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   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 under the
   9 # terms of the GNU General Public License as published by the Free Software
  10 # Foundation; either version 2 of the License, or (at your option) any later
  11 # version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along with
  18 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  19 # Suite 330, Boston, MA  02111-1307 USA
  20
  21 # perldoc at the end of the file, per convention.
  22
  23 use strict;
  24 use warnings;
  25 use CGI;
  26 use C4::VirtualShelves qw/:DEFAULT GetShelvesSummary/;
  27 use C4::Biblio;
  28 use C4::Items;
  29 use C4::Koha;
  30 use C4::Auth qw/get_session/;
  31 use C4::Members;
  32 use C4::Output;
  33 use Exporter;
  34
  35 use vars qw($debug @EXPORT @ISA $VERSION);
  36
  37 BEGIN {
  38         $VERSION = 1.01;
  39         @ISA = qw(Exporter);
  40         @EXPORT = qw(&shelfpage);
  41     $debug = $ENV{DEBUG} || 0;
  42 }
  43
  44 our %pages = (
  45         intranet => {
  46                 redirect=>'/cgi-bin/koha/virtualshelves/shelves.pl',
  47         },
  48         opac => {
  49                 redirect=>'/cgi-bin/koha/opac-shelves.pl',
  50         },
  51 );
  52
  53 sub shelfpage ($$$$$) {
  54         my ($type, $query, $template, $loggedinuser, $cookie ) = @_;
  55         ($pages{$type}) or $type = 'opac';
  56         $query or die "No query";
  57         $template or die "No template";
  58         $template->param( { loggedinuser => $loggedinuser } );
  59         my @paramsloop;
  60         # getting the Shelves list
  61         my $shelflist = GetShelves( $loggedinuser, 2 );
  62         my $op = $query->param('op');
  63     my $imgdir = getitemtypeimagesrc();
  64     my $itemtypes = GetItemTypes();
  65
  66 # the format of this is unindented for ease of diff comparison to the old script
  67 # Note: do not mistake the assignment statements below for comparisons!
  68
  69 if ( $query->param('modifyshelfcontents') ) {
  70         my ($shelfnumber,$barcode,$item,$biblio);
  71     if ($shelfnumber = $query->param('viewshelf')) {
  72         if (ShelfPossibleAction($loggedinuser, $shelfnumber, 'manage')) {
  73                 if ($barcode = $query->param('addbarcode')) {
  74                         if ($item = GetItem( 0, $barcode )) {
  75                                 $biblio = GetBiblioFromItemNumber($item->{'itemnumber'});
  76                                 AddToShelf($biblio->{'biblionumber'}, $shelfnumber) or
  77                                                 push @paramsloop, {duplicatebiblio=>$barcode};
  78                                 } else { push @paramsloop, {failgetitem=>$barcode}; }
  79                 } else {
  80                                 (grep {/REM-(\d+)/} $query->param) or push @paramsloop, {nobarcode=>1};
  81                         foreach ($query->param) {
  82                                         /REM-(\d+)/ or next;
  83                                         $debug and warn
  84                                                 "SHELVES: user $loggedinuser removing item $1 from shelf $shelfnumber";
  85                                         DelFromShelf($1, $shelfnumber);  # $1 is biblionumber
  86                                 }
  87                         }
  88                 } else { push @paramsloop, {nopermission=>$shelfnumber}; }
  89     } else { push @paramsloop, {noshelfnumber=>1}; }
  90 }
  91
  92 my $showadd = 1;
  93 # set the default tab, etc. (for OPAC)
  94 my $shelf_type = $query->param('display');
  95 if (defined $shelf_type) {
  96         if ($shelf_type eq 'privateshelves')  {
  97                 $template->param(showprivateshelves => 1);
  98         } elsif ($shelf_type eq 'publicshelves') {
  99                 $template->param(showpublicshelves => 1);
 100                 $showadd = 0;
 101         } else {
 102                 $debug and warn "Invalid 'display' param ($shelf_type)";
 103         }
 104 } else {
 105         $template->param(showprivateshelves => 1);
 106 }
 107
 108 my($okmanage, $okview);
 109 my $shelfnumber = $query->param('shelfnumber') || $query->param('viewshelf');
 110 if ($shelfnumber) {
 111         $okmanage = &ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' );
 112         $okview   = &ShelfPossibleAction( $loggedinuser, $shelfnumber, 'view' );
 113 }
 114
 115 SWITCH: {
 116         if ( $op ) {
 117                 unless ($okmanage) {
 118                         push @paramsloop, {nopermission=>$shelfnumber};
 119                         last SWITCH;
 120                 }
 121                 if ( $op eq 'modifsave' ) {
 122                         my $shelf = {
