Koha/Hold.pm

   1 package Koha::Hold;
   2
   3 # Copyright ByWater Solutions 2014
   4 # Copyright 2017 Koha Development team
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it under the
   9 # terms of the GNU General Public License as published by the Free Software
  10 # Foundation; either version 3 of the License, or (at your option) any later
  11 # version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with Koha; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21 use Modern::Perl;
  22
  23 use Carp;
  24 use Data::Dumper qw(Dumper);
  25
  26 use C4::Context qw(preference);
  27 use C4::Log;
  28
  29 use Koha::DateUtils qw(dt_from_string output_pref);
  30 use Koha::Patrons;
  31 use Koha::Biblios;
  32 use Koha::Items;
  33 use Koha::Libraries;
  34 use Koha::Old::Holds;
  35 use Koha::Calendar;
  36
  37 use Koha::Exceptions::Hold;
  38
  39 use base qw(Koha::Object);
  40
  41 =head1 NAME
  42
  43 Koha::Hold - Koha Hold object class
  44
  45 =head1 API
  46
  47 =head2 Class Methods
  48
  49 =cut
  50
  51 =head3 age
  52
  53 returns the number of days since a hold was placed, optionally
  54 using the calendar
  55
  56 my $age = $hold->age( $use_calendar );
  57
  58 =cut
  59
  60 sub age {
  61     my ( $self, $use_calendar ) = @_;
  62
  63     my $today = dt_from_string;
  64     my $age;
  65
  66     if ( $use_calendar ) {
  67         my $calendar = Koha::Calendar->new( branchcode => $self->branchcode );
  68         $age = $calendar->days_between( dt_from_string( $self->reservedate ), $today );
  69     }
  70     else {
  71         $age = $today->delta_days( dt_from_string( $self->reservedate ) );
  72     }
  73
  74     $age = $age->in_units( 'days' );
  75
  76     return $age;
  77 }
  78
  79 =head3 suspend_hold
  80
  81 my $hold = $hold->suspend_hold( $suspend_until_dt );
  82
  83 =cut
  84
  85 sub suspend_hold {
  86     my ( $self, $dt ) = @_;
  87
  88     my $date = $dt ? $dt->clone()->truncate( to => 'day' )->datetime : undef;
  89
  90     if ( $self->is_found ) {    # We can't suspend found holds
  91         if ( $self->is_waiting ) {
  92             Koha::Exceptions::Hold::CannotSuspendFound->throw( status => 'W' );
  93         }
  94         elsif ( $self->is_in_transit ) {
  95             Koha::Exceptions::Hold::CannotSuspendFound->throw( status => 'T' );
  96         }
  97         else {
  98             Koha::Exceptions::Hold::CannotSuspendFound->throw(
  99                       'Unhandled data exception on found hold (id='
 100                     . $self->id
 101                     . ', found='
 102                     . $self->found
 103                     . ')' );
 104         }
 105     }
 106
 107     $self->suspend(1);
 108     $self->suspend_until($date);
 109     $self->store();
 110
 111     logaction( 'HOLDS', 'SUSPEND', $self->reserve_id, Dumper( $self->unblessed ) )
 112         if C4::Context->preference('HoldsLog');
 113
 114     return $self;
 115 }
 116
 117 =head3 resume
 118
