpavlin 11
18 dpavlin 7
19 dpavlin 76 # read global.conf configuration
20     my $cfg_global = new Config::IniFiles( -file => '../global.conf' ) || die "can't open 'global.conf'";
21    
22     # configuration options from global.conf
23     my $TEMPLATE_PATH = $cfg_global->val('webpac', 'template_html') || die "need template_html in global.conf, section webpac";
24     my $CHARSET = $cfg_global->val('webpac', 'charset') || 'ISO-8859-1';
25     my $SWISH = $cfg_global->val('webpac', 'swish') || '/usr/bin/swish-e';
26     my $INDEX = $cfg_global->val('webpac', 'index') || die "need index in global.conf, section webpac";
27     my $MAX_HITS = $cfg_global->val('webpac', 'max_hits') || 0;
28     my $ON_PAGE =$cfg_global->val('webpac', 'on_page') || 10;
29 dpavlin 120 my $MIN_WILDCARD =$cfg_global->val('webpac', 'min_wildcard') || 1;
30 dpavlin 76
31    
32 dpavlin 30 Text::Iconv->raise_error(0); # Conversion errors raise exceptions
33 dpavlin 7
34 dpavlin 14 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
35    
36 dpavlin 53
37 dpavlin 7 sub setup {
38     my $self = shift;
39     $self->tmpl_path($TEMPLATE_PATH);
40     $self->run_modes(
41     'search' => 'show_search_form',
42     'results' => 'show_results_list',
43 dpavlin 9 # 'user' => 'show_user_detail',
44     'index' => 'show_index',
45 dpavlin 7 );
46     $self->start_mode('search');
47     $self->mode_param('rm');
48    
49     $self->header_props(-charset=>$CHARSET);
50     }
51    
52     sub show_search_form {
53     my $self = shift;
54    
55     # Get the CGI.pm query object
56     my $q = $self->query();
57    
58     my $tmpl = $self->load_tmpl('search.html');
59     my $html = $tmpl->output;
60    
61     my $fif = new HTML::FillInForm;
62    
63     return $fif->fill(scalarref => \$html, fobject => $q,
64     target => 'search');
65     }
66    
67     sub show_results_list {
68     my $self = shift;
69    
70     my $q = $self->query();
71    
72     my @swish_results; # results from swish
73    
74     # load template for this page
75    
76     my @s_arr; # all queries are located here
77    
78 dpavlin 47 my @path_arr = $q->param('path');
79     my $full = $q->param('full');
80    
81 dpavlin 112 my @persist_vars = ( 'rm' );
82 dpavlin 126 my @url_params = ( 'rm=results', 'show_full=1', 'last_PAGER_offset='.$q->param('PAGER_offset') || 0 );
83 dpavlin 112
84 dpavlin 71 for(my $i = 1; $i <=30; $i++) {
85 dpavlin 7
86 dpavlin 9 return show_index($self, $i) if ($q->param("f".$i."_index"));
87 dpavlin 112
88 dpavlin 71 next if (! $q->param("v$i"));
89 dpavlin 9 next if (! $q->param("f$i"));
90 dpavlin 7
91 dpavlin 112 push @persist_vars, "f$i";
92     push @persist_vars, "v$i";
93    
94 dpavlin 126 push @url_params,"f$i=".$q->url_param("f$i");
95     push @url_params,"v$i=".$q->url_param("v$i");
96    
97 dpavlin 7 # re-write query from +/- to and/and not
98 dpavlin 73 my @param_vals = $q->param("v$i");
99     my @swish_q;
100     while (my $search = shift @param_vals) {
101     my $s;
102     # remove accents
103     $search = unac_string($CHARSET,$search);
104     while ($search =~ s/\s*("[^"]+")\s*/ /) {
105     $s .= "$1 ";
106     }
107     $search =~ s/^\s+//;
108     $search =~ s/\s+$//;
109 dpavlin 7
110 dpavlin 73 foreach (split(/\s+/,$search)) {
111     if (m/^([+-])(\S+)/) {
112     $s.= ($s) ? "and " : "";
113     $s.="not " if ($1 eq "-");
114     $s.="$2* ";
115 dpavlin 122 } elsif (m/^\s*(and|or|not)\s*$/i) {
116 dpavlin 73 $s.="$_ ";
117 dpavlin 120 # don't add * to words with less than x chars
118     } elsif (length($_) <= $MIN_WILDCARD) {
119     $s.="$_ ";
120 dpavlin 73 } else {
121     $s.="$_* ";
122     }
123 dpavlin 7 }
124 dpavlin 73 $s =~ s/\*+/*/g;
125     push @swish_q,$s;
126 dpavlin 7 }
127 dpavlin 73 # FIXME default operator for multi-value fields is or. There is
128     # no way to change it, except here for now. Is there need?
