opac/opac-shelves.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2015 Koha Team
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use CGI qw ( -utf8 );
  23 use C4::Auth;
  24 use C4::Biblio;
  25 use C4::Koha;
  26 use C4::Items;
  27 use C4::Members;
  28 use C4::Output;
  29 use C4::Tags qw( get_tags );
  30 use C4::XSLT;
  31
  32 use Koha::Biblios;
  33 use Koha::Biblioitems;
  34 use Koha::IssuingRules;
  35 use Koha::Items;
  36 use Koha::ItemTypes;
  37 use Koha::Patrons;
  38 use Koha::Virtualshelves;
  39 use Koha::RecordProcessor;
  40
  41 use constant ANYONE => 2;
  42
  43 my $query = new CGI;
  44
  45 my $template_name = $query->param('rss') ? "opac-shelves-rss.tt" : "opac-shelves.tt";
  46
  47 # if virtualshelves is disabled, leave immediately
  48 if ( ! C4::Context->preference('virtualshelves') ) {
  49     print $query->redirect("/cgi-bin/koha/errors/404.pl");
  50     exit;
  51 }
  52
  53 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  54         template_name   => $template_name,
  55         query           => $query,
  56         type            => "opac",
  57         authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ),
  58     });
  59
  60 my $op       = $query->param('op')       || 'list';
  61 my $referer  = $query->param('referer')  || $op;
  62 my $category = $query->param('category') || 1;
  63 $category = 2 if $category ne "1";
  64 my ( $shelf, $shelfnumber, @messages );
  65
  66 if ( $op eq 'add_form' ) {
  67     # Only pass default
  68     $shelf = { allow_change_from_owner => 1 };
  69 } elsif ( $op eq 'edit_form' ) {
  70     $shelfnumber = $query->param('shelfnumber');
  71     $shelf       = Koha::Virtualshelves->find($shelfnumber);
  72
  73     if ( $shelf ) {
  74         $category = $shelf->category;
  75         my $patron = Koha::Patrons->find( $shelf->owner );
  76         $template->param( owner => $patron, );
  77         unless ( $shelf->can_be_managed( $loggedinuser ) ) {
  78             push @messages, { type => 'error', code => 'unauthorized_on_update' };
  79             $op = 'list';
  80         }
  81     } else {
  82         push @messages, { type => 'error', code => 'does_not_exist' };
  83     }
  84 } elsif ( $op eq 'add' ) {
  85     if ( $loggedinuser ) {
  86         my $allow_changes_from = $query->param('allow_changes_from');
  87         eval {
  88             $shelf = Koha::Virtualshelf->new(
  89                 {   shelfname          => scalar $query->param('shelfname'),
  90                     sortfield          => scalar $query->param('sortfield'),
  91                     category           => scalar $query->param('category') || 1,
  92                     allow_change_from_owner => $allow_changes_from > 0,
  93                     allow_change_from_others => $allow_changes_from == ANYONE,
  94                     owner              => scalar $loggedinuser,
  95                 }
  96             );
  97             $shelf->store;
  98             $shelfnumber = $shelf->shelfnumber;
  99         };
 100         if ($@) {
 101             push @messages, { type => 'error', code => ref($@), msg => $@ };
 102         } elsif ( not $shelf ) {
 103             push @messages, { type => 'error', code => 'error_on_insert' };
 104         } else {
 105             push @messages, { type => 'message', code => 'success_on_insert' };
 106             $op = 'view';
 107         }
 108     } else {
 109         push @messages, { type => 'error', code => 'unauthorized_on_insert' };
 110         $op = 'list';
 111     }
 112 } elsif ( $op eq 'edit' ) {
 113     $shelfnumber = $query->param('shelfnumber');
 114     $shelf       = Koha::Virtualshelves->find($shelfnumber);
 115     if ( $shelf ) {
 116         $op = $referer;
 117         my $sortfield = $query->param('sortfield');
 118         $sortfield = 'title' unless grep {/^$sortfield$/}qw( title author copyrightdate itemcallnumber dateadded );
 119         if ( $shelf->can_be_managed( $loggedinuser ) ) {
 120             $shelf->shelfname( scalar $query->param('shelfname') );
 121             $shelf->sortfield( $sortfield );
 122             my $allow_changes_from = $query->param('allow_changes_from');
 123             $shelf->allow_change_from_owner( $allow_changes_from > 0 );
