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Diff for /loncom/interface/lonsearchcat.pm between versions 1.62 and 1.89

version 1.62, 2001/03/21 12:51:15 version 1.89, 2001/03/27 21:41:06
Line 94  sub handler { Line 94  sub handler {
 END  END
   
     $closebutton=<<END if $ENV{'form.catalogmode'} eq 'interactive';      $closebutton=<<END if $ENV{'form.catalogmode'} eq 'interactive';
 <input type="button" name="close" value="CLOSE" onClick="self.close()">  <input type="button" name="close" value='CLOSE' onClick="self.close()">
 END  END
   
 # ------------------------------------------------ First, check out environment  # ------------------------------------------------ First, check out environment
Line 229  LASTREVISIONDATEEND Line 229  LASTREVISIONDATEEND
 # ------------------------------------------- Compute customized metadata field  # ------------------------------------------- Compute customized metadata field
     $scrout.=<<CUSTOMMETADATA;      $scrout.=<<CUSTOMMETADATA;
 <p>  <p>
 <font color="#800000" face="helvetica"><b>LIMIT BY OTHER METADATA FIELDS:</b>  <font color="#800000" face="helvetica"><b>LIMIT BY SPECIAL METADATA FIELDS:</b>
 </font>  </font>
 For author-specific metadata, enter in an expression in the form of   For resource-specific metadata, enter in an expression in the form of 
 <i>key</i>=<i>value</i> separated by operators such as AND or OR.<br>  <i>key</i>=<i>value</i> separated by operators such as AND or OR.<br>
 <b>Example:</b> grandmother=75 OR grandfather=85  <b>Example:</b> grandmother=75 OR grandfather=85
 <br>  <br>
Line 239  CUSTOMMETADATA Line 239  CUSTOMMETADATA
 $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});  $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});
 $scrout.=' <i>initial users of this system do not need to worry about this option</i>';  $scrout.=' <i>initial users of this system do not need to worry about this option</i>';
   
       $scrout.=<<CUSTOMSHOW;
   <p>
   <font color="#800000" face="helvetica"><b>SHOW SPECIAL METADATA FIELDS:</b>
   </font>
   Enter in a space-separated list of special metadata fields to show
   in a fielded listing for each record result.
   <br>
   CUSTOMSHOW
   $scrout.=&simpletextfield('customshow',$ENV{'form.customshow'});
   $scrout.=' <i>initial users of this system do not need to worry about this option</i>';
   
 # ---------------------------------------------------------------- Print screen  # ---------------------------------------------------------------- Print screen
     $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 <html>  <html>
Line 267  ENDDOCUMENT Line 278  ENDDOCUMENT
     $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 <font color="#800000">Search historic archives</font>  <font color="#800000">Search historic archives</font>
 <br>  <br>
 <input type="submit" name="basicsubmit" value="SEARCH">  <input type="submit" name="basicsubmit" value='SEARCH' />
 <input type="reset" name="reset" value="RESET">  <input type="reset" name="reset" value='RESET' />
 $closebutton  $closebutton
 $basicviewselect  $basicviewselect
 </p>  </p>
Line 276  $basicviewselect Line 287  $basicviewselect
 <h3>Advanced Search</h3>  <h3>Advanced Search</h3>
 $scrout  $scrout
 <p>  <p>
 <input type="submit" name="advancedsubmit" value="SEARCH">  <input type="submit" name="advancedsubmit" value='SEARCH' />
 <input type="reset" name="reset" value="RESET">  <input type="reset" name="reset" value='RESET' />
 $closebutton  $closebutton
 $advancedviewselect  $advancedviewselect
 </p>  </p>
Line 292  ENDDOCUMENT Line 303  ENDDOCUMENT
   
 sub simpletextfield {  sub simpletextfield {
     my ($name,$value)=@_;      my ($name,$value)=@_;
     return '<input type=text name="'.$name.'" size=20 value="'.$value.'">';      return '<input type=text name=\''.$name.
      '\' size=20 value=\''.$value.'\' />';
 }  }
   
 sub simplecheckbox {  sub simplecheckbox {
     my ($name,$value)=@_;      my ($name,$value)=@_;
     my $checked='';      my $checked='';
     $checked="CHECKED" if $value eq 'on';      $checked="CHECKED" if $value eq 'on';
     return '<input type=checkbox name="'.$name.'" '. $checked . '>';      return '<input type=checkbox name=\''.$name.'\' '. $checked . '>';
 }  }
   
