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 Koha::Virtualshelves;
  44
  45 use constant VIRTUALSHELVES_COUNT => 20;
  46
  47 use vars qw($debug @EXPORT @ISA $VERSION);
  48
  49 BEGIN {
  50     $VERSION = 3.07.00.049;
  51     @ISA     = qw(Exporter);
  52     @EXPORT  = qw(&shelfpage);
  53     $debug   = $ENV{DEBUG} || 0;
  54 }
  55
  56 my @messages;
  57 our %pages = (
  58     intranet => { redirect => '/cgi-bin/koha/virtualshelves/shelves.pl', },
  59     opac     => { redirect => '/cgi-bin/koha/opac-shelves.pl', },
  60 );
  61
  62 sub shelfpage {
  63     my ( $type, $query, $template, $loggedinuser, $cookie ) = @_;
  64     ( $pages{$type} ) or $type = 'opac';
  65     $query            or die "No query";
  66     $template         or die "No template";
  67     $template->param(
  68     loggedinuser => $loggedinuser,
  69     OpacAllowPublicListCreation => C4::Context->preference('OpacAllowPublicListCreation'),
  70     );
  71     my $shelves;
  72     my @paramsloop;
  73     my $totitems;
  74     my $shelfoff    = ( $query->param('shelfoff') ? $query->param('shelfoff') : 1 );
  75     $template->{VARS}->{'shelfoff'} = $shelfoff;
  76     my $itemoff     = ( $query->param('itemoff')  ? $query->param('itemoff')  : 1 );
  77     my $displaymode = ( $query->param('display')  ? $query->param('display')  : 'publicshelves' );
  78     my ( $shelflimit, $shelfoffset, $shelveslimit, $shelvesoffset );
  79     my $marcflavour = C4::Context->preference("marcflavour");
  80
  81     unless ( $query->param('print') ) {
  82         $shelflimit = ( $type eq 'opac' ? C4::Context->preference('OPACnumSearchResults') : C4::Context->preference('numSearchResults') );
  83         $shelflimit = $shelflimit || ShelvesMax('MGRPAGE');
  84         $shelflimit = undef if $query->param('rss');
  85         $shelfoffset   = ( $itemoff - 1 ) * $shelflimit;     # Sets the offset to begin retrieving items at
  86         $shelveslimit  = $shelflimit;                        # Limits number of shelves returned for a given query (row_count)
  87         $shelvesoffset = ( $shelfoff - 1 ) * $shelflimit;    # Sets the offset to begin retrieving shelves at (offset)
  88     }
  89
  90     # getting the Shelves list
  91     my $category = ( ( $displaymode eq 'privateshelves' ) ? 1 : 2 );
  92     my $shelflist = GetShelves( $category, $shelveslimit, $shelvesoffset, $loggedinuser );
  93     my $totshelves = C4::VirtualShelves::GetShelfCount( $loggedinuser, $category );
  94
  95     my $op = $query->param('op');
  96
  97     # the format of this is unindented for ease of diff comparison to the old script
  98     # Note: do not mistake the assignment statements below for comparisons!
  99     if ( $query->param('modifyshelfcontents') ) {
 100         my ( $shelfnumber, $barcode, $item, $biblio );
 101         if ( $shelfnumber = $query->param('viewshelf') ) {
 102             #add to shelf
 103             if($barcode = $query->param('addbarcode') ) {
 104                 if(ShelfPossibleAction( $loggedinuser, $shelfnumber, 'add')) {
 105                     $item = GetItem( 0, $barcode);
 106                     if (defined $item && $item->{'itemnumber'}) {
 107                         $biblio = GetBiblioFromItemNumber( $item->{'itemnumber'} );
 108                         Koha::Virtualshelves->find( $shelfnumber )->add_biblio( $biblio->{biblionumber}, $loggedinuser )
 109                           or push @paramsloop, { duplicatebiblio => $barcode };
 110                     }
 111                     else {
 112                         push @paramsloop, { failgetitem => $barcode };
 113                     }
 114                 }
 115                 else {
 116                     push @paramsloop, { nopermission => $shelfnumber };
 117                 }
 118             }
 119             elsif(grep { /REM-(\d+)/ } $query->param) {
 120             #remove item(s) from shelf
 121                 if(ShelfPossibleAction($loggedinuser, $shelfnumber, 'delete')) {
 122                     my @bib;
 123                     foreach($query->param) {
 124                         /REM-(\d+)/ or next;
 125                         push @bib, $1; #$1 is biblionumber
 126                     }
 127                     my $shelf = Koha::Virtualshelves->find( $shelfnumber );
 128                     my $number_of_biblios_removed = $shelf->remove_biblios( { biblionumbers => \@bib, borrowernumber => $loggedinuser } );
 129                     if( $number_of_biblios_removed == 0) {
 130                         push @paramsloop, {nothingdeleted => $shelfnumber};
 131                     }
 132                     elsif( $number_of_biblios_removed < @bib ) {
 133                         push @paramsloop, {somedeleted => $shelfnumber};
 134                     }
 135                 }
 136                 else {
