kumara/C4/Search.pm

package C4::Search; #asummes C4/Search

#requires DBI.pm to be installed
#uses DBD:Pg

use strict;
require Exporter;
use DBI;
use C4::Database;

use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
  
# set the version for version checking
$VERSION = 0.01;
    
@ISA = qw(Exporter);
@EXPORT = qw(&CatSearch &BornameSearch &ItemInfo);
%EXPORT_TAGS = ( );     # eg: TAG => [ qw!name1 name2! ],
		  
# your exported package globals go here,
# as well as any optionally exported functions

@EXPORT_OK   = qw($Var1 %Hashit);


# non-exported package globals go here
use vars qw(@more $stuff);
	
# initalize package globals, first exported ones

my $Var1   = '';
my %Hashit = ();
		    
# then the others (which are still accessible as $Some::Module::stuff)
my $stuff  = '';
my @more   = ();
	
# all file-scoped lexicals must be created before
# the functions below that use them.
		
# file-private lexicals go here
my $priv_var    = '';
my %secret_hash = ();
			    
# here's a file-private function as a closure,
# callable as &$priv_func;  it cannot be prototyped.
my $priv_func = sub {
  # stuff goes here.
};
						    
# make all your functions, whether exported or not;

sub CatSearch  {
  my ($env,$type,$search,$num,$offset)=@_;
  my $dbh = &C4Connect;
  my $query = '';
  if ($type eq 'loose') {
      $query="Select count(*) from biblio,catalogueentry"; 
      if ($search->{'author'} ne ''){
        $query=$query." where (catalogueentry.catalogueentry = biblio.author)
         and (catalogueentry.catalogueentry like '$search->{'author'}%') 
         and (entrytype = 'a')";
      }
      if ($search->{'title'} ne ''){
         if ($query =~ /where/){
	    $query=$query." and ";
	 } else {
   	    $query=$query." where ";
	 }
	 $query=$query."((catalogueentry.catalogueentry = biblio.title)
         and (catalogueentry.catalogueentry like '%$search->{'title'}%') 
         and (entrytype = 't'))";
      }
  } 
  if ($type eq 'subject'){
      if ($search->{'subject'} ne ''){
         if ($query =~ /where/){
	    $query=$query." and ";
	 } else {
   	    $query=$query." where ";
	 }
	 $search->{'subject'}=uc $search->{'subject'};
	 $query=~ s/biblio,catalogueentry/biblio,catalogueentry,bibliosubject/;
	 $query=$query." ((catalogueentry.catalogueentry = bibliosubject.subject)
         and (bibliosubject.biblionumber = biblio.biblionumber)                 
	 and (catalogueentry.catalogueentry like '$search->{'subject'}%') 
	 and (entrytype like 's%'))"; 
      }
   }
   if ($type eq 'precise'){
      $query="select count(*) from items,biblio ";
      if ($search->{'item'} ne ''){
        my $search2=uc $search->{'item'};
        $query=$query." where barcode='$search2' and
        items.biblionumber=biblio.biblionumber ";
      }
      if ($search->{'isbn'} ne ''){
        my $search2=uc $search->{'isbn'};
        $query=$query." where isbn='$search2' and
        items.biblionumber=biblio.biblionumber ";
      }
    }
#  print "$query\n";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  my $count=$sth->fetchrow_hashref;
  $sth->finish;
  $query=~ s/count\(\*\)/\*/g;
  if ($type ne 'precise'){
    $query=$query." order by catalogueentry.catalogueentry limit $num,$offset";
  }
  $sth=$dbh->prepare($query);
  $sth->execute;
  my $i=0;
  my @results;
  while (my $data=$sth->fetchrow_hashref){
#   print "$data->{'catalogueentry'}
#   $data->{'biblionumber'} \n";
#    $results[$i]=ItemInfo($env,$data->{'biblionumber'}); 
    $results[$i]="$data->{'biblionumber'}\t$data->{'title'}\t
    $data->{'author'}";
    $i++;
  }
  $sth->finish;
  $dbh->disconnect;
  return($count->{'count'},@results);
}

sub ItemInfo {
  my ($env,$biblionumber,$title)=@_;
  my $dbh = &C4Connect;
  my $query="Select * from items 
  where (biblionumber = '$biblionumber')";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  my $i=0;
  my @results;
  while (my $data=$sth->fetchrow_hashref){
    my $iquery = "Select * from issues
    where itemnumber = '$data->{'itemnumber'}'
    and returndate is null";
    my $datedue = '';
    my $isth=$dbh->prepare($iquery);
    $isth->execute;
    if (my $idata=$isth->fetchrow_hashref){
      $datedue = $idata->{'date_due'};
    }
    $isth->finish;
     $results[$i]="$title\t$data->{'itemnumber'}\t$datedue";
     $i++;
  }
  $sth->finish;
  $dbh->disconnect;
  return(@results);
}

sub BornameSearch  {
  my ($env,$searchstring,$type)=@_;
  my $dbh = &C4Connect;
  my $query="Select * from borrowers where surname like
  '%$searchstring%' or firstname like '%$searchstring%' or othernames like 
  '%$searchstring'";
  print $query,"\n";
  my $sth=$dbh->prepare($query);
  $sth->execute;
  while (my @data=$sth->fetchrow_array){
    print "$data[0] $data[2]\n";
  }
  $sth->execute;
  $sth->finish;
  $dbh->disconnect;
}
			    
END { }       # module clean-up code here (global destructor)