(bug #4491) fix weird code in search scripts
[koha.git] / opac / opac-detail.pl
index 5777a80..5940fb0 100755 (executable)
 
 
 use strict;
-require Exporter;
+use warnings;
+
 use CGI;
 use C4::Auth;
+use C4::Branch;
 use C4::Koha;
 use C4::Serials;    #uses getsubscriptionfrom biblionumber
 use C4::Output;
 use C4::Biblio;
 use C4::Items;
+use C4::Circulation;
+use C4::Tags qw(get_tags);
 use C4::Dates qw/format_date/;
-use C4::XISBN qw(get_xisbns get_biblio_from_xisbn);
-use C4::Amazon;
+use C4::XISBN qw(get_xisbns get_biblionumber_from_isbn get_biblio_from_xisbn);
+use C4::External::Amazon;
 use C4::Review;
-use C4::Serials;
 use C4::Members;
+use C4::XSLT;
+
+BEGIN {
+       if (C4::Context->preference('BakerTaylorEnabled')) {
+               require C4::External::BakerTaylor;
+               import C4::External::BakerTaylor qw(&image_url &link_url);
+       }
+}
 
 my $query = new CGI;
 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
@@ -46,28 +57,57 @@ my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 );
 
 my $biblionumber = $query->param('biblionumber') || $query->param('bib');
+
+$template->param( 'AllowOnShelfHolds' => C4::Context->preference('AllowOnShelfHolds') );
+$template->param( 'ItemsIssued' => CountItemsIssued( $biblionumber ) );
+$template->param(C4::Search::enabled_opac_search_views);
+
+my $record       = GetMarcBiblio($biblionumber);
+if ( ! $record ) {
+    print $query->redirect("/cgi-bin/koha/errors/404.pl");
+    exit;
+}
 $template->param( biblionumber => $biblionumber );
+# XSLT processing of some stuff
+if (C4::Context->preference("XSLTDetailsDisplay") ) {
+    $template->param(
+        'XSLTBloc' => XSLTParse4Display($biblionumber, $record, C4::Context->preference("XSLTDetailsDisplay")) );
+}
 
 # change back when ive fixed request.pl
-my @items = &GetItemsInfo( $biblionumber, 'opac' );
+my @all_items = &GetItemsInfo( $biblionumber, 'opac' );
+my @items;
+@items = @all_items unless C4::Context->preference('hidelostitems');
+
+if (C4::Context->preference('hidelostitems')) {
+    # Hide host items
+    for my $itm (@all_items) {
+        push @items, $itm unless $itm->{itemlost};
+    }
+}
 my $dat = &GetBiblioData($biblionumber);
 
-if (!$dat) {
-    print $query->redirect("/cgi-bin/koha/koha-tmpl/errors/404.pl");
-    exit;
+my $itemtypes = GetItemTypes();
+# imageurl:
+my $itemtype = $dat->{'itemtype'};
+if ( $itemtype ) {
+    $dat->{'imageurl'}    = getitemtypeimagelocation( 'opac', $itemtypes->{$itemtype}->{'imageurl'} );
+    $dat->{'description'} = $itemtypes->{$itemtype}->{'description'};
 }
+my $shelflocations =GetKohaAuthorisedValues('items.location',$dat->{'frameworkcode'});
+my $collections =  GetKohaAuthorisedValues('items.ccode',$dat->{'frameworkcode'} );
 
 #coping with subscriptions
 my $subscriptionsnumber = CountSubscriptionFromBiblionumber($biblionumber);
-my @subscriptions       =
-  GetSubscriptions( $dat->{title}, $dat->{issn}, $biblionumber );
+my @subscriptions       = GetSubscriptions( $dat->{title}, $dat->{issn}, $biblionumber );
 my @subs;
-$dat->{'serial'}=1 if $subscriptionsnumber;
+$dat->{'serials'}=1 if $subscriptionsnumber;
 foreach my $subscription (@subscriptions) {
     my %cell;
     $cell{subscriptionid}    = $subscription->{subscriptionid};
     $cell{subscriptionnotes} = $subscription->{notes};
-
+    $cell{branchcode}        = $subscription->{branchcode};
+    $cell{hasalert}          = $subscription->{hasalert};
     #get the three latest serials.
     $cell{latestserials} =
       GetLatestSerials( $subscription->{subscriptionid}, 3 );
@@ -76,69 +116,124 @@ foreach my $subscription (@subscriptions) {
 
