--- loncom/interface/lonsearchcat.pm 2004/07/19 16:38:07 1.231 +++ loncom/interface/lonsearchcat.pm 2005/02/02 21:08:23 1.236 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Search Catalog # -# $Id: lonsearchcat.pm,v 1.231 2004/07/19 16:38:07 raeburn Exp $ +# $Id: lonsearchcat.pm,v 1.236 2005/02/02 21:08:23 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -449,12 +449,22 @@ 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) { @@ -471,16 +481,18 @@ sub course_search { $bodytag.'
'.$pretty_search_string.'
'.&mt('Course content').':
'); $r->rflush(); # ======================================================= Go through the course - undef %alreadyseen; - %alreadyseen=(); my $c=$r->connection; if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", &GDBM_READER(),0640)) { - foreach (keys %hash) { + foreach (sort(keys(%hash))) { if ($c->aborted()) { last; } - if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { - &checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext, - @allwords); + 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); } } untie(%hash); @@ -570,15 +582,22 @@ sub course_search { # =============================== This pulls up a resource and its dependencies sub checkonthis { - my ($r,$url,$level,$title,$fulltext,@allwords)=@_; - $alreadyseen{$url}=1; + my ($r,$id,$url,$level,$title,$fulltext,$symb,@allwords)=@_; + $alreadyseen{$id}=1; + if (&Apache::loncommon::connection_aborted($r)) { return; } $r->rflush(); - 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); + + 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)); } $result=~s/\s+/ /gs; my $applies = 0; @@ -589,8 +608,15 @@ sub checkonthis { for (my $i=0;$i<=$level*5;$i++) { $r->print(' '); } - $r->print(''. - ($title?$title:$url).'
'); + 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). + '
'); $totalfound++; } elsif ($fulltext) { $r->print(' .'); @@ -599,9 +625,9 @@ sub checkonthis { # Check also the dependencies of this one my $dependencies= &Apache::lonnet::metadata($url,'dependencies'); - foreach (split(/\,/,$dependencies)) { - if (($_=~/^\/res\//) && (!$alreadyseen{$_})) { - &checkonthis($r,$_,$level+1,'',$fulltext,@allwords); + foreach (split(/\,/,$dependencies) && (!$alreadyseen{$id})) { + if (($_=~/^\/res\//)) { + &checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords); } } } @@ -659,18 +685,18 @@ sub print_basic_search_form { my $scrout = &search_html_header().$bodytag; if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { # Define interface components - my $userelatedwords= + my $userelatedwords= ''; + my $onlysearchdomain=''; my $adv_search_link = '

@@ -2633,10 +2659,74 @@ sub display_results { &hidden_field('persistent_db_id'). &hidden_field('start') ); + # + # Build sorting selector + my @field_order = ('default', + 'title', + 'author', + 'subject', + 'url', + 'keywords', + 'version', + 'language', + 'creationdate'=>, + 'lastrevisiondate', + 'owner', + 'copyright', + 'authorspace', + 'lowestgradeleve', + 'highestgradelevel', + 'standards', + 'count', + 'stdno', + 'avetries', + 'difficulty', + 'disc', + 'clear', + 'technical', + 'correct', + 'helpful', + 'depth', + ); + my %sort_fields = ('default' => 'Default', + 'title' => 'Title', + 'author' => 'Author', + 'subject' => 'Subject', + 'url' => 'URL', + 'keywords' => 'Keywords', + 'version' => 'Version', + 'language' => 'Language', + 'creationdate'=> 'Creation Date', + 'lastrevisiondate' => 'Last Revision Date', + 'owner' => 'Owner', + 'copyright' => 'Copyright', + 'authorspace' => 'Authorspace', + 'lowestgradeleve' => 'Lowest Grade Level', + 'highestgradelevel' => 'Highest Grade Level', + 'standards' => 'Standards', + 'count' => 'Number of Accesses', + 'stdno' => 'Students Attempting', + 'avetries' => 'Average Number of Tries', + 'difficulty' => 'Mean Degree of Difficulty', + 'disc' => 'Mean Degree of Discrimination', + 'clear' => 'Evaluation: Clear', + 'technical' => 'Evaluation: Technically Correct', + 'correct' => 'Evaluation: Material is Correct', + 'helpful' => 'Evaluation: Material is Helpful', + 'depth' => 'Evaluation: Material has Depth', + 'select_form_order' => \@field_order, + ); + + my $sortform = &mt('Sort by [_1]', + &Apache::loncommon::select_form($ENV{'form.sortfield'}, + 'sortfield', + %sort_fields)); ## ## Output links (if necessary) for 'prev' and 'next' pages. $r->print - ('
'. + ('
'. + $sortform. + ''. &prev_next_buttons($min,$ENV{'form.show'},$total_results). ''. &viewoptions().'
' @@ -2647,13 +2737,21 @@ sub display_results { ""); return; } else { - $r->print - ("
Results $min to $max out of $total_results
\n"); + $r->print('
'. + mt('Results [_1] to [_2] out of [_3]', + $min,$max,$total_results). + "
\n"); } ## ## Get results from MySQL table - my @Results = &Apache::lonmysql::get_rows($table, - 'id>='.$min.' AND id<='.$max); + my $sort_command = 'id>='.$min.' AND id<='.$max; + if ($ENV{'form.sortfield'} ne 'default' && + exists($sort_fields{$ENV{'form.sortfield'}})) { + $sort_command = $ENV{'form.sortfield'}.' IS NOT NULL '. + 'ORDER BY '.$ENV{'form.sortfield'}. + ' LIMIT '.($min-1).','.($max-$min); + } + my @Results = &Apache::lonmysql::get_rows($table,$sort_command); ## ## Loop through the results and output them. foreach my $row (@Results) {