 124             $shelf->allow_change_from_others( $allow_changes_from == ANYONE );
 125             $shelf->category( scalar $query->param('category') );
 126             eval { $shelf->store };
 127
 128             if ($@) {
 129                 push @messages, { type => 'error', code => 'error_on_update' };
 130                 $op = 'edit_form';
 131             } else {
 132                 push @messages, { type => 'message', code => 'success_on_update' };
 133             }
 134         } else {
 135             push @messages, { type => 'error', code => 'unauthorized_on_update' };
 136         }
 137     } else {
 138         push @messages, { type => 'error', code => 'does_not_exist' };
 139     }
 140 } elsif ( $op eq 'delete' ) {
 141     $shelfnumber = $query->param('shelfnumber');
 142     $shelf       = Koha::Virtualshelves->find($shelfnumber);
 143     if ($shelf) {
 144         if ( $shelf->can_be_deleted( $loggedinuser ) ) {
 145             eval { $shelf->delete; };
 146             if ($@) {
 147                 push @messages, { type => 'error', code => ref($@), msg => $@ };
 148             } else {
 149                 push @messages, { type => 'message', code => 'success_on_delete' };
 150             }
 151         } else {
 152             push @messages, { type => 'error', code => 'unauthorized_on_delete' };
 153         }
 154     } else {
 155         push @messages, { type => 'error', code => 'does_not_exist' };
 156     }
 157     $op = $referer;
 158 } elsif ( $op eq 'remove_share' ) {
 159     $shelfnumber = $query->param('shelfnumber');
 160     $shelf = Koha::Virtualshelves->find($shelfnumber);
 161     if ($shelf) {
 162         my $removed = eval { $shelf->remove_share( $loggedinuser ); };
 163         if ($@) {
 164             push @messages, { type => 'error', code => ref($@), msg => $@ };
 165         } elsif ( $removed ) {
 166             push @messages, { type => 'message', code => 'success_on_remove_share' };
 167         } else {
 168             push @messages, { type => 'error', code => 'error_on_remove_share' };
 169         }
 170     } else {
 171         push @messages, { type => 'error', code => 'does_not_exist' };
 172     }
 173     $op = $referer;
 174
 175 } elsif ( $op eq 'add_biblio' ) {
 176     $shelfnumber = $query->param('shelfnumber');
 177     $shelf = Koha::Virtualshelves->find($shelfnumber);
 178     if ($shelf) {
 179         if( my $barcode = $query->param('barcode') ) {
 180             my $item = Koha::Items->find({ barcode => $barcode });
 181             if ( $item ) {
 182                 if ( $shelf->can_biblios_be_added( $loggedinuser ) ) {
 183                     my $added = eval { $shelf->add_biblio( $item->biblionumber, $loggedinuser ); };
 184                     if ($@) {
 185                         push @messages, { type => 'error', code => ref($@), msg => $@ };
 186                     } elsif ( $added ) {
 187                         push @messages, { type => 'message', code => 'success_on_add_biblio' };
 188                     } else {
 189                         push @messages, { type => 'message', code => 'error_on_add_biblio' };
 190                     }
 191                 } else {
 192                     push @messages, { type => 'error', code => 'unauthorized_on_add_biblio' };
 193                 }
 194             } else {
 195                 push @messages, { type => 'error', code => 'item_does_not_exist' };
 196             }
 197         }
 198     } else {
 199         push @messages, { type => 'error', code => 'does_not_exist' };
 200     }
 201     $op = $referer;
 202 } elsif ( $op eq 'remove_biblios' ) {
 203     $shelfnumber = $query->param('shelfnumber');
 204     $shelf = Koha::Virtualshelves->find($shelfnumber);
 205     my @biblionumber = $query->multi_param('biblionumber');
 206     if ($shelf) {
 207         if ( $shelf->can_biblios_be_removed( $loggedinuser ) ) {
 208             my $number_of_biblios_removed = eval {
 209                 $shelf->remove_biblios(
 210                     {
 211                         biblionumbers => \@biblionumber,
 212                         borrowernumber => $loggedinuser,
 213                     }
 214                 );
 215             };
 216             if ($@) {
 217                 push @messages, { type => 'error', code => ref($@), msg => $@ };