 $dat->{'count'} = scalar(@items);
 
-#adding RequestOnOpac filter to allow or not the display of plce reserve button
-# FIXME - use me or delete me.
-my $RequestOnOpac;
-if (C4::Context->preference("RequestOnOpac")) {
-    $RequestOnOpac = 1;
-}
+my $biblio_authorised_value_images = C4::Items::get_authorised_value_images( C4::Biblio::get_biblio_authorised_values( $biblionumber, $record ) );
 
 my $norequests = 1;
-foreach my $itm (@items) {
-     $norequests = 0 && $norequests
+my $branches = GetBranches();
+my %itemfields;
+for my $itm (@items) {
+    $norequests = 0
        if ( (not $itm->{'wthdrawn'} )
-         || (not $itm->{'itemlost'} )
-         || (not $itm->{'itemnotforloan'} )
-         || ($itm->{'itemnumber'} ) );
+         && (not $itm->{'itemlost'} )
+         && ($itm->{'itemnotforloan'}<0 || not $itm->{'itemnotforloan'} )
+                && (not $itemtypes->{$itm->{'itype'}}->{notforloan} )
+         && ($itm->{'itemnumber'} ) );
+
+    if ( defined $itm->{'publictype'} ) {
+        # I can't actually find any case in which this is defined. --amoore 2008-12-09
         $itm->{ $itm->{'publictype'} } = 1;
+    }
+    $itm->{datedue}      = format_date($itm->{datedue});
+    $itm->{datelastseen} = format_date($itm->{datelastseen});
 
-        #get collection code description, too
-        $itm->{'ccode'}  = GetAuthorisedValueDesc('','',   $itm->{'ccode'} ,'','','CCODE');
-}
+    # get collection code description, too
+    if ( my $ccode = $itm->{'ccode'} ) {
+        $itm->{'ccode'} = $collections->{$ccode} if ( defined($collections) && exists( $collections->{$ccode} ) );
+    }
+    if ( defined $itm->{'location'} ) {
+        $itm->{'location_description'} = $shelflocations->{ $itm->{'location'} };
+    }
+    if (exists $itm->{itype} && defined($itm->{itype}) && exists $itemtypes->{ $itm->{itype} }) {
+        $itm->{'imageurl'}    = getitemtypeimagelocation( 'opac', $itemtypes->{ $itm->{itype} }->{'imageurl'} );
+        $itm->{'description'} = $itemtypes->{ $itm->{itype} }->{'description'};
+    }
+    foreach (qw(ccode enumchron copynumber itemnotes uri)) {
+        $itemfields{$_} = 1 if ($itm->{$_});
+    }
+
+     # walk through the item-level authorised values and populate some images
+     my $item_authorised_value_images = C4::Items::get_authorised_value_images( C4::Items::get_item_authorised_values( $itm->{'itemnumber'} ) );
+     # warn( Data::Dumper->Dump( [ $item_authorised_value_images ], [ 'item_authorised_value_images' ] ) );
 
-$template->param( norequests => $norequests, RequestOnOpac=>$RequestOnOpac );
+     if ( $itm->{'itemlost'} ) {
+         my $lostimageinfo = List::Util::first { $_->{'category'} eq 'LOST' } @$item_authorised_value_images;
+         $itm->{'lostimageurl'}   = $lostimageinfo->{ 'imageurl' };
+         $itm->{'lostimagelabel'} = $lostimageinfo->{ 'label' };
+     }
+
+     if( $itm->{'count_reserves'}){
+          if( $itm->{'count_reserves'} eq "Waiting"){ $itm->{'waiting'} = 1; }
+          if( $itm->{'count_reserves'} eq "Reserved"){ $itm->{'onhold'} = 1; }
+     }
+    
+     my ( $transfertwhen, $transfertfrom, $transfertto ) = GetTransfers($itm->{itemnumber});
+     if ( defined( $transfertwhen ) && $transfertwhen ne '' ) {
+        $itm->{transfertwhen} = format_date($transfertwhen);
+        $itm->{transfertfrom} = $branches->{$transfertfrom}{branchname};
+        $itm->{transfertto}   = $branches->{$transfertto}{branchname};
+     }
+}
 
