C4/VirtualShelves/Page.pm

   1 package C4::VirtualShelves::Page;
   2
   3 #
   4 # Copyright 2000-2002 Katipo Communications
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20
  21 # perldoc at the end of the file, per convention.
  22
  23 use strict;
  24 use warnings;
  25
  26 use CGI qw ( -utf8 );
  27 use Exporter;
  28 use Data::Dumper;
  29
  30 use C4::VirtualShelves qw/:DEFAULT ShelvesMax/;
  31 use C4::Biblio;
  32 use C4::Items;
  33 use C4::Reserves;
  34 use C4::Koha;
  35 use C4::Auth qw/get_session/;
  36 use C4::Members;
  37 use C4::Output;
  38 use C4::Dates qw/format_date/;
  39 use C4::Tags qw(get_tags);
  40 use C4::Csv;
  41 use C4::XSLT;
  42
  43 use constant VIRTUALSHELVES_COUNT => 20;
  44
  45 use vars qw($debug @EXPORT @ISA $VERSION);
  46
  47 BEGIN {
  48     $VERSION = 3.07.00.049;
  49     @ISA     = qw(Exporter);
  50     @EXPORT  = qw(&shelfpage);
  51     $debug   = $ENV{DEBUG} || 0;
  52 }
  53
  54 our %pages = (
  55     intranet => { redirect => '/cgi-bin/koha/virtualshelves/shelves.pl', },
  56     opac     => { redirect => '/cgi-bin/koha/opac-shelves.pl', },
  57 );
  58
  59 sub shelfpage {
  60     my ( $type, $query, $template, $loggedinuser, $cookie ) = @_;
  61     ( $pages{$type} ) or $type = 'opac';
  62     $query            or die "No query";
  63     $template         or die "No template";
  64     $template->param(
  65     loggedinuser => $loggedinuser,
  66     OpacAllowPublicListCreation => C4::Context->preference('OpacAllowPublicListCreation'),
  67     );
  68     my $edit;
  69     my $shelves;
  70     my @paramsloop;
  71     my $totitems;
  72     my $shelfoff    = ( $query->param('shelfoff') ? $query->param('shelfoff') : 1 );
  73     $template->{VARS}->{'shelfoff'} = $shelfoff;
  74     my $itemoff     = ( $query->param('itemoff')  ? $query->param('itemoff')  : 1 );
  75     my $displaymode = ( $query->param('display')  ? $query->param('display')  : 'publicshelves' );
  76     my ( $shelflimit, $shelfoffset, $shelveslimit, $shelvesoffset );
  77     my $marcflavour = C4::Context->preference("marcflavour");
  78
  79     $shelflimit = ( $type eq 'opac' ? C4::Context->preference('OPACnumSearchResults') : C4::Context->preference('numSearchResults') );
  80     $shelflimit = $shelflimit || ShelvesMax('MGRPAGE');
  81     $shelfoffset   = ( $itemoff - 1 ) * $shelflimit;     # Sets the offset to begin retrieving items at
  82     $shelveslimit  = $shelflimit;                        # Limits number of shelves returned for a given query (row_count)
  83     $shelvesoffset = ( $shelfoff - 1 ) * $shelflimit;    # Sets the offset to begin retrieving shelves at (offset)
  84                                                 # getting the Shelves list
  85     my $category = ( ( $displaymode eq 'privateshelves' ) ? 1 : 2 );
  86     my $shelflist = GetShelves( $category, $shelveslimit, $shelvesoffset, $loggedinuser );
  87     my $totshelves = C4::VirtualShelves::GetShelfCount( $loggedinuser, $category );
  88
  89     my $op = $query->param('op');
  90
  91     # the format of this is unindented for ease of diff comparison to the old script
  92     # Note: do not mistake the assignment statements below for comparisons!