 sub searchphrasefield {  sub searchphrasefield {
Line 311  END Line 323  END
     my $uctitle=uc($title);      my $uctitle=uc($title);
     return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:</b>".      return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:</b>".
    "</FONT> $instruction<br>".     "</FONT> $instruction<br>".
            '<input type=text name="'.$name.'" size=80 value="'.$value.'">';             '<input type=text name="'.$name.'" size=80 value=\''.$value.'\'>';
 }  }
   
 sub dateboxes {  sub dateboxes {
Line 464  sub selectbox { Line 476  sub selectbox {
     my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".      my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
  "</b></font><br>".'<select name="'.$name.'">';   "</b></font><br>".'<select name="'.$name.'">';
     map {      map {
         $selout.='<option value="'.$_.'"';          $selout.='<option value=\''.$_.'\'';
         if ($_ eq $value) { $selout.=' selected'; }          if ($_ eq $value) { $selout.=' selected'; }
         $selout.='>'.$options{$_}.'</option>';          $selout.='>'.$options{$_}.'</option>';
     } sort keys %options;      } sort keys %options;
Line 477  sub advancedsearch { Line 489  sub advancedsearch {
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
   
     my $fillflag=0;      my $fillflag=0;
       # Clean up fields for safety
       for my $field ('title','author','subject','keywords','url','version',
      'creationdatestart_month','creationdatestart_day',
      'creationdatestart_year','creationdateend_month',
      'creationdateend_day','creationdateend_year',
      'lastrevisiondatestart_month','lastrevisiondatestart_day',
      'lastrevisiondatestart_year','lastrevisiondateend_month',
      'lastrevisiondateend_day','lastrevisiondateend_year',
      'notes','abstract','mime','language','owner',
      'custommetadata','customshow') {
    $ENV{"form.$field"}=~s/[^\w\s\(\)\=\-\"\']//g;
       }
     for my $field ('title','author','subject','keywords','url','version',      for my $field ('title','author','subject','keywords','url','version',
    'notes','abstract','mime','language','owner',     'notes','abstract','mime','language','owner',
    'custommetadata') {     'custommetadata') {
Line 531  sub advancedsearch { Line 555  sub advancedsearch {
     elsif ($datequery) {      elsif ($datequery) {
  push @queries,$datequery;   push @queries,$datequery;
     }      }
       my $customquery='';
       if ($ENV{'form.custommetadata'}) {
    $customquery=&build_custommetadata_query('custommetadata',
         $ENV{'form.custommetadata'});
       }
       my $customshow='';
       if ($ENV{'form.customshow'}) {
    $customshow=$ENV{'form.customshow'};
    $customshow=~s/[^\w\s]//g;
    my @fields=split(/\s+/,$customshow);
    $customshow=join(" ",@fields);
       }
     if (@queries) {      if (@queries) {
  $query=join(" AND ",@queries);   $query=join(" AND ",@queries);
  $query="select * from metadata where $query";   $query="select * from metadata where $query";
  my $reply=&Apache::lonnet::metadata_query($query);   my $reply='';
  &output_results('Advanced',$r,$envhash,$query,$reply);   unless ($customquery or $customshow) {
     }      $reply=&Apache::lonnet::metadata_query($query);
     else {   }
  &output_results('Advanced',$r,$envhash,$query);   else {
       $reply=&Apache::lonnet::metadata_query($query,
      $customquery,$customshow);
    }
    &output_results('Advanced',$r,$envhash,$customquery,$reply);
       }
       elsif ($customquery) {
    my $reply='';
    $reply=&Apache::lonnet::metadata_query('',
          $customquery,$customshow);
    &output_results('Advanced',$r,$envhash,$customquery,$reply);
     }      }
       $r->print(' '); # just in case.. hrrmm..
     return OK;      return OK;
 }  }
   
Line 559  sub basicsearch { Line 606  sub basicsearch {
     my ($r,$envhash)=@_;      my ($r,$envhash)=@_;
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
   
       # Clean up fields for safety
       for my $field ('basicexp') {
    $ENV{"form.$field"}=~s/[^\w\s\(\)\-]//g;
       }
   
     unless (&filled($ENV{'form.basicexp'})) {      unless (&filled($ENV{'form.basicexp'})) {
  &output_blank_field_error($r);   &output_blank_field_error($r);
  return OK;   return OK;
Line 578  sub basicsearch { Line 630  sub basicsearch {
 sub output_blank_field_error {  sub output_blank_field_error {
     my ($r)=@_;      my ($r)=@_;
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
     my $persistent='';      my $persistent=&make_persistent();
     map {  
  if (/^form\./ && !/submit/) {  
     my $name=$_;  
     my $key=$name;  
     $name=~s/^form\.//;  
     $persistent.=<<END;  
 <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>  
 END  
         }  
     } (keys %ENV);  
   