 ## get notes and subjects from MARC record
-    my $dbh              = C4::Context->dbh;
-    my $marcflavour      = C4::Context->preference("marcflavour");
-    my $record           = GetMarcBiblio($biblionumber);
-    my $marcnotesarray   = GetMarcNotes( $record, $marcflavour );
-    my $marcauthorsarray = GetMarcAuthors( $record, $marcflavour );
-    my $marcsubjctsarray = GetMarcSubjects( $record, $marcflavour );
-    my $marcseriesarray  = GetMarcSeries($record,$marcflavour);
-    my $marcurlsarray   = GetMarcUrls($record,$marcflavour);
+my $dbh              = C4::Context->dbh;
+my $marcflavour      = C4::Context->preference("marcflavour");
+my $normalized_isbn  = GetNormalizedISBN($dat->{isbn},$record,$marcflavour);
+my $marcnotesarray   = GetMarcNotes     ($record,$marcflavour);
+my $marcauthorsarray = GetMarcAuthors   ($record,$marcflavour);
+my $marcsubjctsarray = GetMarcSubjects  ($record,$marcflavour);
+my $marcseriesarray  = GetMarcSeries    ($record,$marcflavour);
+my $marcurlsarray    = GetMarcUrls      ($record,$marcflavour);
+my $subtitle         = GetRecordValue('subtitle', $record, GetFrameworkCode($biblionumber));
 
     $template->param(
-        MARCNOTES   => $marcnotesarray,
-        MARCSUBJCTS => $marcsubjctsarray,
-        MARCAUTHORS => $marcauthorsarray,
-        MARCSERIES  => $marcseriesarray,
-        MARCURLS    => $marcurlsarray,
+                     normalized_oclc         => GetNormalizedOCLCNumber($record,$marcflavour),
+                     normalized_upc          => GetNormalizedUPC       ($record,$marcflavour),
+                     normalized_isbn         => $normalized_isbn,
+                     MARCNOTES               => $marcnotesarray,
+                     MARCSUBJCTS             => $marcsubjctsarray,
+                     MARCAUTHORS             => $marcauthorsarray,
+                     MARCSERIES              => $marcseriesarray,
+                     MARCURLS                => $marcurlsarray,
+                     norequests              => $norequests,
+                     RequestOnOpac           => C4::Context->preference("RequestOnOpac"),
+                     itemdata_ccode          => $itemfields{ccode},
+                     itemdata_enumchron      => $itemfields{enumchron},
+                     itemdata_uri            => $itemfields{uri},
+                     itemdata_copynumber     => $itemfields{copynumber},
+                     itemdata_itemnotes          => $itemfields{itemnotes},
+                     authorised_value_images => $biblio_authorised_value_images,
+                     subtitle                => $subtitle,
     );
 
 foreach ( keys %{$dat} ) {
-    $template->param( "$_" => $dat->{$_} . "" );
+    $template->param( "$_" => defined $dat->{$_} ? $dat->{$_} : '' );
 }
 
 # COinS format FIXME: for books Only
-my $coins_format;
-my $fmt = substr $record->leader(), 6,2;
-my $fmts;
-$fmts->{'am'} = 'book';
-$coins_format = $fmts->{$fmt};
 $template->param(
-       ocoins_format => $coins_format,
+    ocoins => GetCOinSBiblio($biblionumber),
 );
 
 my $reviews = getreviews( $biblionumber, 1 );
+my $loggedincommenter;
 foreach ( @$reviews ) {
-    my $borrower_number_review = $_->{borrowernumber};
-    my $borrowerData           = GetMember($borrower_number_review,'borrowernumber');
+    my $borrowerData   = GetMember($_->{borrowernumber},'borrowernumber');
     # setting some borrower info into this hash
     $_->{title}     = $borrowerData->{'title'};
     $_->{surname}   = $borrowerData->{'surname'};
     $_->{firstname} = $borrowerData->{'firstname'};
+    $_->{userid}    = $borrowerData->{'userid'};
+    $_->{cardnumber}    = $borrowerData->{'cardnumber'};
     $_->{datereviewed} = format_date($_->{datereviewed});
+    if ($borrowerData->{'borrowernumber'} eq $borrowernumber) {
+               $_->{your_comment} = 1;
+               $loggedincommenter = 1;
+       }
+}
+
+
+if(C4::Context->preference("ISBD")) {
+       $template->param(ISBD => 1);
 }
 
