Bug 25534: (QA follow-up) Update Koha::Hold::cancel POD
[koha.git] / 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::Letters;
28 use C4::Log;
29
30 use Koha::AuthorisedValues;
31 use Koha::DateUtils qw(dt_from_string output_pref);
32 use Koha::Patrons;
33 use Koha::Biblios;
34 use Koha::Items;
35 use Koha::Libraries;
36 use Koha::Old::Holds;
37 use Koha::Calendar;
38
39 use Koha::Exceptions::Hold;
40
41 use base qw(Koha::Object);
42
43 =head1 NAME
44
45 Koha::Hold - Koha Hold object class
46
47 =head1 API
48
49 =head2 Class Methods
50
51 =cut
52
53 =head3 age
54
55 returns the number of days since a hold was placed, optionally
56 using the calendar
57
58 my $age = $hold->age( $use_calendar );
59
60 =cut
61
62 sub age {
63     my ( $self, $use_calendar ) = @_;
64
65     my $today = dt_from_string;
66     my $age;
67
68     if ( $use_calendar ) {
69         my $calendar = Koha::Calendar->new( branchcode => $self->branchcode );
70         $age = $calendar->days_between( dt_from_string( $self->reservedate ), $today );
71     }
72     else {
73         $age = $today->delta_days( dt_from_string( $self->reservedate ) );
74     }
75
76     $age = $age->in_units( 'days' );
77
78     return $age;
79 }
80
81 =head3 suspend_hold
82
83 my $hold = $hold->suspend_hold( $suspend_until_dt );
84
85 =cut
86
87 sub suspend_hold {
88     my ( $self, $dt ) = @_;
89
90     my $date = $dt ? $dt->clone()->truncate( to => 'day' )->datetime : undef;
91
92     if ( $self->is_found ) {    # We can't suspend found holds
93         if ( $self->is_waiting ) {
94             Koha::Exceptions::Hold::CannotSuspendFound->throw( status => 'W' );
95         }
96         elsif ( $self->is_in_transit ) {
97             Koha::Exceptions::Hold::CannotSuspendFound->throw( status => 'T' );
98         }
99         else {
100             Koha::Exceptions::Hold::CannotSuspendFound->throw(
101                       'Unhandled data exception on found hold (id='
102                     . $self->id
103                     . ', found='
104                     . $self->found
105                     . ')' );
106         }
107     }
108
109     $self->suspend(1);
110     $self->suspend_until($date);
111     $self->store();
112
113     logaction( 'HOLDS', 'SUSPEND', $self->reserve_id, Dumper( $self->unblessed ) )
114         if C4::Context->preference('HoldsLog');
115
116     return $self;
117 }
118
119 =head3 resume
120
121 my $hold = $hold->resume();
122
123 =cut
124
125 sub resume {
126     my ( $self ) = @_;
127
128     $self->suspend(0);
129     $self->suspend_until( undef );
130
131     $self->store();
132
133     logaction( 'HOLDS', 'RESUME', $self->reserve_id, Dumper($self->unblessed) )
134         if C4::Context->preference('HoldsLog');
135
136     return $self;
137 }
138
139 =head3 delete
140
141 $hold->delete();
142
143 =cut
144
145 sub delete {
146     my ( $self ) = @_;
147
148     my $deleted = $self->SUPER::delete($self);
149
150     logaction( 'HOLDS', 'DELETE', $self->reserve_id, Dumper($self->unblessed) )
151         if C4::Context->preference('HoldsLog');
152
153     return $deleted;
154 }
155
156 =head3 set_waiting
157
158 =cut
159
160 sub set_waiting {
161     my ( $self, $transferToDo ) = @_;
162
163     $self->priority(0);
164
165     if ($transferToDo) {
166         $self->found('T')->store();
167         return $self;
168     }
169
170     my $today = dt_from_string();
171     my $values = {
172         found => 'W',
173         waitingdate => $today->ymd,
174     };
175
176     my $requested_expiration;
177     if ($self->expirationdate) {
178         $requested_expiration = dt_from_string($self->expirationdate);
179     }
180
181     my $max_pickup_delay = C4::Context->preference("ReservesMaxPickUpDelay");
182     my $cancel_on_holidays = C4::Context->preference('ExpireReservesOnHolidays');
183
184     my $expirationdate = $today->clone;
185     $expirationdate->add(days => $max_pickup_delay);
186
187     if ( C4::Context->preference("ExcludeHolidaysFromMaxPickUpDelay") ) {
188         my $itemtype = $self->item ? $self->item->effective_itemtype : $self->biblio->itemtype;
189         my $daysmode = Koha::CirculationRules->get_effective_daysmode(
190             {
191                 categorycode => $self->borrower->categorycode,
192                 itemtype     => $itemtype,
193                 branchcode   => $self->branchcode,
194             }
195         );
196         my $calendar = Koha::Calendar->new( branchcode => $self->branchcode, days_mode => $daysmode );
197
198         $expirationdate = $calendar->days_forward( dt_from_string(), $max_pickup_delay );
199     }
200
201     # If patron's requested expiration date is prior to the
202     # calculated one, we keep the patron's one.
