--- loncom/interface/lonsearchcat.pm 2004/01/02 16:34:03 1.201 +++ loncom/interface/lonsearchcat.pm 2009/02/26 16:17:30 1.305 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Search Catalog # -# $Id: lonsearchcat.pm,v 1.201 2004/01/02 16:34:03 www Exp $ +# $Id: lonsearchcat.pm,v 1.305 2009/02/26 16:17:30 schafran Exp $ # # Copyright Michigan State University Board of Trustees # @@ -48,7 +48,7 @@ described at http://www.lon-capa.org. lonsearchcat presents the user with an interface to search the LON-CAPA digital library. lonsearchcat also initiates the execution of a search by sending the search parameters to LON-CAPA servers. The progress of -search (on a server basis) is displayed to the user in a seperate window. +search (on a server basis) is displayed to the user in a separate window. =head1 Internals @@ -63,7 +63,7 @@ package Apache::lonsearchcat; use strict; use Apache::Constants qw(:common :http); -use Apache::lonnet(); +use Apache::lonnet; use Apache::File(); use CGI qw(:standard); use Text::Query; @@ -73,6 +73,12 @@ use Apache::lonmysql(); use Apache::lonmeta; use Apache::lonhtmlcommon; use Apache::lonlocal; +use LONCAPA::lonmetadata(); +use HTML::Entities(); +use Parse::RecDescent; +use Apache::lonnavmaps; +use Apache::lonindexer(); +use LONCAPA; ###################################################################### ###################################################################### @@ -89,7 +95,9 @@ my %persistent_db; # gdbm hash which h # The different view modes and associated functions my %Views = ("detailed" => \&detailed_citation_view, + "detailedpreview" => \&detailed_citation_preview, "summary" => \&summary_view, + "summarypreview" => \&summary_preview, "fielded" => \&fielded_format_view, "xml" => \&xml_sgml_view, "compact" => \&compact_view); @@ -109,13 +117,10 @@ sub handler { my $diropendb; # The full path to the (temporary) search database file. # This is set and used in &handler() and is also used in # &output_results(). - my $bodytag; # LON-CAPA standard body tag, gotten from - # &Apache::lonnet::bodytag. - # No title, no table, just a tag. my $loaderror=&Apache::lonnet::overloaderror($r); if ($loaderror) { return $loaderror; } - + # my $closebutton; # button that closes the search window # This button is different for the RAT compared to # normal invocation. @@ -133,68 +138,101 @@ sub handler { &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['catalogmode','launch','acts','mode','form','element','pause', 'phase','persistent_db_id','table','start','show', - 'cleargroupsort','titleelement']); + 'cleargroupsort','titleelement','area','inhibitmenu']); ## ## The following is a trick - we wait a few seconds if asked to so ## the daemon running the search can get ahead of the daemon ## printing the results. We only need (theoretically) to do ## this once, so the pause indicator is deleted ## - if (exists($ENV{'form.pause'})) { + if (exists($env{'form.pause'})) { sleep(1); - delete($ENV{'form.pause'}); + delete($env{'form.pause'}); } ## ## Initialize global variables ## my $domain = $r->dir_config('lonDefDomain'); - $diropendb= "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db"; + $diropendb= "/home/httpd/perl/tmp/". + "$env{'user.domain'}_$env{'user.name'}_sel_res.db"; # # set the name of the persistent database - # $ENV{'form.persistent_db_id'} can only have digits in it. - if (! exists($ENV{'form.persistent_db_id'}) || - ($ENV{'form.persistent_db_id'} =~ /\D/) || - ($ENV{'form.launch'} eq '1')) { - $ENV{'form.persistent_db_id'} = time; + # $env{'form.persistent_db_id'} can only have digits in it. + if (! exists($env{'form.persistent_db_id'}) || + ($env{'form.persistent_db_id'} =~ /\D/) || + ($env{'form.launch'} eq '1')) { + $env{'form.persistent_db_id'} = time; } - $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); + my $persistent_db_file = "/home/httpd/perl/tmp/". - &Apache::lonnet::escape($domain). - '_'.