 137                     push @paramsloop, { nopermission => $shelfnumber };
 138                 }
 139             }
 140         }
 141         else {
 142             push @paramsloop, { noshelfnumber => 1 };
 143         }
 144     }
 145
 146     my $showadd = 1;
 147
 148     # set the default tab, etc. (for OPAC)
 149     my $shelf_type = ( $query->param('display') ? $query->param('display') : 'publicshelves' );
 150     if ( defined $shelf_type ) {
 151         if ( $shelf_type eq 'privateshelves' ) {
 152             $template->param( showprivateshelves => 1 );
 153         } elsif ( $shelf_type eq 'publicshelves' ) {
 154             $template->param( showpublicshelves => 1 );
 155             $showadd = 0;
 156         } else {
 157             $debug and warn "Invalid 'display' param ($shelf_type)";
 158         }
 159     } elsif ( $loggedinuser == -1 ) {
 160         $template->param( showpublicshelves => 1 );
 161     } else {
 162         $template->param( showprivateshelves => 1 );
 163     }
 164
 165     my ( $okmanage, $okview );
 166     my $shelfnumber = $query->param('shelfnumber') || $query->param('viewshelf');
 167     if ($shelfnumber) {
 168         $okmanage = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' );
 169         $okview   = ShelfPossibleAction( $loggedinuser, $shelfnumber, 'view' );
 170     }
 171
 172     my $delflag = 0;
 173
 174   SWITCH: {
 175         if ($op) {
 176         #Saving modified shelf
 177             if ( $op eq 'modifsave' ) {
 178                 unless ($okmanage) {
 179                         push @paramsloop, { nopermission => $shelfnumber };
 180                         last SWITCH;
 181                 }
 182                 my $shelf = Koha::Virtualshelves->find( $shelfnumber );
 183                 $shelf->shelfname($query->param('shelfname'));
 184                 $shelf->sortfield($query->param('sortfield'));
 185                 $shelf->allow_add($query->param('allow_add'));
 186                 $shelf->allow_delete_own($query->param('allow_delete_own'));
 187                 $shelf->allow_delete_other($query->param('allow_delete_other'));
 188                 if( my $category = $query->param('category')) { #optional
 189                     $shelf->category($category);
 190                 }
 191                 eval { $shelf->store };
 192                 if ( $@ ) {
 193                   push @paramsloop, {modifyfailure => $shelf->{shelfname}};
 194                   last SWITCH;
 195                 }
 196
 197                 if($displaymode eq "viewshelf"){
 198                     print $query->redirect( $pages{$type}->{redirect} . "?viewshelf=$shelfnumber" );
 199                 } elsif($displaymode eq "publicshelves"){
 200                     print $query->redirect( $pages{$type}->{redirect} );
 201                 } else {
 202                     print $query->redirect( $pages{$type}->{redirect} . "?display=privateshelves" );
 203                 }
 204                 exit;
 205             }
 206         #Editing a shelf
 207         elsif ( $op eq 'modif' ) {
 208                 my $shelf = Koha::Virtualshelves->find( $shelfnumber );
 209                 my $member = GetMember( 'borrowernumber' => $shelf->owner );
 210                 my $ownername = defined($member) ? $member->{firstname} . " " . $member->{surname} : '';
 211                 $template->param(
 212                     edit                => 1,
 213                     display             => $displaymode,
 214                     shelfnumber         => $shelf->shelfnumber,
 215                     shelfname           => $shelf->shelfname,
 216                     owner               => $shelf->owner,
 217                     ownername           => $ownername,
 218                     "category".$shelf->category => 1,
 219                     category            => $shelf->category,
 220                     sortfield           => $shelf->sortfield,
 221                     allow_add           => $shelf->allow_add,
 222                     allow_delete_own    => $shelf->allow_delete_own,
 223                     allow_delete_other  => $shelf->allow_delete_other,
 224                 );
 225             }
 226             last SWITCH;
 227         }
 228
 229         #View a shelf
 230         if ( $shelfnumber = $query->param('viewshelf') ) {
 231             my $shelf = Koha::Virtualshelves->find( $shelfnumber );
 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 = ( $shelf->sortfield ? $shelf->sortfield : '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 $shelf->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           => $shelf->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  => $can_delete_shelf,
 326                     "category".$shelf->category => 1,
 327                     category            => $shelf->category,
