--- loncom/interface/lonsearchcat.pm 2005/02/02 22:03:27 1.230.2.3 +++ loncom/interface/lonsearchcat.pm 2004/07/19 16:38:07 1.231 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Search Catalog # -# $Id: lonsearchcat.pm,v 1.230.2.3 2005/02/02 22:03:27 albertel Exp $ +# $Id: lonsearchcat.pm,v 1.231 2004/07/19 16:38:07 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -76,6 +76,7 @@ use Apache::lonlocal; use LONCAPA::lonmetadata(); use HTML::Entities(); use Parse::RecDescent; +use Apache::lonnavmaps; ###################################################################### ###################################################################### @@ -448,22 +449,12 @@ my %alreadyseen; my %hash; my $totalfound; -sub make_symb { - my ($id)=@_; - my ($mapid,$resid)=split(/\./,$id); - my $map=$hash{'map_id_'.$mapid}; - my $res=$hash{'src_'.$id}; - my $symb=&Apache::lonnet::encode_symb($map,$resid,$res); - return $symb; -} - sub course_search { my $r=shift; my $bodytag=&Apache::loncommon::bodytag('Course Search'); my $pretty_search_string = ''.$ENV{'form.courseexp'}.''; my $search_string = $ENV{'form.courseexp'}; my @New_Words; - undef(%alreadyseen); if ($ENV{'form.crsrelated'}) { ($search_string,@New_Words) = &related_version($ENV{'form.courseexp'}); if (@New_Words) { @@ -473,31 +464,105 @@ sub course_search { } } my $fulltext=$ENV{'form.crsfulltext'}; + my $discuss=$ENV{'form.crsdiscuss'}; my @allwords=($search_string,@New_Words); $totalfound=0; $r->print('LON-CAPA Course Search'. - $bodytag.'
'.$pretty_search_string.'

'); + $bodytag.'
'.$pretty_search_string.'

'.&mt('Course content').':
'); $r->rflush(); # ======================================================= Go through the course + undef %alreadyseen; + %alreadyseen=(); my $c=$r->connection; if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", &GDBM_READER(),0640)) { - foreach (sort(keys(%hash))) { + foreach (keys %hash) { if ($c->aborted()) { last; } - if (($_=~/^src\_(.+)$/)) { - if ($hash{'randomout_'.$1} & !$ENV{'request.role.adv'}) { - next; - } - my $symb=&make_symb($1); - &checkonthis($r,$1,$hash{$_},0,&Apache::lonnet::gettitle($symb), - $fulltext,$symb,@allwords); + if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { + &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext, + @allwords); } } untie(%hash); } unless ($totalfound) { - $r->print('

'.&mt('No resources found').'.

'); + $r->print('

'.&mt('No matches found in resources').'.

'); } + +# Check discussions if requested + if ($discuss) { + my $totaldiscussions = 0; + $r->print('

'.&mt('Discussion postings').':
'); + my $navmap = Apache::lonnavmaps::navmap->new(); + my @allres=$navmap->retrieveResources(); + my %discussiontime = &Apache::lonnet::dump('discussiontimes', + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + foreach my $resource (@allres) { + my $result = ''; + my $applies = 0; + my $symb = $resource->symb(); + my $ressymb = $symb; + if ($symb =~ m#(___adm/\w+/\w+)/(\d+)/bulletinboard$#) { + $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard'; + unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) { + $ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#; + } + } + if (defined($discussiontime{$ressymb})) { + my %contrib = &Apache::lonnet::restore($ressymb,$ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + if ($contrib{'version'}) { + for (my $id=1;$id<=$contrib{'version'};$id++) { + unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) { + if ($contrib{$id.':subject'}) { + $result .= $contrib{$id.':subject'}; + } + if ($contrib{$id.':message'}) { + $result .= $contrib{$id.':message'}; + } + if ($contrib{$id,':attachmenturl'}) { + if ($contrib{$id,':attachmenturl'} =~ m-/([^/]+)$-) { + $result .= $1; + } + } + $applies = &checkwords($result,$applies,@allwords); + } + } + } + } +# Does this discussion apply? + if ($applies) { + my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ressymb); + my $disctype = &mt('resource'); + if ($url =~ m#/bulletinboard$#) { + if ($url =~m#^adm/wrapper/adm/.*/bulletinboard$#) { + $url =~s#^adm/wrapper##; + } + $disctype = &mt('bulletin board'); + } else { + $url = '/res/'.$url; + } + if ($url =~ /\?/) { + $url .= '&symb='; + } else { + $url .= '?symb='; + } + $url .= &Apache::lonnet::escape($resource->symb()); + my $title = $resource->compTitle(); + $r->print('
'. + ($title?$title:$url).'  - '.$disctype.'
'); + $totaldiscussions++; + } else { + $r->print(' .'); + } + } + unless ($totaldiscussions) { + $r->print('

'.&mt('No matches found in postings').'.