&Apache::lonnet::escape($ENV{'user.name'}). - '_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db'; - ## - if (! &get_persistent_form_data($persistent_db_file)) { - if ($ENV{'form.phase'} =~ /(run_search|results)/) { - &Apache::lonnet::logthis("lonsearchcat:Unable to recover data ". - "from $persistent_db_file"); - $r->print(< -LON-CAPA Search Error -$bodytag -We were unable to retrieve data describing your search. This is a serious -error and has been logged. Please alert your LON-CAPA administrator. - - -END - return OK; + &escape($domain). + '_'.&escape($env{'user.name'}). + '_'.$env{'form.persistent_db_id'}.'_persistent_search.db'; + ## + &Apache::lonhtmlcommon::clear_breadcrumbs(); + + my @allowed_searches = ('portfolio'); + if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) { + push(@allowed_searches,'res'); + } + if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') { + push(@allowed_searches,'course'); + } + my $crumb_text = 'Portfolio Search'; + if (@allowed_searches == 3) { + $crumb_text = 'Course, Portfolio and Catalog Search'; + } elsif (@allowed_searches ==2) { + if (grep(/^res$/,@allowed_searches)) { + $crumb_text = 'Portfolio and Catalog Search'; + } elsif (grep(/^course$/,@allowed_searches)) { + $crumb_text = 'Portfolio and Course Search'; + } + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/searchcat?'. + &Apache::loncommon::inhibit_menu_check(). + '&catalogmode='.$env{'form.catalogmode'}. + '&launch='.$env{'form.launch'}. + '&mode='.$env{'form.mode'}, + text=>"$crumb_text", + target=>'_top', + bug=>'Searching',}); + # + if ($env{'form.phase'} !~ m/(basic|adv|course)_search/) { + if (! &get_persistent_form_data($persistent_db_file)) { + if ($env{'form.phase'} =~ /(run_search|results)/) { + &Apache::lonnet::logthis('lonsearchcat:'. + 'Unable to recover data from '. + $persistent_db_file); + my $msg = + 'We were unable to retrieve data describing your search. '. + 'This is a serious error and has been logged. '. + 'Please alert your LON-CAPA administrator.'; + &Apache::loncommon::simple_error_page($r,'Search Error', + $msg); + return OK; + } } + } else { + &clean_up_environment(); } ## ## Clear out old values from groupsearch database ## untie %groupsearch_db if (tied(%groupsearch_db)); - if (($ENV{'form.cleargroupsort'} eq '1') || - (($ENV{'form.launch'} eq '1') && - ($ENV{'form.catalogmode'} eq 'groupsearch'))) { + if (($env{'form.cleargroupsort'} eq '1') || + (($env{'form.launch'} eq '1') && + ($env{'form.catalogmode'} eq 'import'))) { if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { &start_fresh_session(); untie %groupsearch_db; - delete($ENV{'form.cleargroupsort'}); + delete($env{'form.cleargroupsort'}); } else { # This is a stupid error to give to the user. # It really tells them nothing. - $r->print(''.$bodytag. - 'Unable to tie hash to db file'); + my $msg = 'Unable to tie hash to db file.'; + &Apache::loncommon::simple_error_page($r,'Search Error', + $msg); return OK; } } @@ -202,48 +240,50 @@ END ## Configure hidden fields ## $hidden_fields = ''."\n"; - if (exists($ENV{'form.catalogmode'})) { - $hidden_fields .= ''."\n"; - } - if (exists($ENV{'form.form'})) { - $hidden_fields .= ''."\n"; - } - if (exists($ENV{'form.element'})) { - $hidden_fields .= ''."\n"; - } - if (exists($ENV{'form.titleelement'})) { - $hidden_fields .= ''."\n"; - } - if (exists($ENV{'form.mode'})) { - $hidden_fields .= ''."\n"; + $env{'form.persistent_db_id'}.'" />'."\n"; + if (exists($env{'form.catalogmode'})) { + $hidden_fields .= &hidden_field('catalogmode'); + } + if (exists($env{'form.form'})) { + $hidden_fields .= &hidden_field('form'); + } + if (exists($env{'form.element'})) { + $hidden_fields .= &hidden_field('element'); + } + if (exists($env{'form.titleelement'})) { + $hidden_fields .= &hidden_field('titleelement'); + } + if (exists($env{'form.mode'})) { + $hidden_fields .= &hidden_field('mode'); + } + if (exists($env{'form.area'})) { + $hidden_fields .= &hidden_field('area'); + } + if (exists($env{'form.inhibitmenu'})) { + $hidden_fields .