--- loncom/interface/lonsearchcat.pm 2001/03/13 15:36:15 1.8 +++ loncom/interface/lonsearchcat.pm 2001/03/15 18:43:30 1.18 @@ -79,28 +79,43 @@ END if ($ENV{'form.basicsubmit'} eq 'SEARCH') { return &basicsearch($r,$ENV{'form.basicexp'}); } + elsif ($ENV{'form.advancedsubmit'} eq 'SEARCH') { + return &advancedsearch($r,\%ENV); + } $scrout=''; # building a part of screen output $scrout.=&searchphrasefield('Limit by title','title', - ''); + $ENV{'form.title'}); $scrout.=&searchphrasefield('Limit by author','author', - ''); + $ENV{'form.author'}); $scrout.=&searchphrasefield('Limit by subject','subject', - ''); + $ENV{'form.subject'}); + + $scrout.=&searchphrasefield('Limit by keywords','keywords', + $ENV{'form.keywords'}); + + $scrout.=&searchphrasefield('Limit by URL','url', + $ENV{'form.url'}); + + $scrout.=&searchphrasefield('Limit by version','version', + $ENV{'form.version'}); $scrout.=&searchphrasefield('Limit by notes','notes', - ''); + $ENV{'form.notes'}); $scrout.=&searchphrasefield('Limit by abstract','abstract', - ''); + $ENV{'form.abstract'}); + $ENV{'form.mime'}='notxxx' unless length($ENV{'form.mime'}); $scrout.=&selectbox('Limit by MIME type','mime', - 'notxxx',%mimetag); + $ENV{'form.mime'},%mimetag); + + $ENV{'form.language'}='any' unless length($ENV{'form.language'}); $scrout.=&selectbox('Limit by language','language', - 'any',%language); + $ENV{'form.language'},%language); # ------------------------------------------------ Compute date selection boxes @@ -111,11 +126,19 @@ END
between: CREATIONDATESTART - $scrout.=&dateboxes('creationdatestart'); + $scrout.=&dateboxes('creationdatestart',1,1,1976, + $ENV{'form.creationdatestart_month'}, + $ENV{'form.creationdatestart_day'}, + $ENV{'form.creationdatestart_year'}, + ); $scrout.=<
between: LASTREVISIONDATESTART - $scrout.=&dateboxes('lastrevisiondatestart'); + $scrout.=&dateboxes('lastrevisiondatestart',1,1,1976, + $ENV{'form.lastrevisiondatestart_month'}, + $ENV{'form.lastrevisiondatestart_day'}, + $ENV{'form.lastrevisiondatestart_year'}, + ); $scrout.=< +LIMIT BY OTHER METADATA FIELDS: + +For author-specific metadata, enter in an expression in the form of +key=value separated by operators such as AND or OR.
+Example: grandmother=75 OR grandfather=85 +
+CUSTOMMETADATA +$scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'}); +$scrout.=' initial users of this system do not need to worry about this option'; # ---------------------------------------------------------------- Print screen $r->print(< - - -Title only +ENDDOCUMENT + $r->print(&simpletextfield('basicexp',$ENV{'form.basicexp'})); + $r->print(' '); + $r->print(&simplecheckbox('titleonly',$ENV{'form.titleonly'})); + $r->print('Title only '); + $r->print(&simplecheckbox('allversions',$ENV{'form.allversions'})); + $r->print(<Search historic archives
@@ -187,6 +238,18 @@ sub textfield { ''; } +sub simpletextfield { + my ($name,$value)=@_; + return ''; +} + +sub simplecheckbox { + my ($name,$value)=@_; + my $checked=''; + $checked="CHECKED" if $value eq 'on'; + return ''; +} + sub searchphrasefield { my ($title,$name,$value)=@_; my $instruction=< - - - - - - - - - - + + + + + + + + + + +END + $month=~s/(\"$currentmonth\")/$1 SELECTED/ if length($currentmonth); + my $day=< - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +END + $day=~s/(\"$currentday\")/$1 SELECTED/ if length($currentday); + my $year=< - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + END + $year=~s/(\"$currentyear\")/$1 SELECTED/ if length($currentyear); + return "$month$day$year"; } sub selectbox { @@ -346,56 +419,74 @@ sub selectbox { return $selout.''; } +# ------------------------------------------------ Performing a advanced search +sub advancedsearch { + my ($r,$envhash)=@_; + my %ENV=%{$envhash}; + +} + # --------------------------------------------------- Performing a basic search sub basicsearch { my ($r,$expression)=@_; my $query=$expression; $query="select * from metadata where concat(title,\" \",author) like '\%$expression\%'"; - my $reply=&Apache::lonnet::reply("querysend:$query",'msul3'); - - my @results; + my $reply=&Apache::lonnet::metadata_query($query); + &output_results($reply); + return OK; +} - my $replyfile=''; - $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting - $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1; - $reply=~/(.*?)\_/; - my $hostname=$1; - - { - while (1) { - last if -e $replyfile; - sleep 1; +# ----------------------------- format and output results based on a reply list +sub output_results { + my (@replylist)=@_; + foreach my $reply (@replylist) { + + my @results; + + my $replyfile=''; + $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting + $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1; + $reply=~/(.*?)\_/; + my $hostname=$1; + + { + while (1) { + last if -e $replyfile; + sleep 1; + } + # QUESTION: how should I handle this error condition.. + # I'm sure there is syntax elsewhere I can use.. + my $fh=Apache::File->new($replyfile) or + ($r->print('file cannot be opened') and return OK); + @results=<$fh>; } - # QUESTION: how should I handle this error condition.. - # I'm sure there is syntax elsewhere I can use.. - my $fh=Apache::File->new($replyfile) or - ($r->print('file cannot be opened') and return OK); - @results=<$fh>; - } - my $compiledresult=''; + my $compiledresult=''; - foreach my $result (@results) { - my ($title,$author,$subject,$notes,$abstract,$mime,$lang, - $creationdate,$lastrevisiondate,$owner,$copyright - )=map {&Apache::lonnet::unescape($_)} (split(/\,/,$result)); - my $shortabstract=$abstract; - $shortabstract=substr($abstract,0,200) if length($abstract)>200; - $compiledresult.=<200; + $compiledresult.=< END - $compiledresult.=< +onClick="javascript:select_data('$title','$url')">
END - $compiledresult.=<URL: $url +
Title: $title
Author(s): $author
Subject: $subject
-Keyword(s): not available yet
+Keyword(s): $keywords
Notes: $notes
Abstract: $shortabstract
MIME Type: $mimetag{$mime}
@@ -407,20 +498,31 @@ END Repository Location: $hostname

END -} + } - unless ($compiledresult) { - $compiledresult="There were no results that matched your query"; - } + unless ($compiledresult) { + $compiledresult="There were no results that matched your query"; + } + + # make query information persistent to allow for subsequent revision + my $persistent=''; + map { + if (/^form\./ && !/submit/) { + my $name=$_; + my $key=$name; + $name=~s/^form\.//; + $persistent.=< +END + } + } (keys %ENV); -# Question... allow to ask question from this page, or click to -# search again? - $r->print(<print(< The LearningOnline Network with CAPA BEGINNING - $r->print(<print(< function select_data(title,url) { changeTitle(title); @@ -438,13 +540,17 @@ BEGINNING } SCRIPT - $r->print(<print(<

Search Catalog

-Revise search request + + +$persistent

Search Query

@@ -455,8 +561,7 @@ $compiledresult RESULTS - - return OK; + } } 1;