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Diff for /loncom/interface/lonsearchcat.pm between versions 1.57 and 1.64

version 1.57, 2001/03/21 03:15:46 version 1.64, 2001/03/22 13:10:06
Line 477  sub advancedsearch { Line 477  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') {
    $ENV{"form.$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 494  sub advancedsearch { Line 506  sub advancedsearch {
   
     my @queries;      my @queries;
     # Go through logical expression AND/OR/NOT phrase fields.      # Go through logical expression AND/OR/NOT phrase fields.
     foreach my $field ('title','author','subject','notes','abstract') {  
       foreach my $field ('title','author','subject','notes','abstract','url',
          'keywords','version','owner') {
  if ($ENV{'form.'.$field}) {   if ($ENV{'form.'.$field}) {
     push @queries,&build_SQL_query($field,$ENV{'form.'.$field});      push @queries,&build_SQL_query($field,$ENV{'form.'.$field});
  }   }
     }      }
       if ($ENV{'form.language'} and $ENV{'form.language'} ne 'any') {
    push @queries,"(language like \"\%$ENV{'form.language'}\%\")";
       }
       if ($ENV{'form.mime'} and $ENV{'form.mime'} ne 'any') {
    push @queries,"(mime like \"\%$ENV{'form.mime'}\%\")";
       }
       if ($ENV{'form.copyright'} and $ENV{'form.copyright'} ne 'any') {
    push @queries,"(copyright like \"\%$ENV{'form.copyright'}\%\")";
       }
       my $datequery=&build_date_queries(
    $ENV{'form.creationdatestart_month'},
    $ENV{'form.creationdatestart_day'},
    $ENV{'form.creationdatestart_year'},
    $ENV{'form.creationdateend_month'},
    $ENV{'form.creationdateend_day'},
    $ENV{'form.creationdateend_year'},
    $ENV{'form.lastrevisiondatestart_month'},
    $ENV{'form.lastrevisiondatestart_day'},
    $ENV{'form.lastrevisiondatestart_year'},
    $ENV{'form.lastrevisiondateend_month'},
    $ENV{'form.lastrevisiondateend_day'},
    $ENV{'form.lastrevisiondateend_year'},
    );
       if ($datequery=~/^Incorrect/) {
    &output_date_error($r,$datequery);
    return OK;
       }
       elsif ($datequery) {
    push @queries,$datequery;
       }
       my $customquery;
       if ($ENV{'form.custommetadata'}) {
    $customquery=&build_custommetadata_query('custommetadata',
         $ENV{'form.custommetadata'});
       }
     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 $reply=&Apache::lonnet::metadata_query($query);
  &output_results('Advanced',$r,$envhash,$query,$reply);   &output_results('Advanced',$r,$envhash,$customquery,$reply);
     }      }
     else {      else {
  &output_results('Advanced',$r,$envhash,$query);   &output_results('Advanced',$r,$envhash,$query);
Line 527  sub basicsearch { Line 576  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 749  sub build_SQL_query { Line 803  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'};
       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 883  END Line 948  END
     return $result;      return $result;
 }  }
   
   sub build_date_queries {
       my ($cmonth1,$cday1,$cyear1,$cmonth2,$cday2,$cyear2,
    $lmonth1,$lday1,$lyear1,$lmonth2,$lday2,$lyear2)=@_;
       my @queries;
       if ($cmonth1 or $cday1 or $cyear1 or $cmonth2 or $cday2 or $cyear2) {
    unless ($cmonth1 and $cday1 and $cyear1 and
    $cmonth2 and $cday2 and $cyear2) {
       return "Incorrect entry for the creation date.  You must specify ".
      "a starting month, day, and year and an ending month, ".
      "day, and year.";
    }
    my $cnumeric1=sprintf("%d%2d%2d",$cyear1,$cmonth1,$cday1);
    $cnumeric1+=0;
    my $cnumeric2=sprintf("%d%2d%2d",$cyear2,$cmonth2,$cday2);
    $cnumeric2+=0;
    if ($cnumeric1>$cnumeric2) {
       return "Incorrect entry for the creation date.  The starting ".
      "date must occur before the ending date.";
    }
    my $cquery="(creationdate BETWEEN '$cyear1-$cmonth1-$cday1' AND '".
              "$cyear2-$cmonth2-$cday2 23:59:59')";
    push @queries,$cquery;
       }
       if ($lmonth1 or $lday1 or $lyear1 or $lmonth2 or $lday2 or $lyear2) {
    unless ($lmonth1 and $lday1 and $lyear1 and
    $lmonth2 and $lday2 and $lyear2) {
       return "Incorrect entry for the last revision date.  You must ".
      "specify a starting month, day, and year and an ending ".
      "month, day, and year.";
    }
    my $lnumeric1=sprintf("%d%2d%2d",$lyear1,$lmonth1,$lday1);
    $lnumeric1+=0;
    my $lnumeric2=sprintf("%d%2d%2d",$lyear2,$lmonth2,$lday2);
    $lnumeric2+=0;
    if ($lnumeric1>$lnumeric2) {
       return "Incorrect entry for the last revision date.  The ".
      "starting date must occur before the ending date.";
    }
    my $lquery="(lastrevisiondate BETWEEN '$lyear1-$lmonth1-$lday1' AND '".
              "$lyear2-$lmonth2-$lday2 23:59:59')";
    push @queries,$lquery;
       }
       if (@queries) {
    return join(" AND ",@queries);
       }
       return '';
   }
   
   sub output_date_error {
       my ($r,$message)=@_;
       # make query information persistent to allow for subsequent revision
       my $persistent='';
       map {
    if (/^form\./ && !/submit/) {
       my $name=$_;
       my $key=$name;
       $name=~s/^form\.//;
       $persistent.=<<END;
   <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>
   END
           }
       } (keys %ENV);
   
       $r->print(<<BEGINNING);
   <html>
   <head>
   <title>The LearningOnline Network with CAPA</title>
   BEGINNING
       $r->print(<<RESULTS);
   </head>
   <body bgcolor="#ffffff">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
   <h1>Search Catalog</h1>
   <form method="post" action="/adm/searchcat">
   $persistent
   <input type='button' value='Revise search request'
   onClick='this.form.submit();'>
   $closebutton
   <hr>
   <h3>Helpful Message</h3>
   <p>
   $message
   </p>
   </body>
   </html>
   RESULTS
   }
   
   sub make_persistent {
       $ENV{"form.$field"}=~s/\"/\\\"/g;
   }
 1;  1;
 __END__  __END__
Removed from v.1.57  
changed lines
  Added in v.1.64

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