Koha/Hold.pm

   1 package Koha::Hold;
   2
   3 # Copyright ByWater Solutions 2014
   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 3 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
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use Modern::Perl;
  21
  22 use Carp;
  23
  24 use C4::Context qw(preference);
  25
  26 use Koha::DateUtils qw(dt_from_string);
  27 use Koha::Borrowers;
  28 use Koha::Biblios;
  29 use Koha::Items;
  30 use Koha::Libraries;
  31
  32 use base qw(Koha::Object);
  33
  34 =head1 NAME
  35
  36 Koha::Hold - Koha Hold object class
  37
  38 =head1 API
  39
  40 =head2 Class Methods
  41
  42 =cut
  43
  44 =head3 waiting_expires_on
  45
  46 Returns a DateTime for the date a waiting holds expires on.
  47 Returns undef if the system peference ReservesMaxPickUpDelay is not set.
  48 Returns undef if the hold is not waiting ( found = 'W' ).
  49
  50 =cut
  51
  52 sub waiting_expires_on {
  53     my ($self) = @_;
  54
  55     my $found = $self->found;
  56     return unless $found && $found eq 'W';
  57
  58     my $ReservesMaxPickUpDelay = C4::Context->preference('ReservesMaxPickUpDelay');
  59     return unless $ReservesMaxPickUpDelay;
  60
  61     my $dt = dt_from_string( $self->waitingdate() );
  62
  63     $dt->add( days => $ReservesMaxPickUpDelay );
  64
  65     return $dt;
  66 }
  67
  68 =head3 is_found
  69
  70 Returns true if hold is a waiting or in transit
  71
  72 =cut
  73
  74 sub is_found {
  75     my ($self) = @_;
  76
  77     return 0 unless $self->found();
  78     return 1 if $self->found() eq 'W';
  79     return 1 if $self->found() eq 'T';
  80 }
  81
  82 =head3 is_waiting
  83
  84 Returns true if hold is a waiting hold
  85
  86 =cut
  87
  88 sub is_waiting {
  89     my ($self) = @_;
  90
  91     my $found = $self->found;
  92     return $found && $found eq 'W';
  93 }
  94
  95 =head3 is_in_transit
  96
  97 Returns true if hold is a in_transit hold
  98
  99 =cut
 100
 101 sub is_in_transit {
 102     my ($self) = @_;
 103
 104     return 0 unless $self->found();
 105     return $self->found() eq 'T';
 106 }
 107
 108 =head3 is_cancelable
 109
 110 Returns true if hold is a cancelable hold
 111
 112 Holds may be canceled if they not found, or
 113 are found and waiting. A hold found but in
 114 transit cannot be canceled.
 115
 116 =cut
 117
 118 sub is_cancelable {
 119     my ($self) = @_;
 120
 121     return 1 unless $self->is_found();
 122     return 0 if $self->is_in_transit();
 123     return 1 if $self->is_waiting();
 124     return 0;
 125 }
 126
 127 =head3 is_at_destination
 128
 129 Returns true if hold is waiting
 130 and the hold's pickup branch matches
 131 the hold item's holding branch
 132
 133 =cut
 134
 135 sub is_at_destination {
 136     my ($self) = @_;
 137
 138     return $self->is_waiting() && ( $self->branchcode() eq $self->item()->holdingbranch() );
 139 }
 140
 141 =head3 biblio
 142
 143 Returns the related Koha::Biblio object for this hold
 144
 145 =cut
 146
 147 sub biblio {
 148     my ($self) = @_;
 149
 150     $self->{_biblio} ||= Koha::Biblios->find( $self->biblionumber() );
 151
 152     return $self->{_biblio};
 153 }
 154
 155 =head3 item
 156
 157 Returns the related Koha::Item object for this Hold
 158
 159 =cut
 160
 161 sub item {
 162     my ($self) = @_;
 163
 164     $self->{_item} ||= Koha::Items->find( $self->itemnumber() );
 165
 166     return $self->{_item};
 167 }
 168
 169 =head3 branch
 170
 171 Returns the related Koha::Library object for this Hold
 172
 173 =cut
 174
 175 sub branch {
 176     my ($self) = @_;
 177
 178     $self->{_branch} ||= Koha::Libraries->find( $self->branchcode() );
 179
 180     return $self->{_branch};
 181 }
 182
 183 =head3 borrower
 184
 185 Returns the related Koha::Borrower object for this Hold
 186
 187 =cut
 188
 189 sub borrower {
 190     my ($self) = @_;
 191
 192     $self->{_borrower} ||= Koha::Borrowers->find( $self->borrowernumber() );
 193
 194     return $self->{_borrower};
 195 }
 196
 197 =head3 type
 198
 199 =cut
 200
 201 sub type {
 202     return 'Reserve';
 203 }
 204
 205 =head1 AUTHOR
 206
 207 Kyle M Hall <kyle@bywatersolutions.com>
 208
 209 =cut
 210
 211 1;