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
   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 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
 182     my $expirationdate = $today->clone;
 183     $expirationdate->add(days => $max_pickup_delay);
 184
 185     if ( C4::Context->preference("ExcludeHolidaysFromMaxPickUpDelay") ) {
 186         my $itemtype = $self->item ? $self->item->effective_itemtype : $self->biblio->itemtype;
 187         my $daysmode = Koha::CirculationRules->get_effective_daysmode(
 188             {
 189                 categorycode => $self->borrower->categorycode,
 190                 itemtype     => $itemtype,
 191                 branchcode   => $self->branchcode,
 192             }
 193         );
 194         my $calendar = Koha::Calendar->new( branchcode => $self->branchcode, days_mode => $daysmode );
 195
 196         $expirationdate = $calendar->days_forward( dt_from_string(), $max_pickup_delay );
 197     }
 198
 199     # If patron's requested expiration date is prior to the
 200     # calculated one, we keep the patron's one.
 201     my $cmp = $requested_expiration ? DateTime->compare($requested_expiration, $expirationdate) : 0;
 202     $values->{expirationdate} = $cmp == -1 ? $requested_expiration->ymd : $expirationdate->ymd;
 203
 204     $self->set($values)->store();
 205
 206     return $self;
 207 }
 208
 209 =head3 is_found
 210
 211 Returns true if hold is a waiting or in transit
 212
 213 =cut
 214
 215 sub is_found {
 216     my ($self) = @_;
 217
 218     return 0 unless $self->found();
 219     return 1 if $self->found() eq 'W';
 220     return 1 if $self->found() eq 'T';
 221 }
 222
 223 =head3 is_waiting
 224
 225 Returns true if hold is a waiting hold
 226
 227 =cut
 228
 229 sub is_waiting {
 230     my ($self) = @_;
 231
 232     my $found = $self->found;
 233     return $found && $found eq 'W';
 234 }
 235
 236 =head3 is_in_transit
 237
 238 Returns true if hold is a in_transit hold
 239
 240 =cut
 241
 242 sub is_in_transit {
 243     my ($self) = @_;
 244
 245     return 0 unless $self->found();
 246     return $self->found() eq 'T';
 247 }
 248
 249 =head3 is_cancelable_from_opac
 250
 251 Returns true if hold is a cancelable hold
 252
 253 Holds may be only canceled if they are not found.
 254
 255 This is used from the OPAC.
 256
 257 =cut
 258
 259 sub is_cancelable_from_opac {
 260     my ($self) = @_;
 261
 262     return 1 unless $self->is_found();
 263     return 0; # if ->is_in_transit or if ->is_waiting
 264 }
 265
 266 =head3 is_at_destination
 267
 268 Returns true if hold is waiting
 269 and the hold's pickup branch matches
 270 the hold item's holding branch
 271
 272 =cut
 273
 274 sub is_at_destination {
 275     my ($self) = @_;
 276
 277     return $self->is_waiting() && ( $self->branchcode() eq $self->item()->holdingbranch() );
 278 }
 279
 280 =head3 biblio
 281
 282 Returns the related Koha::Biblio object for this hold
 283
 284 =cut
 285
 286 sub biblio {
 287     my ($self) = @_;
 288
 289     $self->{_biblio} ||= Koha::Biblios->find( $self->biblionumber() );
 290
 291     return $self->{_biblio};
 292 }
 293
 294 =head3 item
 295
 296 Returns the related Koha::Item object for this Hold
 297
 298 =cut
 299
 300 sub item {
 301     my ($self) = @_;
 302
 303     $self->{_item} ||= Koha::Items->find( $self->itemnumber() );
 304
 305     return $self->{_item};
 306 }
 307
 308 =head3 branch
 309
 310 Returns the related Koha::Library object for this Hold
 311
 312 =cut
 313
 314 sub branch {
 315     my ($self) = @_;
 316
 317     $self->{_branch} ||= Koha::Libraries->find( $self->branchcode() );
 318
 319     return $self->{_branch};
 320 }
 321
 322 =head3 borrower
 323
 324 Returns the related Koha::Patron object for this Hold
 325
 326 =cut
 327
 328 # FIXME Should be renamed with ->patron
 329 sub borrower {
 330     my ($self) = @_;
 331
 332     $self->{_borrower} ||= Koha::Patrons->find( $self->borrowernumber() );
 333
 334     return $self->{_borrower};
 335 }
 336
 337 =head3 is_suspended
 338
 339 my $bool = $hold->is_suspended();
 340
 341 =cut
 342
 343 sub is_suspended {
 344     my ( $self ) = @_;
 345
 346     return $self->suspend();
 347 }
 348
 349
 350 =head3 cancel
 351
 352 my $cancel_hold = $hold->cancel();
 353
 354 Cancel a hold:
 355 - The hold will be moved to the old_reserves table with a priority=0
 356 - The priority of other holds will be updated
 357 - The patron will be charge (see ExpireReservesMaxPickUpDelayCharge) if the charge_cancel_fee parameter is set
 358 - a CANCEL HOLDS log will be done if the pref HoldsLog is on
 359
 360 =cut
 361
 362 sub cancel {
 363     my ( $self, $params ) = @_;
 364     $self->_result->result_source->schema->txn_do(
 365         sub {
 366             $self->cancellationdate( dt_from_string->strftime( '%Y-%m-%d %H:%M:%S' ) );
 367             $self->priority(0);
 368             $self->_move_to_old;
 369             $self->SUPER::delete(); # Do not add a DELETE log
 370
 371             # now fix the priority on the others....
