/[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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Contents of /trunk/WebPac.pm

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Revision 9 - (show annotations)
Sat Jan 11 19:55:30 2003 UTC (16 years, 11 months ago) by dpavlin
File size: 3666 byte(s)
renamed "old" index to swish, and introduced index which is -- index;
implemented using PostgreSQL for now.

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 Unicode::String qw(utf8 utf16);
10 require Unicode::Map8;
11 use DBI;
12
13 # configuration options
14 # FIX: they really should go in configuration file!
15 my $TEMPLATE_PATH = '/data/webpac/template_html';
16 my $CHARSET = 'ISO-8859-2';
17 my $SWISH = '/data/swish/swish-e';
18 my $INDEX = '/data/webpac/index/isis.index';
19 my $MAX_HITS = 500;
20 my $ON_PAGE = 10;
21
22
23 sub setup {
24 my $self = shift;
25 $self->tmpl_path($TEMPLATE_PATH);
26 $self->run_modes(
27 'search' => 'show_search_form',
28 'results' => 'show_results_list',
29 # 'user' => 'show_user_detail',
30 'index' => 'show_index',
31 );
32 $self->start_mode('search');
33 $self->mode_param('rm');
34
35 $self->header_props(-charset=>$CHARSET);
36 }
37
38 sub show_search_form {
39 my $self = shift;
40
41 # Get the CGI.pm query object
42 my $q = $self->query();
43
44 my $tmpl = $self->load_tmpl('search.html');
45 my $html = $tmpl->output;
46
47 my $fif = new HTML::FillInForm;
48
49 return $fif->fill(scalarref => \$html, fobject => $q,
50 target => 'search');
51 }
52
53 sub show_results_list {
54 my $self = shift;
55
56 my $q = $self->query();
57
58 my @swish_results; # results from swish
59
60 # load template for this page
61
62 my @s_arr; # all queries are located here
63
64 for(my $i = 1; $i <=10; $i++) {
65
66 return show_index($self, $i) if ($q->param("f".$i."_index"));
67 next if (! $q->param("f$i"));
68 next if (! $q->param("v$i"));
69
70 # re-write query from +/- to and/and not
71 my $s;
72 my $search = $q->param("v$i");
73 while ($search =~ s/\s*("[^"]+")\s*/ /) {
74 $s .= "$1 ";
75 }
76 $search =~ s/^\s+//;
77 $search =~ s/\s+$//;
78
79 foreach (split(/\s+/,$search)) {
80 if (m/^([+-])(\S+)/) {
81 $s.= ($s) ? "and " : "";
82 $s.="not " if ($1 eq "-");
83 $s.="$2* ";
84 } else {
85 $s.="$_* ";
86 }
87 }
88
89 push @s_arr,$q->param("f$i")."_swish=($s)";
90 }
91
92 my $tmpl = $self->load_tmpl('results.html');
93
94 my $l2_map = Unicode::Map8->new($CHARSET) || die;
95 my $us = Unicode::String->new();
96
97 # call swish
98 my $sh = SWISH->connect('Fork',
99 prog => $SWISH,
100 indexes => $INDEX,
101 #properties => [qw/god br nr/],
102 results => sub {
103 my ($sh,$hit) = @_;
104
105 $us->utf8($hit->swishtitle);
106
107 push @swish_results, {
108 nr => ($#swish_results + 2),
109 path => $hit->swishdocpath,
110 title => $l2_map->to8($us->utf16),
111 rank => $hit->swishrank };
112
113 # my @fields = $hit->field_names;
114 # print "Field '$_' = '", $hit->$_, "'<br>\n" for sort @fields;
115 },
116 #startnum => 0,
117 maxhits => $MAX_HITS,
118 );
119
120 die $SWISH::errstr unless $sh;
121
122 my $hits = $sh->query(join(" and ",@s_arr)) || 0; # FIX: and/or
123
124 $tmpl->param('hits',$hits);
125 $tmpl->param('search',join(" and ",@s_arr));
126
127 # create a Pager object
128 my $pager = HTML::Pager->new(
129 # required parameters
130 query => $q,
131 get_data_callback => sub {
132 my ($offset, $rows) = @_;
133
134 my @result;
135 for (my $i=0; $i<$rows; $i++) {
136 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
137 }
138 return \@result;
139 },
140 rows => $hits,
141 page_size => $ON_PAGE,
142 # some optional parameters
143 persist_vars => [
144 'rm',
145 'f1', 'v1',
146 'f2', 'v2',
147 'f3', 'v3',
148 'f4', 'v4',
149 'f5', 'v5',
150 'f6', 'v6',
151 'f7', 'v7',
152 'f8', 'v8',
153 'f9', 'v9',
154 ],
155 #cell_space_color => '#000000',
156 #cell_background_color => '#ffffff',
157 #nav_background_color => '#dddddd',
158 #javascript_presubmit => 'last_minute_javascript()',
159 debug => 1,
160 template => $tmpl,
161 );
162
163 my $html = $pager->output;
164
165 return $html;
166 }
167
168 sub show_index {
169 my $self = shift;
170 my $i = shift; # field number
171
172 my $q = $self->query();
173
174 my $html;
175
176 $html .= "show index of ".$q->param("f$i")." for ".$q->param("v$i");
177
178
179 return $html;
180 }
181
182 1;

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