 119 my $hold = $hold->resume();
 120
 121 =cut
 122
 123 sub resume {
 124     my ( $self ) = @_;
 125
 126     $self->suspend(0);
 127     $self->suspend_until( undef );
 128
 129     $self->store();
 130
 131     logaction( 'HOLDS', 'RESUME', $self->reserve_id, Dumper($self->unblessed) )
 132         if C4::Context->preference('HoldsLog');
 133
 134     return $self;
 135 }
 136
 137 =head3 delete
 138
 139 $hold->delete();
 140
 141 =cut
 142
 143 sub delete {
 144     my ( $self ) = @_;
 145
 146     my $deleted = $self->SUPER::delete($self);
 147
 148     logaction( 'HOLDS', 'DELETE', $self->reserve_id, Dumper($self->unblessed) )
 149         if C4::Context->preference('HoldsLog');
 150
 151     return $deleted;
 152 }
 153
 154 =head3 set_waiting
 155
 156 =cut
 157
 158 sub set_waiting {
 159     my ( $self, $transferToDo ) = @_;
 160
 161     $self->priority(0);
 162
 163     if ($transferToDo) {
 164         $self->found('T')->store();
 165         return $self;
 166     }
 167
 168     my $today = dt_from_string();
 169     my $values = {
 170         found => 'W',
 171         waitingdate => $today->ymd,
 172     };
 173
 174     my $requested_expiration;
 175     if ($self->expirationdate) {
 176         $requested_expiration = dt_from_string($self->expirationdate);
 177     }
 178
 179     my $max_pickup_delay = C4::Context->preference("ReservesMaxPickUpDelay");
 180     my $cancel_on_holidays = C4::Context->preference('ExpireReservesOnHolidays');
 181     my $calendar = Koha::Calendar->new( branchcode => $self->branchcode );
 182
 183     my $expirationdate = $today->clone;
 184     $expirationdate->add(days => $max_pickup_delay);
 185
 186     if ( C4::Context->preference("ExcludeHolidaysFromMaxPickUpDelay") ) {
 187         $expirationdate = $calendar->days_forward( dt_from_string(), $max_pickup_delay );
 188     }
 189
 190     # If patron's requested expiration date is prior to the
 191     # calculated one, we keep the patron's one.
 192     my $cmp = $requested_expiration ? DateTime->compare($requested_expiration, $expirationdate) : 0;
 193     $values->{expirationdate} = $cmp == -1 ? $requested_expiration->ymd : $expirationdate->ymd;
 194
 195     $self->set($values)->store();
 196
 197     return $self;
 198 }
 199
 200 =head3 is_found
 201
 202 Returns true if hold is a waiting or in transit
 203
 204 =cut
 205
 206 sub is_found {
 207     my ($self) = @_;
 208
 209     return 0 unless $self->found();
 210     return 1 if $self->found() eq 'W';
 211     return 1 if $self->found() eq 'T';
 212 }
 213
 214 =head3 is_waiting
 215
 216 Returns true if hold is a waiting hold
 217
 218 =cut
 219
 220 sub is_waiting {
 221     my ($self) = @_;
 222
 223     my $found = $self->found;
 224     return $found && $found eq 'W';
 225 }
 226
 227 =head3 is_in_transit
 228
 229 Returns true if hold is a in_transit hold
 230
 231 =cut
 232
 233 sub is_in_transit {
 234     my ($self) = @_;
 235
 236     return 0 unless $self->found();
 237     return $self->found() eq 'T';
