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

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Revision 76 - (hide annotations)
Sat Jul 5 23:07:47 2003 UTC (16 years, 4 months ago) by dpavlin
File size: 5899 byte(s)
move configuration options in global.conf

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 71 for(my $i = 1; $i <=30; $i++) {
81 dpavlin 7
82 dpavlin 9 return show_index($self, $i) if ($q->param("f".$i."_index"));
83 dpavlin 71 next if (! $q->param("v$i"));
84 dpavlin 9 next if (! $q->param("f$i"));
85 dpavlin 7
86     # re-write query from +/- to and/and not
87 dpavlin 73 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 dpavlin 7
99 dpavlin 73 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 dpavlin 7 }
110 dpavlin 73 $s =~ s/\*+/*/g;
111     push @swish_q,$s;
112 dpavlin 7 }
113 dpavlin 73 # 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 dpavlin 7 }
117    
118 dpavlin 9 my $tmpl = $self->load_tmpl('results.html');
119    
120 dpavlin 7 # call swish
121     my $sh = SWISH->connect('Fork',
122     prog => $SWISH,
123     indexes => $INDEX,
124 dpavlin 13 properties => [qw/swishdocpath swishrank swishtitle headline html/],
125 dpavlin 7 results => sub {
126     my ($sh,$hit) = @_;
127    
128     push @swish_results, {
129     nr => ($#swish_results + 2),
130     path => $hit->swishdocpath,
131 dpavlin 41 headline => $from_utf8->convert($hit->headline),
132     html => back2html($from_utf8->convert($hit->html)),
133 dpavlin 7 rank => $hit->swishrank };
134    
135     },
136     #startnum => 0,
137 dpavlin 47 maxhits => $MAX_HITS
138 dpavlin 7 );
139    
140     die $SWISH::errstr unless $sh;
141 dpavlin 47 # construct swish query
142     my $sw_q = join(" and ",@s_arr);
143     if (@path_arr) {
144     $sw_q .= "and (swishdocpath=\"";
145     $sw_q .= join("\" or swishdocpath=\"",@path_arr);
146     $sw_q .= "\")";
147     $tmpl->param('full',1); # show full records
148     }
149 dpavlin 7
150 dpavlin 47 my $hits = $sh->query($sw_q);
151    
152 dpavlin 7 $tmpl->param('hits',$hits);
153 dpavlin 47 $tmpl->param('search',$sw_q);
154 dpavlin 7
155 dpavlin 76 $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
156     $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
157 dpavlin 51
158 dpavlin 7 # create a Pager object
159     my $pager = HTML::Pager->new(
160     # required parameters
161     query => $q,
162     get_data_callback => sub {
163     my ($offset, $rows) = @_;
164    
165     my @result;
166     for (my $i=0; $i<$rows; $i++) {
167     push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
168     }
169     return \@result;
170     },
171     rows => $hits,
172     page_size => $ON_PAGE,
173     # some optional parameters
174     persist_vars => [
175     'rm',
176     'f1', 'v1',
177     'f2', 'v2',
178     'f3', 'v3',
179     'f4', 'v4',
180     'f5', 'v5',
181     'f6', 'v6',
182     'f7', 'v7',
183     'f8', 'v8',
184     'f9', 'v9',
185     ],
186     #cell_space_color => '#000000',
187     #cell_background_color => '#ffffff',
188     #nav_background_color => '#dddddd',
189     #javascript_presubmit => 'last_minute_javascript()',
190     debug => 1,
191     template => $tmpl,
192     );
193    
194     my $html = $pager->output;
195    
196     return $html;
197     }
198    
199 dpavlin 9 sub show_index {
200     my $self = shift;
201     my $i = shift; # field number
202    
203     my $q = $self->query();
204    
205 dpavlin 11 my $field = $q->param("f$i");
206     my $limit = $q->param("v$i");
207    
208 dpavlin 9 my $html;
209    
210 dpavlin 53 my $index = new index_DBI(
211     $cfg_global->val('global', 'dbi_dbd'),
212     $cfg_global->val('global', 'dbi_dsn'),
213     $cfg_global->val('global', 'dbi_user'),
214     $cfg_global->val('global', 'dbi_passwd') || ''
215     );
216 dpavlin 9
217 dpavlin 12 my $total = $index->check($field);
218     if (! $total) {
219 dpavlin 11 my $tmpl = $self->load_tmpl('no_index.html');
220     $tmpl->param('field',$field);
221     $html = $tmpl->output;
222     return $html;
223     }
224 dpavlin 9
225 dpavlin 12 my $tmpl = $self->load_tmpl('index_res.html');
226     $tmpl->param('field',$field);
227     $tmpl->param('limit',$limit);
228     $tmpl->param('total',$total);
229 dpavlin 11
230 dpavlin 51 # FIXME I should set offset and leave out limit from fetch!!
231 dpavlin 16 # if (! $q->param("PAGER_offset") {
232     # $q->param("Pager_offet)
233     # }
234    
235 dpavlin 12 my $pager = HTML::Pager->new(
236     query => $q,
237     get_data_callback => sub {
238     my ($offset, $rows) = @_;
239 dpavlin 11
240 dpavlin 12 my @result = $index->fetch($field,'item',$limit, $offset, $rows);
241     return \@result;
242     },
243     rows => $total,
244     page_size => $ON_PAGE,
245     persist_vars => [
246     'rm',
247     "f$i", "v$i", "f".$i."_index",
248     'offset',
249     ],
250     debug => 1,
251     template => $tmpl,
252     );
253 dpavlin 11
254 dpavlin 12 return $pager->output;
255 dpavlin 9 }
256    
257 dpavlin 7 1;

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