C4/Reserves.pm

   1 package C4::Reserves;
   2
   3 # Copyright 2000-2002 Katipo Communications
   4 #           2006 SAN Ouest Provence
   5 #           2007-2010 BibLibre Paul POULAIN
   6 #           2011 Catalyst IT
   7 #
   8 # This file is part of Koha.
   9 #
  10 # Koha is free software; you can redistribute it and/or modify it
  11 # under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 3 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # Koha is distributed in the hope that it will be useful, but
  16 # WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  22
  23
  24 use Modern::Perl;
  25
  26 use C4::Accounts;
  27 use C4::Biblio;
  28 use C4::Circulation;
  29 use C4::Context;
  30 use C4::Items;
  31 use C4::Letters;
  32 use C4::Log;
  33 use C4::Members::Messaging;
  34 use C4::Members;
  35 use Koha::Account::Lines;
  36 use Koha::Biblios;
  37 use Koha::Calendar;
  38 use Koha::CirculationRules;
  39 use Koha::Database;
  40 use Koha::DateUtils;
  41 use Koha::Hold;
  42 use Koha::Holds;
  43 use Koha::ItemTypes;
  44 use Koha::Items;
  45 use Koha::Libraries;
  46 use Koha::Old::Hold;
  47 use Koha::Patrons;
  48
  49 use Carp;
  50 use Data::Dumper;
  51 use List::MoreUtils qw( firstidx any );
  52
  53 use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
  54
  55 =head1 NAME
  56
  57 C4::Reserves - Koha functions for dealing with reservation.
  58
  59 =head1 SYNOPSIS
  60
  61   use C4::Reserves;
  62
  63 =head1 DESCRIPTION
  64
  65 This modules provides somes functions to deal with reservations.
  66
  67   Reserves are stored in reserves table.
  68   The following columns contains important values :
  69   - priority >0      : then the reserve is at 1st stage, and not yet affected to any item.
  70              =0      : then the reserve is being dealed
  71   - found : NULL       : means the patron requested the 1st available, and we haven't chosen the item
  72             T(ransit)  : the reserve is linked to an item but is in transit to the pickup branch
  73             W(aiting)  : the reserve is linked to an item, is at the pickup branch, and is waiting on the hold shelf
  74             F(inished) : the reserve has been completed, and is done
  75   - itemnumber : empty : the reserve is still unaffected to an item
  76                  filled: the reserve is attached to an item
  77   The complete workflow is :
  78   ==== 1st use case ====
  79   patron request a document, 1st available :                      P >0, F=NULL, I=NULL
  80   a library having it run "transfertodo", and clic on the list
  81          if there is no transfer to do, the reserve waiting
  82          patron can pick it up                                    P =0, F=W,    I=filled
  83          if there is a transfer to do, write in branchtransfer    P =0, F=T,    I=filled
  84            The pickup library receive the book, it check in       P =0, F=W,    I=filled
  85   The patron borrow the book                                      P =0, F=F,    I=filled
  86
  87   ==== 2nd use case ====
  88   patron requests a document, a given item,
  89     If pickup is holding branch                                   P =0, F=W,   I=filled
  90     If transfer needed, write in branchtransfer                   P =0, F=T,    I=filled
  91         The pickup library receive the book, it checks it in      P =0, F=W,    I=filled
  92   The patron borrow the book                                      P =0, F=F,    I=filled
  93
  94 =head1 FUNCTIONS
  95
  96 =cut
  97
  98 BEGIN {
  99     require Exporter;
 100     @ISA = qw(Exporter);
 101     @EXPORT = qw(
 102         &AddReserve
 103
 104         &GetReserveStatus
 105
 106         &GetOtherReserves
 107
 108         &ModReserveFill
 109         &ModReserveAffect
 110         &ModReserve
 111         &ModReserveStatus
 112         &ModReserveCancelAll
 113         &ModReserveMinusPriority
 114         &MoveReserve
 115
 116         &CheckReserves
 117         &CanBookBeReserved
 118         &CanItemBeReserved
 119         &CanReserveBeCanceledFromOpac
 120         &CancelExpiredReserves
 121
 122         &AutoUnsuspendReserves
 123
 124         &IsAvailableForItemLevelRequest
 125
 126         &AlterPriority
 127         &ToggleLowestPriority
 128
 129         &ReserveSlip
 130         &ToggleSuspend
 131         &SuspendAll
 132
 133         &GetReservesControlBranch
 134
 135         IsItemOnHoldAndFound
 136
 137         GetMaxPatronHoldsForRecord
 138     );
 139     @EXPORT_OK = qw( MergeHolds );
 140 }
 141
 142 =head2 AddReserve
 143
 144     AddReserve($branch,$borrowernumber,$biblionumber,$bibitems,$priority,$resdate,$expdate,$notes,$title,$checkitem,$found)
 145
 146 Adds reserve and generates HOLDPLACED message.
 147
 148 The following tables are available witin the HOLDPLACED message:
 149
 150     branches
 151     borrowers
 152     biblio
 153     biblioitems
 154     items
 155     reserves
 156
 157 =cut
 158
 159 sub AddReserve {
 160     my (
 161         $branch,   $borrowernumber, $biblionumber, $bibitems,
 162         $priority, $resdate,        $expdate,      $notes,
 163         $title,    $checkitem,      $found,        $itemtype
 164     ) = @_;
 165
 166     $resdate = output_pref( { str => dt_from_string( $resdate ), dateonly => 1, dateformat => 'iso' })
 167         or output_pref({ dt => dt_from_string, dateonly => 1, dateformat => 'iso' });
 168
 169     $expdate = output_pref({ str => $expdate, dateonly => 1, dateformat => 'iso' });
 170
 171     # if we have an item selectionned, and the pickup branch is the same as the holdingbranch
 172     # of the document, we force the value $priority and $found .
 173     if ( $checkitem and not C4::Context->preference('ReservesNeedReturns') ) {
 174         my $item = Koha::Items->find( $checkitem ); # FIXME Prevent bad calls
 175
 176         if (
 177             # If item is already checked out, it cannot be set waiting
 178             !$item->onloan
 179
 180             # The item can't be waiting if it needs a transfer
 181             && $item->holdingbranch eq $branch
 182
 183             # Similarly, if in transit it can't be waiting
 184             && !$item->get_transfer
 185
 186             # If we can't hold damaged items, and it is damaged, it can't be waiting
 187             && ( $item->damaged && C4::Context->preference('AllowHoldsOnDamagedItems') || !$item->damaged )
 188
 189             # Lastly, if this already has holds, we shouldn't make it waiting for the new hold
 190             && !$item->current_holds->count )
 191         {
 192             $priority = 0;
 193             $found = 'W';
 194         }
 195     }
 196
 197     if ( C4::Context->preference('AllowHoldDateInFuture') ) {
 198
 199         # Make room in reserves for this before those of a later reserve date
 200         $priority = _ShiftPriorityByDateAndPriority( $biblionumber, $resdate, $priority );
 201     }
 202
 203     my $waitingdate;
 204
 205     # If the reserv had the waiting status, we had the value of the resdate
 206     if ( $found && $found eq 'W' ) {
 207         $waitingdate = $resdate;
 208     }
 209
 210     # Don't add itemtype limit if specific item is selected
 211     $itemtype = undef if $checkitem;
 212
 213     # updates take place here
 214     my $hold = Koha::Hold->new(
 215         {
 216             borrowernumber => $borrowernumber,
 217             biblionumber   => $biblionumber,
 218             reservedate    => $resdate,
 219             branchcode     => $branch,
 220             priority       => $priority,
 221             reservenotes   => $notes,
 222             itemnumber     => $checkitem,
 223             found          => $found,
 224             waitingdate    => $waitingdate,
 225             expirationdate => $expdate,
 226             itemtype       => $itemtype,
 227             item_level_hold => $checkitem ? 1 : 0,
 228         }
 229     )->store();
 230     $hold->set_waiting() if $found && $found eq 'W';
 231
 232     logaction( 'HOLDS', 'CREATE', $hold->id, Dumper($hold->unblessed) )
 233         if C4::Context->preference('HoldsLog');
 234
 235     my $reserve_id = $hold->id();
 236
 237     # add a reserve fee if needed
 238     if ( C4::Context->preference('HoldFeeMode') ne 'any_time_is_collected' ) {
 239         my $reserve_fee = GetReserveFee( $borrowernumber, $biblionumber );
 240         ChargeReserveFee( $borrowernumber, $reserve_fee, $title );
 241     }
 242
 243     _FixPriority({ biblionumber => $biblionumber});
 244
 245     # Send e-mail to librarian if syspref is active
 246     if(C4::Context->preference("emailLibrarianWhenHoldIsPlaced")){
 247         my $patron = Koha::Patrons->find( $borrowernumber );
 248         my $library = $patron->library;
 249         if ( my $letter =  C4::Letters::GetPreparedLetter (
 250             module => 'reserves',
 251             letter_code => 'HOLDPLACED',
 252             branchcode => $branch,
 253             lang => $patron->lang,
 254             tables => {
 255                 'branches'    => $library->unblessed,
 256                 'borrowers'   => $patron->unblessed,
 257                 'biblio'      => $biblionumber,
 258                 'biblioitems' => $biblionumber,
 259                 'items'       => $checkitem,
 260                 'reserves'    => $hold->unblessed,
 261             },
 262         ) ) {
 263
 264             my $admin_email_address = $library->branchemail || C4::Context->preference('KohaAdminEmailAddress');
 265
 266             C4::Letters::EnqueueLetter(
 267                 {   letter                 => $letter,
 268                     borrowernumber         => $borrowernumber,
 269                     message_transport_type => 'email',
 270                     from_address           => $admin_email_address,
 271                     to_address           => $admin_email_address,
 272                 }
 273             );
 274         }
 275     }
 276
 277     return $reserve_id;
 278 }
 279
 280 =head2 CanBookBeReserved
 281
 282   $canReserve = &CanBookBeReserved($borrowernumber, $biblionumber, $branchcode)