 372             C4::Reserves::_FixPriority({ biblionumber => $self->biblionumber });
 373
 374             # and, if desired, charge a cancel fee
 375             my $charge = C4::Context->preference("ExpireReservesMaxPickUpDelayCharge");
 376             if ( $charge && $params->{'charge_cancel_fee'} ) {
 377                 my $account =
 378                   Koha::Account->new( { patron_id => $self->borrowernumber } );
 379                 $account->add_debit(
 380                     {
 381                         amount     => $charge,
 382                         user_id    => C4::Context->userenv ? C4::Context->userenv->{'number'} : undef,
 383                         interface  => C4::Context->interface,
 384                         library_id => C4::Context->userenv ? C4::Context->userenv->{'branch'} : undef,
 385                         type       => 'RESERVE_EXPIRED',
 386                         item_id    => $self->itemnumber
 387                     }
 388                 );
 389             }
 390
 391             C4::Log::logaction( 'HOLDS', 'CANCEL', $self->reserve_id, Dumper($self->unblessed) )
 392                 if C4::Context->preference('HoldsLog');
 393         }
 394     );
 395     return $self;
 396 }
 397
 398 =head3 _move_to_old
 399
 400 my $is_moved = $hold->_move_to_old;
 401
 402 Move a hold to the old_reserve table following the same pattern as Koha::Patron->move_to_deleted
 403
 404 =cut
 405
 406 sub _move_to_old {
 407     my ($self) = @_;
 408     my $hold_infos = $self->unblessed;
 409     return Koha::Old::Hold->new( $hold_infos )->store;
 410 }
 411
 412 =head3 to_api_mapping
 413
 414 This method returns the mapping for representing a Koha::Hold object
 415 on the API.
 416
 417 =cut
 418
 419 sub to_api_mapping {
 420     return {
 421         reserve_id       => 'hold_id',
 422         borrowernumber   => 'patron_id',
 423         reservedate      => 'hold_date',
 424         biblionumber     => 'biblio_id',
 425         branchcode       => 'pickup_library_id',
 426         notificationdate => undef,
 427         reminderdate     => undef,
 428         cancellationdate => 'cancellation_date',
 429         reservenotes     => 'notes',
 430         found            => 'status',
 431         itemnumber       => 'item_id',
 432         waitingdate      => 'waiting_date',
 433         expirationdate   => 'expiration_date',
 434         lowestPriority   => 'lowest_priority',
 435         suspend          => 'suspended',
 436         suspend_until    => 'suspended_until',
 437         itemtype         => 'item_type',
 438         item_level_hold  => 'item_level',
 439     };
 440 }
 441
 442 =head2 Internal methods
 443
 444 =head3 _type
 445
 446 =cut
 447
 448 sub _type {
 449     return 'Reserve';
 450 }
 451
 452 =head1 AUTHORS
 453
 454 Kyle M Hall <kyle@bywatersolutions.com>
 455 Jonathan Druart <jonathan.druart@bugs.koha-community.org>
 456 Martin Renvoize <martin.renvoize@ptfs-europe.com>
 457
 458 =cut
 459
 460 1;