     $r->print(<<BEGINNING);      $r->print(<<BEGINNING);
 <html>  <html>
Line 646  sub output_results { Line 688  sub output_results {
     @results=<$fh>;      @results=<$fh>;
  }   }
   
    my $customshow='';
    my $extrashow='';
    my @customfields;
    if ($ENV{'form.customshow'}) {
       $customshow=$ENV{'form.customshow'};
       $customshow=~s/[^\w\s]//g;
       my @fields=map {"<font color=\"#008000\">$_:</font><!-- $_ -->"} 
                      split(/\s+/,$customshow);
       @customfields=split(/\s+/,$customshow);
       if ($customshow) {
    $extrashow="<ul><li>".join("</li><li>",@fields)."</li></ul>\n";
       }
    }
    my $customdata='';
    my %customhash;
    foreach my $result (@results) {
       if ($result=~/^(custom\=.*)$/) { # grab all custom metadata
    my $tmp=$result;
    $tmp=~s/^custom\=//;
    my ($k,$v)=map {&Apache::lonnet::unescape($_);
       } split(/\,/,$tmp);
    $customhash{$k}=$v;
       }
    }
  foreach my $result (@results) {   foreach my $result (@results) {
       next if $result=~/^custom\=/;
       chomp $result;
       next unless $result;
     my @fields=map      my @fields=map
                    {&Apache::lonnet::unescape($_)}                     {&Apache::lonnet::unescape($_)}
                    (split(/\,/,$result));                     (split(/\,/,$result));
Line 656  sub output_results { Line 725  sub output_results {
     my $shortabstract=$abstract;      my $shortabstract=$abstract;
     $shortabstract=substr($abstract,0,200) if length($abstract)>200;      $shortabstract=substr($abstract,0,200) if length($abstract)>200;
     $fields[7]=$shortabstract;      $fields[7]=$shortabstract;
       my $extrashow2=$extrashow;
       if ($extrashow) {
    foreach my $field (@customfields) {
       my $value='';
       if ($customhash{$url}=~/\<${field}[^\>]*\>(.*?)\<\/${field}[^\>]*\>/s) {
            $value=$1;
       }
       $extrashow2=~s/\<\!\-\- $field \-\-\>/ $value/g;
    }
       }
   
       $compiledresult.=<<END if $compiledresult;
   <hr align='left' width='200' noshade />
   END
     $compiledresult.=<<END;      $compiledresult.=<<END;
 <p>  <p>
 END  END
Line 677  END Line 760  END
   
             if ($viewselect eq 'Detailed Citation View') {              if ($viewselect eq 'Detailed Citation View') {
  $compiledresult.=&detailed_citation_view(@fields,   $compiledresult.=&detailed_citation_view(@fields,
  $hostname,$httphost);   $hostname,$httphost,
    $extrashow2);
     }      }
             elsif ($viewselect eq 'Summary View') {              elsif ($viewselect eq 'Summary View') {
  $compiledresult.=&summary_view(@fields,$hostname,$httphost);   $compiledresult.=&summary_view(@fields,$hostname,$httphost,
          $extrashow2);
     }      }
             elsif ($viewselect eq 'Fielded Format') {              elsif ($viewselect eq 'Fielded Format') {
  $compiledresult.=&fielded_format_view(@fields,$hostname,   $compiledresult.=&fielded_format_view(@fields,$hostname,
       $httphost);        $httphost,$extrashow2);
     }      }
             elsif ($viewselect eq 'XML/SGML') {              elsif ($viewselect eq 'XML/SGML') {
  $compiledresult.=&xml_sgml_view(@fields,$hostname,$httphost);   $compiledresult.=&xml_sgml_view(@fields,$hostname,$httphost,
    $extrashow2);
     }      }
   
         }          }
Line 697  END Line 783  END
  }   }
   
  # make query information persistent to allow for subsequent revision   # make query information persistent to allow for subsequent revision
  my $persistent='';   my $persistent=&make_persistent();
  map {  
     if (/^form\./ && !/submit/) {  
  my $name=$_;  
  my $key=$name;  
  $name=~s/^form\.//;  
  $persistent.=<<END;  
 <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>  
 END  
             }  
  } (keys %ENV);  
   