= &hidden_field('inhibitmenu'); } ## ## Configure dynamic components of interface ## - if ($ENV{'form.catalogmode'} eq 'interactive') { - $closebutton=" END } else { @@ -253,77 +293,79 @@ END ## ## Sanity checks on form elements ## - if (!defined($ENV{'form.viewselect'})) { - if (($ENV{'form.catalogmode'} eq 'groupsearch') || - ($ENV{'form.catalogmode'} eq 'interactive')) { - $ENV{'form.viewselect'} ="Compact View"; - } else { - $ENV{'form.viewselect'} ="Detailed Citation View"; - } + if (!defined($env{'form.viewselect'})) { + $env{'form.viewselect'} ="summary"; + } + $env{'form.phase'} = 'disp_basic' if (! exists($env{'form.phase'})); + $env{'form.show'} = 20 if (! exists($env{'form.show'})); + # + $env{'form.searchmode'} = 'basic' if (! exists($env{'form.searchmode'})); + if ($env{'form.phase'} eq 'adv_search' || + $env{'form.phase'} eq 'disp_adv') { + $env{'form.searchmode'} = 'advanced'; + } elsif ($env{'form.phase'} eq 'course_search') { + $env{'form.searchmode'} = 'course_search'; + } + # + if ($env{'form.searchmode'} eq 'advanced') { + my $srchtype = 'Catalog'; + if ($env{'form.area'} eq 'portfolio') { + $srchtype = 'Portfolio'; + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/searchcat?'.&Apache::loncommon::inhibit_menu_check(). + '&phase=disp_adv'. + '&catalogmode='.$env{'form.catalogmode'}. + '&launch='.$env{'form.launch'}. + '&mode='.$env{'form.mode'}, + text=>"Advanced $srchtype Search", + bug=>'Searching',}); + } elsif ($env{'form.searchmode'} eq 'course search') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/searchcat?'.&Apache::loncommon::inhibit_menu_check(). + '&phase=disp_adv'. + 'catalogmode='.$env{'form.catalogmode'}. + '&launch='.$env{'form.launch'}. + '&mode='.$env{'form.mode'}, + text=>"Course Search", + bug=>'Searching',}); } - $ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'})); - $ENV{'form.show'} = 20 if (! exists($ENV{'form.show'})); ## ## Switch on the phase ## - if ($ENV{'form.phase'} eq 'disp_basic') { + if ($env{'form.phase'} eq 'disp_basic') { &print_basic_search_form($r,$closebutton,$hidden_fields); - } elsif ($ENV{'form.phase'} eq 'disp_adv') { + } elsif ($env{'form.phase'} eq 'disp_adv') { &print_advanced_search_form($r,$closebutton,$hidden_fields); - } elsif ($ENV{'form.phase'} eq 'results') { - &display_results($r,$importbutton,$closebutton,$diropendb); - } elsif ($ENV{'form.phase'} =~ /^(sort|run_search)$/) { + } elsif ($env{'form.phase'} eq 'results') { + &display_results($r,$importbutton,$closebutton,$diropendb, + $env{'form.area'}); + } elsif ($env{'form.phase'} =~ /^(sort|run_search)$/) { my ($query,$customquery,$customshow,$libraries,$pretty_string) = &get_persistent_data($persistent_db_file, ['query','customquery','customshow', 'libraries','pretty_string']); - if ($ENV{'form.phase'} eq 'sort') { + if ($env{'form.phase'} eq 'sort') { &print_sort_form($r,$pretty_string); - } elsif ($ENV{'form.phase'} eq 'run_search') { + } elsif ($env{'form.phase'} eq 'run_search') { &run_search($r,$query,$customquery,$customshow, - $libraries,$pretty_string); + $libraries,$pretty_string,$env{'form.area'}); } - } elsif ($ENV{'form.phase'} eq 'course_search') { + } elsif ($env{'form.phase'} eq 'course_search') { &course_search($r); - } elsif(($ENV{'form.phase'} eq 'basic_search') || - ($ENV{'form.phase'} eq 'adv_search')) { - $ENV{'form.searchmode'} = 'basic'; - if ($ENV{'form.phase'} eq 'adv_search') { - $ENV{'form.searchmode'} = 'advanced'; - } - # Set up table - if (! defined(&create_results_table())) { - my $errorstring=&Apache::lonmysql::get_error(); - $r->print(<Search Error -$bodytag -Unable to create table in which to store search results. -The search has been aborted. -