 $template->param(
@@ -147,65 +242,204 @@ $template->param(
     biblionumber        => $biblionumber,
     subscriptions       => \@subs,
     subscriptionsnumber => $subscriptionsnumber,
-    reviews             => $reviews
+    reviews             => $reviews,
+    loggedincommenter   => $loggedincommenter
 );
 
+
 # XISBN Stuff
-my $xisbn=$dat->{'isbn'};
-$xisbn =~ s/(p|-| |:)//g;
-$template->param(amazonisbn => $xisbn);
+
 if (C4::Context->preference("OPACFRBRizeEditions")==1) {
     eval {
         $template->param(
-            xisbn => $xisbn,
-            XISBNS => get_xisbns($xisbn)
+            XISBNS => get_xisbns($normalized_isbn)
         );
     };
     if ($@) { warn "XISBN Failed $@"; }
 }
-if ( C4::Context->preference("OPACAmazonContent") == 1 ) {
-    my $amazon_details = &get_amazon_details( $xisbn );
-    foreach my $result ( @{ $amazon_details->{Details} } ) {
-        $template->param( item_description => $result->{ProductDescription} );
-        $template->param( image            => $result->{ImageUrlMedium} );
-        $template->param( list_price       => $result->{ListPrice} );
-        $template->param( amazon_url       => $result->{url} );
-    }
+# Amazon.com Stuff
+if ( C4::Context->preference("OPACAmazonEnabled") ) {
+    $template->param( AmazonTld => get_amazon_tld() );
+}
+if ( C4::Context->preference("OPACAmazonEnabled") && C4::Context->preference("OPACAmazonSimilarItems") ) {
+    my $similar_products_exist;
+    my $amazon_reviews  = C4::Context->preference("AmazonReviews");
+    my $amazon_similars = C4::Context->preference("AmazonSimilarItems");
+    my @services;
+    my $amazon_details = &get_amazon_details( $normalized_isbn, $record, $marcflavour, \@services );
 
