opac/opac-ratings-ajax.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2011 KohaAloha, NZ
   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 =head1 DESCRIPTION
  21
  22 A script that takes an ajax json query, and then inserts or modifies a star-rating.
  23
  24 =cut
  25
  26 use strict;
  27 use warnings;
  28
  29 use CGI qw ( -utf8 );
  30 use CGI::Cookie;  # need to check cookies before having CGI parse the POST request
  31
  32 use C4::Auth qw(:DEFAULT check_cookie_auth);
  33 use C4::Context;
  34 use C4::Debug;
  35 use C4::Output qw(:html :ajax pagination_bar);
  36 use C4::Ratings;
  37
  38 use Koha::Ratings;
  39
  40 use JSON;
  41
  42 my $is_ajax = is_ajax();
  43
  44 my ( $query, $auth_status );
  45 if ($is_ajax) {
  46     ( $query, $auth_status ) = &ajax_auth_cgi( {} );
  47 }
  48 else {
  49     $query = CGI->new();
  50 }
  51
  52 my $biblionumber     = $query->param('biblionumber');
  53 my $rating_value     = $query->param('rating_value');
  54 my $rating_old_value = $query->param('rating_old_value');
  55
  56 my ( $template, $loggedinuser, $cookie );
  57 if ($is_ajax) {
  58     $loggedinuser = C4::Context->userenv->{'number'};
  59 }
  60 else {
  61     ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  62         {
  63             template_name   => "opac-detail.tt",
  64             query           => $query,
  65             type            => "opac",
  66             authnotrequired => 0,                    # auth required to add tags
  67             debug           => 1,
  68         }
  69     );
  70 }
  71
  72 my $rating;
  73 $rating_value //= '';
  74
  75 if ( $rating_value eq '' ) {
  76 #### delete
  77     $rating = DelRating( $biblionumber, $loggedinuser );
  78 }
  79
  80 elsif ( $rating_value and !$rating_old_value ) {
  81     $rating = Koha::Rating->new( { biblionumber => $biblionumber, borrowernumber => $loggedinuser, rating_value => $rating_value, })->store;
  82 }
  83
  84 elsif ( $rating_value ne $rating_old_value ) {
  85 #### mod
  86     $rating = ModRating( $biblionumber, $loggedinuser, $rating_value );
  87 }
  88
  89 my %js_reply = (
  90     rating_total   => $rating->{'rating_total'},
  91     rating_avg     => $rating->{'rating_avg'},
  92     rating_avg_int => $rating->{'rating_avg_int'},
  93     rating_value   => $rating->{'rating_value'},
  94     auth_status    => $auth_status,
  95
  96 );
  97
  98 my $json_reply = JSON->new->encode( \%js_reply );
  99
 100 #### $rating
 101 #### %js_reply
 102 #### $json_reply
 103
 104 output_ajax_with_http_headers( $query, $json_reply );
 105 exit;
 106
 107 # a ratings specific ajax return sub, returns CGI object, and an 'auth_success' value
 108 sub ajax_auth_cgi {
 109     my $needed_flags = shift;
 110     my %cookies      = CGI::Cookie->fetch;
 111     my $input        = CGI->new;
 112     my $sessid = $cookies{'CGISESSID'}->value || $input->param('CGISESSID');
 113     my ( $auth_status, $auth_sessid ) =
 114       check_cookie_auth( $sessid, $needed_flags );
 115     return $input, $auth_status;
 116 }