opac/opac-showreviews.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2000-2002 Katipo Communications
   4 # Parts copyright 2010 Nelsonville Public Library
   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 use Modern::Perl;
  22
  23 use CGI qw ( -utf8 );
  24 use C4::Auth;
  25 use C4::Koha;
  26 use C4::Output;
  27 use C4::Circulation;
  28 use C4::Biblio;
  29 use Koha::DateUtils;
  30 use Koha::Patrons;
  31 use Koha::Reviews;
  32 use POSIX qw(ceil floor strftime);
  33
  34 my $template_name;
  35 my $query = new CGI;
  36 my $format = $query->param("format") || '';
  37 my $count = C4::Context->preference('OPACnumSearchResults') || 20;
  38 my $results_per_page = $query->param('count') || $count;
  39 my $offset = $query->param('offset') || 0;
  40 my $page = floor( $offset / $results_per_page ) + 1;
  41
  42 if ($format eq "rss") {
  43     $template_name = "opac-showreviews-rss.tt";
  44 } else {
  45     $template_name = "opac-showreviews.tt",
  46 }
  47
  48 my ( $template, $borrowernumber, $cookie ) = &get_template_and_user(
  49     {
  50         template_name   => $template_name,
  51         query           => $query,
  52         type            => "opac",
  53         authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ),
  54     }
  55 );
  56
  57 if($format eq "rss"){
  58     my $lastbuilddate = dt_from_string;
  59     my $lastbuilddate_output = $lastbuilddate->strftime("%a, %d %b %Y %H:%M:%S %z");
  60     $template->param(
  61         rss => 1,
  62         timestamp => $lastbuilddate_output
  63         );
  64 }
  65
  66 my $libravatar_enabled = 0;
  67 if ( C4::Context->preference('ShowReviewer') and C4::Context->preference('ShowReviewerPhoto')) {
  68     eval {
  69         require Libravatar::URL;
  70         Libravatar::URL->import();
  71     };
  72     if ( !$@ ) {
  73         $libravatar_enabled = 1;
  74     }
  75 }
  76
  77 my $reviews = Koha::Reviews->search(
  78     { approved => 1 },
  79     {
  80         rows => $results_per_page,
  81         page => $page,
  82         order_by => { -desc => 'datereviewed' },
  83     }
  84 )->unblessed;
  85 my $marcflavour      = C4::Context->preference("marcflavour");
  86 my $hits = Koha::Reviews->search({ approved => 1 })->count;
  87 my $i = 0;
  88 my $latest_comment_date;
  89 for my $result (@$reviews){
  90     my $biblionumber = $result->{biblionumber};
  91     my $biblio = Koha::Biblios->find( $biblionumber );
  92     my $biblioitem = $biblio->biblioitem;
  93     my $record = GetMarcBiblio({ biblionumber => $biblionumber });
  94         $result->{normalized_upc} = GetNormalizedUPC($record,$marcflavour);
  95         $result->{normalized_ean} = GetNormalizedEAN($record,$marcflavour);
  96         $result->{normalized_oclc} = GetNormalizedOCLCNumber($record,$marcflavour);
  97         $result->{normalized_isbn} = GetNormalizedISBN(undef,$record,$marcflavour);
  98     $result->{title} = $biblio->title;
  99     $result->{subtitle} = $biblio->subtitle;
 100     $result->{medium} = $biblio->medium;
 101     $result->{part_number} = $biblio->part_number;
 102     $result->{part_name} = $biblio->part_name;
 103     $result->{author} = $biblio->author;
 104     $result->{place} = $biblioitem->place;
 105     $result->{publishercode} = $biblioitem->publishercode;
 106     $result->{copyrightdate} = $biblio->copyrightdate;
 107     $result->{pages} = $biblioitem->pages;
 108     $result->{size} = $biblioitem->size;
 109     $result->{notes} = $biblioitem->notes;
 110     $result->{timestamp} = $biblioitem->timestamp;
 111
 112     my $patron = Koha::Patrons->find( $result->{borrowernumber} );
 113     if ( $patron ) {
 114         $result->{borrtitle} = $patron->title;
 115         $result->{firstname} = $patron->firstname;
 116         $result->{surname} = $patron->surname;
 117         $result->{userid} = $patron->userid;
 118             if ($libravatar_enabled and $patron->email) {
 119                 $result->{avatarurl} = libravatar_url(email => $patron->email, size => 40, https => $ENV{HTTPS});
 120             }
 121
 122         if ($result->{borrowernumber} eq $borrowernumber) {
 123             $result->{your_comment} = 1;
 124         }
 125     }
 126
 127     if($format eq "rss"){
 128         my $rsstimestamp = eval { dt_from_string( $result->{datereviewed} ); };
 129         $rsstimestamp = dt_from_string unless ( $rsstimestamp ); #default to today if something went wrong
 130         my $rsstimestamp_output = $rsstimestamp->strftime("%a, %d %b %Y %H:%M:%S %z");
 131         $result->{timestamp} = $rsstimestamp_output;
 132     }
 133 }
 134 ## Build the page numbers on the bottom of the page
 135             my @page_numbers;
 136             my $previous_page_first;
 137             my $previous_page_offset;
 138             # total number of pages there will be
 139             my $pages = ceil($hits / $results_per_page);
 140             # default page number
 141             my $current_page_number = 1;
 142             $current_page_number = ($offset / $results_per_page + 1) if $offset;
 143             if($offset - $results_per_page == 0){
 144                 $previous_page_first = 1;
 145             } elsif ($offset - $results_per_page > 0){
 146                 $previous_page_offset = $offset - $results_per_page;
 147             }
 148             my $next_page_offset = $offset + $results_per_page;
 149             # If we're within the first 10 pages, keep it simple
 150             if ($current_page_number < 10) {
 151                 # just show the first 10 pages
 152                 # Loop through the pages
 153                 my $pages_to_show = 10;
 154                 $pages_to_show = $pages if $pages<10;
 155                 for ($i=1; $i<=$pages_to_show;$i++) {
 156                     # the offset for this page
 157                     my $this_offset = (($i*$results_per_page)-$results_per_page);
 158                     # the page number for this page
 159                     my $this_page_number = $i;
 160                     # it should only be highlighted if it's the current page
 161                     my $highlight;
 162             $highlight = 1 if ($this_page_number == $current_page_number);
 163                     # put it in the array
 164                     push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight };
 165
 166                 }
 167
 168             }
 169             # now, show twenty pages, with the current one smack in the middle
 170             else {
 171                 for ($i=$current_page_number; $i<=($current_page_number + 20 );$i++) {
 172                     my $this_offset = ((($i-9)*$results_per_page)-$results_per_page);
 173                     my $this_page_number = $i-9;
 174                     my $highlight;
 175             $highlight = 1 if ($this_page_number == $current_page_number);
 176                     if ($this_page_number <= $pages) {
 177                         push @page_numbers, { offset => $this_offset, pg => $this_page_number, highlight => $highlight };
 178                     }
 179                 }
 180             }
 181 $template->param(   PAGE_NUMBERS => \@page_numbers,
 182                     previous_page_first => $previous_page_first,
 183                     previous_page_offset => $previous_page_offset) unless $pages < 2;
 184 $template->param(next_page_offset => $next_page_offset) unless $pages eq $current_page_number;
 185
 186 $template->param(
 187     reviews => $reviews,
 188     results_per_page => $results_per_page,
 189 );
 190
 191 output_html_with_http_headers $query, $cookie, $template->output;