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

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Revision 112 - (hide annotations)
Tue Jul 15 15:07:42 2003 UTC (16 years, 4 months ago) by dpavlin
File size: 5996 byte(s)
fix: dynamicly create perasistent variables

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     use index_DBI;
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    
30    
31 dpavlin 30 Text::Iconv->raise_error(0); # Conversion errors raise exceptions
32 dpavlin 7
33 dpavlin 14 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
34    
35 dpavlin 53
36 dpavlin 7 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 dpavlin 9 # 'user' => 'show_user_detail',
43     'index' => 'show_index',
44 dpavlin 7 );
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 dpavlin 47 my @path_arr = $q->param('path');
78     my $full = $q->param('full');
79    
80 dpavlin 112 my @persist_vars = ( 'rm' );
81    
82 dpavlin 71 for(my $i = 1; $i <=30; $i++) {
83 dpavlin 7
84 dpavlin 9 return show_index($self, $i) if ($q->param("f".$i."_index"));
85 dpavlin 112
86 dpavlin 71 next if (! $q->param("v$i"));
87 dpavlin 9 next if (! $q->param("f$i"));
88 dpavlin 7
89 dpavlin 112 push @persist_vars, "f$i";
90     push @persist_vars, "v$i";
91    
92 dpavlin 7 # re-write query from +/- to and/and not
93 dpavlin 73 my @param_vals = $q->param("v$i");
94     my @swish_q;
95     while (my $search = shift @param_vals) {
96     my $s;
97     # remove accents
98     $search = unac_string($CHARSET,$search);
99     while ($search =~ s/\s*("[^"]+")\s*/ /) {
100     $s .= "$1 ";
101     }
102     $search =~ s/^\s+//;
103     $search =~ s/\s+$//;
104 dpavlin 7
105 dpavlin 73 foreach (split(/\s+/,$search)) {
106     if (m/^([+-])(\S+)/) {
107     $s.= ($s) ? "and " : "";
108     $s.="not " if ($1 eq "-");
109     $s.="$2* ";
110     } elsif (m/(and|or|not)/i) {
111     $s.="$_ ";
112     } else {
113     $s.="$_* ";
114     }
115 dpavlin 7 }
116 dpavlin 73 $s =~ s/\*+/*/g;
117     push @swish_q,$s;
118 dpavlin 7 }
119 dpavlin 73 # FIXME default operator for multi-value fields is or. There is
120     # no way to change it, except here for now. Is there need?
121     push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
122 dpavlin 7 }
123    
124 dpavlin 9 my $tmpl = $self->load_tmpl('results.html');
125    
126 dpavlin 80 sub esc_html {
127     my $html = shift;
128     $html =~ s/</&lt;/g;
129     $html =~ s/>/&gt;/g;
130     return $html;
131     }
132    
133 dpavlin 7 # call swish
134     my $sh = SWISH->connect('Fork',
135     prog => $SWISH,
136     indexes => $INDEX,
137 dpavlin 13 properties => [qw/swishdocpath swishrank swishtitle headline html/],
138 dpavlin 7 results => sub {
139     my ($sh,$hit) = @_;
140    
141     push @swish_results, {
142     nr => ($#swish_results + 2),
143     path => $hit->swishdocpath,
144 dpavlin 80 headline => esc_html($from_utf8->convert($hit->headline)),
145 dpavlin 41 html => back2html($from_utf8->convert($hit->html)),
146 dpavlin 7 rank => $hit->swishrank };
147    
148     },
149     #startnum => 0,
150 dpavlin 47 maxhits => $MAX_HITS
151 dpavlin 7 );
152    
153     die $SWISH::errstr unless $sh;
154 dpavlin 47 # construct swish query
155     my $sw_q = join(" and ",@s_arr);
156 dpavlin 111 if (@path_arr && $q->param('show_full')) {
157 dpavlin 47 $sw_q .= "and (swishdocpath=\"";
158     $sw_q .= join("\" or swishdocpath=\"",@path_arr);
159     $sw_q .= "\")";
160     $tmpl->param('full',1); # show full records
161     }
162 dpavlin 7
163 dpavlin 47 my $hits = $sh->query($sw_q);
164    
165 dpavlin 7 $tmpl->param('hits',$hits);
166 dpavlin 47 $tmpl->param('search',$sw_q);
167 dpavlin 7
168 dpavlin 76 $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
169     $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
170 dpavlin 51
171 dpavlin 7 # create a Pager object
172     my $pager = HTML::Pager->new(
173     # required parameters
174     query => $q,
175     get_data_callback => sub {
176     my ($offset, $rows) = @_;
177    
178     my @result;
179     for (my $i=0; $i<$rows; $i++) {
180     push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
181     }
182     return \@result;
183     },
184     rows => $hits,
185     page_size => $ON_PAGE,
186     # some optional parameters
187 dpavlin 112 persist_vars => [ @persist_vars ],
188 dpavlin 7 #cell_space_color => '#000000',
189     #cell_background_color => '#ffffff',
190     #nav_background_color => '#dddddd',
191     #javascript_presubmit => 'last_minute_javascript()',
192     debug => 1,
193     template => $tmpl,
194     );
195    
196     my $html = $pager->output;
197    
198     return $html;
199     }
200    
201 dpavlin 9 sub show_index {
202     my $self = shift;
203     my $i = shift; # field number
204    
205     my $q = $self->query();
206    
207 dpavlin 11 my $field = $q->param("f$i");
208     my $limit = $q->param("v$i");
209    
210 dpavlin 9 my $html;
211    
212 dpavlin 53 my $index = new index_DBI(
213     $cfg_global->val('global', 'dbi_dbd'),
214     $cfg_global->val('global', 'dbi_dsn'),
215     $cfg_global->val('global', 'dbi_user'),
216     $cfg_global->val('global', 'dbi_passwd') || ''
217     );
218 dpavlin 9
219 dpavlin 12 my $total = $index->check($field);
220     if (! $total) {
221 dpavlin 11 my $tmpl = $self->load_tmpl('no_index.html');
222     $tmpl->param('field',$field);
223     $html = $tmpl->output;
224     return $html;
225     }
226 dpavlin 9
227 dpavlin 12 my $tmpl = $self->load_tmpl('index_res.html');
228     $tmpl->param('field',$field);
229     $tmpl->param('limit',$limit);
230     $tmpl->param('total',$total);
231 dpavlin 11
232 dpavlin 51 # FIXME I should set offset and leave out limit from fetch!!
233 dpavlin 16 # if (! $q->param("PAGER_offset") {
234     # $q->param("Pager_offet)
235     # }
236    
237 dpavlin 12 my $pager = HTML::Pager->new(
238     query => $q,
239     get_data_callback => sub {
240     my ($offset, $rows) = @_;
241 dpavlin 11
242 dpavlin 12 my @result = $index->fetch($field,'item',$limit, $offset, $rows);
243     return \@result;
244     },
245     rows => $total,
246     page_size => $ON_PAGE,
247     persist_vars => [
248     'rm',
249     "f$i", "v$i", "f".$i."_index",
250     'offset',
251     ],
252     debug => 1,
253     template => $tmpl,
254     );
255 dpavlin 11
256 dpavlin 12 return $pager->output;
257 dpavlin 9 }
258    
259 dpavlin 7 1;

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