$errorstring - - -END - return OK; - } - delete($ENV{'form.launch'}); - if (! &make_form_data_persistent($r,$persistent_db_file)) { - $r->print(<Search Error -$bodytag -Unable to properly store search information. The search has been aborted. - - -END - return OK; - } + } elsif(($env{'form.phase'} eq 'basic_search') || + ($env{'form.phase'} eq 'adv_search')) { # - # We are running a search + # We are running a search, try to parse it my ($query,$customquery,$customshow,$libraries) = (undef,undef,undef,undef); my $pretty_string; - if ($ENV{'form.phase'} eq 'basic_search') { + if ($env{'form.phase'} eq 'basic_search') { ($query,$pretty_string,$libraries) = &parse_basic_search($r,$closebutton,$hidden_fields); + return OK if (! defined($query)); + &make_persistent({ basicexp => $env{'form.basicexp'}}, + $persistent_db_file); } else { # Advanced search ($query,$customquery,$customshow,$libraries,$pretty_string) = &parse_advanced_search($r,$closebutton,$hidden_fields); @@ -335,14 +377,76 @@ END libraries => $libraries, pretty_string => $pretty_string }, $persistent_db_file); + # + # Set up table + if (! defined(&create_results_table($env{'form.area'}))) { + my $errorstring=&Apache::lonmysql::get_error(); + &Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '. + 'needed table. lonmysql error:'. + $errorstring); + + my $msg = + 'Unable to create table in which to save search results. '. + 'The search has been aborted.'; + &Apache::loncommon::simple_error_page($r,'Search Error', + $msg); + return OK; + } + delete($env{'form.launch'}); + if (! &make_form_data_persistent($r,$persistent_db_file)) { + my $msg= + 'Unable to properly save search information. '. + 'The search has been aborted.'; + &Apache::loncommon::simple_error_page($r,'Search Error', + $msg); + return OK; + } ## ## Print out the frames interface ## - &print_frames_interface($r); + if (defined($query)) { + &print_frames_interface($r); + } } return OK; } +# +# The mechanism used to store values away and retrieve them does not +# handle the case of missing environment variables being significant. +# +# This routine sets non existant checkbox form elements to ''. +# +sub clean_up_environment { + if ($env{'form.phase'} eq 'basic_search') { + if (! exists($env{'form.related'})) { + $env{'form.related'} = ''; + } + if (! exists($env{'form.domains'})) { + $env{'form.domains'} = ''; + } + } elsif ($env{'form.phase'} eq 'adv_search') { + foreach my $field ('title','keywords','notes', + 'abstract','standards','mime') { + if (! exists($env{'form.'.$field.'_related'})) { + $env{'form.'.$field.'_related'} = ''; + } + } + } elsif ($env{'form.phase'} eq 'course_search') { + if (! exists($env{'form.crsrelated'})) { + $env{'form.crsrelated'} = ''; + } + } +} + +sub hidden_field { + my ($name,$value) = @_; + if (! defined($value)) { + $value = $env{'form.'.$name}; + } + return ''.$/; +} + ###################################################################### ###################################################################### ## @@ -357,78 +461,180 @@ 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 $pretty_search_string = ''.$env{'form.courseexp'}.''; + my $search_string = $env{'form.courseexp'}; my @New_Words; - if ($ENV{'form.crsrelated'}) { - ($search_string,@New_Words) = &related_version($ENV{'form.courseexp'}); + undef(%alreadyseen); + if ($env{'form.crsrelated'}) { + ($search_string,@New_Words) = &related_version($env{'form.courseexp'}); if (@New_Words) { $pretty_search_string .= ' '.&mt("with related words").": @New_Words."; } else { $pretty_search_string .= ' '.&mt('with no related words')."."; } } - my $fulltext=$ENV{'form.crsfulltext'}; + 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); + $r->print(&Apache::loncommon::start_page('Course Search'). + '
'. + $pretty_search_string.'
'. + '
'.&mt('Course content').':
'); $r->rflush(); # ======================================================= Go through the course - undef %alreadyseen; - %alreadyseen=(); my $c=$r->connection; - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", + if (tie(%hash,'GDBM_File',$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); } 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 $navmap = Apache::lonnavmaps::navmap->new(); + if (defined($navmap)) { + 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/$LONCAPA::domain_re/$LONCAPA::username_re)/(\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('discussion board'); + } else { + $url = '/res/'.$url; + } + if ($url =~ /\?/) { + $url .= '&symb='; + } else { + $url .= '?symb='; + } + $url .= &escape($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').'.

