/[webpac2]/trunk/vhost/webpac2.cgi
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Annotation of /trunk/vhost/webpac2.cgi

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Revision 1138 - (hide annotations)
Wed Apr 22 10:14:56 2009 UTC (15 years ago) by dpavlin
File size: 4238 byte(s)
 r1784@llin:  dpavlin | 2009-04-22 12:14:51 +0200
 implement pager using Data::Page

1 dpavlin 1132 #!/usr/bin/perl
2    
3     use warnings;
4     use strict;
5    
6     use CGI qw/:standard/;
7     use CGI::Carp qw/fatalsToBrowser/;
8     use File::Slurp;
9     use YAML;
10     use Search::Estraier;
11 dpavlin 1138 use Data::Page;
12     use Data::Dump qw/dump/;
13 dpavlin 1132
14 dpavlin 1138 my $range_around = 5;
15     my $entries_per_page = 30;
16    
17 dpavlin 1132 print header;
18    
19     sub dump_yaml {
20 dpavlin 1135 my $name = shift;
21     print qq|<pre># $name\n|, YAML::Dump( @_ ), qq|</pre>|;
22 dpavlin 1132 }
23    
24 dpavlin 1138 sub show_pages {
25     my ($pager,$coderef) = @_;
26    
27     my @show_pages;
28     my $after_current = 0;
29    
30     if ( $pager->current_page <= $range_around + 2 ) {
31     @show_pages = ( $pager->first_page .. $pager->current_page );
32     $after_current = $range_around - $pager->current_page;
33     } else {
34     @show_pages = ( $pager->first_page, '', $pager->current_page - $range_around .. $pager->current_page );
35     }
36    
37     if ( $pager->current_page + $range_around + 1 >= $pager->last_page ) {
38     push @show_pages, ( $pager->current_page + 1 .. $pager->last_page );
39     } else {
40     push @show_pages, ( $pager->current_page + 1 .. $pager->current_page + $after_current + $range_around, '', $pager->last_page );
41     }
42    
43     warn "## show_pages = ",dump( @show_pages );
44    
45     return join( ' ', map {
46     if ( $_ == $pager->current_page ) {
47     qq|<b>$_</b>|;
48     } elsif ( $_ eq '' ) {
49     qq|...|;
50     } else {
51     $coderef->( $_ );
52     }
53     } @show_pages );
54     }
55    
56 dpavlin 1137 my $path = $ENV{PATH_INFO} || 'ecas';
57 dpavlin 1132 my $dir = $0;
58     $dir =~ s{/[^/]+.cgi}{};
59    
60     my $config = YAML::LoadFile( "$dir/$path/config.yml" );
61    
62     my $database = (keys %{ $config->{databases} })[0];
63     die "$database not in $path" unless $path =~ m{\Q$database\E};
64    
65 dpavlin 1137 my $html_markup = "$dir/$path/html.pm";
66     my $html_markup_skip;
67     if ( -e $html_markup ) {
68     require $html_markup;
69     $html_markup = $database . '::html';
70     } else {
71     undef $html_markup;
72     }
73    
74 dpavlin 1132 my $estraier = YAML::LoadFile( "$dir/../var/estraier/$database.yaml" );
75    
76     my $db = $config->{databases}->{$database};
77    
78     my @attr = keys %{ $estraier->{attr} }; # FIXME replace with real gnerated lookup
79    
80     print
81     start_html(
82     -title => $db->{name},
83     -style => '../../style.css',
84     ),
85     h1( $db->{name} ),
86     qq|<div id=description>|, $db->{description}, qq|</div>|,
87     start_form,
88     radio_group(
89     -name => 'attr',
90 dpavlin 1133 -values => [ @attr ],
91 dpavlin 1132 # -linebreak => 0,
92     ),
93     textfield( -name => 'search' ),
94 dpavlin 1138 submit,
95     textfield( -name => 'entries_per_page', -default => $entries_per_page ),
96     textfield( -name => 'current_page', -default => 1 ),
97 dpavlin 1132 ;
98    
99     print end_form;
100    
101     if ( my $search = param('search') ) {
102    
103 dpavlin 1135 print qq|<div id="results">|;
104 dpavlin 1132
105     my $node = Search::Estraier::Node->new(
106     url => $config->{hyperestraier}->{masterurl} . '/node/' . $database,
107     croak_on_error => 1,
108     );
109    
110 dpavlin 1138 param( 'entries_per_page', $entries_per_page ) unless param('entries_per_page'); # FIXME not needed?
111    
112 dpavlin 1132 my $cond = Search::Estraier::Condition->new;
113     $cond->set_phrase( $search );
114 dpavlin 1138 $cond->set_skip( param('current_page') );
115     $cond->set_max( param('entries_per_page') );
116 dpavlin 1132 my $nres = $node->search( $cond, 0 );
117    
118 dpavlin 1138 my $pager = Data::Page->new( $nres->hits, param('entries_per_page'), param('current_page') );
119    
120 dpavlin 1132 if ( ! $nres ) {
121     my $no_results = "No results for search '%s'";
122 dpavlin 1135 printf qq|<div class="error">$no_results</div>|, $search;
123 dpavlin 1132 } else {
124 dpavlin 1138
125 dpavlin 1135 my $results = "Got %d results for search '%s'";
126     printf qq|<div class="message">$results</div>|, $nres->hits, $search;
127    
128 dpavlin 1138 print
129     qq|<div class=pager>|,
130     show_pages( $pager,
131     sub {
132     my ($page) = @_;
133     param( 'current_page', $page );
134     my $url = self_url( -query => 1 );
135     qq|<a href="$url">$_</a>|;
136     }
137     ),
138     qq|</div>|
139     ;
140 dpavlin 1135
141 dpavlin 1138 my $start = $pager->first;
142     print qq|<ol start=$start>|;
143    
144 dpavlin 1132 foreach my $i ( 1 .. $nres->doc_num ) {
145     my $rdoc = $nres->get_doc( $i - 1 );
146     print qq|<li>|;
147 dpavlin 1137 foreach my $attr ( @attr ) {
148     my $v = $rdoc->attr( $attr );
149     if ( defined $v && $html_markup && ! $html_markup_skip->{$attr} ) {
150     eval "\$v = $html_markup->$attr( \$v );";
151     if ( $@ ) {
152     warn "disable html markup for $attr: $@";
153     $html_markup_skip->{$attr} = $@;
154     }
155     }
156     next unless defined $v;
157     print qq|<div><label>$attr</label><span class=$attr>$v</span></div>\n|;
158     }
159 dpavlin 1132 print qq|</li>\n|;
160     }
161 dpavlin 1135 print qq|</ol>|;
162 dpavlin 1132 }
163     print qq|</div>|;
164 dpavlin 1138
165     dump_yaml( 'pager', $pager );
166    
167 dpavlin 1132 }
168    
169 dpavlin 1135 dump_yaml( 'estraier', $estraier );
170     dump_yaml( 'db', $db );
171 dpavlin 1137 dump_yaml( 'html_markup_skip', $html_markup_skip );
172 dpavlin 1132
173     print end_html;

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