  $r->print(<<BEGINNING);   $r->print(<<BEGINNING);
 <html>  <html>
Line 738  SCRIPT Line 814  SCRIPT
 <img align=right src=/adm/lonIcons/lonlogos.gif>  <img align=right src=/adm/lonIcons/lonlogos.gif>
 <h1>Search Catalog</h1>  <h1>Search Catalog</h1>
 <form method="post" action="/adm/searchcat">  <form method="post" action="/adm/searchcat">
   $customdata
 <input type='button' value='Revise search request'  <input type='button' value='Revise search request'
 onClick='this.form.submit();'>  onClick='this.form.submit();'>
 $closebutton  $closebutton
Line 781  sub build_SQL_query { Line 858  sub build_SQL_query {
     return $sql_query;      return $sql_query;
 }  }
   
   # ------------------------------------------------- build custom metadata query
   sub build_custommetadata_query {
       my ($field_name,$logic_statement)=@_;
       my $q=new Text::Query('abc',
     -parse => 'Text::Query::ParseAdvanced',
     -build => 'Text::Query::BuildAdvancedString');
       $q->prepare($logic_statement);
       my $matchexp=${$q}{'-parse'}{'-build'}{'matchstring'};
       # quick fix to change literal into xml tag-matching
       # will eventually have to write a separate builder module
       my $oldmatchexp=$matchexp;
       $matchexp=~s/(\w+)\\\=([\w\\\+]+)/\\\<$1\\\>\[\^\\\<\]\*$2\[\^\\\<\]\*\\\<\\\/$1\\\>/g;
       return $matchexp;
   }
   