'); + } + } else { + $r->print('
'.&mt('An error occurred retrieving information about resources in the course.').'
'.&mt('It is recommended that you [_1]re-initialize the course[_2] and then try your search again.','','').'
'); + } + } + # =================================================== Done going through course - $r->print(''); + $r->print(&Apache::loncommon::end_page()); } # =============================== This pulls up a resource and its dependencies sub checkonthis { - my ($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='.&escape($symb)); } $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(' '); } - $r->print(''. - ($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 { + $href.='?symb='.&escape($symb); + } + $r->print(''.($title?$title:$url). + '
'); $totalfound++; } elsif ($fulltext) { $r->print(' .'); @@ -438,12 +644,24 @@ sub checkonthis { my $dependencies= &Apache::lonnet::metadata($url,'dependencies'); foreach (split(/\,/,$dependencies)) { - if (($_=~/^\/res\//) && (!$alreadyseen{$_})) { - &checkonthis($r,$_,$level+1,'',$fulltext,@allwords); + if (($_=~/^\/res\//) && (!$alreadyseen{$id})) { + &checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords); } } } +sub checkwords { + my ($result,$applies,@allwords) = @_; + foreach (@allwords) { + if ($_=~/\w/) { + if ($result=~/$_/si) { + $applies++; + } + } + } + return $applies; +} + sub untiehash { if (tied(%hash)) { untie(%hash); @@ -452,6 +670,7 @@ sub untiehash { } # End of course search scoping + ###################################################################### ###################################################################### @@ -459,88 +678,39 @@ sub untiehash { =item &print_basic_search_form() -Returns a scalar which holds html for the basic search form. +Prints the form for the basic search. Sorry the name is so cryptic. =cut ###################################################################### ###################################################################### - -sub print_basic_search_form{ +sub print_basic_search_form { my ($r,$closebutton,$hidden_fields) = @_; - my $bodytag=&Apache::loncommon::bodytag('Search'); - my $scrout=<<"ENDDOCUMENT"; - - -The LearningOnline Network with CAPA - - -$bodytag -ENDDOCUMENT -if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { - my $CatalogSearch=&mt('Catalog Search'); - my $Statement=&searchhelp(); - $scrout.=(<$CatalogSearch -
- -$hidden_fields -