 283   if ($canReserve eq 'OK') { #We can reserve this Item! }
 284
 285 See CanItemBeReserved() for possible return values.
 286
 287 =cut
 288
 289 sub CanBookBeReserved{
 290     my ($borrowernumber, $biblionumber, $pickup_branchcode) = @_;
 291
 292     my @itemnumbers = Koha::Items->search({ biblionumber => $biblionumber})->get_column("itemnumber");
 293     #get items linked via host records
 294     my @hostitems = get_hostitemnumbers_of($biblionumber);
 295     if (@hostitems){
 296         push (@itemnumbers, @hostitems);
 297     }
 298
 299     my $canReserve = { status => '' };
 300     foreach my $itemnumber (@itemnumbers) {
 301         $canReserve = CanItemBeReserved( $borrowernumber, $itemnumber, $pickup_branchcode );
 302         return { status => 'OK' } if $canReserve->{status} eq 'OK';
 303     }
 304     return $canReserve;
 305 }
 306
 307 =head2 CanItemBeReserved
 308
 309   $canReserve = &CanItemBeReserved($borrowernumber, $itemnumber, $branchcode)
 310   if ($canReserve->{status} eq 'OK') { #We can reserve this Item! }
 311
 312 @RETURNS { status => OK },              if the Item can be reserved.
 313          { status => ageRestricted },   if the Item is age restricted for this borrower.
 314          { status => damaged },         if the Item is damaged.
 315          { status => cannotReserveFromOtherBranches }, if syspref 'canreservefromotherbranches' is OK.
 316          { status => branchNotInHoldGroup }, if borrower home library is not in hold group, and holds are only allowed from hold groups.
 317          { status => tooManyReserves, limit => $limit }, if the borrower has exceeded their maximum reserve amount.
 318          { status => notReservable },   if holds on this item are not allowed
 319          { status => libraryNotFound },   if given branchcode is not an existing library
 320          { status => libraryNotPickupLocation },   if given branchcode is not configured to be a pickup location
 321          { status => cannotBeTransferred }, if branch transfer limit applies on given item and branchcode
 322          { status => pickupNotInHoldGroup }, pickup location is not in hold group, and pickup locations are only allowed from hold groups.
 323
 324 =cut
 325
 326 sub CanItemBeReserved {
 327     my ( $borrowernumber, $itemnumber, $pickup_branchcode ) = @_;
 328
 329     my $dbh = C4::Context->dbh;
 330     my $ruleitemtype;    # itemtype of the matching issuing rule
 331     my $allowedreserves  = 0; # Total number of holds allowed across all records
 332     my $holds_per_record = 1; # Total number of holds allowed for this one given record
 333     my $holds_per_day;        # Default to unlimited
 334
 335     # we retrieve borrowers and items informations #
 336     # item->{itype} will come for biblioitems if necessery
 337     my $item       = Koha::Items->find($itemnumber);
 338     my $biblio     = $item->biblio;
 339     my $patron = Koha::Patrons->find( $borrowernumber );
 340     my $borrower = $patron->unblessed;
 341
 342     # If an item is damaged and we don't allow holds on damaged items, we can stop right here
 343     return { status =>'damaged' }
 344       if ( $item->damaged
 345         && !C4::Context->preference('AllowHoldsOnDamagedItems') );
 346
 347     # Check for the age restriction
 348     my ( $ageRestriction, $daysToAgeRestriction ) =
 349       C4::Circulation::GetAgeRestriction( $biblio->biblioitem->agerestriction, $borrower );
 350     return { status => 'ageRestricted' } if $daysToAgeRestriction && $daysToAgeRestriction > 0;
 351
 352     # Check that the patron doesn't have an item level hold on this item already
 353     return { status =>'itemAlreadyOnHold' }
 354       if Koha::Holds->search( { borrowernumber => $borrowernumber, itemnumber => $itemnumber } )->count();
 355
 356     my $controlbranch = C4::Context->preference('ReservesControlBranch');
 357
 358     my $querycount = q{
 359         SELECT count(*) AS count
 360           FROM reserves
 361      LEFT JOIN items USING (itemnumber)
 362      LEFT JOIN biblioitems ON (reserves.biblionumber=biblioitems.biblionumber)
 363      LEFT JOIN borrowers USING (borrowernumber)
 364          WHERE borrowernumber = ?
 365     };
 366
 367     my $branchcode  = "";
 368     my $branchfield = "reserves.branchcode";
 369
 370     if ( $controlbranch eq "ItemHomeLibrary" ) {
 371         $branchfield = "items.homebranch";
 372         $branchcode  = $item->homebranch;
 373     }
 374     elsif ( $controlbranch eq "PatronLibrary" ) {
 375         $branchfield = "borrowers.branchcode";
 376         $branchcode  = $borrower->{branchcode};
 377     }
 378
 379     # we retrieve rights
 380     if ( my $rights = GetHoldRule( $borrower->{'categorycode'}, $item->effective_itemtype, $branchcode ) ) {
 381         $ruleitemtype     = $rights->{itemtype};
 382         $allowedreserves  = $rights->{reservesallowed} // $allowedreserves;
 383         $holds_per_record = $rights->{holds_per_record} // $holds_per_record;
 384         $holds_per_day    = $rights->{holds_per_day};
 385     }
 386     else {
 387         $ruleitemtype = undef;
 388     }
 389
 390     my $holds = Koha::Holds->search(
 391         {
 392             borrowernumber => $borrowernumber,
 393             biblionumber   => $item->biblionumber,
 394         }
 395     );
 396     if (   defined $holds_per_record && $holds_per_record ne ''
 397         && $holds->count() >= $holds_per_record ) {
 398         return { status => "tooManyHoldsForThisRecord", limit => $holds_per_record };
 399     }
 400
 401     my $today_holds = Koha::Holds->search({
 402         borrowernumber => $borrowernumber,
 403         reservedate    => dt_from_string->date
 404     });
 405
 406     if (   defined $holds_per_day && $holds_per_day ne ''
 407         && $today_holds->count() >= $holds_per_day )
 408     {
 409         return { status => 'tooManyReservesToday', limit => $holds_per_day };
 410     }
 411
 412     # we retrieve count
 413
 414     $querycount .= "AND ( $branchfield = ? OR $branchfield IS NULL )";
 415
 416     # If using item-level itypes, fall back to the record
 417     # level itemtype if the hold has no associated item
 418     $querycount .=
 419       C4::Context->preference('item-level_itypes')
 420       ? " AND COALESCE( items.itype, biblioitems.itemtype ) = ?"
 421       : " AND biblioitems.itemtype = ?"
 422       if defined $ruleitemtype;
 423
 424     my $sthcount = $dbh->prepare($querycount);
 425
 426     if ( defined $ruleitemtype ) {
 427         $sthcount->execute( $borrowernumber, $branchcode, $ruleitemtype );
 428     }
 429     else {
 430         $sthcount->execute( $borrowernumber, $branchcode );
 431     }
 432
 433     my $reservecount = "0";
 434     if ( my $rowcount = $sthcount->fetchrow_hashref() ) {
 435         $reservecount = $rowcount->{count};
 436     }
 437
 438     # we check if it's ok or not
 439     if (   defined  $allowedreserves && $allowedreserves ne ''
 440         && $reservecount >= $allowedreserves ) {
 441         return { status => 'tooManyReserves', limit => $allowedreserves };
 442     }
 443
 444     # Now we need to check hold limits by patron category
 445     my $rule = Koha::CirculationRules->get_effective_rule(
 446         {
 447             categorycode => $borrower->{categorycode},
 448             branchcode   => $branchcode,
 449             rule_name    => 'max_holds',
 450         }
 451     );
 452     if ( $rule && defined( $rule->rule_value ) && $rule->rule_value ne '' ) {
 453         my $total_holds_count = Koha::Holds->search(
 454             {
 455                 borrowernumber => $borrower->{borrowernumber}
 456             }
 457         )->count();
 458
 459         return { status => 'tooManyReserves', limit => $rule->rule_value} if $total_holds_count >= $rule->rule_value;
 460     }
 461
 462     my $reserves_control_branch =
 463       GetReservesControlBranch( $item->unblessed(), $borrower );
 464     my $branchitemrule =
 465       C4::Circulation::GetBranchItemRule( $reserves_control_branch, $item->itype ); # FIXME Should not be item->effective_itemtype?