  93     if ( $query->param('modifyshelfcontents') ) {
  94         my ( $shelfnumber, $barcode, $item, $biblio );
  95         if ( $shelfnumber = $query->param('viewshelf') ) {
  96             #add to shelf
  97             if($barcode = $query->param('addbarcode') ) {
  98                 if(ShelfPossibleAction( $loggedinuser, $shelfnumber, 'add')) {
  99                     $item = GetItem( 0, $barcode);
 100                     if (defined $item && $item->{'itemnumber'}) {
 101                         $biblio = GetBiblioFromItemNumber( $item->{'itemnumber'} );
 102                         AddToShelf( $biblio->{'biblionumber'}, $shelfnumber, $loggedinuser)
 103                           or push @paramsloop, { duplicatebiblio => $barcode };
 104                     }
 105                     else {
 106                         push @paramsloop, { failgetitem => $barcode };
 107                     }
 108                 }
 109                 else {
 110                     push @paramsloop, { nopermission => $shelfnumber };
 111                 }
 112             }
 113             elsif(grep { /REM-(\d+)/ } $query->param) {
 114             #remove item(s) from shelf
 115                 if(ShelfPossibleAction($loggedinuser, $shelfnumber, 'delete')) {
 116                 #This is just a general okay; DelFromShelf checks further
 117                     my @bib;
 118                     foreach($query->param) {
 119                         /REM-(\d+)/ or next;
 120                         push @bib, $1; #$1 is biblionumber
 121                     }
 122                     my $t= DelFromShelf(\@bib, $shelfnumber, $loggedinuser);
 123                     if($t==0) {
 124                         push @paramsloop, {nothingdeleted => $shelfnumber};
 125                     }
 126                     elsif($t<@bib) {
 127                         push @paramsloop, {somedeleted => $shelfnumber};
 128                     }
 129                 }
 130                 else {
 131                     push @paramsloop, { nopermission => $shelfnumber };
 132                 }
 133             }
 134         }
 135         else {
 136             push @paramsloop, { noshelfnumber => 1 };
 137         }
 138     }
 139
 140     my $showadd = 1;
 141
 142     # set the default tab, etc. (for OPAC)
 143     my $shelf_type = ( $query->param('display') ? $query->param('display') : 'publicshelves' );
 144     if ( defined $shelf_type ) {
 145         if ( $shelf_type eq 'privateshelves' ) {
 146             $template->param( showprivateshelves => 1 );
 147         } elsif ( $shelf_type eq 'publicshelves' ) {
 148             $template->param( showpublicshelves => 1 );
 149             $showadd = 0;
 150         } else {
 151             $debug and warn "Invalid 'display' param ($shelf_type)";
 152         }
 153     } elsif ( $loggedinuser == -1 ) {
 154         $template->param( showpublicshelves => 1 );
 155     } else {
 156         $template->param( showprivateshelves => 1 );
 157     }
 158
 159     my ( $okmanage, $okview );
 160     my $shelfnumber = $query->param('shelfnumber') || $query->param('viewshelf');
 161     if ($shelfnumber) {
 162         $okmanage = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' );
 163         $okview   = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'view' );
 164     }
 165
 166     my $delflag = 0;
 167
 168   SWITCH: {
 169         if ($op) {
 170         #Saving modified shelf
 171             if ( $op eq 'modifsave' ) {
 172                 unless ($okmanage) {
 173                         push @paramsloop, { nopermission => $shelfnumber };
 174                         last SWITCH;
 175                 }
 176                 my $shelf = {
 177                     shelfname          => $query->param('shelfname'),
 178                     sortfield          => $query->param('sortfield'),
 179                     allow_add          => $query->param('allow_add'),
 180                     allow_delete_own   => $query->param('allow_delete_own'),
 181                     allow_delete_other => $query->param('allow_delete_other'),
 182                 };
 183                 if($query->param('category')) { #optional
 184                     $shelf->{category}= $query->param('category');
 185                 }
 186                 unless(ModShelf($shelfnumber, $shelf )) {
 187                   push @paramsloop, {modifyfailure => $shelf->{shelfname}};
 188                   last SWITCH;
 189                 }
 190
 191                 if($displaymode eq "viewshelf"){
 192                     print $query->redirect( $pages{$type}->{redirect} . "?viewshelf=$shelfnumber" );
 193                 } elsif($displaymode eq "publicshelves"){
 194                     print $query->redirect( $pages{$type}->{redirect} );
 195                 } else {