-    my @products;
-    my @reviews;
-    for my $details ( @{ $amazon_details->{Details} } ) {
-        next unless $details->{SimilarProducts};
-        for my $product ( @{ $details->{SimilarProducts}->{Product} } ) {
-            if (C4::Context->preference("OPACAmazonSimilarItems") ) {
-                my $xbiblios;
-                my @xisbns;
-
-                if (C4::Context->preference("OPACXISBNAmazonSimilarItems") ) {
-                    my $xbiblio = get_biblio_from_xisbn($product);
-                    push @xisbns, $xbiblio;
-                    $xbiblios = \@xisbns;
-                }
-                else {
-                    $xbiblios = get_xisbns($product);
-                }
-                push @products, +{ product => $xbiblios };
+    if ( $amazon_reviews ) {
+       
+        my $item = $amazon_details->{Items}->{Item}->[0];
+        my $customer_reviews = \@{ $item->{CustomerReviews}->{Review} };
+        for my $one_review ( @$customer_reviews ) {
+            $one_review->{Date} = format_date($one_review->{Date});
+        }
+        my $editorial_reviews = \@{ $item->{EditorialReviews}->{EditorialReview} };
+        my $average_rating = $item->{CustomerReviews}->{AverageRating} || 0;
+        $template->param( amazon_average_rating    => $average_rating * 20);
+        $template->param( AMAZON_CUSTOMER_REVIEWS  => $customer_reviews );
+        $template->param( AMAZON_EDITORIAL_REVIEWS => $editorial_reviews );
+    }
+    if ( $amazon_similars ) {
+        my $item = $amazon_details->{Items}->{Item}->[0];
+        my @similar_products;
+        for my $similar_product (@{ $item->{SimilarProducts}->{SimilarProduct} }) {
+            # do we have any of these isbns in our collection?
+            my $similar_biblionumbers = get_biblionumber_from_isbn($similar_product->{ASIN});
+            # verify that there is at least one similar item
+            if (scalar(@$similar_biblionumbers)){
+                $similar_products_exist++ if ($similar_biblionumbers && $similar_biblionumbers->[0]);
+                push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN}  };
             }
         }
-        next unless $details->{Reviews};
-        for my $product ( @{ $details->{Reviews}->{AvgCustomerRating} } ) {
-            $template->param( rating => $product * 20 );
+       $template->param( OPACAmazonSimilarItems => $similar_products_exist );
+       $template->param( AMAZON_SIMILAR_PRODUCTS => \@similar_products );
+    }    
+    
+}
+
+# Babelthèque
+if ( C4::Context->preference("Babeltheque") ) {
+    $template->param( 
+        Babeltheque => 1,
+    );
+}
+
+# Shelf Browser Stuff
+if (C4::Context->preference("OPACShelfBrowser")) {
+    # pick the first itemnumber unless one was selected by the user
+    my $starting_itemnumber = $query->param('shelfbrowse_itemnumber'); # || $items[0]->{itemnumber};
+    $template->param( OpenOPACShelfBrowser => 1) if $starting_itemnumber;
+    # find the right cn_sort value for this item
+    my ($starting_cn_sort, $starting_homebranch, $starting_location);
+    my $sth_get_cn_sort = $dbh->prepare("SELECT cn_sort,homebranch,location from items where itemnumber=?");
+    $sth_get_cn_sort->execute($starting_itemnumber);
+    while (my $result = $sth_get_cn_sort->fetchrow_hashref()) {
+        $starting_cn_sort = $result->{'cn_sort'};
+        $starting_homebranch->{code} = $result->{'homebranch'};
+        $starting_homebranch->{description} = $branches->{$result->{'homebranch'}}{branchname};
+        $starting_location->{code} = $result->{'location'};
+        $starting_location->{description} = GetAuthorisedValueDesc('','',   $result->{'location'} ,'','','LOC');
+    
+    }
+    
+    ## List of Previous Items
+    # order by cn_sort, which should include everything we need for ordering purposes (though not
+    # for limits, those need to be handled separately
+    my $sth_shelfbrowse_previous;
+    if (defined $starting_location->{code}) {
+      $sth_shelfbrowse_previous = $dbh->prepare("
+        SELECT *
+        FROM items
+        WHERE
+            ((cn_sort = ? AND itemnumber < ?) OR cn_sort < ?) AND
+            homebranch = ? AND location = ?
+        ORDER BY cn_sort DESC, itemnumber LIMIT 3
+        ");
+      $sth_shelfbrowse_previous->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code}, $starting_location->{code});
+    } else {
+      $sth_shelfbrowse_previous = $dbh->prepare("
+        SELECT *
+        FROM items
+        WHERE
+            ((cn_sort = ? AND itemnumber < ?) OR cn_sort < ?) AND
+            homebranch = ?
+        ORDER BY cn_sort DESC, itemnumber LIMIT 3
+        ");
+      $sth_shelfbrowse_previous->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code});
+    }
+    my @previous_items;