203     my $cmp = $requested_expiration ? DateTime->compare($requested_expiration, $expirationdate) : 0;
204     $values->{expirationdate} = $cmp == -1 ? $requested_expiration->ymd : $expirationdate->ymd;
205
206     $self->set($values)->store();
207
208     return $self;
209 }
210
211 =head3 is_found
212
213 Returns true if hold is a waiting or in transit
214
215 =cut
216
217 sub is_found {
218     my ($self) = @_;
219
220     return 0 unless $self->found();
221     return 1 if $self->found() eq 'W';
222     return 1 if $self->found() eq 'T';
223 }
224
225 =head3 is_waiting
226
227 Returns true if hold is a waiting hold
228
229 =cut
230
231 sub is_waiting {
232     my ($self) = @_;
233
234     my $found = $self->found;
235     return $found && $found eq 'W';
236 }
237
238 =head3 is_in_transit
239
240 Returns true if hold is a in_transit hold
241
242 =cut
243
244 sub is_in_transit {
245     my ($self) = @_;
246
247     return 0 unless $self->found();
248     return $self->found() eq 'T';
249 }
250
251 =head3 is_cancelable_from_opac
252
253 Returns true if hold is a cancelable hold
254
255 Holds may be only canceled if they are not found.
256
257 This is used from the OPAC.
258
259 =cut
260
261 sub is_cancelable_from_opac {
262     my ($self) = @_;
263
264     return 1 unless $self->is_found();
265     return 0; # if ->is_in_transit or if ->is_waiting
266 }
267
268 =head3 is_at_destination
269
270 Returns true if hold is waiting
271 and the hold's pickup branch matches
272 the hold item's holding branch
273
274 =cut
275
276 sub is_at_destination {
277     my ($self) = @_;
278
279     return $self->is_waiting() && ( $self->branchcode() eq $self->item()->holdingbranch() );
280 }
281
282 =head3 biblio
283
284 Returns the related Koha::Biblio object for this hold
285
286 =cut
287
288 sub biblio {
289     my ($self) = @_;
290
291     $self->{_biblio} ||= Koha::Biblios->find( $self->biblionumber() );
292
293     return $self->{_biblio};
294 }
295
296 =head3 item
297
298 Returns the related Koha::Item object for this Hold
299
300 =cut
301
302 sub item {
303     my ($self) = @_;
304
305     $self->{_item} ||= Koha::Items->find( $self->itemnumber() );
306
307     return $self->{_item};
308 }
309
310 =head3 branch
311
312 Returns the related Koha::Library object for this Hold
313
314 =cut
315
316 sub branch {
317     my ($self) = @_;
318
319     $self->{_branch} ||= Koha::Libraries->find( $self->branchcode() );
320
321     return $self->{_branch};
322 }
323
324 =head3 borrower
325
326 Returns the related Koha::Patron object for this Hold
327
328 =cut
329
330 # FIXME Should be renamed with ->patron
331 sub borrower {
332     my ($self) = @_;
333
334     $self->{_borrower} ||= Koha::Patrons->find( $self->borrowernumber() );
335
336     return $self->{_borrower};
337 }
338
339 =head3 is_suspended
340
341 my $bool = $hold->is_suspended();
342
343 =cut
344
345 sub is_suspended {
346     my ( $self ) = @_;
347
348     return $self->suspend();
349 }
350
351
352 =head3 cancel
353
354 my $cancel_hold = $hold->cancel(
355     {
356         [ charge_cancel_fee => 1||0, ]
357         [ cancellation_reason => $cancellation_reason, ]
358     }
359 );
360
361 Cancel a hold:
362 - The hold will be moved to the old_reserves table with a priority=0
363 - The priority of other holds will be updated
364 - The patron will be charge (see ExpireReservesMaxPickUpDelayCharge) if the charge_cancel_fee parameter is set
365 - The canceled hold will have the cancellation reason added to old_reserves.cancellation_reason if one is passed in
366 - a CANCEL HOLDS log will be done if the pref HoldsLog is on
367
368 =cut
369
370 sub cancel {
371     my ( $self, $params ) = @_;
372     $self->_result->result_source->schema->txn_do(
373         sub {
374             $self->cancellationdate( dt_from_string->strftime( '%Y-%m-%d %H:%M:%S' ) );
375             $self->priority(0);
376             $self->cancellation_reason( $params->{cancellation_reason} );
377             $self->store();
378
379             if ( $params->{cancellation_reason} ) {
380                 my $letter = C4::Letters::GetPreparedLetter(
381                     module                 => 'reserves',
382                     letter_code            => 'HOLD_CANCELLATION',