 123                         'shelfname'             => $query->param('shelfname'),
 124                                 'category'              => $query->param('category'),
 125                                 'sortfield'             => $query->param('sortfield'),
 126                         };
 127                         $shelf->{'owner'} = $loggedinuser if $type eq 'intranet';       #we only overwrite the list owner if &ModShelf was called from the staff client
 128
 129                         ModShelf( $shelfnumber, $shelf );
 130                         $shelflist = GetShelves( $loggedinuser, 2 );    # refresh after mods
 131                 } elsif ( $op eq 'modif' ) {
 132                         my ( $shelfnumber2, $shelfname, $owner, $category, $sortfield ) =GetShelf( $shelfnumber );
 133                         $template->param(
 134                                 edit                => 1,
 135                                 shelfnumber         => $shelfnumber2,
 136                                 shelfname           => $shelfname,
 137                                 owner               => $owner,
 138                                 "category$category"     => 1,
 139                                 category                        => $category,
 140                                 "sort_$sortfield"   => 1,
 141                         );
 142                 }
 143                 last SWITCH;
 144         }
 145     if ($shelfnumber = $query->param('viewshelf') ) {
 146         #check that the user can view the shelf
 147                 if ( ShelfPossibleAction( $loggedinuser, $shelfnumber, 'view' ) ) {
 148                         my $items = GetShelfContents($shelfnumber);
 149                         for my $this_item (@$items) {
 150                                 $this_item->{imageurl} = $imgdir."/".$itemtypes->{ $this_item->{itemtype}  }->{'imageurl'};
 151                                 $this_item->{'description'} = $itemtypes->{ $this_item->{itemtype} }->{'description'};
 152                         }
 153                         $showadd = 1;
 154                         my $i = 0;
 155                         foreach (grep {$i++ % 2} @$items) {     # every other item
 156                                 $_->{toggle} = 1;
 157                         }
 158                         # my $manageshelf = &ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' );
 159                         # ($manageshelf) and $showadd = 1;
 160                         $template->param(
 161                                 shelfname   => $shelflist->{$shelfnumber}->{'shelfname'},
 162                                 shelfnumber => $shelfnumber,
 163                                 viewshelf   => $shelfnumber,
 164                                 manageshelf => &ShelfPossibleAction( $loggedinuser, $shelfnumber, 'manage' ),
 165                                 itemsloop => $items,
 166                         );
 167                 } else { push @paramsloop, {nopermission=>$shelfnumber} };
 168         last SWITCH;
 169     }
 170     if ( $query->param('shelves') ) {
 171                 my $stay = 1;
 172         if (my $newshelf = $query->param('addshelf')) {
 173                         # note: a user can always add a new shelf
 174             my $shelfnumber = AddShelf(
 175                 $newshelf,
 176                 $query->param('owner'),
 177                 $query->param('category')
 178             );
 179                         $stay = 1;
 180             if ( $shelfnumber == -1 ) {    #shelf already exists.
 181                                 $showadd = 1;
 182                                 push @paramsloop, { already => $newshelf };
 183                 $template->param(shelfnumber => $shelfnumber);
 184             } else {
 185                 print $query->redirect($pages{$type}->{redirect} . "?viewshelf=$shelfnumber");
 186                 exit;
 187                         }
 188         }
 189                 foreach ($query->param()) {
 190                         /DEL-(\d+)/ or next;
 191                         my $number = $1;
 192                         unless (defined $shelflist->{$number}) {
 193                                 push(@paramsloop, {unrecognized=>$number}); last;
 194                         }
 195                         unless (ShelfPossibleAction($loggedinuser, $number, 'manage')) {
 196                                 push(@paramsloop, {nopermission=>$shelfnumber}); last;
 197                         }
 198                         my $contents = GetShelfContents($number);
 199                         if (my $count = scalar @$contents){
 200                                 unless (scalar grep {/^CONFIRM-$number$/} $query->param()) {
