/[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 147 - (hide annotations)
Sun Nov 16 16:14:37 2003 UTC (16 years ago) by dpavlin
File size: 7072 byte(s)
Implementation of master template: just create template html file in
public_html and insert ##webpac## where you want output of webpac.
Then define template to full path to that template, and you are ready to go.

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 147 my $TEMPLATE =$cfg_global->val('webpac', 'template');
31 dpavlin 76
32    
33 dpavlin 30 Text::Iconv->raise_error(0); # Conversion errors raise exceptions
34 dpavlin 7
35 dpavlin 14 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
36    
37 dpavlin 53
38 dpavlin 7 sub setup {
39     my $self = shift;
40     $self->tmpl_path($TEMPLATE_PATH);
41     $self->run_modes(
42     'search' => 'show_search_form',
43     'results' => 'show_results_list',
44 dpavlin 9 # 'user' => 'show_user_detail',
45     'index' => 'show_index',
46 dpavlin 7 );
47     $self->start_mode('search');
48     $self->mode_param('rm');
49    
50     $self->header_props(-charset=>$CHARSET);
51     }
52    
53 dpavlin 147 sub in_template {
54     my $html = shift || "This page is left unintentionally blank";
55     return $html if (! defined($TEMPLATE));
56     if (open(T, $TEMPLATE)) {
57     my $template_html = join("\n",<T>);
58     close(T);
59     $template_html =~ s/##webpac##/$html/gsi;
60     return $template_html;
61     } else {
62     return "Can't read template '$TEMPLATE'";
63     }
64     }
65    
66 dpavlin 7 sub show_search_form {
67     my $self = shift;
68    
69     # Get the CGI.pm query object
70     my $q = $self->query();
71    
72     my $tmpl = $self->load_tmpl('search.html');
73     my $html = $tmpl->output;
74    
75     my $fif = new HTML::FillInForm;
76    
77 dpavlin 147 return in_template($fif->fill(scalarref => \$html, fobject => $q,
78     target => 'search'));
79 dpavlin 7 }
80    
81     sub show_results_list {
82     my $self = shift;
83    
84     my $q = $self->query();
85    
86     my @swish_results; # results from swish
87    
88     # load template for this page
89    
90     my @s_arr; # all queries are located here
91    
92 dpavlin 47 my @path_arr = $q->param('path');
93     my $full = $q->param('full');
94    
95 dpavlin 112 my @persist_vars = ( 'rm' );
96 dpavlin 126 my @url_params = ( 'rm=results', 'show_full=1', 'last_PAGER_offset='.$q->param('PAGER_offset') || 0 );
97 dpavlin 112
98 dpavlin 71 for(my $i = 1; $i <=30; $i++) {
99 dpavlin 7
100 dpavlin 9 return show_index($self, $i) if ($q->param("f".$i."_index"));
101 dpavlin 112
102 dpavlin 71 next if (! $q->param("v$i"));
103 dpavlin 9 next if (! $q->param("f$i"));
104 dpavlin 7
105 dpavlin 112 push @persist_vars, "f$i";
106     push @persist_vars, "v$i";
107    
108 dpavlin 126 push @url_params,"f$i=".$q->url_param("f$i");
109     push @url_params,"v$i=".$q->url_param("v$i");
110    
111 dpavlin 7 # re-write query from +/- to and/and not
112 dpavlin 73 my @param_vals = $q->param("v$i");
113     my @swish_q;
114     while (my $search = shift @param_vals) {
115     my $s;
116     # remove accents
117     $search = unac_string($CHARSET,$search);
118     while ($search =~ s/\s*("[^"]+")\s*/ /) {
119     $s .= "$1 ";
120     }
121     $search =~ s/^\s+//;
122     $search =~ s/\s+$//;
123 dpavlin 7
124 dpavlin 73 foreach (split(/\s+/,$search)) {
125     if (m/^([+-])(\S+)/) {
126     $s.= ($s) ? "and " : "";
127     $s.="not " if ($1 eq "-");
128     $s.="$2* ";
129 dpavlin 122 } elsif (m/^\s*(and|or|not)\s*$/i) {
130 dpavlin 73 $s.="$_ ";
131 dpavlin 120 # don't add * to words with less than x chars
132     } elsif (length($_) <= $MIN_WILDCARD) {
133     $s.="$_ ";
134 dpavlin 73 } else {
135     $s.="$_* ";
136     }
137 dpavlin 7 }
138 dpavlin 73 $s =~ s/\*+/*/g;
139     push @swish_q,$s;
140 dpavlin 7 }
141 dpavlin 73 # FIXME default operator for multi-value fields is or. There is
142     # no way to change it, except here for now. Is there need?