 466
 467     if ( $branchitemrule->{holdallowed} == 0 ) {
 468         return { status => 'notReservable' };
 469     }
 470
 471     if (   $branchitemrule->{holdallowed} == 1
 472         && $borrower->{branchcode} ne $item->homebranch )
 473     {
 474         return { status => 'cannotReserveFromOtherBranches' };
 475     }
 476
 477     my $item_library = Koha::Libraries->find( {branchcode => $item->homebranch} );
 478     if ( $branchitemrule->{holdallowed} == 3) {
 479         if($borrower->{branchcode} ne $item->homebranch && !$item_library->validate_hold_sibling( {branchcode => $borrower->{branchcode}} )) {
 480             return { status => 'branchNotInHoldGroup' };
 481         }
 482     }
 483
 484     # If reservecount is ok, we check item branch if IndependentBranches is ON
 485     # and canreservefromotherbranches is OFF
 486     if ( C4::Context->preference('IndependentBranches')
 487         and !C4::Context->preference('canreservefromotherbranches') )
 488     {
 489         if ( $item->homebranch ne $borrower->{branchcode} ) {
 490             return { status => 'cannotReserveFromOtherBranches' };
 491         }
 492     }
 493
 494     if ($pickup_branchcode) {
 495         my $destination = Koha::Libraries->find({
 496             branchcode => $pickup_branchcode,
 497         });
 498
 499         unless ($destination) {
 500             return { status => 'libraryNotFound' };
 501         }
 502         unless ($destination->pickup_location) {
 503             return { status => 'libraryNotPickupLocation' };
 504         }
 505         unless ($item->can_be_transferred({ to => $destination })) {
 506             return { status => 'cannotBeTransferred' };
 507         }
 508         unless ($branchitemrule->{hold_fulfillment_policy} ne 'holdgroup' || $item_library->validate_hold_sibling( {branchcode => $pickup_branchcode} )) {
 509             return { status => 'pickupNotInHoldGroup' };
 510         }
 511         unless ($branchitemrule->{hold_fulfillment_policy} ne 'patrongroup' || Koha::Libraries->find({branchcode => $borrower->{branchcode}})->validate_hold_sibling({branchcode => $pickup_branchcode})) {
 512             return { status => 'pickupNotInHoldGroup' };
 513         }
 514     }
 515
 516     return { status => 'OK' };
 517 }
 518
 519 =head2 CanReserveBeCanceledFromOpac
 520
 521     $number = CanReserveBeCanceledFromOpac($reserve_id, $borrowernumber);
 522
 523     returns 1 if reserve can be cancelled by user from OPAC.
 524     First check if reserve belongs to user, next checks if reserve is not in
 525     transfer or waiting status
 526
 527 =cut
 528
 529 sub CanReserveBeCanceledFromOpac {
 530     my ($reserve_id, $borrowernumber) = @_;
 531
 532     return unless $reserve_id and $borrowernumber;
 533     my $reserve = Koha::Holds->find($reserve_id);
 534
 535     return 0 unless $reserve->borrowernumber == $borrowernumber;
 536     return 0 if ( $reserve->found eq 'W' ) or ( $reserve->found eq 'T' );
 537
 538     return 1;
 539
 540 }
 541
 542 =head2 GetOtherReserves
 543
 544   ($messages,$nextreservinfo)=$GetOtherReserves(itemnumber);
 545
 546 Check queued list of this document and check if this document must be transferred
 547
 548 =cut
 549
 550 sub GetOtherReserves {
 551     my ($itemnumber) = @_;
 552     my $messages;
 553     my $nextreservinfo;
 554     my ( undef, $checkreserves, undef ) = CheckReserves($itemnumber);
 555     if ($checkreserves) {
 556         my $item = Koha::Items->find($itemnumber);
 557         if ( $item->holdingbranch ne $checkreserves->{'branchcode'} ) {
 558             $messages->{'transfert'} = $checkreserves->{'branchcode'};
 559             #minus priorities of others reservs
 560             ModReserveMinusPriority(
 561                 $itemnumber,
 562                 $checkreserves->{'reserve_id'},
 563             );
 564
 565             #launch the subroutine dotransfer
 566             C4::Items::ModItemTransfer(
 567                 $itemnumber,
 568                 $item->holdingbranch,
 569                 $checkreserves->{'branchcode'}
 570               ),
 571               ;
 572         }
 573
 574      #step 2b : case of a reservation on the same branch, set the waiting status
 575         else {
 576             $messages->{'waiting'} = 1;
 577             ModReserveMinusPriority(
 578                 $itemnumber,
 579                 $checkreserves->{'reserve_id'},
 580             );
 581             ModReserveStatus($itemnumber,'W');
 582         }
 583
 584         $nextreservinfo = $checkreserves->{'borrowernumber'};
 585     }
 586
 587     return ( $messages, $nextreservinfo );
 588 }
 589
 590 =head2 ChargeReserveFee
 591
 592     $fee = ChargeReserveFee( $borrowernumber, $fee, $title );
 593
 594     Charge the fee for a reserve (if $fee > 0)
 595
 596 =cut
 597
 598 sub ChargeReserveFee {
 599     my ( $borrowernumber, $fee, $title ) = @_;
 600     return if !$fee || $fee == 0;    # the last test is needed to include 0.00
 601     Koha::Account->new( { patron_id => $borrowernumber } )->add_debit(
 602         {
 603             amount       => $fee,
 604             description  => $title,
 605             note         => undef,
 606             user_id      => C4::Context->userenv ? C4::Context->userenv->{'number'} : undef,
 607             library_id   => C4::Context->userenv ? C4::Context->userenv->{'branch'} : undef,
 608             interface    => C4::Context->interface,
 609             invoice_type => undef,
 610             type         => 'RESERVE',
 611             item_id      => undef
 612         }
 613     );
 614 }
 615
 616 =head2 GetReserveFee
 617
 618     $fee = GetReserveFee( $borrowernumber, $biblionumber );
 619
 620     Calculate the fee for a reserve (if applicable).
 621
 622 =cut
 623
 624 sub GetReserveFee {
 625     my ( $borrowernumber, $biblionumber ) = @_;
 626     my $borquery = qq{
 627 SELECT reservefee FROM borrowers LEFT JOIN categories ON borrowers.categorycode = categories.categorycode WHERE borrowernumber = ?
 628     };
 629     my $issue_qry = qq{
 630 SELECT COUNT(*) FROM items
 631 LEFT JOIN issues USING (itemnumber)
 632 WHERE items.biblionumber=? AND issues.issue_id IS NULL
 633     };
 634     my $holds_qry = qq{
 635 SELECT COUNT(*) FROM reserves WHERE biblionumber=? AND borrowernumber<>?
 636     };
 637
 638     my $dbh = C4::Context->dbh;
 639     my ( $fee ) = $dbh->selectrow_array( $borquery, undef, ($borrowernumber) );
 640     my $hold_fee_mode = C4::Context->preference('HoldFeeMode') || 'not_always';
 641     if( $fee and $fee > 0 and $hold_fee_mode eq 'not_always' ) {
 642         # This is a reconstruction of the old code:
 643         # Compare number of items with items issued, and optionally check holds
 644         # If not all items are issued and there are no holds: charge no fee
 645         # NOTE: Lost, damaged, not-for-loan, etc. are just ignored here
 646         my ( $notissued, $reserved );
 647         ( $notissued ) = $dbh->selectrow_array( $issue_qry, undef,
 648             ( $biblionumber ) );
 649         if( $notissued ) {
 650             ( $reserved ) = $dbh->selectrow_array( $holds_qry, undef,
 651                 ( $biblionumber, $borrowernumber ) );
 652             $fee = 0 if $reserved == 0;
 653         }
 654     }
 655     return $fee;
 656 }
 657
 658 =head2 GetReserveStatus
 659
 660   $reservestatus = GetReserveStatus($itemnumber);
 661
 662 Takes an itemnumber and returns the status of the reserve placed on it.
 663 If several reserves exist, the reserve with the lower priority is given.
 664
 665 =cut
 666
 667 ## FIXME: I don't think this does what it thinks it does.
 668 ## It only ever checks the first reserve result, even though
 669 ## multiple reserves for that bib can have the itemnumber set
 670 ## the sub is only used once in the codebase.
 671 sub GetReserveStatus {
 672     my ($itemnumber) = @_;
 673
 674     my $dbh = C4::Context->dbh;
 675
 676     my ($sth, $found, $priority);
 677     if ( $itemnumber ) {
 678         $sth = $dbh->prepare("SELECT found, priority FROM reserves WHERE itemnumber = ? order by priority LIMIT 1");
 679         $sth->execute($itemnumber);
 680         ($found, $priority) = $sth->fetchrow_array;
 681     }
 682
 683     if(defined $found) {
 684         return 'Waiting'  if $found eq 'W' and $priority == 0;
 685         return 'Finished' if $found eq 'F';
 686     }
 687
 688     return 'Reserved' if $priority > 0;
 689
 690     return ''; # empty string here will remove need for checking undef, or less log lines
 691 }
 692
 693 =head2 CheckReserves
 694
 695   ($status, $matched_reserve, $possible_reserves) = &CheckReserves($itemnumber);
 696   ($status, $matched_reserve, $possible_reserves) = &CheckReserves(undef, $barcode);
 697   ($status, $matched_reserve, $possible_reserves) = &CheckReserves($itemnumber,undef,$lookahead);
 698
 699 Find a book in the reserves.
 700
 701 C<$itemnumber> is the book's item number.
 702 C<$lookahead> is the number of days to look in advance for future reserves.
 703
 704 As I understand it, C<&CheckReserves> looks for the given item in the
 705 reserves. If it is found, that's a match, and C<$status> is set to
 706 C<Waiting>.
 707
 708 Otherwise, it finds the most important item in the reserves with the
 709 same biblio number as this book (I'm not clear on this) and returns it
 710 with C<$status> set to C<Reserved>.