'); + } + } + # =================================================== Done going through course $r->print(''); } @@ -505,47 +570,27 @@ sub course_search { # =============================== This pulls up a resource and its dependencies sub checkonthis { - my ($r,$id,$url,$level,$title,$fulltext,$symb,@allwords)=@_; - $alreadyseen{$id}=1; - if (&Apache::loncommon::connection_aborted($r)) { return; } + my ($r,$url,$level,$title,$fulltext,@allwords)=@_; + $alreadyseen{$url}=1; $r->rflush(); - - my $result=$title.' '; - if ($ENV{'request.role.adv'} || !$hash{'encrypted_'.$id}) { - $result.=&Apache::lonnet::metadata($url,'title').' '. - &Apache::lonnet::metadata($url,'subject').' '. - &Apache::lonnet::metadata($url,'abstract').' '. - &Apache::lonnet::metadata($url,'keywords'); - } - my ($extension)=($url=~/\.(\w+)$/); - if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' && - ($url) && ($fulltext)) { - $result.=&Apache::lonnet::ssi_body($url.'?symb='.&Apache::lonnet::escape($symb)); + my $result=&Apache::lonnet::metadata($url,'title').' '. + &Apache::lonnet::metadata($url,'subject').' '. + &Apache::lonnet::metadata($url,'abstract').' '. + &Apache::lonnet::metadata($url,'keywords'); + if (($url) && ($fulltext)) { + $result.=&Apache::lonnet::ssi_body($url); } $result=~s/\s+/ /gs; - my $applies=0; - foreach (@allwords) { - if ($_=~/\w/) { - if ($result=~/$_/si) { - $applies++; - } - } - } + my $applies = 0; + $applies = &checkwords($result,$applies,@allwords); # Does this resource apply? if ($applies) { $r->print('
'); for (my $i=0;$i<=$level*5;$i++) { $r->print(' '); } - my $href=$url; - if ($hash{'encrypted_'.$id} && !$ENV{'request.role.adv'}) { - $href=&Apache::lonenc::encrypted($href) - .'?symb='.&Apache::lonenc::encrypted($symb); - } else { - $href.='?symb='.&Apache::lonnet::escape($symb); - } - $r->print(''.($title?$title:$url). - '
'); + $r->print(''. + ($title?$title:$url).'
'); $totalfound++; } elsif ($fulltext) { $r->print(' .'); @@ -555,12 +600,24 @@ sub checkonthis { my $dependencies= &Apache::lonnet::metadata($url,'dependencies'); foreach (split(/\,/,$dependencies)) { - if (($_=~/^\/res\//) && (!$alreadyseen{$id})) { - &checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords); + if (($_=~/^\/res\//) && (!$alreadyseen{$_})) { + &checkonthis($r,$_,$level+1,'',$fulltext,@allwords); } } } +sub checkwords { + my ($result,$applies,@allwords) = @_; + foreach (@allwords) { + if ($_=~/\w/) { + if ($result=~/$_/si) { + $applies++; + } + } + } + return $applies; +} + sub untiehash { if (tied(%hash)) { untie(%hash); @@ -664,7 +721,8 @@ sub print_basic_search_form { 'header' => 'Course Search', 'note' => 'Enter terms or phrases, then press "Search" below', 'use' => 'use related words', - 'full' =>'fulltext search (time consuming)' + 'full' =>'fulltext search (time consuming)', + 'disc' => 'search discussion postings (resources and bulletin boards)', ); $scrout.=(< @@ -689,10 +747,14 @@ ENDCOURSESEARCH my $relcheckbox = &Apache::lonhtmlcommon::checkbox('crsrelated', $ENV{'form.crsrelated'}); + my $discheckbox = + &Apache::lonhtmlcommon::checkbox('crsdiscuss', + $ENV{'form.crsrelated'}); $scrout.=(< $relcheckbox $lt{'use'} $crscheckbox $lt{'full'} +$discheckbox $lt{'disc'}