 218             } elsif ( $number_of_biblios_removed ) {
 219                 push @messages, { type => 'message', code => 'success_on_remove_biblios' };
 220             } else {
 221                 push @messages, { type => 'error', code => 'no_biblio_removed' };
 222             }
 223         } else {
 224             push @messages, { type => 'error', code => 'unauthorized_on_remove_biblios' };
 225         }
 226     } else {
 227         push @messages, { type => 'error', code => 'does_not_exist' };
 228     }
 229     $op = 'view';
 230 }
 231
 232 if ( $op eq 'view' ) {
 233     $shelfnumber ||= $query->param('shelfnumber');
 234     $shelf = Koha::Virtualshelves->find($shelfnumber);
 235     if ( $shelf ) {
 236         if ( $shelf->can_be_viewed( $loggedinuser ) ) {
 237             $category = $shelf->category;
 238             my $sortfield = $query->param('sortfield') || $shelf->sortfield;    # Passed in sorting overrides default sorting
 239             $sortfield = 'title' unless grep {/^$sortfield$/}qw( title author copyrightdate itemcallnumber dateadded );
 240             my $direction = $query->param('direction') || 'asc';
 241             $direction = 'asc' if $direction ne 'asc' and $direction ne 'desc';
 242             my ( $page, $rows );
 243             unless ( $query->param('print') or $query->param('rss') ) {
 244                 $rows = C4::Context->preference('OPACnumSearchResults') || 20;
 245                 $page = ( $query->param('page') ? $query->param('page') : 1 );
 246             }
 247             my $order_by = $sortfield eq 'itemcallnumber' ? 'items.cn_sort' : $sortfield;
 248             my $contents = $shelf->get_contents->search(
 249                 {},
 250                 {
 251                     prefetch => [ { 'biblionumber' => { 'biblioitems' => 'items' } } ],
 252                     page     => $page,
 253                     rows     => $rows,
 254                     order_by => { "-$direction" => $order_by },
 255                 }
 256             );
 257
 258             # get biblionumbers stored in the cart
 259             my @cart_list;
 260             if(my $cart_list = $query->cookie('bib_list')){
 261                 @cart_list = split(/\//, $cart_list);
 262             }
 263
 264             my $patron = Koha::Patrons->find( $loggedinuser );
 265
 266             # Lists display falls back to search results configuration
 267             my $xslfile = C4::Context->preference('OPACXSLTListsDisplay');
 268             my $lang   = $xslfile ? C4::Languages::getlanguage()  : undef;
 269             my $sysxml = $xslfile ? C4::XSLT::get_xslt_sysprefs() : undef;
 270
 271             my $record_processor = Koha::RecordProcessor->new({ filters => 'ViewPolicy' });
 272             my @items;
 273             while ( my $content = $contents->next ) {
 274                 my $biblionumber = $content->biblionumber;
 275                 my $this_item    = GetBiblioData($biblionumber);
 276                 my $record = GetMarcBiblio({ biblionumber => $biblionumber });
 277                 my $framework = GetFrameworkCode( $biblionumber );
 278                 my $biblio = Koha::Biblios->find( $biblionumber );
 279                 $record_processor->options({
 280                     interface => 'opac',
 281                     frameworkcode => $framework
 282                 });
 283                 $record_processor->process($record);
 284
 285                 if ( $xslfile ) {
 286                     $this_item->{XSLTBloc} = XSLTParse4Display( $biblionumber, $record, "OPACXSLTListsDisplay",
 287                                                                 1, undef, $sysxml, $xslfile, $lang);
 288                 }
 289
 290                 my $marcflavour = C4::Context->preference("marcflavour");
 291                 my $itemtype = Koha::Biblioitems->search({ biblionumber => $content->biblionumber })->next->itemtype;
 292                 $itemtype = Koha::ItemTypes->find( $itemtype );
 293                 if( $itemtype ) {
 294                     $this_item->{imageurl}          = C4::Koha::getitemtypeimagelocation( 'opac', $itemtype->imageurl );
 295                     $this_item->{description}       = $itemtype->description; #FIXME Should not it be translated_description?