383                     message_transport_type => 'email',
384                     branchcode             => $self->borrower->branchcode,
385                     lang                   => $self->borrower->lang,
386                     tables => {
387                         branches    => $self->borrower->branchcode,
388                         borrowers   => $self->borrowernumber,
389                         items       => $self->itemnumber,
390                         biblio      => $self->biblionumber,
391                         biblioitems => $self->biblionumber,
392                         reserves    => $self->unblessed,
393                     }
394                 );
395
396                 if ($letter) {
397                     C4::Letters::EnqueueLetter(
398                         {
399                             letter                   => $letter,
400                             borrowernumber         => $self->borrowernumber,
401                             message_transport_type => 'email',
402                         }
403                     );
404                 }
405             }
406
407             $self->_move_to_old;
408             $self->SUPER::delete(); # Do not add a DELETE log
409
410             # now fix the priority on the others....
411             C4::Reserves::_FixPriority({ biblionumber => $self->biblionumber });
412
413             # and, if desired, charge a cancel fee
414             my $charge = C4::Context->preference("ExpireReservesMaxPickUpDelayCharge");
415             if ( $charge && $params->{'charge_cancel_fee'} ) {
416                 my $account =
417                   Koha::Account->new( { patron_id => $self->borrowernumber } );
418                 $account->add_debit(
419                     {
420                         amount     => $charge,
421                         user_id    => C4::Context->userenv ? C4::Context->userenv->{'number'} : undef,
422                         interface  => C4::Context->interface,
423                         library_id => C4::Context->userenv ? C4::Context->userenv->{'branch'} : undef,
424                         type       => 'RESERVE_EXPIRED',
425                         item_id    => $self->itemnumber
426                     }
427                 );
428             }
429
430             C4::Log::logaction( 'HOLDS', 'CANCEL', $self->reserve_id, Dumper($self->unblessed) )
431                 if C4::Context->preference('HoldsLog');
432         }
433     );
434     return $self;
435 }
436
437 =head3 _move_to_old
438
439 my $is_moved = $hold->_move_to_old;
440
441 Move a hold to the old_reserve table following the same pattern as Koha::Patron->move_to_deleted
442
443 =cut
444
445 sub _move_to_old {
446     my ($self) = @_;
447     my $hold_infos = $self->unblessed;
448     return Koha::Old::Hold->new( $hold_infos )->store;
449 }
450
451 =head3 to_api_mapping
452
453 This method returns the mapping for representing a Koha::Hold object
454 on the API.
455
456 =cut
457
458 sub to_api_mapping {
459     return {
460         reserve_id       => 'hold_id',
461         borrowernumber   => 'patron_id',
462         reservedate      => 'hold_date',
463         biblionumber     => 'biblio_id',
464         branchcode       => 'pickup_library_id',
465         notificationdate => undef,
466         reminderdate     => undef,
467         cancellationdate => 'cancellation_date',
468         reservenotes     => 'notes',
469         found            => 'status',
470         itemnumber       => 'item_id',
471         waitingdate      => 'waiting_date',
472         expirationdate   => 'expiration_date',
473         lowestPriority   => 'lowest_priority',
474         suspend          => 'suspended',
475         suspend_until    => 'suspended_until',
476         itemtype         => 'item_type',
477         item_level_hold  => 'item_level',
478     };
479 }
480
481 =head2 Internal methods
482
483 =head3 _type
484
485 =cut
486
487 sub _type {
488     return 'Reserve';
489 }
490
491 =head1 AUTHORS
492
493 Kyle M Hall <kyle@bywatersolutions.com>
494 Jonathan Druart <jonathan.druart@bugs.koha-community.org>
495 Martin Renvoize <martin.renvoize@ptfs-europe.com>
496
497 =cut
498
499 1;