 711
 712 C<&CheckReserves> returns a two-element list:
 713
 714 C<$status> is either C<Waiting>, C<Reserved> (see above), or 0.
 715
 716 C<$reserve> is the reserve item that matched. It is a
 717 reference-to-hash whose keys are mostly the fields of the reserves
 718 table in the Koha database.
 719
 720 =cut
 721
 722 sub CheckReserves {
 723     my ( $item, $barcode, $lookahead_days, $ignore_borrowers) = @_;
 724     my $dbh = C4::Context->dbh;
 725     my $sth;
 726     my $select;
 727     if (C4::Context->preference('item-level_itypes')){
 728         $select = "
 729            SELECT items.biblionumber,
 730            items.biblioitemnumber,
 731            itemtypes.notforloan,
 732            items.notforloan AS itemnotforloan,
 733            items.itemnumber,
 734            items.damaged,
 735            items.homebranch,
 736            items.holdingbranch
 737            FROM   items
 738            LEFT JOIN biblioitems ON items.biblioitemnumber = biblioitems.biblioitemnumber
 739            LEFT JOIN itemtypes   ON items.itype   = itemtypes.itemtype
 740         ";
 741     }
 742     else {
 743         $select = "
 744            SELECT items.biblionumber,
 745            items.biblioitemnumber,
 746            itemtypes.notforloan,
 747            items.notforloan AS itemnotforloan,
 748            items.itemnumber,
 749            items.damaged,
 750            items.homebranch,
 751            items.holdingbranch
 752            FROM   items
 753            LEFT JOIN biblioitems ON items.biblioitemnumber = biblioitems.biblioitemnumber
 754            LEFT JOIN itemtypes   ON biblioitems.itemtype   = itemtypes.itemtype
 755         ";
 756     }
 757
 758     if ($item) {
 759         $sth = $dbh->prepare("$select WHERE itemnumber = ?");
 760         $sth->execute($item);
 761     }
 762     else {
 763         $sth = $dbh->prepare("$select WHERE barcode = ?");
 764         $sth->execute($barcode);
 765     }
 766     # note: we get the itemnumber because we might have started w/ just the barcode.  Now we know for sure we have it.
 767     my ( $biblio, $bibitem, $notforloan_per_itemtype, $notforloan_per_item, $itemnumber, $damaged, $item_homebranch, $item_holdingbranch ) = $sth->fetchrow_array;
 768     return if ( $damaged && !C4::Context->preference('AllowHoldsOnDamagedItems') );
 769
 770     return unless $itemnumber; # bail if we got nothing.
 771     # if item is not for loan it cannot be reserved either.....
 772     # except where items.notforloan < 0 :  This indicates the item is holdable.
 773     return if  ( $notforloan_per_item > 0 ) or $notforloan_per_itemtype;
 774
 775     # Find this item in the reserves
 776     my @reserves = _Findgroupreserve( $bibitem, $biblio, $itemnumber, $lookahead_days, $ignore_borrowers);
 777
 778     # $priority and $highest are used to find the most important item
 779     # in the list returned by &_Findgroupreserve. (The lower $priority,
 780     # the more important the item.)
 781     # $highest is the most important item we've seen so far.
 782     my $highest;
 783     if (scalar @reserves) {
 784         my $LocalHoldsPriority = C4::Context->preference('LocalHoldsPriority');
 785         my $LocalHoldsPriorityPatronControl = C4::Context->preference('LocalHoldsPriorityPatronControl');
 786         my $LocalHoldsPriorityItemControl = C4::Context->preference('LocalHoldsPriorityItemControl');
 787
 788         my $priority = 10000000;
 789         foreach my $res (@reserves) {
 790             if ( $res->{'itemnumber'} == $itemnumber && $res->{'priority'} == 0) {
 791                 if ($res->{'found'} eq 'W') {
 792                     return ( "Waiting", $res, \@reserves ); # Found it, it is waiting
 793                 } else {
 794                     return ( "Reserved", $res, \@reserves ); # Found determinated hold, e. g. the tranferred one
 795                 }
 796             } else {
 797                 my $patron;
 798                 my $item;
 799                 my $local_hold_match;
 800
 801                 if ($LocalHoldsPriority) {
 802                     $patron = Koha::Patrons->find( $res->{borrowernumber} );
 803                     $item = Koha::Items->find($itemnumber);
 804
 805                     my $local_holds_priority_item_branchcode =
 806                       $item->$LocalHoldsPriorityItemControl;
 807                     my $local_holds_priority_patron_branchcode =
 808                       ( $LocalHoldsPriorityPatronControl eq 'PickupLibrary' )
 809                       ? $res->{branchcode}
 810                       : ( $LocalHoldsPriorityPatronControl eq 'HomeLibrary' )
 811                       ? $patron->branchcode
 812                       : undef;
 813                     $local_hold_match =
 814                       $local_holds_priority_item_branchcode eq
 815                       $local_holds_priority_patron_branchcode;
 816                 }
 817
 818                 # See if this item is more important than what we've got so far
 819                 if ( ( $res->{'priority'} && $res->{'priority'} < $priority ) || $local_hold_match ) {
 820                     $item ||= Koha::Items->find($itemnumber);
 821                     next if $res->{itemtype} && $res->{itemtype} ne $item->effective_itemtype;
 822                     $patron ||= Koha::Patrons->find( $res->{borrowernumber} );
 823                     my $branch = GetReservesControlBranch( $item->unblessed, $patron->unblessed );
 824                     my $branchitemrule = C4::Circulation::GetBranchItemRule($branch,$item->effective_itemtype);
 825                     next if ($branchitemrule->{'holdallowed'} == 0);
 826                     next if (($branchitemrule->{'holdallowed'} == 1) && ($branch ne $patron->branchcode));
 827                     my $library = Koha::Libraries->find({branchcode=>$item->homebranch});
 828                     next if (($branchitemrule->{'holdallowed'} == 3) && (!$library->validate_hold_sibling({branchcode => $patron->branchcode}) ));
 829                     my $hold_fulfillment_policy = $branchitemrule->{hold_fulfillment_policy};
 830                     next if ( ($hold_fulfillment_policy eq 'holdgroup') && (!$library->validate_hold_sibling({branchcode => $res->{branchcode}})) );
 831                     next if ( ($hold_fulfillment_policy eq 'homebranch') && ($res->{branchcode} ne $item->$hold_fulfillment_policy) );
 832                     next if ( ($hold_fulfillment_policy eq 'holdingbranch') && ($res->{branchcode} ne $item->$hold_fulfillment_policy) );
 833                     next unless $item->can_be_transferred( { to => Koha::Libraries->find( $res->{branchcode} ) } );
 834                     $priority = $res->{'priority'};
 835                     $highest  = $res;
 836                     last if $local_hold_match;
 837                 }
 838             }
 839         }
 840     }
 841
 842     # If we get this far, then no exact match was found.
 843     # We return the most important (i.e. next) reservation.
 844     if ($highest) {
 845         $highest->{'itemnumber'} = $item;
 846         return ( "Reserved", $highest, \@reserves );
 847     }
 848
 849     return ( '' );
 850 }
 851
 852 =head2 CancelExpiredReserves
 853
 854   CancelExpiredReserves();
 855
 856 Cancels all reserves with an expiration date from before today.
 857
 858 =cut
 859
 860 sub CancelExpiredReserves {
 861     my $today = dt_from_string();
 862     my $cancel_on_holidays = C4::Context->preference('ExpireReservesOnHolidays');
 863     my $expireWaiting = C4::Context->preference('ExpireReservesMaxPickUpDelay');
 864
 865     my $dtf = Koha::Database->new->schema->storage->datetime_parser;
 866     my $params = { expirationdate => { '<', $dtf->format_date($today) } };
 867     $params->{found} = [ { '!=', 'W' }, undef ]  unless $expireWaiting;
 868
 869     # FIXME To move to Koha::Holds->search_expired (?)
 870     my $holds = Koha::Holds->search( $params );
 871
 872     while ( my $hold = $holds->next ) {
 873         my $calendar = Koha::Calendar->new( branchcode => $hold->branchcode );
 874
 875         next if !$cancel_on_holidays && $calendar->is_holiday( $today );
 876
 877         my $cancel_params = {};
 878         if ( $hold->found eq 'W' ) {
 879             $cancel_params->{charge_cancel_fee} = 1;
 880         }
 881         $hold->cancel( $cancel_params );
 882     }
 883 }
 884
 885 =head2 AutoUnsuspendReserves
 886
 887   AutoUnsuspendReserves();
 888
 889 Unsuspends all suspended reserves with a suspend_until date from before today.
 890
 891 =cut
 892
 893 sub AutoUnsuspendReserves {
 894     my $today = dt_from_string();
 895
 896     my @holds = Koha::Holds->search( { suspend_until => { '<=' => $today->ymd() } } );
 897
 898     map { $_->resume() } @holds;
 899 }
 900
 901 =head2 ModReserve
 902
 903   ModReserve({ rank => $rank,
 904                reserve_id => $reserve_id,
 905                branchcode => $branchcode
 906                [, itemnumber => $itemnumber ]
 907                [, biblionumber => $biblionumber, $borrowernumber => $borrowernumber ]
 908               });
 909
 910 Change a hold request's priority or cancel it.
 911
 912 C<$rank> specifies the effect of the change.  If C<$rank>
 913 is 'W' or 'n', nothing happens.  This corresponds to leaving a
 914 request alone when changing its priority in the holds queue
 915 for a bib.