 328                     itemsloop           => $items,
 329                     showprivateshelves  => $shelf->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             my $shelfname = $query->param('addshelf');
 342
 343             if ( $shelfname ) {
 344
 345                 # note: a user can always add a new shelf (except database administrator account)
 346                 my $shelf = eval {
 347                     Koha::Virtualshelf->new(
 348                         {
 349                             shelfname          => $shelfname,
 350                             sortfield          => $query->param('sortfield'),
 351                             category           => $query->param('category'),
 352                             allow_add          => $query->param('allow_add'),
 353                             allow_delete_own   => $query->param('allow_delete_own'),
 354                             allow_delete_other => $query->param('allow_delete_other'),
 355                             owner              => $query->param('owner'),
 356                         }
 357                     )->store;
 358                 };
 359                 if ( $@ ) {
 360                     $showadd = 1;
 361                     push @messages, { type => 'error', code => ref($@) };
 362                 } elsif ( not $shelf ) {
 363                     $showadd = 1;
 364                     push @messages, { type => 'error', 'error_on_insert' };
 365                 } else {
 366                     print $query->redirect( $pages{$type}->{redirect} . "?viewshelf=$shelfnumber" );
 367                     exit;
 368                 }
 369
 370                 $template->param(
 371                     shelfname => $shelfname,
 372                 );
 373                 $stay = 1;
 374             }
 375
 376         #Deleting a shelf (asking for confirmation if it has entries)
 377             foreach ( $query->param() ) {
 378                 /(DEL|REMSHR)-(\d+)/ or next;
 379                 $delflag = 1;
 380                 my $number = $2;
 381                 unless ( defined $shelflist->{$number} ) {
 382                     push( @paramsloop, { unrecognized => $number } );
 383                     last;
 384                 }
 385                 #remove a share
 386                 if(/REMSHR/) {
 387                     my $shelf = Koha::Virtualshelves->find( $number );
 388                     $shelf->delete_share( $loggedinuser );
 389                     delete $shelflist->{$number} if exists $shelflist->{$number};
 390                     $stay=0;
 391                     next;
 392                 }
 393
 394                 my $can_manage = ShelfPossibleAction( $loggedinuser, $number, 'manage' );
 395                 my $can_delete = ShelfPossibleAction( $loggedinuser, $number, 'delete_shelf' );
 396                 unless ( $can_manage or $can_delete ) {
 397                     push( @paramsloop, { nopermission => $shelfnumber } );
 398                     last;
 399                 }
 400                 my $contents;
 401                 ( $contents, $totshelves ) = GetShelfContents( $number, $shelveslimit, $shelvesoffset );
 402                 if ( $totshelves > 0 ) {
 403                     unless ( scalar grep { /^CONFIRM-$number$/ } $query->param() ) {
 404                         if ( defined $shelflist->{$number} ) {
 405                             push( @paramsloop, { need_confirm => $shelflist->{$number}->{shelfname}, count => $totshelves, single => ($totshelves eq 1 ? 1:0) } );
 406                             $shelflist->{$number}->{confirm} = $number;
 407                         }
 408                         $stay = 0;
 409                         next;
 410                     }
 411                 }
 412                 my $name;
 413                 if ( defined $shelflist->{$number} ) {
 414                     $name = $shelflist->{$number}->{'shelfname'};
 415                     delete $shelflist->{$number};
 416                 }
 417                 unless( Koha::Virtualshelves->find($number)->delete ) {
 418                     push( @paramsloop, { delete_fail => $name } );
 419                     last;
 420                 }
 421                 push( @paramsloop, { delete_ok => $name } );
 422
 423                 $stay = 0;
 424             }
 425             $showadd = 1;
 426             if ($stay){
 427                 $template->param( shelves => 1 );
 428                 $shelves = 1;
 429             }
 430             last SWITCH;
 431         }
 432     } # end of SWITCH block
 433
 434     (@paramsloop) and $template->param( paramsloop => \@paramsloop );
 435     $showadd      and $template->param( showadd    => 1 );
 436     my @shelvesloop;
 437     my @shelveslooppriv;
 438     my $numberCanManage = 0;
 439
 440     # rebuild shelflist in case a shelf has been added