 196                     print $query->redirect( $pages{$type}->{redirect} . "?display=privateshelves" );
 197                 }
 198                 exit;
 199             }
 200         #Editing a shelf
 201         elsif ( $op eq 'modif' ) {
 202                 my ( $shelfnumber2, $shelfname, $owner, $category, $sortfield, $allow_add, $allow_delete_own, $allow_delete_other) = GetShelf($shelfnumber);
 203                 my $member = GetMember( 'borrowernumber' => $owner );
 204                 my $ownername = defined($member) ? $member->{firstname} . " " . $member->{surname} : '';
 205                 $edit = 1;
 206                 $template->param(
 207                     edit                => 1,
 208                     display             => $displaymode,
 209                     shelfnumber         => $shelfnumber2,
 210                     shelfname           => $shelfname,
 211                     owner               => $owner,
 212                     ownername           => $ownername,
 213                     "category$category" => 1,
 214                     category            => $category,
 215                     sortfield           => $sortfield,
 216                     allow_add           => $allow_add,
 217                     allow_delete_own    => $allow_delete_own,
 218                     allow_delete_other  => $allow_delete_other,
 219                 );
 220             }
 221             last SWITCH;
 222         }
 223
 224         #View a shelf
 225         if ( $shelfnumber = $query->param('viewshelf') ) {
 226             # explicitly fetch this shelf
 227             my ($shelfnumber2,$shelfname,$owner,$category,$sorton) = GetShelf($shelfnumber);
 228
 229             $template->param(
 230                 'DisplayMultiPlaceHold' => C4::Context->preference('DisplayMultiPlaceHold'),
 231             );
 232             if (C4::Context->preference('TagsEnabled')) {
 233                 $template->param(TagsEnabled => 1);
 234                     foreach (qw(TagsShowOnList TagsInputOnList)) {
 235                     C4::Context->preference($_) and $template->param($_ => 1);
 236                 }
 237             }
 238             #check that the user can view the shelf
 239             if ( ShelfPossibleAction( $loggedinuser, $shelfnumber, 'view' ) ) {
 240                 my $items;
 241                 my $tag_quantity;
 242                 my $sortfield = ( $sorton ? $sorton : 'title' );
 243                 $sortfield = $query->param('sort') || $sortfield; ## Passed in sorting overrides default sorting
 244                 my $direction = $query->param('direction') || 'asc';
 245                 $template->param(
 246                     sort      => $sortfield,
 247                     direction => $direction,
 248                 );
 249                 ( $items, $totitems ) = GetShelfContents( $shelfnumber, $shelflimit, $shelfoffset, $sortfield, $direction );
 250
 251                 # get biblionumbers stored in the cart
 252                 # Note that it's not use at the intranet
 253                 my @cart_list;
 254                 my $cart_cookie = ( $type eq 'opac' ? "bib_list" : "intranet_bib_list" );
 255                 if($query->cookie($cart_cookie)){
 256                     my $cart_list = $query->cookie($cart_cookie);
 257                     @cart_list = split(/\//, $cart_list);
 258                 }
 259
 260                 my $borrower = GetMember( 'borrowernumber' => $loggedinuser );
 261
 262                 for my $this_item (@$items) {
 263                     my $biblionumber = $this_item->{'biblionumber'};
 264                     my $record = GetMarcBiblio($biblionumber);
 265                     if (C4::Context->preference("OPACXSLTResultsDisplay") && $type eq 'opac') {
 266                         $this_item->{XSLTBloc} = XSLTParse4Display($biblionumber, $record, "OPACXSLTResultsDisplay");
 267                     } elsif (C4::Context->preference("XSLTResultsDisplay") && $type eq 'intranet') {
 268                         $this_item->{XSLTBloc} = XSLTParse4Display($biblionumber, $record, "XSLTResultsDisplay");
 269                     }
 270
 271                     # the virtualshelfcontents table does not store these columns nor are they retrieved from the items
 272                     # and itemtypes tables, so I'm commenting them out for now to quiet the log -crn
 273                     #$this_item->{imageurl} = $imgdir."/".$itemtypes->{ $this_item->{itemtype}  }->{'imageurl'};
 274                     #$this_item->{'description'} = $itemtypes->{ $this_item->{itemtype} }->{'description'};
 275                     $this_item->{'dateadded'} = format_date( $this_item->{'dateadded'} );
 276                     $this_item->{'imageurl'}  = getitemtypeinfo( $this_item->{'itemtype'}, $type )->{'imageurl'};
 277                     $this_item->{'coins'}     = GetCOinSBiblio( $record );
