C4/Review.pm

   1 package C4::Review;
   2
   3 # Copyright 2000-2002 Katipo Communications
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along with
  17 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  18 # Suite 330, Boston, MA  02111-1307 USA
  19
  20 use strict;
  21 use warnings;
  22
  23 use C4::Context;
  24
  25 use vars qw($VERSION @ISA @EXPORT);
  26
  27 BEGIN {
  28         # set the version for version checking
  29         $VERSION = 3.00;
  30         require Exporter;
  31         @ISA    = qw(Exporter);
  32         @EXPORT = qw(getreview savereview updatereview numberofreviews
  33                 getreviews getallreviews approvereview deletereview);
  34 }
  35
  36 =head1 NAME
  37
  38 C4::Review - Perl Module containing routines for dealing with reviews of items
  39
  40 =head1 SYNOPSIS
  41
  42   use C4::Review;
  43
  44   my $review=getreview($biblionumber,$borrowernumber);
  45   savereview($biblionumber,$borrowernumber,$review);
  46   updatereview($biblionumber,$borrowernumber,$review);
  47   my $count=numberofreviews($biblionumber);
  48   my $reviews=getreviews($biblionumber);
  49   my $reviews=getallreviews($status);
  50
  51 =head1 DESCRIPTION
  52
  53 Review.pm provides many routines for manipulating reviews.
  54
  55 =head1 FUNCTIONS
  56
  57 =head2 getreview
  58
  59   $review = getreview($biblionumber,$borrowernumber);
  60
  61 Takes a borrowernumber and a biblionumber and returns the review of that biblio
  62
  63 =cut
  64
  65 sub getreview {
  66     my ( $biblionumber, $borrowernumber ) = @_;
  67     my $dbh   = C4::Context->dbh;
  68     my $query =
  69       "SELECT * FROM reviews WHERE biblionumber=? and borrowernumber=?";
  70     my $sth = $dbh->prepare($query);
  71     $sth->execute( $biblionumber, $borrowernumber );
  72     return $sth->fetchrow_hashref();
  73 }
  74
  75 sub savereview {
  76     my ( $biblionumber, $borrowernumber, $review ) = @_;
  77     my $dbh   = C4::Context->dbh;
  78     my $query = "INSERT INTO reviews (borrowernumber,biblionumber,
  79         review,approved,datereviewed) VALUES
  80   (?,?,?,0,now())";
  81     my $sth = $dbh->prepare($query);
  82     $sth->execute( $borrowernumber, $biblionumber, $review);
  83 }
  84
  85 sub updatereview {
  86     my ( $biblionumber, $borrowernumber, $review ) = @_;
  87     my $dbh   = C4::Context->dbh;
  88     my $query = "UPDATE reviews SET review=?,datereviewed=now(),approved=0  WHERE borrowernumber=? and biblionumber=?";
  89     my $sth = $dbh->prepare($query);
  90     $sth->execute( $review, $borrowernumber, $biblionumber );
  91 }
  92
  93 sub numberofreviews {
  94     my ($biblionumber) = @_;
  95     my $dbh            = C4::Context->dbh;
  96     my $query          =
  97       "SELECT count(*) FROM reviews WHERE biblionumber=? and approved=?";
  98     my $sth = $dbh->prepare($query);
  99     $sth->execute( $biblionumber, 1 );
 100         return $sth->fetchrow;
 101 }
 102
 103 sub getreviews {
 104     my ( $biblionumber, $approved ) = @_;
 105     my $dbh   = C4::Context->dbh;
 106     my $query =
 107 "SELECT * FROM reviews WHERE biblionumber=? and approved=? order by datereviewed desc";
 108     my $sth = $dbh->prepare($query) || warn $dbh->err_str;
 109     $sth->execute( $biblionumber, $approved );
 110         return $sth->fetchall_arrayref({});
 111 }
 112
 113 sub getallreviews {
 114     my ($status) = @_;
 115     my $dbh      = C4::Context->dbh;
 116     my $query    =
 117       "SELECT * FROM reviews WHERE approved=? order by datereviewed desc";
 118     my $sth = $dbh->prepare($query);
 119     $sth->execute($status);
 120         return $sth->fetchall_arrayref({});
 121 }
 122
 123 =head2 approvereview
 124
 125   approvereview($reviewid);
 126
 127 Takes a reviewid and marks that review approved
 128
 129 =cut
 130
 131 sub approvereview {
 132     my ($reviewid) = @_;
 133     my $dbh        = C4::Context->dbh();
 134     my $query      = "UPDATE reviews
 135                SET approved=?
 136                WHERE reviewid=?";
 137     my $sth = $dbh->prepare($query);
 138     $sth->execute( 1, $reviewid );
 139 }
 140
 141 =head2 deletereview
 142
 143   deletereview($reviewid);
 144
 145 Takes a reviewid and deletes it
 146
 147 =cut
 148
 149 sub deletereview {
 150     my ($reviewid) = @_;
 151     my $dbh        = C4::Context->dbh();
 152     my $query      = "DELETE FROM reviews
 153                WHERE reviewid=?";
 154     my $sth = $dbh->prepare($query);
 155     $sth->execute($reviewid);
 156 }
 157
 158 1;
 159 __END__
 160
 161 =head1 AUTHOR
 162
 163 Koha Team
 164
 165 =cut