 916
 917 If C<$rank> is 'del', the hold request is cancelled.
 918
 919 If C<$rank> is an integer greater than zero, the priority of
 920 the request is set to that value.  Since priority != 0 means
 921 that the item is not waiting on the hold shelf, setting the
 922 priority to a non-zero value also sets the request's found
 923 status and waiting date to NULL.
 924
 925 The optional C<$itemnumber> parameter is used only when
 926 C<$rank> is a non-zero integer; if supplied, the itemnumber
 927 of the hold request is set accordingly; if omitted, the itemnumber
 928 is cleared.
 929
 930 B<FIXME:> Note that the forgoing can have the effect of causing
 931 item-level hold requests to turn into title-level requests.  This
 932 will be fixed once reserves has separate columns for requested
 933 itemnumber and supplying itemnumber.
 934
 935 =cut
 936
 937 sub ModReserve {
 938     my ( $params ) = @_;
 939
 940     my $rank = $params->{'rank'};
 941     my $reserve_id = $params->{'reserve_id'};
 942     my $branchcode = $params->{'branchcode'};
 943     my $itemnumber = $params->{'itemnumber'};
 944     my $suspend_until = $params->{'suspend_until'};
 945     my $borrowernumber = $params->{'borrowernumber'};
 946     my $biblionumber = $params->{'biblionumber'};
 947
 948     return if $rank eq "W";
 949     return if $rank eq "n";
 950
 951     return unless ( $reserve_id || ( $borrowernumber && ( $biblionumber || $itemnumber ) ) );
 952
 953     my $hold;
 954     unless ( $reserve_id ) {
 955         my $holds = Koha::Holds->search({ biblionumber => $biblionumber, borrowernumber => $borrowernumber, itemnumber => $itemnumber });
 956         return unless $holds->count; # FIXME Should raise an exception
 957         $hold = $holds->next;
 958         $reserve_id = $hold->reserve_id;
 959     }
 960
 961     $hold ||= Koha::Holds->find($reserve_id);
 962
 963     if ( $rank eq "del" ) {
 964         $hold->cancel;
 965     }
 966     elsif ($rank =~ /^\d+/ and $rank > 0) {
 967         logaction( 'HOLDS', 'MODIFY', $hold->reserve_id, Dumper($hold->unblessed) )
 968             if C4::Context->preference('HoldsLog');
 969
 970         my $properties = {
 971             priority    => $rank,
 972             branchcode  => $branchcode,
 973             itemnumber  => $itemnumber,
 974             found       => undef,
 975             waitingdate => undef
 976         };
 977         if (exists $params->{reservedate}) {
 978             $properties->{reservedate} = $params->{reservedate} || undef;
 979         }
 980         if (exists $params->{expirationdate}) {
 981             $properties->{expirationdate} = $params->{expirationdate} || undef;
 982         }
 983
 984         $hold->set($properties)->store();
 985
 986         if ( defined( $suspend_until ) ) {
 987             if ( $suspend_until ) {
 988                 $suspend_until = eval { dt_from_string( $suspend_until ) };
 989                 $hold->suspend_hold( $suspend_until );
 990             } else {
 991                 # If the hold is suspended leave the hold suspended, but convert it to an indefinite hold.
 992                 # If the hold is not suspended, this does nothing.
 993                 $hold->set( { suspend_until => undef } )->store();
 994             }
 995         }
 996
 997         _FixPriority({ reserve_id => $reserve_id, rank =>$rank });
 998     }
 999 }
1000
1001 =head2 ModReserveFill
1002
1003   &ModReserveFill($reserve);
1004
1005 Fill a reserve. If I understand this correctly, this means that the
1006 reserved book has been found and given to the patron who reserved it.
1007
1008 C<$reserve> specifies the reserve to fill. It is a reference-to-hash
1009 whose keys are fields from the reserves table in the Koha database.
1010
1011 =cut
1012
1013 sub ModReserveFill {
1014     my ($res) = @_;
1015     my $reserve_id = $res->{'reserve_id'};
1016
1017     my $hold = Koha::Holds->find($reserve_id);
1018     # get the priority on this record....
1019     my $priority = $hold->priority;
1020
1021     # update the hold statuses, no need to store it though, we will be deleting it anyway
1022     $hold->set(
1023         {
1024             found    => 'F',
1025             priority => 0,
1026         }
1027     );
1028
1029     # FIXME Must call Koha::Hold->cancel ? => No, should call ->filled and add the correct log
1030     Koha::Old::Hold->new( $hold->unblessed() )->store();
1031
1032     $hold->delete();
1033
1034     if ( C4::Context->preference('HoldFeeMode') eq 'any_time_is_collected' ) {
1035         my $reserve_fee = GetReserveFee( $hold->borrowernumber, $hold->biblionumber );
1036         ChargeReserveFee( $hold->borrowernumber, $reserve_fee, $hold->biblio->title );
1037     }
1038
1039     # now fix the priority on the others (if the priority wasn't
1040     # already sorted!)....
1041     unless ( $priority == 0 ) {
1042         _FixPriority( { reserve_id => $reserve_id, biblionumber => $hold->biblionumber } );
1043     }
1044 }
1045
1046 =head2 ModReserveStatus
1047
1048   &ModReserveStatus($itemnumber, $newstatus);
1049
1050 Update the reserve status for the active (priority=0) reserve.
1051
1052 $itemnumber is the itemnumber the reserve is on
1053
1054 $newstatus is the new status.
1055
1056 =cut
1057
1058 sub ModReserveStatus {
1059
1060     #first : check if we have a reservation for this item .
1061     my ($itemnumber, $newstatus) = @_;
1062     my $dbh = C4::Context->dbh;
1063
1064     my $query = "UPDATE reserves SET found = ?, waitingdate = NOW() WHERE itemnumber = ? AND found IS NULL AND priority = 0";
1065     my $sth_set = $dbh->prepare($query);
1066     $sth_set->execute( $newstatus, $itemnumber );
1067
1068     my $item = Koha::Items->find($itemnumber);
1069     if ( $item->location && $item->location eq 'CART'
1070         && ( !$item->permanent_location || $item->permanent_location ne 'CART' )
1071         && $newstatus ) {
1072       CartToShelf( $itemnumber );
1073     }
1074 }
1075
1076 =head2 ModReserveAffect
1077
1078   &ModReserveAffect($itemnumber,$borrowernumber,$diffBranchSend,$reserve_id);
1079
1080 This function affect an item and a status for a given reserve, either fetched directly
1081 by record_id, or by borrowernumber and itemnumber or biblionumber. If only biblionumber
1082 is given, only first reserve returned is affected, which is ok for anything but
1083 multi-item holds.
1084
1085 if $transferToDo is not set, then the status is set to "Waiting" as well.
1086 otherwise, a transfer is on the way, and the end of the transfer will
1087 take care of the waiting status
1088
1089 =cut
1090
1091 sub ModReserveAffect {
1092     my ( $itemnumber, $borrowernumber, $transferToDo, $reserve_id ) = @_;
1093     my $dbh = C4::Context->dbh;
1094
1095     # we want to attach $itemnumber to $borrowernumber, find the biblionumber
1096     # attached to $itemnumber
1097     my $sth = $dbh->prepare("SELECT biblionumber FROM items WHERE itemnumber=?");
1098     $sth->execute($itemnumber);
1099     my ($biblionumber) = $sth->fetchrow;
1100
1101     # get request - need to find out if item is already
1102     # waiting in order to not send duplicate hold filled notifications
1103
1104     my $hold;
1105     # Find hold by id if we have it
1106     $hold = Koha::Holds->find( $reserve_id ) if $reserve_id;
1107     # Find item level hold for this item if there is one
1108     $hold ||= Koha::Holds->search( { borrowernumber => $borrowernumber, itemnumber => $itemnumber } )->next();
1109     # Find record level hold if there is no item level hold
1110     $hold ||= Koha::Holds->search( { borrowernumber => $borrowernumber, biblionumber => $biblionumber } )->next();
1111
1112     return unless $hold;
1113
1114     my $already_on_shelf = $hold->found && $hold->found eq 'W';
1115
1116     $hold->itemnumber($itemnumber);
1117     $hold->set_waiting($transferToDo);
1118
1119     _koha_notify_reserve( $hold->reserve_id )
1120       if ( !$transferToDo && !$already_on_shelf );
1121
1122     _FixPriority( { biblionumber => $biblionumber } );
1123     my $item = Koha::Items->find($itemnumber);
1124     if ( $item->location && $item->location eq 'CART'
1125         && ( !$item->permanent_location || $item->permanent_location ne 'CART' ) ) {
1126       CartToShelf( $itemnumber );
1127     }
1128
1129     return;
1130 }
1131
1132 =head2 ModReserveCancelAll
1133
1134   ($messages,$nextreservinfo) = &ModReserveCancelAll($itemnumber,$borrowernumber);
1135
1136 function to cancel reserv,check other reserves, and transfer document if it's necessary
1137
1138 =cut
1139
1140 sub ModReserveCancelAll {
1141     my $messages;
1142     my $nextreservinfo;
1143     my ( $itemnumber, $borrowernumber ) = @_;
1144
1145     #step 1 : cancel the reservation
1146     my $holds = Koha::Holds->search({ itemnumber => $itemnumber, borrowernumber => $borrowernumber });
1147     return unless $holds->count;
1148     $holds->next->cancel;
1149
1150     #step 2 launch the subroutine of the others reserves
1151     ( $messages, $nextreservinfo ) = GetOtherReserves($itemnumber);
1152
1153     return ( $messages, $nextreservinfo );
1154 }
1155
1156 =head2 ModReserveMinusPriority
1157
1158   &ModReserveMinusPriority($itemnumber,$borrowernumber,$biblionumber)
1159
1160 Reduce the values of queued list
1161
1162 =cut
1163
1164 sub ModReserveMinusPriority {
1165     my ( $itemnumber, $reserve_id ) = @_;
1166
1167     #first step update the value of the first person on reserv
1168     my $dbh   = C4::Context->dbh;
1169     my $query = "