 201                                         push(@paramsloop, {need_confirm=>$shelflist->{$number}->{shelfname}, count=>$count});
 202                                         $shelflist->{$number}->{confirm} = $number;
 203                                         $stay = 0;
 204                                         next;
 205                                 }
 206                         }
 207                         my $name = $shelflist->{$number}->{'shelfname'};
 208                         unless (DelShelf($number)) {
 209                                 push(@paramsloop, {delete_fail=>$name}); last;
 210                         }
 211                         delete $shelflist->{$number};
 212                         push(@paramsloop, {delete_ok=>$name});
 213                         # print $query->redirect($pages{$type}->{redirect}); exit;
 214                         $stay = 0;
 215                 }
 216                 $showadd = 1;
 217                 $stay and $template->param(shelves => 1);
 218                 last SWITCH;
 219         }
 220 }
 221
 222 (@paramsloop) and $template->param(paramsloop => \@paramsloop);
 223 # rebuild shelflist in case a shelf has been added
 224 # $shelflist = GetShelves( $loggedinuser, 2 );
 225 $showadd and $template->param(showadd => 1);
 226 my @shelvesloop;
 227 my @shelveslooppriv;
 228 my $numberCanManage = 0;
 229
 230 foreach my $element (sort { lc($shelflist->{$a}->{'shelfname'}) cmp lc($shelflist->{$b}->{'shelfname'}) } keys %$shelflist) {
 231         my %line;
 232         $shelflist->{$element}->{shelf} = $element;
 233         my $category = $shelflist->{$element}->{'category'};
 234         my $owner    = $shelflist->{$element}->{ 'owner'  };
 235         my $canmanage = ShelfPossibleAction( $loggedinuser, $element, 'manage' );
 236         $shelflist->{$element}->{"viewcategory$category"} = 1;
 237         $shelflist->{$element}->{canmanage} = $canmanage;
 238         if ($owner eq $loggedinuser or $canmanage) {
 239                 $shelflist->{$element}->{'mine'} = 1;
 240         }
 241         my $member = GetMember($owner,'borrowernumber');
 242         $shelflist->{$element}->{ownername} = defined($member) ? $member->{firstname} . " " . $member->{surname} : '';
 243         $numberCanManage++ if $canmanage;       # possibly outmoded
 244         if ($shelflist->{$element}->{'category'} eq '1') {
 245                 (scalar(@shelveslooppriv) % 2) and $shelflist->{$element}->{toggle} = 1;
 246                 push (@shelveslooppriv, $shelflist->{$element});
 247         } else {
 248                 (scalar(@shelvesloop)     % 2) and $shelflist->{$element}->{toggle} = 1;
 249                 push (@shelvesloop, $shelflist->{$element});
 250         }
 251 }
 252
 253 $template->param(
 254     shelveslooppriv => \@shelveslooppriv,
 255     shelvesloop     => \@shelvesloop,
 256     shelvesloopall  => [(@shelvesloop, @shelveslooppriv)],
 257     numberCanManage => $numberCanManage,
 258         "BiblioDefaultView".C4::Context->preference("BiblioDefaultView") => 1,
 259 );
 260 if ($template->param('viewshelf') or
 261         $template->param( 'shelves' ) or
 262         $template->param(  'edit'   ) ) {
 263         $template->param(vseflag => 1);
 264 }
 265 if ($template->param( 'shelves' ) or
 266         $template->param(  'edit'   ) ) {
 267         $template->param( seflag => 1);
 268 }
 269
 270 my $sessionID = $query->cookie("CGISESSID") ;
 271 my $session = get_session($sessionID);
 272 my $shelves = GetShelvesSummary($loggedinuser, 2, 10);
 273 $session->param('shelves', $shelves);
 274 $template->param( barshelves     => scalar (@$shelves));
 275 $template->param( barshelvesloop => $shelves);
 276
 277 output_html_with_http_headers $query, $cookie, $template->output;
 278 }
 279
 280 1;
 281 __END__
 282
 283 =head1 NAME
 284
 285     VirtualShelves/Page.pm
 286
 287 =head1 DESCRIPTION
 288
 289     Module used for both OPAC and intranet pages.
 290
 291 =head1 CGI PARAMETERS
 292
 293 =over 4
 294
 295 =item C<modifyshelfcontents>
 296
 297     If this script has to modify the shelf content.
 298
 299 =item C<shelfnumber>
 300
 301     To know on which shelf to work.
 302
 303 =item C<addbarcode>
 304
 305 =item C<op>
 306
 307     Op can be:
 308         * modif: show the template allowing modification of the shelves;
 309         * modifsave: save changes from modif mode.
 310
 311 =item C<viewshelf>
 312
 313     Load template with 'viewshelves param' displaying the shelf's information.
 314
 315 =item C<shelves>
 316
 317     If the param shelves == 1, then add or delete a shelf.
 318
 319 =item C<addshelf>
 320
 321     If the param shelves == 1, then addshelf is the name of the shelf to add.
 322
 323 =back
 324
 325 =cut