-$Statement. -

-

- - - - -
-ENDDOCUMENT - $scrout.=' '.&Apache::lonhtmlcommon::textbox('basicexp', - $ENV{'form.basicexp'},40). - ' '; - my $relatedcheckbox = &Apache::lonhtmlcommon::checkbox('related', - $ENV{'form.related'}); - my $domain = $r->dir_config('lonDefDomain'); - my $domaincheckbox = &Apache::lonhtmlcommon::checkbox('domains', - $ENV{'form.domains'}); - my $srch=&mt('Search'); - my $header=&mt('Advanced Search'); - my $userelatedwords=&mt('use related words'); - my $onlysearchdomain=&mt('only search domain'); - my $view=&viewoptions(); - $scrout.=<$header
$relatedcheckbox $userelatedwords$domaincheckbox $onlysearchdomain $domain
-

-$view -

-   -$closebutton -END - $scrout.=< - -ENDDOCUMENT - } - if ($ENV{'request.course.id'}) { - my %lt=&Apache::lonlocal::texthash( - 'srch' => 'Search', + my $result = ($env{'form.catalogmode'} ne 'import'); + my $bread_crumb = + &Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Basic', + $env{'form.catalogmode'} ne 'import'); + my $scrout = &Apache::loncommon::start_page('Content Library').$bread_crumb; +# Search form for resource space + if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) { + $scrout .= &setup_basic_search($r,'res',$hidden_fields,$closebutton); + $scrout .= '


'; + } +# Search form for accessible portfolio files + $scrout.= &setup_basic_search($r,'portfolio',$hidden_fields,$closebutton); + if ($env{'request.course.id'}) { + my %lt=&Apache::lonlocal::texthash('srch' => 'Search', '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 discussion boards)', ); $scrout.=(< +

$lt{'header'}

-
$hidden_fields

@@ -552,29 +722,101 @@ $lt{'note'}. ENDCOURSESEARCH $scrout.=' '. &Apache::lonhtmlcommon::textbox('courseexp', - $ENV{'form.courseexp'},40); + $env{'form.courseexp'},40); my $crscheckbox = &Apache::lonhtmlcommon::checkbox('crsfulltext', - $ENV{'form.crsfulltext'}); + $env{'form.crsfulltext'}); my $relcheckbox = &Apache::lonhtmlcommon::checkbox('crsrelated', - $ENV{'form.crsrelated'}); + $env{'form.crsrelated'}); + my $discheckbox = + &Apache::lonhtmlcommon::checkbox('crsdiscuss', + $env{'form.crsrelated'}); $scrout.=(< -$relcheckbox $lt{'use'} -$crscheckbox $lt{'full'} + + +

 

+
+ ENDENDCOURSE } - $scrout.=(< - -ENDDOCUMENT + $scrout .= &Apache::loncommon::end_page(); $r->print($scrout); return; } + +sub setup_basic_search { + my ($r,$area,$hidden_fields,$closebutton) = @_; + # Define interface components + my %lt = &Apache::lonlocal::texthash ( + res => 'LON-CAPA Catalog Search', + portfolio => 'Portfolio Search', + ); + my ($userelatedwords,$onlysearchdomain,$inclext,$adv_search_link,$scrout); + $userelatedwords = ''; + $onlysearchdomain = ''; + $adv_search_link = ''.&mt('Advanced Search').''; + # + $scrout.='
'. + ''. + $hidden_fields; + if (!exists($env{'form.area'})) { + $scrout .= ''; + } + # + $scrout .= '
'.$/; +# if ($env{'request.course.id'}) { + $scrout .= '

'.$lt{$area}.'

'; +# } else { + # No need to tell them they are searching +# $scrout.= ('
'x2); +# } + $scrout.=''. + ''. + ''. + ''.$/; + # + $scrout .= ''.$/; + $scrout .= '
'. + &Apache::lonhtmlcommon::textbox('basicexp', + $env{'form.basicexp'},50). + '
'. + ''.&searchhelp().''.'		'. + ''.(' 'x3).$adv_search_link.''.'
'. + ''.(' 'x1).$userelatedwords.''.'
'. + ''.(' 'x1).$onlysearchdomain.''.'
'. + ''.(' 'x1).$inclext.''.'
'. + '
'. + ''. + ''. + (' 'x2).$closebutton.(' 'x2). &viewoptions(). + ''. + '
'.$/.'
'.'
'; + return $scrout; +} + ###################################################################### ###################################################################### @@ -582,145 +824,283 @@ ENDDOCUMENT =item &advanced_search_form() -Returns a scalar which holds html for the advanced search form. +Prints the advanced search form. =cut ###################################################################### ###################################################################### - sub print_advanced_search_form{ my ($r,$closebutton,$hidden_fields) = @_; + my $bread_crumb = + &Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Advanced', + $env{'form.catalogmode'} ne 'import'); my %lt=&Apache::lonlocal::texthash('srch' => 'Search', 'reset' => 'Reset', 'help' => 'Help'); - my $advanced_buttons = <<"END"; -