 278                     $this_item->{'subtitle'} = GetRecordValue('subtitle', $record, GetFrameworkCode($this_item->{'biblionumber'}));
 279                     $this_item->{'normalized_upc'}  = GetNormalizedUPC(       $record,$marcflavour);
 280                     $this_item->{'normalized_ean'}  = GetNormalizedEAN(       $record,$marcflavour);
 281                     $this_item->{'normalized_oclc'} = GetNormalizedOCLCNumber($record,$marcflavour);
 282                     $this_item->{'normalized_isbn'} = GetNormalizedISBN(undef,$record,$marcflavour);
 283                     if(!defined($this_item->{'size'})) { $this_item->{'size'} = "" }; #TT has problems with size
 284                     # Getting items infos for location display
 285                     my @items_infos = &GetItemsLocationInfo( $this_item->{'biblionumber'});
 286                     $this_item->{'itemsissued'} = CountItemsIssued( $this_item->{'biblionumber'} );
 287                     $this_item->{'ITEM_RESULTS'} = \@items_infos;
 288                     if ( grep {$_ eq $biblionumber} @cart_list) {
 289                         $this_item->{'incart'} = 1;
 290                     }
 291
 292                     if (C4::Context->preference('TagsEnabled') and $tag_quantity = C4::Context->preference('TagsShowOnList')) {
 293                         $this_item->{'TagLoop'} = get_tags({
 294                             biblionumber=>$this_item->{'biblionumber'}, approved=>1, 'sort'=>'-weight',
 295                             limit=>$tag_quantity
 296                             });
 297                     }
 298
 299                     $this_item->{'allow_onshelf_holds'} = C4::Reserves::OnShelfHoldsAllowed($this_item, $borrower);
 300                 }
 301                 if($type eq 'intranet'){
 302                     # Build drop-down list for 'Add To:' menu...
 303                     my ($totalref, $pubshelves, $barshelves)=
 304                     C4::VirtualShelves::GetSomeShelfNames($loggedinuser,'COMBO',1);
 305                     $template->param(
 306                         addbarshelves     => $totalref->{bartotal},
 307                         addbarshelvesloop => $barshelves,
 308                         addpubshelves     => $totalref->{pubtotal},
 309                         addpubshelvesloop => $pubshelves,
 310                     );
 311                 }
 312                 push @paramsloop, { display => 'privateshelves' } if $category == 1;
 313                 $showadd = 1;
 314                 my $i = 0;
 315                 my $manageshelf = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' );
 316                 my $can_delete_shelf = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'delete_shelf' );
 317                 $template->param(
 318                     shelfname           => $shelfname,
 319                     shelfnumber         => $shelfnumber,
 320                     viewshelf           => $shelfnumber,
 321                     sortfield           => $sortfield,
 322                     manageshelf         => $manageshelf,
 323                     allowremovingitems  => ShelfPossibleAction( $loggedinuser, $shelfnumber, 'delete'),
 324                     allowaddingitem     => ShelfPossibleAction( $loggedinuser, $shelfnumber, 'add'),
 325                     allowdeletingshelf  => $can_delete_shelf,
 326                     "category$category" => 1,
 327                     category            => $category,
 328                     itemsloop           => $items,
 329                     showprivateshelves  => $category==1,
 330                 );
 331             } else {
 332                 push @paramsloop, { nopermission => $shelfnumber };
 333             }
 334             last SWITCH;
 335         }
 336
 337         if ( $query->param('shelves') ) {
 338             my $stay = 1;
 339
 340         #Add a shelf
 341             if ( my $newshelf = $query->param('addshelf') ) {
 342
 343                 # note: a user can always add a new shelf (except database administrator account)
 344                 my $shelfnumber = AddShelf( {
 345                     shelfname => $newshelf,
 346                     sortfield => $query->param('sortfield'),
 347                     category => $query->param('category'),
 348                     allow_add => $query->param('allow_add'),
 349                     allow_delete_own => $query->param('allow_delete_own'),
 350                     allow_delete_other => $query->param('allow_delete_other'),
 351                     },
 352                     $query->param('owner') );
 353                 $stay = 1;
 354                 if( !$shelfnumber ) {
 355                     push @paramsloop, { addshelf_failed => 1 };
 356                 } elsif ( $shelfnumber == -1 ) {    #shelf already exists.
