search: Converted to use xapian-omega.

[ikiwiki.git] / IkiWiki / Plugin / search.pm

diff --git a/IkiWiki/Plugin/search.pm b/IkiWiki/Plugin/search.pm
index 1b5c66716f90faaff3fd36d26d909cce5d1710d7..e705d018af908d73b36269dd0894b350a31b90a2 100644 (file)
--- a/IkiWiki/Plugin/search.pm
+++ b/IkiWiki/Plugin/search.pm
@@ -1,39 +1,38 @@
 #!/usr/bin/perl
-# hyperestraier search engine plugin
+# xapian-omega search engine plugin
 package IkiWiki::Plugin::search;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 sub import { #{{{
-       hook(type => "getopt", id => "hyperestraier",
-               call => \&getopt);
-       hook(type => "checkconfig", id => "hyperestraier",
-               call => \&checkconfig);
-       hook(type => "pagetemplate", id => "hyperestraier",
-               call => \&pagetemplate);
-       hook(type => "delete", id => "hyperestraier",
-               call => \&delete);
-       hook(type => "change", id => "hyperestraier",
-               call => \&change);
-       hook(type => "cgi", id => "hyperestraier",
-               call => \&cgi);
+       hook(type => "checkconfig", id => "search", call => \&checkconfig);
+       hook(type => "pagetemplate", id => "search", call => \&pagetemplate);
+       hook(type => "delete", id => "search", call => \&delete);
+       hook(type => "change", id => "search", call => \&change);
+       hook(type => "cgi", id => "search", call => \&cgi);
 } # }}}
 
-sub getopt () { #{{{
-        eval q{use Getopt::Long};
-       error($@) if $@;
-        Getopt::Long::Configure('pass_through');
-        GetOptions("estseek=s" => \$config{estseek});
-} #}}}
-
 sub checkconfig () { #{{{
        foreach my $required (qw(url cgiurl)) {
                if (! length $config{$required}) {
                        error(sprintf(gettext("Must specify %s when using the search plugin"), $required));
                }
        }
+
+       if (! exists $config{omega_cgi}) {
+               $config{omega_cgi}="/usr/lib/cgi-bin/omega/omega";
+       }
+       
+       if (! -e $config{wikistatedir}."/xapian" || $config{rebuild}) {
+               writefile("omega.conf", $config{wikistatedir}."/xapian",
+                       "database_dir .\n".
+                       "template_dir ./templates\n");
+               writefile("query", $config{wikistatedir}."/xapian/templates",
+                       IkiWiki::misctemplate(gettext("search"),
+                               readfile(IkiWiki::template_file("searchquery.tmpl"))));
+       }
 } #}}}
 
 my $form;
@@ -55,84 +54,22 @@ sub pagetemplate (@) { #{{{
 } #}}}
 
 sub delete (@) { #{{{
-       debug(gettext("cleaning hyperestraier search index"));
-       estcmd("purge -cl");
-       estcfg();
+       debug(gettext("cleaning xapian search index"));
 } #}}}
 
 sub change (@) { #{{{
-       debug(gettext("updating hyperestraier search index"));
-       estcmd("gather -cm -bc -cl -sd",
-               map {
-                       Encode::encode_utf8($config{destdir}."/".$_)
-                               foreach @{$renderedfiles{pagename($_)}};
-               } @_
-       );
-       estcfg();
+       debug(gettext("updating xapian search index"));
 } #}}}
 
 sub cgi ($) { #{{{
        my $cgi=shift;
 
-       if (defined $cgi->param('phrase') || defined $cgi->param("navi")) {
+       if (defined $cgi->param('P')) {
                # only works for GET requests
-               chdir("$config{wikistatedir}/hyperestraier") || error("chdir: $!");
-               exec("./".IkiWiki::basename($config{cgiurl})) || error("estseek.cgi failed");
-       }
-} #}}}
-
-my $configured=0;
-sub estcfg () { #{{{
-       return if $configured;
-       $configured=1;
-       
-       my $estdir="$config{wikistatedir}/hyperestraier";
-       my $cgi=IkiWiki::basename($config{cgiurl});
-       $cgi=~s/\..*$//;
-       open(TEMPLATE, ">:utf8", "$estdir/$cgi.tmpl") ||
-               error("write $estdir/$cgi.tmpl: $!");
-       print TEMPLATE IkiWiki::misctemplate("search", 
-               "<!--ESTFORM-->\n\n<!--ESTRESULT-->\n\n<!--ESTINFO-->\n\n",
-               baseurl => IkiWiki::dirname($config{cgiurl})."/");
-       close TEMPLATE;
-       open(TEMPLATE, ">$estdir/$cgi.conf") ||
-               error("write $estdir/$cgi.conf: $!");
-       my $template=template("estseek.conf");
-       eval q{use Cwd 'abs_path'};
-       $template->param(
-               index => $estdir,
-               tmplfile => "$estdir/$cgi.tmpl",
-               destdir => abs_path($config{destdir}),
-               url => $config{url},
-       );
-       print TEMPLATE $template->output;
-       close TEMPLATE;
-       $cgi="$estdir/".IkiWiki::basename($config{cgiurl});
-       unlink($cgi);
-       my $estseek = defined $config{estseek} ? $config{estseek} : '/usr/lib/estraier/estseek.cgi';
-       symlink($estseek, $cgi) ||
-               error("symlink $estseek $cgi: $!");
-} # }}}
-
-sub estcmd ($;@) { #{{{
-       my @params=split(' ', shift);
-       push @params, "-cl", "$config{wikistatedir}/hyperestraier";
-       if (@_) {
-               push @params, "-";
-       }
-       
-       my $pid=open(CHILD, "|-");
-       if ($pid) {
-               # parent
-               foreach (@_) {
-                       print CHILD "$_\n";
-               }
-               close(CHILD) || error("estcmd @params exited nonzero: $?");
-       }
-       else {
-               # child
-               open(STDOUT, "/dev/null"); # shut it up (closing won't work)
-               exec("estcmd", @params) || error("can't run estcmd");
+               chdir("$config{wikistatedir}/xapian") || error("chdir: $!");
+               $ENV{OMEGA_CONFIG_FILE}="./omega.conf";
+               $ENV{CGIURL}=$config{cgiurl},
+               exec($config{omega_cgi}) || error("$config{omega_cgi} failed: $!");
        }
 } #}}}