+ my $advanced_buttons=<<"END"; $closebutton - -

END - my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search'); - my $searchhelp=&searchhelp(); - my $scrout=<<"ENDHEADER"; - - -The LearningOnline Network with CAPA - - -$bodytag -$searchhelp + my $srchtype = 'Catalog'; + my $jscript; + if ($env{'form.area'} eq 'portfolio') { + $srchtype = 'Portfolio'; + $jscript = ''; + } + my $scrout= &Apache::loncommon::start_page("Advanced $srchtype Search", + $jscript); + $scrout .= <<"ENDHEADER"; +$bread_crumb
+

$advanced_buttons -$hidden_fields - ENDHEADER - $scrout.=&viewoptions(); + $scrout.=(' 'x2).&viewoptions().'

'.$hidden_fields. + ''; my %fields=&Apache::lonmeta::fieldnames(); - - $scrout.=''; - $scrout.="\n"; - foreach ('title','author','keywords','notes','abstract','standards', - 'lowestgradelevel','highestgradelevel','mime') { - $scrout.=''; - } - my %dates=&Apache::lonlocal::texthash('creationdatestart' => 'Creation Date After', - 'creationdateend' => 'Creation Date Before', - 'lastrevisiondatestart' => 'Last Revision Date After', - 'lastrevisiondateend' => 'Last Revision Date Before'); - foreach (sort keys %dates) { - $scrout.=''; + # + $scrout .= '

'.&mt("Standard $srchtype Metadata").'

'; + $scrout .= "
".&mt('Field').''.&mt('Value').'' - .&mt('Related').'
'.&mt('Words')."
'.&titlefield($fields{$_}).''. - &Apache::lonmeta::prettyinput($_,$ENV{'form.'.$_},$_,'advsearch', - 1,'',$ENV{'form.'.$_.'_related'}). - '
'.&titlefield($dates{$_}).''. - &Apache::lonhtmlcommon::date_setter('advsearch',$_,0,'',1). - ' 
\n"; + $scrout .= '\n"; + my %related_word_search = + ('title' => 1, + 'author' => 0, + 'owner' => 0, + 'authorspace' => 0, + 'modifyinguser'=> 0, + 'keywords' => 1, + 'notes' => 1, + 'abstract' => 1, + 'standards'=> 1, + 'mime' => 1, + 'subject' => 1, + ); + # + foreach my $field ('title','author','subject','owner','authorspace', + 'modifyinguser','keywords','notes','abstract', + 'standards','mime') { + $scrout.=''.$/; } - - - - # Hack - an empty table row. - $scrout.="\n"; -# $scrout.=&searchphrasefield('file
extension','extension', -# $ENV{'form.extension'}); -# $scrout.="\n"; -# $scrout.=&searchphrasefield('publisher
owner','owner', - # $ENV{'form.owner'}); - $scrout.="
 '. + (' 'x2).&searchhelp()."
'.&titlefield($fields{$field}).''. + &Apache::lonmeta::prettyinput($field, + $env{'form.'.$field}, + $field, + 'advsearch', + $related_word_search{$field}, + '', + $env{'form.'.$field.'_related'}, + 50); + if ($related_word_search{$field}) { + $scrout .= &mt('related words'); + } else { + $scrout .= ' '; + } + $scrout .= '
   
   
\n"; -# $scrout.=&Apache::lonmeta::selectbox('File Category','category', -# $ENV{'form.category'}, -# 'any','Any category', -# undef, -# (&Apache::loncommon::filecategories())); - #---------------------------------------------------------------- - # Allow restriction to multiple domains. - # I make the crazy assumption that there will never be a domain 'any'. + foreach my $field ('lowestgradelevel','highestgradelevel') { + $scrout.=''. + ''.&titlefield($fields{$field}).''. + ''. + &Apache::lonmeta::prettyinput($field, + $env{'form.'.$field}, + $field, + 'advsearch', + 0). + ''.$/; + } + $scrout.=''. + &titlefield(&mt('MIME Type Category')).''. + &Apache::loncommon::filecategoryselect('category', + $env{'form.category'}). + ''.$/; + $scrout.=''. + &titlefield(&mt('Domains')).''. + &Apache::loncommon::domain_select('domains', + $env{'form.domains'},1). + '