143     push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
144 dpavlin 7 }
145    
146 dpavlin 126 my $tmpl = $self->load_tmpl('results.html', global_vars => 1);
147 dpavlin 9
148 dpavlin 80 sub esc_html {
149     my $html = shift;
150     $html =~ s/</&lt;/g;
151     $html =~ s/>/&gt;/g;
152     return $html;
153     }
154    
155 dpavlin 7 # call swish
156     my $sh = SWISH->connect('Fork',
157     prog => $SWISH,
158     indexes => $INDEX,
159 dpavlin 13 properties => [qw/swishdocpath swishrank swishtitle headline html/],
160 dpavlin 7 results => sub {
161     my ($sh,$hit) = @_;
162    
163     push @swish_results, {
164     nr => ($#swish_results + 2),
165     path => $hit->swishdocpath,
166 dpavlin 80 headline => esc_html($from_utf8->convert($hit->headline)),
167 dpavlin 41 html => back2html($from_utf8->convert($hit->html)),
168 dpavlin 7 rank => $hit->swishrank };
169    
170     },
171     #startnum => 0,
172 dpavlin 47 maxhits => $MAX_HITS
173 dpavlin 7 );
174    
175     die $SWISH::errstr unless $sh;
176 dpavlin 47 # construct swish query
177     my $sw_q = join(" and ",@s_arr);
178 dpavlin 111 if (@path_arr && $q->param('show_full')) {
179 dpavlin 47 $sw_q .= "and (swishdocpath=\"";
180     $sw_q .= join("\" or swishdocpath=\"",@path_arr);
181     $sw_q .= "\")";
182     $tmpl->param('full',1); # show full records
183 dpavlin 121 } else {
184     $tmpl->param('full',0);
185 dpavlin 47 }
186 dpavlin 7
187 dpavlin 47 my $hits = $sh->query($sw_q);
188    
189 dpavlin 7 $tmpl->param('hits',$hits);
190 dpavlin 47 $tmpl->param('search',$sw_q);
191 dpavlin 7
192 dpavlin 76 $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
193     $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
194 dpavlin 51
195 dpavlin 126 $tmpl->param('url_params',"?".join("&",@url_params));
196    
197 dpavlin 7 # create a Pager object
198     my $pager = HTML::Pager->new(
199     # required parameters
200     query => $q,
201     get_data_callback => sub {
202     my ($offset, $rows) = @_;
203    
204     my @result;
205     for (my $i=0; $i<$rows; $i++) {
206 dpavlin 114 my $r = $swish_results[$offset+$i];
207 dpavlin 121 if ($r && $tmpl->param('full')) {
208 dpavlin 114 push @result, $r;
209     } elsif ($r) {
210     # if not full output, skip html
211     delete $r->{html};
212     push @result, $r;
213     }
214 dpavlin 7 }
215     return \@result;
216     },
217     rows => $hits,
218     page_size => $ON_PAGE,
219     # some optional parameters
220 dpavlin 112 persist_vars => [ @persist_vars ],
221 dpavlin 7 #cell_space_color => '#000000',
222     #cell_background_color => '#ffffff',
223     #nav_background_color => '#dddddd',
224     #javascript_presubmit => 'last_minute_javascript()',
225     debug => 1,
226     template => $tmpl,
227     );
228    
229     my $html = $pager->output;
230    
231 dpavlin 147 return in_template($html);
232 dpavlin 7 }
233    
234 dpavlin 9 sub show_index {
235     my $self = shift;
236     my $i = shift; # field number
237    
238     my $q = $self->query();
239    
240 dpavlin 11 my $field = $q->param("f$i");
241     my $limit = $q->param("v$i");
242    
243 dpavlin 9 my $html;
244    
245 dpavlin 53 my $index = new index_DBI(
246     $cfg_global->val('global', 'dbi_dbd'),
247     $cfg_global->val('global', 'dbi_dsn'),
248     $cfg_global->val('global', 'dbi_user'),
249     $cfg_global->val('global', 'dbi_passwd') || ''
250     );
251 dpavlin 9
252 dpavlin 140 my $total = $index->count($field,$limit);
253 dpavlin 12 if (! $total) {
254 dpavlin 11 my $tmpl = $self->load_tmpl('no_index.html');
255     $tmpl->param('field',$field);
256     $html = $tmpl->output;
257     return $html;
258     }
259 dpavlin 9
260 dpavlin 124 my $tmpl = $self->load_tmpl('index_res.html', global_vars => 1);
261 dpavlin 12 $tmpl->param('field',$field);
262     $tmpl->param('limit',$limit);
263     $tmpl->param('total',$total);
264 dpavlin 11
265 dpavlin 51 # FIXME I should set offset and leave out limit from fetch!!
266 dpavlin 16 # if (! $q->param("PAGER_offset") {
267     # $q->param("Pager_offet)
268     # }
269    
270 dpavlin 12 my $pager = HTML::Pager->new(
271     query => $q,
272     get_data_callback => sub {
273     my ($offset, $rows) = @_;
274 dpavlin 11
275 dpavlin 140 my @result = $index->fetch($field,$limit, $offset, $rows);
276 dpavlin 12 return \@result;
277     },
278     rows => $total,
279     page_size => $ON_PAGE,
280     persist_vars => [
281     'rm',
282     "f$i", "v$i", "f".$i."_index",
283     'offset',
284     ],
285     debug => 1,
286     template => $tmpl,
287     );
288 dpavlin 11
289 dpavlin 147 return in_template($pager->output);
290 dpavlin 9 }
291    
292 dpavlin 7 1;

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