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