--- loncom/interface/lonsearchcat.pm 2001/03/12 17:28:32 1.7 +++ loncom/interface/lonsearchcat.pm 2001/03/15 20:11:18 1.34 @@ -36,9 +36,15 @@ sub handler { %metadatafields=(); + my $hidden=''; + $hidden=< +END + # ------------------------------------------------ First, check out environment $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'}; +# --------------------------------- Compute various listings of metadata values %language=(); $language{'any'}='Any language'; @@ -71,613 +77,151 @@ sub handler { } if ($ENV{'form.basicsubmit'} eq 'SEARCH') { - return &basicsearch($r,$ENV{'form.basicexp'}); + return &basicsearch($r,\%ENV); + } + elsif ($ENV{'form.advancedsubmit'} eq 'SEARCH') { + return &advancedsearch($r,\%ENV); } - $scrout=""; + $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); - $scrout.=< LIMIT BY CREATION DATE RANGE:
-between: - - -and: - - -

+between: +CREATIONDATESTART + $scrout.=&dateboxes('creationdatestart',1,1,1976, + $ENV{'form.creationdatestart_month'}, + $ENV{'form.creationdatestart_day'}, + $ENV{'form.creationdatestart_year'}, + ); + $scrout.=< LIMIT BY LAST REVISION DATE RANGE: -
between: - - -and: - - -

+
between: +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(< The LearningOnline Network with CAPA -

Search Catalog

+$hidden

Basic Search

- -

-

Enter terms or phrases separated by search operators such as AND or OR then press SEARCH below. Terms should be specific to the title, author, subject, notes, or abstract information associated with a resource.
- - -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
+ +

Advanced Search

$scrout

+ +

@@ -694,6 +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 $instruction=<$uctitle:". - ": $instruction
". + " $instruction
". ''; } +sub dateboxes { + my ($name,$defaultmonth,$defaultday,$defaultyear, + $currentmonth,$currentday,$currentyear)=@_; + ($defaultmonth,$defaultday,$defaultyear)=('','',''); + my $month=< + + + + + + + + + + + + + + +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$year"; +} + sub selectbox { my ($title,$name,$value,%options)=@_; my $uctitle=uc($title); @@ -719,51 +419,157 @@ sub selectbox { return $selout.''; } +# ------------------------------------------------ Performing a advanced search +sub advancedsearch { + my ($r,$envhash)=@_; + my %ENV=%{$envhash}; + + my $fillflag=0; + for my $field ('title','author','subject','keywords','url','version', + 'notes','abstract','mime','language','owner', + 'custommetadata') { + if (&filled($ENV{'form.basicexp'})) { + $fillflag++; + } + } + + unless ($fillflag) { + &output_blank_field_error($r); + return OK; + } + + $r->print(<dir_config('lonDaemons').'/tmp/'.$1; - $reply=~/(.*?)\_/; - my $hostname=$1; + my $query=$ENV{'form.basicexp'}; + my $concatarg=join('," ",', + ('title', 'author', 'subject', 'notes', 'abstract')); + + $query="select * from metadata where concat($concatarg) like '\%$ENV{'form.basicexp'}\%'"; + my $reply=&Apache::lonnet::metadata_query($query); + &output_results($r,$envhash,$concatarg,$reply); + return OK; +} - { - while (1) { - last if -e $replyfile; - sleep 1; +sub output_blank_field_error { + my ($r)=@_; + # 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); + + $r->print(< + +The LearningOnline Network with CAPA +BEGINNING + $r->print(< + + +

Search Catalog

+
+$persistent + + +
+

Helpful Message

+

+Incorrect search query due to blank entry fields. +You need to fill in the relevant +fields on the search page in order for a query to be +processed. +

+ + +RESULTS +} + +# ----------------------------- format and output results based on a reply list +sub output_results { + my ($r,$envhash,$testval,@replylist)=@_; + my %ENV=%{$envhash}; + 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=''; - - 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.=< + +
+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}
@@ -775,35 +581,71 @@ sub basicsearch { 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"; + } -# Question... allow to ask question from this page, or click to -# search again? - $r->print(< +END + } + } (keys %ENV); + + $r->print(< The LearningOnline Network with CAPA +BEGINNING + $r->print(< + function select_data(title,url) { + changeTitle(title); + changeURL(url); + } + function changeTitle(val) { + if (opener.inf.document.forms.resinfo.elements.t) { + opener.inf.document.forms.resinfo.elements.t.value=val; + } + } + function changeURL(val) { + if (opener.inf.document.forms.resinfo.elements.u) { + opener.inf.document.forms.resinfo.elements.u.value=val; + } + } + +SCRIPT + $r->print(<

Search Catalog

+$testval + + +$persistent

Search Query

-$expression +Basic search: $ENV{'form.basicexp'}

Search Results

$compiledresult RESULTS - - return OK; + } } 1;