/[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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Revision 80 - (show annotations)
Tue Jul 8 08:24:13 2003 UTC (16 years, 4 months ago) by dpavlin
File size: 6011 byte(s)
fixed bugs with < and > in headline

1 package WebPac;
2
3 use base 'CGI::Application';
4 use strict;
5
6 use HTML::Pager;
7 use HTML::FillInForm;
8 use SWISH;
9 use Text::Iconv;
10 use DBI;
11 use Config::IniFiles;
12 use Text::Unaccent;
13
14 use lib '..';
15 use index_DBI;
16 use back2html;
17
18
19 # 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
30
31 Text::Iconv->raise_error(0); # Conversion errors raise exceptions
32
33 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
34
35
36 sub setup {
37 my $self = shift;
38 $self->tmpl_path($TEMPLATE_PATH);
39 $self->run_modes(
40 'search' => 'show_search_form',
41 'results' => 'show_results_list',
42 # 'user' => 'show_user_detail',
43 'index' => 'show_index',
44 );
45 $self->start_mode('search');
46 $self->mode_param('rm');
47
48 $self->header_props(-charset=>$CHARSET);
49 }
50
51 sub show_search_form {
52 my $self = shift;
53
54 # Get the CGI.pm query object
55 my $q = $self->query();
56
57 my $tmpl = $self->load_tmpl('search.html');
58 my $html = $tmpl->output;
59
60 my $fif = new HTML::FillInForm;
61
62 return $fif->fill(scalarref => \$html, fobject => $q,
63 target => 'search');
64 }
65
66 sub show_results_list {
67 my $self = shift;
68
69 my $q = $self->query();
70
71 my @swish_results; # results from swish
72
73 # load template for this page
74
75 my @s_arr; # all queries are located here
76
77 my @path_arr = $q->param('path');
78 my $full = $q->param('full');
79
80 for(my $i = 1; $i <=30; $i++) {
81
82 return show_index($self, $i) if ($q->param("f".$i."_index"));
83 next if (! $q->param("v$i"));
84 next if (! $q->param("f$i"));
85
86 # re-write query from +/- to and/and not
87 my @param_vals = $q->param("v$i");
88 my @swish_q;
89 while (my $search = shift @param_vals) {
90 my $s;
91 # remove accents
92 $search = unac_string($CHARSET,$search);
93 while ($search =~ s/\s*("[^"]+")\s*/ /) {
94 $s .= "$1 ";
95 }
96 $search =~ s/^\s+//;
97 $search =~ s/\s+$//;
98
99 foreach (split(/\s+/,$search)) {
100 if (m/^([+-])(\S+)/) {
101 $s.= ($s) ? "and " : "";
102 $s.="not " if ($1 eq "-");
103 $s.="$2* ";
104 } elsif (m/(and|or|not)/i) {
105 $s.="$_ ";
106 } else {
107 $s.="$_* ";
108 }
109 }
110 $s =~ s/\*+/*/g;
111 push @swish_q,$s;
112 }
113 # FIXME default operator for multi-value fields is or. There is
114 # no way to change it, except here for now. Is there need?
115 push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
116 }
117
118 my $tmpl = $self->load_tmpl('results.html');
119
120 sub esc_html {
121 my $html = shift;
122 $html =~ s/</&lt;/g;
123 $html =~ s/>/&gt;/g;
124 return $html;
125 }
126
127 # call swish
128 my $sh = SWISH->connect('Fork',
129 prog => $SWISH,
130 indexes => $INDEX,
131 properties => [qw/swishdocpath swishrank swishtitle headline html/],
132 results => sub {
133 my ($sh,$hit) = @_;
134
135 push @swish_results, {
136 nr => ($#swish_results + 2),
137 path => $hit->swishdocpath,
138 headline => esc_html($from_utf8->convert($hit->headline)),
139 html => back2html($from_utf8->convert($hit->html)),
140 rank => $hit->swishrank };
141
142 },
143 #startnum => 0,
144 maxhits => $MAX_HITS
145 );
146
147 die $SWISH::errstr unless $sh;
148 # construct swish query
149 my $sw_q = join(" and ",@s_arr);
150 if (@path_arr) {
151 $sw_q .= "and (swishdocpath=\"";
152 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
153 $sw_q .= "\")";
154 $tmpl->param('full',1); # show full records
155 }
156
157 my $hits = $sh->query($sw_q);
158
159 $tmpl->param('hits',$hits);
160 $tmpl->param('search',$sw_q);
161
162 $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
163 $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
164
165 # create a Pager object
166 my $pager = HTML::Pager->new(
167 # required parameters
168 query => $q,
169 get_data_callback => sub {
170 my ($offset, $rows) = @_;
171
172 my @result;
173 for (my $i=0; $i<$rows; $i++) {
174 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
175 }
176 return \@result;
177 },
178 rows => $hits,
179 page_size => $ON_PAGE,
180 # some optional parameters
181 persist_vars => [
182 'rm',
183 'f1', 'v1',
184 'f2', 'v2',
185 'f3', 'v3',
186 'f4', 'v4',
187 'f5', 'v5',
188 'f6', 'v6',
189 'f7', 'v7',
190 'f8', 'v8',
191 'f9', 'v9',
192 ],
193 #cell_space_color => '#000000',
194 #cell_background_color => '#ffffff',
195 #nav_background_color => '#dddddd',
196 #javascript_presubmit => 'last_minute_javascript()',
197 debug => 1,
198 template => $tmpl,
199 );
200
201 my $html = $pager->output;
202
203 return $html;
204 }
205
206 sub show_index {
207 my $self = shift;
208 my $i = shift; # field number
209
210 my $q = $self->query();
211
212 my $field = $q->param("f$i");
213 my $limit = $q->param("v$i");
214
215 my $html;
216
217 my $index = new index_DBI(
218 $cfg_global->val('global', 'dbi_dbd'),
219 $cfg_global->val('global', 'dbi_dsn'),
220 $cfg_global->val('global', 'dbi_user'),
221 $cfg_global->val('global', 'dbi_passwd') || ''
222 );
223
224 my $total = $index->check($field);
225 if (! $total) {
226 my $tmpl = $self->load_tmpl('no_index.html');
227 $tmpl->param('field',$field);
228 $html = $tmpl->output;
229 return $html;
230 }
231
232 my $tmpl = $self->load_tmpl('index_res.html');
233 $tmpl->param('field',$field);
234 $tmpl->param('limit',$limit);
235 $tmpl->param('total',$total);
236
237 # FIXME I should set offset and leave out limit from fetch!!
238 # if (! $q->param("PAGER_offset") {
239 # $q->param("Pager_offet)
240 # }
241
242 my $pager = HTML::Pager->new(
243 query => $q,
244 get_data_callback => sub {
245 my ($offset, $rows) = @_;
246
247 my @result = $index->fetch($field,'item',$limit, $offset, $rows);
248 return \@result;
249 },
250 rows => $total,
251 page_size => $ON_PAGE,
252 persist_vars => [
253 'rm',
254 "f$i", "v$i", "f".$i."_index",
255 'offset',
256 ],
257 debug => 1,
258 template => $tmpl,
259 );
260
261 return $pager->output;
262 }
263
264 1;

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