 296                     $this_item->{notforloan}        = $itemtype->notforloan;
 297                 }
 298                 $this_item->{'coins'}           = $biblio->get_coins;
 299                 $this_item->{'subtitle'}        = GetRecordValue( 'subtitle', $record, GetFrameworkCode( $biblionumber ) );
 300                 $this_item->{'normalized_upc'}  = GetNormalizedUPC( $record, $marcflavour );
 301                 $this_item->{'normalized_ean'}  = GetNormalizedEAN( $record, $marcflavour );
 302                 $this_item->{'normalized_oclc'} = GetNormalizedOCLCNumber( $record, $marcflavour );
 303                 $this_item->{'normalized_isbn'} = GetNormalizedISBN( undef, $record, $marcflavour );
 304
 305                 unless ( defined $this_item->{size} ) {
 306
 307                     #TT has problems with size
 308                     $this_item->{size} = q||;
 309                 }
 310
 311                 # Getting items infos for location display
 312                 my @items_infos = &GetItemsLocationInfo( $biblionumber );
 313                 $this_item->{'ITEM_RESULTS'} = \@items_infos;
 314
 315                 if (C4::Context->preference('TagsEnabled') and C4::Context->preference('TagsShowOnList')) {
 316                     $this_item->{TagLoop} = get_tags({
 317                         biblionumber => $biblionumber, approved=>1, 'sort'=>'-weight',
 318                         limit => C4::Context->preference('TagsShowOnList'),
 319                     });
 320                 }
 321
 322                 my $items = $biblio->items;
 323                 while ( my $item = $items->next ) {
 324                     $this_item->{allow_onshelf_holds} = Koha::IssuingRules->get_onshelfholds_policy( { item => $item, patron => $patron } );
 325                     last if $this_item->{allow_onshelf_holds};
 326                 }
 327
 328                 if ( grep {$_ eq $biblionumber} @cart_list) {
 329                     $this_item->{incart} = 1;
 330                 }
 331
 332                 $this_item->{biblionumber} = $biblionumber;
 333                 push @items, $this_item;
 334             }
 335
 336             $template->param(
 337                 can_manage_shelf   => $shelf->can_be_managed($loggedinuser),
 338                 can_delete_shelf   => $shelf->can_be_deleted($loggedinuser),
 339                 can_remove_biblios => $shelf->can_biblios_be_removed($loggedinuser),
 340                 can_add_biblios    => $shelf->can_biblios_be_added($loggedinuser),
 341                 itemsloop          => \@items,
 342                 sortfield          => $sortfield,
 343                 direction          => $direction,
 344             );
 345             if ( $page ) {
 346                 my $pager = $contents->pager;
 347                 $template->param(
 348                     pagination_bar => pagination_bar(
 349                         q||, $pager->last_page - $pager->first_page + 1,
 350                         $page, "page", { op => 'view', shelfnumber => $shelf->shelfnumber, sortfield => $sortfield, direction => $direction, }
 351                     ),
 352                 );
 353             }
 354         } else {
 355             push @messages, { type => 'error', code => 'unauthorized_on_view' };
 356             undef $shelf;
 357         }
 358     } else {
 359         push @messages, { type => 'error', code => 'does_not_exist' };
 360     }
 361 }
 362
 363 if ( $op eq 'list' ) {
 364     my $shelves;
 365     my ( $page, $rows ) = ( $query->param('page') || 1, 20 );
 366     if ( $category == 1 ) {
 367         $shelves = Koha::Virtualshelves->get_private_shelves({ page => $page, rows => $rows, borrowernumber => $loggedinuser, });
 368     } else {
 369         $shelves = Koha::Virtualshelves->get_public_shelves({ page => $page, rows => $rows, });
 370     }
 371
 372     my $pager = $shelves->pager;
 373     $template->param(
 374         shelves => $shelves,
 375         pagination_bar => pagination_bar(
 376             q||, $pager->last_page - $pager->first_page + 1,
 377             $page, "page", { op => 'list', category => $category, }
 378         ),
 379     );
 380 }
 381
 382 $template->param(
 383     op       => $op,
 384     referer  => $referer,
 385     shelf    => $shelf,
 386     messages => \@messages,
 387     category => $category,
 388     print    => scalar $query->param('print') || 0,
 389     listsview => 1,
 390 );
 391
 392 output_html_with_http_headers $query, $cookie, $template->output;