 441     $shelflist = GetShelves( $category, $shelveslimit, $shelvesoffset, $loggedinuser ) unless $delflag;
 442     $totshelves = C4::VirtualShelves::GetShelfCount( $loggedinuser, $category ) unless $delflag;
 443     foreach my $element ( sort { lc( $shelflist->{$a}->{'shelfname'} ) cmp lc( $shelflist->{$b}->{'shelfname'} ) } keys %$shelflist ) {
 444         my %line;
 445         $shelflist->{$element}->{shelf} = $element;
 446         my $category  = $shelflist->{$element}->{'category'};
 447         my $owner     = $shelflist->{$element}->{'owner'}||0;
 448         my $canmanage = ShelfPossibleAction( $loggedinuser, $element, 'manage' );
 449         my $candelete = ShelfPossibleAction( $loggedinuser, $element, 'delete_shelf' );
 450         $shelflist->{$element}->{"viewcategory$category"} = 1;
 451         $shelflist->{$element}->{manageshelf} = $canmanage;
 452         $shelflist->{$element}->{allowdeletingshelf} = $candelete;
 453         if($canmanage || ($loggedinuser && $owner==$loggedinuser)) {
 454             $shelflist->{$element}->{'mine'} = 1;
 455         }
 456         my $member = GetMember( 'borrowernumber' => $owner );
 457         $shelflist->{$element}->{ownername} = defined($member) ? $member->{firstname} . " " . $member->{surname} : '';
 458         $numberCanManage++ if $canmanage;    # possibly outmoded
 459         if ( $shelflist->{$element}->{'category'} eq '1' ) {
 460             my $shelf = Koha::Virtualshelves->find( $element );
 461             $shelflist->{$element}->{shares} = $shelf->is_shared;
 462             push( @shelveslooppriv, $shelflist->{$element} );
 463         } else {
 464             push( @shelvesloop, $shelflist->{$element} );
 465         }
 466     }
 467
 468     my $url = $type eq 'opac' ? "/cgi-bin/koha/opac-shelves.pl" : "/cgi-bin/koha/virtualshelves/shelves.pl";
 469     my %qhash = ();
 470     foreach (qw(display viewshelf sortfield sort direction)) {
 471         $qhash{$_} = $query->param($_) if $query->param($_);
 472     }
 473     ( scalar keys %qhash ) and $url .= '?' . join '&', map { "$_=$qhash{$_}" } keys %qhash;
 474     if ( $shelflimit ) {
 475         if ( $shelfnumber && $totitems ) {
 476             $template->param(  pagination_bar => pagination_bar( $url, ( int( $totitems / $shelflimit ) ) + ( ( $totitems % $shelflimit ) > 0 ? 1 : 0 ), $itemoff, "itemoff" )  );
 477         } elsif ( $totshelves ) {
 478             $template->param(
 479                  pagination_bar => pagination_bar( $url, ( int( $totshelves / $shelveslimit ) ) + ( ( $totshelves % $shelveslimit ) > 0 ? 1 : 0 ), $shelfoff, "shelfoff" )  );
 480         }
 481     }
 482
 483     $template->param(
 484         shelveslooppriv                                                    => \@shelveslooppriv,
 485         shelvesloop                                                        => \@shelvesloop,
 486         shelvesloopall                                                     => [ ( @shelvesloop, @shelveslooppriv ) ],
 487         numberCanManage                                                    => $numberCanManage,
 488         "BiblioDefaultView" . C4::Context->preference("BiblioDefaultView") => 1,
 489         csv_profiles                                                       => GetCsvProfilesLoop('marc')
 490     );
 491
 492 #Next call updates the shelves for the Lists button.
 493 #May not always be needed (when nothing changed), but doesn't take much.
 494     my ($total, $pubshelves, $barshelves) = C4::VirtualShelves::GetSomeShelfNames($loggedinuser, 'MASTHEAD');
 495     $template->param(
 496             barshelves     => $total->{bartotal},
 497             barshelvesloop => $barshelves,
 498             pubshelves     => $total->{pubtotal},
 499             pubshelvesloop => $pubshelves,
 500             messages       => \@messages,
 501     );
 502
 503     output_html_with_http_headers $query, $cookie, $template->output;
 504 }
 505
 506 1;
 507 __END__
 508
 509 =head1 NAME
 510
 511 VirtualShelves/Page.pm
 512
 513 =head1 DESCRIPTION
 514
 515 Module used for both OPAC and intranet pages.
 516
 517 =head1 CGI PARAMETERS
 518
 519 =over 4
 520
 521 =item C<modifyshelfcontents>
 522
 523 If this script has to modify the shelf content.
 524
 525 =item C<shelfnumber>
 526
 527 To know on which shelf to work.
 528
 529 =item C<addbarcode>
 530
 531 =item C<op>
 532
 533  Op can be:
 534     * modif: show the template allowing modification of the shelves;
 535     * modifsave: save changes from modif mode.
 536
 537 =item C<viewshelf>
 538
 539 Load template with 'viewshelves param' displaying the shelf's information.
 540
 541 =item C<shelves>
 542
 543 If the param shelves == 1, then add or delete a shelf.
 544
 545 =item C<addshelf>
 546
 547 If the param shelves == 1, then addshelf is the name of the shelf to add.
 548
 549 =back
 550
 551 =cut