 # - Recursively parse a reverse notation expression into a SQL query expression  # - Recursively parse a reverse notation expression into a SQL query expression
 sub recursive_SQL_query_build {  sub recursive_SQL_query_build {
     my ($dkey,$pattern)=@_;      my ($dkey,$pattern)=@_;
Line 815  sub detailed_citation_view { Line 907  sub detailed_citation_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
  $creationdate,$lastrevisiondate,$owner,$copyright,   $creationdate,$lastrevisiondate,$owner,$copyright,
  $hostname,$httphost)=@_;   $hostname,$httphost,$extrashow)=@_;
     my $result=<<END;      my $result=<<END;
 <i>$owner</i>, last revised $lastrevisiondate  <i>$owner</i>, last revised $lastrevisiondate
 <h3><A HREF="http://$httphost$url" TARGET='search_preview'>$title</A></h3>  <h3><A HREF="http://$httphost$url" TARGET='search_preview'>$title</A></h3>
Line 828  sub detailed_citation_view { Line 920  sub detailed_citation_view {
 <b>MIME Type:</b> $mimetag{$mime}<br>  <b>MIME Type:</b> $mimetag{$mime}<br>
 <b>Language:</b> $language{$lang}<br>  <b>Language:</b> $language{$lang}<br>
 <b>Copyright/Distribution:</b> $cprtag{$copyright}<br>  <b>Copyright/Distribution:</b> $cprtag{$copyright}<br>
   </p>
   $extrashow
   <p>
 $shortabstract  $shortabstract
 </p>  </p>
 END  END
Line 839  sub summary_view { Line 934  sub summary_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
  $creationdate,$lastrevisiondate,$owner,$copyright,   $creationdate,$lastrevisiondate,$owner,$copyright,
  $hostname,$httphost)=@_;   $hostname,$httphost,$extrashow)=@_;
     my $result=<<END;      my $result=<<END;
 <a href="http://$httphost$url" TARGET='search_preview'>$author</a><br />  <a href="http://$httphost$url" TARGET='search_preview'>$author</a><br />
 $title<br />  $title<br />
 $owner -- $lastrevisiondate<br />  $owner -- $lastrevisiondate<br />
 $cprtag{$copyright}<br />  $cprtag{$copyright}<br />
   $extrashow
 </p>  </p>
 END  END
     return $result;      return $result;
Line 855  sub fielded_format_view { Line 951  sub fielded_format_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
  $creationdate,$lastrevisiondate,$owner,$copyright,   $creationdate,$lastrevisiondate,$owner,$copyright,
  $hostname,$httphost)=@_;   $hostname,$httphost,$extrashow)=@_;
     my $result=<<END;      my $result=<<END;
 <b>URL: </b> <A HREF="http://$httphost$url" TARGET='search_preview'>$url</A>  <b>URL: </b> <A HREF="http://$httphost$url" TARGET='search_preview'>$url</A>
 <br />  <br />
Line 872  sub fielded_format_view { Line 968  sub fielded_format_view {
 <b>Copyright/Distribution:</b> $cprtag{$copyright}<br />  <b>Copyright/Distribution:</b> $cprtag{$copyright}<br />
 <b>Repository Location:</b> $hostname<br />  <b>Repository Location:</b> $hostname<br />
 <b>Abstract:</b> $shortabstract<br />  <b>Abstract:</b> $shortabstract<br />
   $extrashow
 </p>  </p>
 END  END
     return $result;      return $result;
Line 882  sub xml_sgml_view { Line 979  sub xml_sgml_view {
     my ($title,$author,$subject,$url,$keywords,$version,      my ($title,$author,$subject,$url,$keywords,$version,
  $notes,$shortabstract,$mime,$lang,   $notes,$shortabstract,$mime,$lang,
  $creationdate,$lastrevisiondate,$owner,$copyright,   $creationdate,$lastrevisiondate,$owner,$copyright,
  $hostname,$httphost)=@_;   $hostname,$httphost,$extrashow)=@_;
     my $result=<<END;      my $result=<<END;
 <pre>  <pre>
 &lt;LonCapaResource&gt;  &lt;LonCapaResource&gt;
Line 911  sub xml_sgml_view { Line 1008  sub xml_sgml_view {
 &lt;shortabstract&gt;$shortabstract&lt;/shortabstract&gt;  &lt;shortabstract&gt;$shortabstract&lt;/shortabstract&gt;
 &lt;/LonCapaResource&gt;  &lt;/LonCapaResource&gt;
 </pre>  </pre>
   $extrashow
 END  END
     return $result;      return $result;
 }  }
Line 926  sub build_date_queries { Line 1024  sub build_date_queries {
    "a starting month, day, and year and an ending month, ".     "a starting month, day, and year and an ending month, ".
    "day, and year.";     "day, and year.";
  }   }
  my $cnumeric1="$cyear1$cmonth1$cday1";   my $cnumeric1=sprintf("%d%2d%2d",$cyear1,$cmonth1,$cday1);
  $cnumeric1+=0;   $cnumeric1+=0;
  my $cnumeric2="$cyear2$cmonth2$cday2";   my $cnumeric2=sprintf("%d%2d%2d",$cyear2,$cmonth2,$cday2);
  $cnumeric2+=0;   $cnumeric2+=0;
  if ($cnumeric1>$cnumeric2) {   if ($cnumeric1>$cnumeric2) {
     return "Incorrect entry for the creation date.  The starting ".      return "Incorrect entry for the creation date.  The starting ".
Line 945  sub build_date_queries { Line 1043  sub build_date_queries {
    "specify a starting month, day, and year and an ending ".     "specify a starting month, day, and year and an ending ".
    "month, day, and year.";     "month, day, and year.";
  }   }
  my $lnumeric1="$lyear1$lmonth1$lday1";   my $lnumeric1=sprintf("%d%2d%2d",$lyear1,$lmonth1,$lday1);
  $lnumeric1+=0;   $lnumeric1+=0;
  my $lnumeric2="$lyear2$lmonth2$lday2";   my $lnumeric2=sprintf("%d%2d%2d",$lyear2,$lmonth2,$lday2);
  $lnumeric2+=0;   $lnumeric2+=0;
  if ($lnumeric1>$lnumeric2) {   if ($lnumeric1>$lnumeric2) {
     return "Incorrect entry for the last revision date.  The ".      return "Incorrect entry for the last revision date.  The ".
Line 966  sub build_date_queries { Line 1064  sub build_date_queries {
 sub output_date_error {  sub output_date_error {
     my ($r,$message)=@_;      my ($r,$message)=@_;
     # make query information persistent to allow for subsequent revision      # make query information persistent to allow for subsequent revision
     my $persistent='';      my $persistent=&make_persistent();
     map {  
  if (/^form\./ && !/submit/) {  
     my $name=$_;  
     my $key=$name;  
     $name=~s/^form\.//;  
     $persistent.=<<END;  
 <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>  
 END  
         }  
     } (keys %ENV);  
   
     $r->print(<<BEGINNING);      $r->print(<<BEGINNING);
 <html>  <html>
Line 1003  $message Line 1091  $message
 RESULTS  RESULTS
 }  }
   
   sub make_persistent {
       my $persistent='';
       
       map {
    if (/^form\./ && !/submit/) {
       my $name=$_;
       my $key=$name;
       $ENV{$key}=~s/\'//g; # do not mess with html field syntax
       $name=~s/^form\.//;
       $persistent.=<<END;
   <input type='hidden' name='$name' value='$ENV{$key}' />
   END
           }
       } (keys %ENV);
       return $persistent;
   }
 1;  1;
 __END__  __END__
Removed from v.1.62  
changed lines
  Added in v.1.89

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