+    while (my $this_item = $sth_shelfbrowse_previous->fetchrow_hashref()) {
+        my $sth_get_biblio = $dbh->prepare("SELECT biblio.*,biblioitems.isbn AS isbn FROM biblio LEFT JOIN biblioitems ON biblio.biblionumber=biblioitems.biblionumber WHERE biblio.biblionumber=?");
+        $sth_get_biblio->execute($this_item->{biblionumber});
+        while (my $this_biblio = $sth_get_biblio->fetchrow_hashref()) {
+            $this_item->{'title'} = $this_biblio->{'title'};
         }
-        for my $reviews ( @{ $details->{Reviews}->{CustomerReview} } ) {
-            push @reviews,
-              +{
-                summary => $reviews->{Summary},
-                comment => $reviews->{Comment},
-              };
+        unshift @previous_items, $this_item;
+    }
+    
+    ## List of Next Items; this also intentionally catches the current item
+    my $sth_shelfbrowse_next;
+    if (defined $starting_location->{code}) {
+      $sth_shelfbrowse_next = $dbh->prepare("
+        SELECT *
+        FROM items
+        WHERE
+            ((cn_sort = ? AND itemnumber >= ?) OR cn_sort > ?) AND
+            homebranch = ? AND location = ?
+        ORDER BY cn_sort, itemnumber LIMIT 3
+        ");
+      $sth_shelfbrowse_next->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code}, $starting_location->{code});
+    } 
+    else {
+      $sth_shelfbrowse_next = $dbh->prepare("
+        SELECT *
+        FROM items
+        WHERE
+            ((cn_sort = ? AND itemnumber >= ?) OR cn_sort > ?) AND
+            homebranch = ?
+        ORDER BY cn_sort, itemnumber LIMIT 3
+        ");
+      $sth_shelfbrowse_next->execute($starting_cn_sort, $starting_itemnumber, $starting_cn_sort, $starting_homebranch->{code});
+    }
+    my @next_items;
+    while (my $this_item = $sth_shelfbrowse_next->fetchrow_hashref()) {
+        my $sth_get_biblio = $dbh->prepare("SELECT biblio.*,biblioitems.isbn AS isbn FROM biblio LEFT JOIN biblioitems ON biblio.biblionumber=biblioitems.biblionumber WHERE biblio.biblionumber=?");
+        $sth_get_biblio->execute($this_item->{biblionumber});
+        while (my $this_biblio = $sth_get_biblio->fetchrow_hashref()) {
+            $this_item->{'title'} = $this_biblio->{'title'};
         }
+        push @next_items, $this_item;
     }
-    $template->param( SIMILAR_PRODUCTS => \@products );
-    $template->param( AMAZONREVIEWS    => \@reviews );
+
+
+    # alas, these won't auto-vivify, see http://www.perlmonks.org/?node_id=508481
+    my $shelfbrowser_next_itemnumber = $next_items[-1]->{itemnumber} if @next_items;
+    my $shelfbrowser_next_biblionumber = $next_items[-1]->{biblionumber} if @next_items;
+    
+    $template->param(
+        starting_homebranch => $starting_homebranch->{description},
+        starting_location => $starting_location->{description},
+        starting_itemnumber => $starting_itemnumber,
+        shelfbrowser_prev_itemnumber => (@previous_items ? $previous_items[0]->{itemnumber} : 0),
+        shelfbrowser_next_itemnumber => $shelfbrowser_next_itemnumber,
+        shelfbrowser_prev_biblionumber => (@previous_items ? $previous_items[0]->{biblionumber} : 0),
+        shelfbrowser_next_biblionumber => $shelfbrowser_next_biblionumber,
+        PREVIOUS_SHELF_BROWSE => \@previous_items,
+        NEXT_SHELF_BROWSE => \@next_items,
+    );
+}
+
+if (C4::Context->preference("BakerTaylorEnabled")) {
+       $template->param(
+               BakerTaylorEnabled  => 1,
+               BakerTaylorImageURL => &image_url(),
+               BakerTaylorLinkURL  => &link_url(),
+               BakerTaylorBookstoreURL => C4::Context->preference('BakerTaylorBookstoreURL'),
+       );
+       my ($bt_user, $bt_pass);
+       if ($normalized_isbn and
+               $bt_user = C4::Context->preference('BakerTaylorUsername') and
+               $bt_pass = C4::Context->preference('BakerTaylorPassword')    )
+       {
+               $template->param(
+               BakerTaylorContentURL   =>
+               sprintf("http://contentcafe2.btol.com/ContentCafeClient/ContentCafe.aspx?UserID=%s&Password=%s&ItemKey=%s&Options=Y",
+                               $bt_user,$bt_pass,$normalized_isbn)
+               );
+       }
+}
+
+my $tag_quantity;
+if (C4::Context->preference('TagsEnabled') and $tag_quantity = C4::Context->preference('TagsShowOnDetail')) {
+       $template->param(
+               TagsEnabled => 1,
+               TagsShowOnDetail => $tag_quantity,
+               TagsInputOnDetail => C4::Context->preference('TagsInputOnDetail')
+       );
+       $template->param(TagLoop => get_tags({biblionumber=>$biblionumber, approved=>1,
+                                                               'sort'=>'-weight', limit=>$tag_quantity}));
 }
 
 output_html_with_http_headers $query, $cookie, $template->output;