1170         UPDATE reserves
1171         SET    priority = 0 , itemnumber = ?
1172         WHERE  reserve_id = ?
1173     ";
1174     my $sth_upd = $dbh->prepare($query);
1175     $sth_upd->execute( $itemnumber, $reserve_id );
1176     # second step update all others reserves
1177     _FixPriority({ reserve_id => $reserve_id, rank => '0' });
1178 }
1179
1180 =head2 IsAvailableForItemLevelRequest
1181
1182   my $is_available = IsAvailableForItemLevelRequest( $item_record, $borrower_record, $pickup_branchcode );
1183
1184 Checks whether a given item record is available for an
1185 item-level hold request.  An item is available if
1186
1187 * it is not lost AND
1188 * it is not damaged AND
1189 * it is not withdrawn AND
1190 * a waiting or in transit reserve is placed on
1191 * does not have a not for loan value > 0
1192
1193 Need to check the issuingrules onshelfholds column,
1194 if this is set items on the shelf can be placed on hold
1195
1196 Note that IsAvailableForItemLevelRequest() does not
1197 check if the staff operator is authorized to place
1198 a request on the item - in particular,
1199 this routine does not check IndependentBranches
1200 and canreservefromotherbranches.
1201
1202 =cut
1203
1204 sub IsAvailableForItemLevelRequest {
1205     my ( $item, $patron, $pickup_branchcode ) = @_;
1206
1207     my $dbh = C4::Context->dbh;
1208     # must check the notforloan setting of the itemtype
1209     # FIXME - a lot of places in the code do this
1210     #         or something similar - need to be
1211     #         consolidated
1212     my $itemtype = $item->effective_itemtype;
1213     my $notforloan_per_itemtype = Koha::ItemTypes->find($itemtype)->notforloan;
1214
1215     return 0 if
1216         $notforloan_per_itemtype ||
1217         $item->itemlost        ||
1218         $item->notforloan > 0  ||
1219         $item->withdrawn        ||
1220         ($item->damaged && !C4::Context->preference('AllowHoldsOnDamagedItems'));
1221
1222     my $on_shelf_holds = Koha::CirculationRules->get_onshelfholds_policy( { item => $item, patron => $patron } );
1223
1224     if ($pickup_branchcode) {
1225         my $destination = Koha::Libraries->find($pickup_branchcode);
1226         return 0 unless $destination;
1227         return 0 unless $destination->pickup_location;
1228         return 0 unless $item->can_be_transferred( { to => $destination } );
1229         my $reserves_control_branch =
1230             GetReservesControlBranch( $item->unblessed(), $patron->unblessed() );
1231         my $branchitemrule =
1232             C4::Circulation::GetBranchItemRule( $reserves_control_branch, $item->itype );
1233         my $home_library = Koka::Libraries->find( {branchcode => $item->homebranch} );
1234         return 0 unless $branchitemrule->{hold_fulfillment_policy} ne 'holdgroup' || $home_library->validate_hold_sibling( {branchcode => $pickup_branchcode} );
1235     }
1236
1237     if ( $on_shelf_holds == 1 ) {
1238         return 1;
1239     } elsif ( $on_shelf_holds == 2 ) {
1240         my @items =
1241           Koha::Items->search( { biblionumber => $item->biblionumber } );
1242
1243         my $any_available = 0;
1244
1245         foreach my $i (@items) {
1246             my $reserves_control_branch = GetReservesControlBranch( $i->unblessed(), $patron->unblessed );
1247             my $branchitemrule = C4::Circulation::GetBranchItemRule( $reserves_control_branch, $i->itype );
1248             my $item_library = Koha::Libraries->find( {branchcode => $i->homebranch} );
1249
1250
1251             $any_available = 1
1252               unless $i->itemlost
1253               || $i->notforloan > 0
1254               || $i->withdrawn
1255               || $i->onloan
1256               || IsItemOnHoldAndFound( $i->id )
1257               || ( $i->damaged
1258                 && !C4::Context->preference('AllowHoldsOnDamagedItems') )
1259               || Koha::ItemTypes->find( $i->effective_itemtype() )->notforloan
1260               || $branchitemrule->{holdallowed} == 1 && $patron->branchcode ne $i->homebranch
1261               || $branchitemrule->{holdallowed} == 3 && !$item_library->validate_hold_sibling( {branchcode => $patron->branchcode} );
1262         }
1263
1264         return $any_available ? 0 : 1;
1265     } else { # on_shelf_holds == 0 "If any unavailable" (the description is rather cryptic and could still be improved)
1266         return $item->onloan || IsItemOnHoldAndFound( $item->itemnumber );
1267     }
1268 }
1269
1270 sub _get_itype {
1271     my $item = shift;
1272
1273     my $itype;
1274     if (C4::Context->preference('item-level_itypes')) {
1275         # We can't trust GetItem to honour the syspref, so safest to do it ourselves
1276         # When GetItem is fixed, we can remove this
1277         $itype = $item->{itype};
1278     }
1279     else {
1280         # XXX This is a bit dodgy. It relies on biblio itemtype column having different name.
1281         # So if we already have a biblioitems join when calling this function,
1282         # we don't need to access the database again
1283         $itype = $item->{itemtype};
1284     }
1285     unless ($itype) {
1286         my $dbh = C4::Context->dbh;
1287         my $query = "SELECT itemtype FROM biblioitems WHERE biblioitemnumber = ? ";
1288         my $sth = $dbh->prepare($query);
1289         $sth->execute($item->{biblioitemnumber});
1290         if (my $data = $sth->fetchrow_hashref()){
1291             $itype = $data->{itemtype};
1292         }
1293     }
1294     return $itype;
1295 }
1296
1297 =head2 AlterPriority
1298
1299   AlterPriority( $where, $reserve_id, $prev_priority, $next_priority, $first_priority, $last_priority );
1300
1301 This function changes a reserve's priority up, down, to the top, or to the bottom.
1302 Input: $where is 'up', 'down', 'top' or 'bottom'. Biblionumber, Date reserve was placed
1303
1304 =cut
1305
1306 sub AlterPriority {
1307     my ( $where, $reserve_id, $prev_priority, $next_priority, $first_priority, $last_priority ) = @_;
1308
1309     my $hold = Koha::Holds->find( $reserve_id );
1310     return unless $hold;
1311
1312     if ( $hold->cancellationdate ) {
1313         warn "I cannot alter the priority for reserve_id $reserve_id, the reserve has been cancelled (" . $hold->cancellationdate . ')';
1314         return;
1315     }
1316
1317     if ( $where eq 'up' ) {
1318       return unless $prev_priority;
1319       _FixPriority({ reserve_id => $reserve_id, rank => $prev_priority })
1320     } elsif ( $where eq 'down' ) {
1321       return unless $next_priority;
1322       _FixPriority({ reserve_id => $reserve_id, rank => $next_priority })
1323     } elsif ( $where eq 'top' ) {
1324       _FixPriority({ reserve_id => $reserve_id, rank => $first_priority })
1325     } elsif ( $where eq 'bottom' ) {
1326       _FixPriority({ reserve_id => $reserve_id, rank => $last_priority });
1327     }
1328
1329     # FIXME Should return the new priority
1330 }
1331
1332 =head2 ToggleLowestPriority
1333
1334   ToggleLowestPriority( $borrowernumber, $biblionumber );
1335
1336 This function sets the lowestPriority field to true if is false, and false if it is true.
1337
1338 =cut
1339
1340 sub ToggleLowestPriority {
1341     my ( $reserve_id ) = @_;
1342
1343     my $dbh = C4::Context->dbh;
1344
1345     my $sth = $dbh->prepare( "UPDATE reserves SET lowestPriority = NOT lowestPriority WHERE reserve_id = ?");
1346     $sth->execute( $reserve_id );
1347
1348     _FixPriority({ reserve_id => $reserve_id, rank => '999999' });
1349 }
1350
1351 =head2 ToggleSuspend
1352
1353   ToggleSuspend( $reserve_id );
1354
1355 This function sets the suspend field to true if is false, and false if it is true.
1356 If the reserve is currently suspended with a suspend_until date, that date will
1357 be cleared when it is unsuspended.
1358
1359 =cut
1360
1361 sub ToggleSuspend {
1362     my ( $reserve_id, $suspend_until ) = @_;
1363
1364     $suspend_until = dt_from_string($suspend_until) if ($suspend_until);
1365
1366     my $hold = Koha::Holds->find( $reserve_id );
1367
1368     if ( $hold->is_suspended ) {
1369         $hold->resume()
1370     } else {
1371         $hold->suspend_hold( $suspend_until );
1372     }
1373 }
1374
1375 =head2 SuspendAll
1376
1377   SuspendAll(
1378       borrowernumber   => $borrowernumber,
1379       [ biblionumber   => $biblionumber, ]
1380       [ suspend_until  => $suspend_until, ]
1381       [ suspend        => $suspend ]
1382   );
1383
1384   This function accepts a set of hash keys as its parameters.
1385   It requires either borrowernumber or biblionumber, or both.
1386
1387   suspend_until is wholly optional.