 238 }
 239
 240 =head3 is_cancelable_from_opac
 241
 242 Returns true if hold is a cancelable hold
 243
 244 Holds may be only canceled if they are not found.
 245
 246 This is used from the OPAC.
 247
 248 =cut
 249
 250 sub is_cancelable_from_opac {
 251     my ($self) = @_;
 252
 253     return 1 unless $self->is_found();
 254     return 0; # if ->is_in_transit or if ->is_waiting
 255 }
 256
 257 =head3 is_at_destination
 258
 259 Returns true if hold is waiting
 260 and the hold's pickup branch matches
 261 the hold item's holding branch
 262
 263 =cut
 264
 265 sub is_at_destination {
 266     my ($self) = @_;
 267
 268     return $self->is_waiting() && ( $self->branchcode() eq $self->item()->holdingbranch() );
 269 }
 270
 271 =head3 biblio
 272
 273 Returns the related Koha::Biblio object for this hold
 274
 275 =cut
 276
 277 sub biblio {
 278     my ($self) = @_;
 279
 280     $self->{_biblio} ||= Koha::Biblios->find( $self->biblionumber() );
 281
 282     return $self->{_biblio};
 283 }
 284
 285 =head3 item
 286
 287 Returns the related Koha::Item object for this Hold
 288
 289 =cut
 290
 291 sub item {
 292     my ($self) = @_;
 293
 294     $self->{_item} ||= Koha::Items->find( $self->itemnumber() );
 295
 296     return $self->{_item};
 297 }
 298
 299 =head3 branch
 300
 301 Returns the related Koha::Library object for this Hold
 302
 303 =cut
 304
 305 sub branch {
 306     my ($self) = @_;
 307
 308     $self->{_branch} ||= Koha::Libraries->find( $self->branchcode() );
 309
 310     return $self->{_branch};
 311 }
 312
 313 =head3 borrower
 314
 315 Returns the related Koha::Patron object for this Hold
 316
 317 =cut
 318
 319 # FIXME Should be renamed with ->patron
 320 sub borrower {
 321     my ($self) = @_;
 322
 323     $self->{_borrower} ||= Koha::Patrons->find( $self->borrowernumber() );
 324
 325     return $self->{_borrower};
 326 }
 327
 328 =head3 is_suspended
 329
 330 my $bool = $hold->is_suspended();
 331
 332 =cut
 333
 334 sub is_suspended {
 335     my ( $self ) = @_;
 336
 337     return $self->suspend();
 338 }
 339
 340
 341 =head3 cancel
 342
 343 my $cancel_hold = $hold->cancel();
 344
 345 Cancel a hold:
 346 - The hold will be moved to the old_reserves table with a priority=0
 347 - The priority of other holds will be updated
 348 - The patron will be charge (see ExpireReservesMaxPickUpDelayCharge) if the charge_cancel_fee parameter is set
 349 - a CANCEL HOLDS log will be done if the pref HoldsLog is on
 350
 351 =cut
 352
 353 sub cancel {
 354     my ( $self, $params ) = @_;
 355     $self->_result->result_source->schema->txn_do(
 356         sub {
 357             $self->cancellationdate(dt_from_string);
 358             $self->priority(0);
 359             $self->_move_to_old;
 360             $self->SUPER::delete(); # Do not add a DELETE log
 361
 362             # now fix the priority on the others....
 363             C4::Reserves::_FixPriority({ biblionumber => $self->biblionumber });
 364
 365             # and, if desired, charge a cancel fee
 366             my $charge = C4::Context->preference("ExpireReservesMaxPickUpDelayCharge");
 367             if ( $charge && $params->{'charge_cancel_fee'} ) {
 368                 my $account =
 369                   Koha::Account->new( { patron_id => $self->borrowernumber } );
 370                 $account->add_debit(
 371                     {
 372                         amount     => $charge,
 373                         user_id    => C4::Context->userenv ? C4::Context->userenv->{'number'} : undef,
 374                         interface  => C4::Context->interface,
 375                         library_id => C4::Context->userenv ? C4::Context->userenv->{'branch'} : undef,
 376                         type       => 'hold_expired',
 377                         item_id    => $self->itemnumber
 378                     }
 379                 );
 380             }
 381
 382             C4::Log::logaction( 'HOLDS', 'CANCEL', $self->reserve_id, Dumper($self->unblessed) )
 383                 if C4::Context->preference('HoldsLog');
 384         }
 385     );
 386     return $self;
 387 }
 388
 389 =head3 _move_to_old
 390
 391 my $is_moved = $hold->_move_to_old;
 392
 393 Move a hold to the old_reserve table following the same pattern as Koha::Patron->move_to_deleted
 394
 395 =cut
 396
 397 sub _move_to_old {
 398     my ($self) = @_;
 399     my $hold_infos = $self->unblessed;
 400     return Koha::Old::Hold->new( $hold_infos )->store;
 401 }
 402
 403 =head3 type
 404
 405 =cut
 406
 407 sub _type {
 408     return 'Reserve';
 409 }
 410
 411 =head1 AUTHORS
 412
 413 Kyle M Hall <kyle@bywatersolutions.com>
 414 Jonathan Druart <jonathan.druart@bugs.koha-community.org>
 415 Martin Renvoize <martin.renvoize@ptfs-europe.com>
 416
 417 =cut
 418
 419 1;