 357                     $showadd = 1;
 358                     push @paramsloop, { already => $newshelf };
 359                     $template->param( shelfnumber => $shelfnumber );
 360                 } else {
 361                     print $query->redirect( $pages{$type}->{redirect} . "?viewshelf=$shelfnumber" );
 362                     exit;
 363                 }
 364             }
 365
 366         #Deleting a shelf (asking for confirmation if it has entries)
 367             foreach ( $query->param() ) {
 368                 /(DEL|REMSHR)-(\d+)/ or next;
 369                 $delflag = 1;
 370                 my $number = $2;
 371                 unless ( defined $shelflist->{$number} ) {
 372                     push( @paramsloop, { unrecognized => $number } );
 373                     last;
 374                 }
 375                 #remove a share
 376                 if(/REMSHR/) {
 377                     RemoveShare($loggedinuser, $number);
 378                     delete $shelflist->{$number} if exists $shelflist->{$number};
 379                     $stay=0;
 380                     next;
 381                 }
 382
 383                 my $can_manage = ShelfPossibleAction( $loggedinuser, $number, 'manage' );
 384                 my $can_delete = ShelfPossibleAction( $loggedinuser, $number, 'delete_shelf' );
 385                 unless ( $can_manage or $can_delete ) {
 386                     push( @paramsloop, { nopermission => $shelfnumber } );
 387                     last;
 388                 }
 389                 my $contents;
 390                 ( $contents, $totshelves ) = GetShelfContents( $number, $shelveslimit, $shelvesoffset );
 391                 if ( $totshelves > 0 ) {
 392                     unless ( scalar grep { /^CONFIRM-$number$/ } $query->param() ) {
 393                         if ( defined $shelflist->{$number} ) {
 394                             push( @paramsloop, { need_confirm => $shelflist->{$number}->{shelfname}, count => $totshelves, single => ($totshelves eq 1 ? 1:0) } );
 395                             $shelflist->{$number}->{confirm} = $number;
 396                         }
 397                         $stay = 0;
 398                         next;
 399                     }
 400                 }
 401                 my $name;
 402                 if ( defined $shelflist->{$number} ) {
 403                     $name = $shelflist->{$number}->{'shelfname'};
 404                     delete $shelflist->{$number};
 405                 }
 406                 unless ( DelShelf($number) ) {
 407                     push( @paramsloop, { delete_fail => $name } );
 408                     last;
 409                 }
 410                 push( @paramsloop, { delete_ok => $name } );
 411
 412                 $stay = 0;
 413             }
 414             $showadd = 1;
 415             if ($stay){
 416                 $template->param( shelves => 1 );
 417                 $shelves = 1;
 418             }
 419             last SWITCH;
 420         }
 421     } # end of SWITCH block
 422
 423     (@paramsloop) and $template->param( paramsloop => \@paramsloop );
 424     $showadd      and $template->param( showadd    => 1 );
 425     my @shelvesloop;
 426     my @shelveslooppriv;
 427     my $numberCanManage = 0;
 428
 429     # rebuild shelflist in case a shelf has been added
 430     $shelflist = GetShelves( $category, $shelveslimit, $shelvesoffset, $loggedinuser ) unless $delflag;
 431     $totshelves = C4::VirtualShelves::GetShelfCount( $loggedinuser, $category ) unless $delflag;
 432     foreach my $element ( sort { lc( $shelflist->{$a}->{'shelfname'} ) cmp lc( $shelflist->{$b}->{'shelfname'} ) } keys %$shelflist ) {
 433         my %line;
 434         $shelflist->{$element}->{shelf} = $element;
 435         my $category  = $shelflist->{$element}->{'category'};
 436         my $owner     = $shelflist->{$element}->{'owner'}||0;
 437         my $canmanage = ShelfPossibleAction( $loggedinuser, $element, 'manage' );
 438         my $candelete = ShelfPossibleAction( $loggedinuser, $element, 'delete_shelf' );
 439         $shelflist->{$element}->{"viewcategory$category"} = 1;
 440         $shelflist->{$element}->{manageshelf} = $canmanage;
 441         $shelflist->{$element}->{allowdeletingshelf} = $candelete;
 442         if($canmanage || ($loggedinuser && $owner==$loggedinuser)) {