1388
1389 =cut
1390
1391 sub SuspendAll {
1392     my %params = @_;
1393
1394     my $borrowernumber = $params{'borrowernumber'} || undef;
1395     my $biblionumber   = $params{'biblionumber'}   || undef;
1396     my $suspend_until  = $params{'suspend_until'}  || undef;
1397     my $suspend = defined( $params{'suspend'} ) ? $params{'suspend'} : 1;
1398
1399     $suspend_until = eval { dt_from_string($suspend_until) }
1400       if ( defined($suspend_until) );
1401
1402     return unless ( $borrowernumber || $biblionumber );
1403
1404     my $params;
1405     $params->{found}          = undef;
1406     $params->{borrowernumber} = $borrowernumber if $borrowernumber;
1407     $params->{biblionumber}   = $biblionumber if $biblionumber;
1408
1409     my @holds = Koha::Holds->search($params);
1410
1411     if ($suspend) {
1412         map { $_->suspend_hold($suspend_until) } @holds;
1413     }
1414     else {
1415         map { $_->resume() } @holds;
1416     }
1417 }
1418
1419
1420 =head2 _FixPriority
1421
1422   _FixPriority({
1423     reserve_id => $reserve_id,
1424     [rank => $rank,]
1425     [ignoreSetLowestRank => $ignoreSetLowestRank]
1426   });
1427
1428   or
1429
1430   _FixPriority({ biblionumber => $biblionumber});
1431
1432 This routine adjusts the priority of a hold request and holds
1433 on the same bib.
1434
1435 In the first form, where a reserve_id is passed, the priority of the
1436 hold is set to supplied rank, and other holds for that bib are adjusted
1437 accordingly.  If the rank is "del", the hold is cancelled.  If no rank
1438 is supplied, all of the holds on that bib have their priority adjusted
1439 as if the second form had been used.
1440
1441 In the second form, where a biblionumber is passed, the holds on that
1442 bib (that are not captured) are sorted in order of increasing priority,
1443 then have reserves.priority set so that the first non-captured hold
1444 has its priority set to 1, the second non-captured hold has its priority
1445 set to 2, and so forth.
1446
1447 In both cases, holds that have the lowestPriority flag on are have their
1448 priority adjusted to ensure that they remain at the end of the line.
1449
1450 Note that the ignoreSetLowestRank parameter is meant to be used only
1451 when _FixPriority calls itself.
1452
1453 =cut
1454
1455 sub _FixPriority {
1456     my ( $params ) = @_;
1457     my $reserve_id = $params->{reserve_id};
1458     my $rank = $params->{rank} // '';
1459     my $ignoreSetLowestRank = $params->{ignoreSetLowestRank};
1460     my $biblionumber = $params->{biblionumber};
1461
1462     my $dbh = C4::Context->dbh;
1463
1464     my $hold;
1465     if ( $reserve_id ) {
1466         $hold = Koha::Holds->find( $reserve_id );
1467         return unless $hold;
1468     }
1469
1470     unless ( $biblionumber ) { # FIXME This is a very weird API
1471         $biblionumber = $hold->biblionumber;
1472     }
1473
1474     if ( $rank eq "del" ) { # FIXME will crash if called without $hold
1475         $hold->cancel;
1476     }
1477     elsif ( $reserve_id && ( $rank eq "W" || $rank eq "0" ) ) {
1478
1479         # make sure priority for waiting or in-transit items is 0
1480         my $query = "
1481             UPDATE reserves
1482             SET    priority = 0
1483             WHERE reserve_id = ?
1484             AND found IN ('W', 'T')
1485         ";
1486         my $sth = $dbh->prepare($query);
1487         $sth->execute( $reserve_id );
1488     }
1489     my @priority;
1490
1491     # get whats left
1492     my $query = "
1493         SELECT reserve_id, borrowernumber, reservedate
1494         FROM   reserves
1495         WHERE  biblionumber   = ?
1496           AND  ((found <> 'W' AND found <> 'T') OR found IS NULL)
1497         ORDER BY priority ASC
1498     ";
1499     my $sth = $dbh->prepare($query);
1500     $sth->execute( $biblionumber );
1501     while ( my $line = $sth->fetchrow_hashref ) {
1502         push( @priority,     $line );
1503     }
1504
1505     # FIXME This whole sub must be rewritten, especially to highlight what is done when reserve_id is not given
1506     # To find the matching index
1507     my $i;
1508     my $key = -1;    # to allow for 0 to be a valid result
1509     for ( $i = 0 ; $i < @priority ; $i++ ) {
1510         if ( $reserve_id && $reserve_id == $priority[$i]->{'reserve_id'} ) {
1511             $key = $i;    # save the index
1512             last;
1513         }
1514     }
1515
1516     # if index exists in array then move it to new position
1517     if ( $key > -1 && $rank ne 'del' && $rank > 0 ) {
1518         my $new_rank = $rank -
1519           1;    # $new_rank is what you want the new index to be in the array
1520         my $moving_item = splice( @priority, $key, 1 );
1521         splice( @priority, $new_rank, 0, $moving_item );
1522     }
1523
1524     # now fix the priority on those that are left....
1525     $query = "
1526         UPDATE reserves
1527         SET    priority = ?
1528         WHERE  reserve_id = ?
1529     ";
1530     $sth = $dbh->prepare($query);
1531     for ( my $j = 0 ; $j < @priority ; $j++ ) {
1532         $sth->execute(
1533             $j + 1,
1534             $priority[$j]->{'reserve_id'}
1535         );
1536     }
1537
1538     $sth = $dbh->prepare( "SELECT reserve_id FROM reserves WHERE lowestPriority = 1 ORDER BY priority" );
1539     $sth->execute();
1540
1541     unless ( $ignoreSetLowestRank ) {
1542       while ( my $res = $sth->fetchrow_hashref() ) {
1543         _FixPriority({
1544             reserve_id => $res->{'reserve_id'},
1545             rank => '999999',
1546             ignoreSetLowestRank => 1
1547         });
1548       }
1549     }
1550 }
1551
1552 =head2 _Findgroupreserve
1553
1554   @results = &_Findgroupreserve($biblioitemnumber, $biblionumber, $itemnumber, $lookahead, $ignore_borrowers);
1555
1556 Looks for a holds-queue based item-specific match first, then for a holds-queue title-level match, returning the
1557 first match found.  If neither, then we look for non-holds-queue based holds.
1558 Lookahead is the number of days to look in advance.
1559
1560 C<&_Findgroupreserve> returns :
1561 C<@results> is an array of references-to-hash whose keys are mostly
1562 fields from the reserves table of the Koha database, plus
1563 C<biblioitemnumber>.
1564
1565 This routine with either return:
1566 1 - Item specific holds from the holds queue
1567 2 - Title level holds from the holds queue
1568 3 - All holds for this biblionumber
1569
1570 All return values will respect any borrowernumbers passed as arrayref in $ignore_borrowers
1571
1572 =cut
1573
1574 sub _Findgroupreserve {
1575     my ( $bibitem, $biblio, $itemnumber, $lookahead, $ignore_borrowers) = @_;
1576     my $dbh   = C4::Context->dbh;
1577
1578     # TODO: consolidate at least the SELECT portion of the first 2 queries to a common $select var.