129     push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
130 dpavlin 7 }
131    
132 dpavlin 126 my $tmpl = $self->load_tmpl('results.html', global_vars => 1);
133 dpavlin 9
134 dpavlin 80 sub esc_html {
135     my $html = shift;
136     $html =~ s/</&lt;/g;
137     $html =~ s/>/&gt;/g;
138     return $html;
139     }
140    
141 dpavlin 7 # call swish
142     my $sh = SWISH->connect('Fork',
143     prog => $SWISH,
144     indexes => $INDEX,
145 dpavlin 13 properties => [qw/swishdocpath swishrank swishtitle headline html/],
146 dpavlin 7 results => sub {
147     my ($sh,$hit) = @_;
148    
149     push @swish_results, {
150     nr => ($#swish_results + 2),
151     path => $hit->swishdocpath,
152 dpavlin 80 headline => esc_html($from_utf8->convert($hit->headline)),
153 dpavlin 41 html => back2html($from_utf8->convert($hit->html)),
154 dpavlin 7 rank => $hit->swishrank };
155    
156     },
157     #startnum => 0,
158 dpavlin 47 maxhits => $MAX_HITS
159 dpavlin 7 );
160    
161     die $SWISH::errstr unless $sh;
162 dpavlin 47 # construct swish query
163     my $sw_q = join(" and ",@s_arr);
164 dpavlin 111 if (@path_arr && $q->param('show_full')) {
165 dpavlin 47 $sw_q .= "and (swishdocpath=\"";
166     $sw_q .= join("\" or swishdocpath=\"",@path_arr);
167     $sw_q .= "\")";
168     $tmpl->param('full',1); # show full records
169 dpavlin 121 } else {
170     $tmpl->param('full',0);
171 dpavlin 47 }
172 dpavlin 7
173 dpavlin 47 my $hits = $sh->query($sw_q);
174    
175 dpavlin 7 $tmpl->param('hits',$hits);
176 dpavlin 47 $tmpl->param('search',$sw_q);
177 dpavlin 7
178 dpavlin 76 $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
179     $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
180 dpavlin 51
181 dpavlin 126 $tmpl->param('url_params',"?".join("&",@url_params));
182    
183 dpavlin 7 # create a Pager object
184     my $pager = HTML::Pager->new(
185     # required parameters
186     query => $q,
187     get_data_callback => sub {
188     my ($offset, $rows) = @_;
189    
190     my @result;
191     for (my $i=0; $i<$rows; $i++) {
192 dpavlin 114 my $r = $swish_results[$offset+$i];
193 dpavlin 121 if ($r && $tmpl->param('full')) {
194 dpavlin 114 push @result, $r;
195     } elsif ($r) {
196     # if not full output, skip html
197     delete $r->{html};
198     push @result, $r;
199     }
200 dpavlin 7 }
201     return \@result;
202     },
203     rows => $hits,
204     page_size => $ON_PAGE,
205     # some optional parameters
206 dpavlin 112 persist_vars => [ @persist_vars ],
207 dpavlin 7 #cell_space_color => '#000000',
208     #cell_background_color => '#ffffff',
209     #nav_background_color => '#dddddd',
210     #javascript_presubmit => 'last_minute_javascript()',
211     debug => 1,
212     template => $tmpl,
213     );
214    
215     my $html = $pager->output;
216    
217     return $html;
218     }
219    
220 dpavlin 9 sub show_index {
221     my $self = shift;
222     my $i = shift; # field number
223    
224     my $q = $self->query();
225    
226 dpavlin 11 my $field = $q->param("f$i");
227     my $limit = $q->param("v$i");
228    
229 dpavlin 9 my $html;
230    
231 dpavlin 53 my $index = new index_DBI(
232     $cfg_global->val('global', 'dbi_dbd'),
233     $cfg_global->val('global', 'dbi_dsn'),
234     $cfg_global->val('global', 'dbi_user'),
235     $cfg_global->val('global', 'dbi_passwd') || ''
236     );
237 dpavlin 9
238 dpavlin 140 my $total = $index->count($field,$limit);
239 dpavlin 12 if (! $total) {
240 dpavlin 11 my $tmpl = $self->load_tmpl('no_index.html');
241     $tmpl->param('field',$field);
242     $html = $tmpl->output;
243     return $html;
244     }
245 dpavlin 9
246 dpavlin 124 my $tmpl = $self->load_tmpl('index_res.html', global_vars => 1);
247 dpavlin 12 $tmpl->param('field',$field);
248     $tmpl->param('limit',$limit);
249     $tmpl->param('total',$total);
250 dpavlin 11
251 dpavlin 51 # FIXME I should set offset and leave out limit from fetch!!
252 dpavlin 16 # if (! $q->param("PAGER_offset") {
253     # $q->param("Pager_offet)
254     # }
255    
256 dpavlin 12 my $pager = HTML::Pager->new(
257     query => $q,
258     get_data_callback => sub {
259     my ($offset, $rows) = @_;
260 dpavlin 11
261 dpavlin 140 my @result = $index->fetch($field,$limit, $offset, $rows);
262 dpavlin 12 return \@result;
263     },
264     rows => $total,
265     page_size => $ON_PAGE,
266     persist_vars => [
267     'rm',
268     "f$i", "v$i", "f".$i."_index",
269     'offset',
270     ],
271     debug => 1,
272     template => $tmpl,
273     );
274 dpavlin 11
275 dpavlin 12 return $pager->output;
276 dpavlin 9 }
277    
278 dpavlin 7 1;

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