 443             $shelflist->{$element}->{'mine'} = 1;
 444         }
 445         my $member = GetMember( 'borrowernumber' => $owner );
 446         $shelflist->{$element}->{ownername} = defined($member) ? $member->{firstname} . " " . $member->{surname} : '';
 447         $numberCanManage++ if $canmanage;    # possibly outmoded
 448         if ( $shelflist->{$element}->{'category'} eq '1' ) {
 449             $shelflist->{$element}->{shares} = IsSharedList($element);
 450             push( @shelveslooppriv, $shelflist->{$element} );
 451         } else {
 452             push( @shelvesloop, $shelflist->{$element} );
 453         }
 454     }
 455
 456     my $url = $type eq 'opac' ? "/cgi-bin/koha/opac-shelves.pl" : "/cgi-bin/koha/virtualshelves/shelves.pl";
 457     my %qhash = ();
 458     foreach (qw(display viewshelf sortfield sort direction)) {
 459         $qhash{$_} = $query->param($_) if $query->param($_);
 460     }
 461     ( scalar keys %qhash ) and $url .= '?' . join '&', map { "$_=$qhash{$_}" } keys %qhash;
 462     if ( $shelfnumber && $totitems ) {
 463         $template->param(  pagination_bar => pagination_bar( $url, ( int( $totitems / $shelflimit ) ) + ( ( $totitems % $shelflimit ) > 0 ? 1 : 0 ), $itemoff, "itemoff" )  );
 464     } elsif ( $totshelves ) {
 465         $template->param(
 466              pagination_bar => pagination_bar( $url, ( int( $totshelves / $shelveslimit ) ) + ( ( $totshelves % $shelveslimit ) > 0 ? 1 : 0 ), $shelfoff, "shelfoff" )  );
 467     }
 468     $template->param(
 469         shelveslooppriv                                                    => \@shelveslooppriv,
 470         shelvesloop                                                        => \@shelvesloop,
 471         shelvesloopall                                                     => [ ( @shelvesloop, @shelveslooppriv ) ],
 472         numberCanManage                                                    => $numberCanManage,
 473         "BiblioDefaultView" . C4::Context->preference("BiblioDefaultView") => 1,
 474         csv_profiles                                                       => GetCsvProfilesLoop('marc')
 475     );
 476
 477     unless( $shelfnumber or $shelves or $edit ) {
 478         # Only used for intranet
 479         $template->param( op => 'list' );
 480     }
 481
 482     if ($shelves or    # note: this part looks duplicative, but is intentional
 483         $edit
 484       ) {
 485         $template->param( seflag => 1 );
 486         #This hack is just another argument for refactoring this script one day
 487         #At this point you are adding or editing a list; if you add, then you add a private list (by default) with permissions as below; if you edit, do not pass these permissions, they must come from the database
 488         $template->param( allow_add => 0, allow_delete_own => 1, allow_delete_other => 0) unless $shelfnumber;
 489     }
 490
 491 #Next call updates the shelves for the Lists button.
 492 #May not always be needed (when nothing changed), but doesn't take much.
 493     my ($total, $pubshelves, $barshelves) = C4::VirtualShelves::GetSomeShelfNames($loggedinuser, 'MASTHEAD');
 494     $template->param(
 495             barshelves     => $total->{bartotal},
 496             barshelvesloop => $barshelves,
 497             pubshelves     => $total->{pubtotal},
 498             pubshelvesloop => $pubshelves,
 499     );
 500
 501     output_html_with_http_headers $query, $cookie, $template->output;
 502 }
 503
 504 1;
 505 __END__
 506
 507 =head1 NAME
 508
 509 VirtualShelves/Page.pm
 510
 511 =head1 DESCRIPTION
 512
 513 Module used for both OPAC and intranet pages.
 514
 515 =head1 CGI PARAMETERS
 516
 517 =over 4
 518
 519 =item C<modifyshelfcontents>
 520
 521 If this script has to modify the shelf content.
 522
 523 =item C<shelfnumber>
 524
 525 To know on which shelf to work.
 526
 527 =item C<addbarcode>
 528
 529 =item C<op>
 530
 531  Op can be:
 532     * modif: show the template allowing modification of the shelves;
 533     * modifsave: save changes from modif mode.
 534
 535 =item C<viewshelf>
 536
 537 Load template with 'viewshelves param' displaying the shelf's information.
 538
 539 =item C<shelves>
 540
 541 If the param shelves == 1, then add or delete a shelf.
 542
 543 =item C<addshelf>
 544
 545 If the param shelves == 1, then addshelf is the name of the shelf to add.
 546
 547 =back
 548
 549 =cut