1579     # check for exact targeted match
1580     my $item_level_target_query = qq{
1581         SELECT reserves.biblionumber        AS biblionumber,
1582                reserves.borrowernumber      AS borrowernumber,
1583                reserves.reservedate         AS reservedate,
1584                reserves.branchcode          AS branchcode,
1585                reserves.cancellationdate    AS cancellationdate,
1586                reserves.found               AS found,
1587                reserves.reservenotes        AS reservenotes,
1588                reserves.priority            AS priority,
1589                reserves.timestamp           AS timestamp,
1590                biblioitems.biblioitemnumber AS biblioitemnumber,
1591                reserves.itemnumber          AS itemnumber,
1592                reserves.reserve_id          AS reserve_id,
1593                reserves.itemtype            AS itemtype
1594         FROM reserves
1595         JOIN biblioitems USING (biblionumber)
1596         JOIN hold_fill_targets USING (biblionumber, borrowernumber, itemnumber)
1597         WHERE found IS NULL
1598         AND priority > 0
1599         AND item_level_request = 1
1600         AND itemnumber = ?
1601         AND reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1602         AND suspend = 0
1603         ORDER BY priority
1604     };
1605     my $sth = $dbh->prepare($item_level_target_query);
1606     $sth->execute($itemnumber, $lookahead||0);
1607     my @results;
1608     if ( my $data = $sth->fetchrow_hashref ) {
1609         push( @results, $data )
1610           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1611     }
1612     return @results if @results;
1613
1614     # check for title-level targeted match
1615     my $title_level_target_query = qq{
1616         SELECT reserves.biblionumber        AS biblionumber,
1617                reserves.borrowernumber      AS borrowernumber,
1618                reserves.reservedate         AS reservedate,
1619                reserves.branchcode          AS branchcode,
1620                reserves.cancellationdate    AS cancellationdate,
1621                reserves.found               AS found,
1622                reserves.reservenotes        AS reservenotes,
1623                reserves.priority            AS priority,
1624                reserves.timestamp           AS timestamp,
1625                biblioitems.biblioitemnumber AS biblioitemnumber,
1626                reserves.itemnumber          AS itemnumber,
1627                reserves.reserve_id          AS reserve_id,
1628                reserves.itemtype            AS itemtype
1629         FROM reserves
1630         JOIN biblioitems USING (biblionumber)
1631         JOIN hold_fill_targets USING (biblionumber, borrowernumber)
1632         WHERE found IS NULL
1633         AND priority > 0
1634         AND item_level_request = 0
1635         AND hold_fill_targets.itemnumber = ?
1636         AND reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1637         AND suspend = 0
1638         ORDER BY priority
1639     };
1640     $sth = $dbh->prepare($title_level_target_query);
1641     $sth->execute($itemnumber, $lookahead||0);
1642     @results = ();
1643     if ( my $data = $sth->fetchrow_hashref ) {
1644         push( @results, $data )
1645           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1646     }
1647     return @results if @results;
1648
1649     my $query = qq{
1650         SELECT reserves.biblionumber               AS biblionumber,
1651                reserves.borrowernumber             AS borrowernumber,
1652                reserves.reservedate                AS reservedate,
1653                reserves.waitingdate                AS waitingdate,
1654                reserves.branchcode                 AS branchcode,
1655                reserves.cancellationdate           AS cancellationdate,
1656                reserves.found                      AS found,
1657                reserves.reservenotes               AS reservenotes,
1658                reserves.priority                   AS priority,
1659                reserves.timestamp                  AS timestamp,
1660                reserves.itemnumber                 AS itemnumber,
1661                reserves.reserve_id                 AS reserve_id,
1662                reserves.itemtype                   AS itemtype
1663         FROM reserves
1664         WHERE reserves.biblionumber = ?
1665           AND (reserves.itemnumber IS NULL OR reserves.itemnumber = ?)
1666           AND reserves.reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1667           AND suspend = 0
1668           ORDER BY priority
1669     };
1670     $sth = $dbh->prepare($query);
1671     $sth->execute( $biblio, $itemnumber, $lookahead||0);
1672     @results = ();
1673     while ( my $data = $sth->fetchrow_hashref ) {
1674         push( @results, $data )
1675           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1676     }
1677     return @results;
1678 }
1679
1680 =head2 _koha_notify_reserve
1681
1682   _koha_notify_reserve( $hold->reserve_id );
1683
1684 Sends a notification to the patron that their hold has been filled (through
1685 ModReserveAffect, _not_ ModReserveFill)
1686
1687 The letter code for this notice may be found using the following query:
1688
1689     select distinct letter_code
1690     from message_transports
1691     inner join message_attributes using (message_attribute_id)
1692     where message_name = 'Hold_Filled'
1693
1694 This will probably sipmly be 'HOLD', but because it is defined in the database,
1695 it is subject to addition or change.
1696
1697 The following tables are availalbe witin the notice:
1698
1699     branches
1700     borrowers
1701     biblio
1702     biblioitems
1703     reserves
1704     items
1705
1706 =cut
1707
1708 sub _koha_notify_reserve {
1709     my $reserve_id = shift;
1710     my $hold = Koha::Holds->find($reserve_id);
1711     my $borrowernumber = $hold->borrowernumber;
1712
1713     my $patron = Koha::Patrons->find( $borrowernumber );
1714
1715     # Try to get the borrower's email address
1716     my $to_address = $patron->notice_email_address;
1717
1718     my $messagingprefs = C4::Members::Messaging::GetMessagingPreferences( {
1719             borrowernumber => $borrowernumber,
1720             message_name => 'Hold_Filled'
1721     } );
1722
1723     my $library = Koha::Libraries->find( $hold->branchcode )->unblessed;
1724
1725     my $admin_email_address = $library->{branchemail} || C4::Context->preference('KohaAdminEmailAddress');
1726
1727     my %letter_params = (
1728         module => 'reserves',
1729         branchcode => $hold->branchcode,
1730         lang => $patron->lang,
1731         tables => {
1732             'branches'       => $library,
1733             'borrowers'      => $patron->unblessed,
1734             'biblio'         => $hold->biblionumber,
1735             'biblioitems'    => $hold->biblionumber,
1736             'reserves'       => $hold->unblessed,
1737             'items'          => $hold->itemnumber,
1738         },
1739     );
1740
1741     my $notification_sent = 0; #Keeping track if a Hold_filled message is sent. If no message can be sent, then default to a print message.
1742     my $send_notification = sub {
1743         my ( $mtt, $letter_code ) = (@_);
1744         return unless defined $letter_code;
1745         $letter_params{letter_code} = $letter_code;
1746         $letter_params{message_transport_type} = $mtt;
1747         my $letter =  C4::Letters::GetPreparedLetter ( %letter_params );
1748         unless ($letter) {
1749             warn "Could not find a letter called '$letter_params{'letter_code'}' for $mtt in the 'reserves' module";
1750             return;
1751         }
1752
1753         C4::Letters::EnqueueLetter( {
1754             letter => $letter,
1755             borrowernumber => $borrowernumber,
1756             from_address => $admin_email_address,
1757             message_transport_type => $mtt,
1758         } );
1759     };
1760
1761     while ( my ( $mtt, $letter_code ) = each %{ $messagingprefs->{transports} } ) {
1762         next if (
1763                ( $mtt eq 'email' and not $to_address ) # No email address
1764             or ( $mtt eq 'sms'   and not $patron->smsalertnumber ) # No SMS number
1765             or ( $mtt eq 'phone' and C4::Context->preference('TalkingTechItivaPhoneNotification') ) # Notice is handled by TalkingTech_itiva_outbound.pl
1766         );
1767
1768         &$send_notification($mtt, $letter_code);
1769         $notification_sent++;
1770     }
1771     #Making sure that a print notification is sent if no other transport types can be utilized.
1772     if (! $notification_sent) {
1773         &$send_notification('print', 'HOLD');
1774     }
1775
1776 }
1777
1778 =head2 _ShiftPriorityByDateAndPriority
1779
1780   $new_priority = _ShiftPriorityByDateAndPriority( $biblionumber, $reservedate, $priority );
1781
1782 This increments the priority of all reserves after the one
1783 with either the lowest date after C<$reservedate>
1784 or the lowest priority after C<$priority>.
1785
1786 It effectively makes room for a new reserve to be inserted with a certain
1787 priority, which is returned.
1788
1789 This is most useful when the reservedate can be set by the user.  It allows
1790 the new reserve to be placed before other reserves that have a later
1791 reservedate.  Since priority also is set by the form in reserves/request.pl
1792 the sub accounts for that too.
1793
1794 =cut
1795
1796 sub _ShiftPriorityByDateAndPriority {
1797     my ( $biblio, $resdate, $new_priority ) = @_;
1798
1799     my $dbh = C4::Context->dbh;
1800     my $query = "SELECT priority FROM reserves WHERE biblionumber = ? AND ( reservedate > ? OR priority > ? ) ORDER BY priority ASC LIMIT 1";
1801     my $sth = $dbh->prepare( $query );
1802     $sth->execute( $biblio, $resdate, $new_priority );
1803     my $min_priority = $sth->fetchrow;
1804     # if no such matches are found, $new_priority remains as original value
1805     $new_priority = $min_priority if ( $min_priority );
1806
1807     # Shift the priority up by one; works in conjunction with the next SQL statement
1808     $query = "UPDATE reserves
1809               SET priority = priority+1
1810               WHERE biblionumber = ?
1811               AND borrowernumber = ?
1812               AND reservedate = ?
1813               AND found IS NULL";
1814     my $sth_update = $dbh->prepare( $query );
1815
1816     # Select all reserves for the biblio with priority greater than $new_priority, and order greatest to least
1817     $query = "SELECT borrowernumber, reservedate FROM reserves WHERE priority >= ? AND biblionumber = ? ORDER BY priority DESC";
1818     $sth = $dbh->prepare( $query );
1819     $sth->execute( $new_priority, $biblio );
1820     while ( my $row = $sth->fetchrow_hashref ) {
1821         $sth_update->execute( $biblio, $row->{borrowernumber}, $row->{reservedate} );
1822     }
1823
1824     return $new_priority;  # so the caller knows what priority they wind up receiving
1825 }
1826
1827 =head2 MoveReserve
1828
1829   MoveReserve( $itemnumber, $borrowernumber, $cancelreserve )
1830
1831 Use when checking out an item to handle reserves
1832 If $cancelreserve boolean is set to true, it will remove existing reserve
1833
1834 =cut
1835
1836 sub MoveReserve {
1837     my ( $itemnumber, $borrowernumber, $cancelreserve ) = @_;
1838
1839     my $lookahead = C4::Context->preference('ConfirmFutureHolds'); #number of days to look for future holds
1840     my ( $restype, $res, undef ) = CheckReserves( $itemnumber, undef, $lookahead );
1841     return unless $res;
1842
1843     my $biblionumber     =  $res->{biblionumber};
1844
1845     if ($res->{borrowernumber} == $borrowernumber) {
1846         ModReserveFill($res);
1847     }
1848     else {
1849         # warn "Reserved";
1850         # The item is reserved by someone else.
1851         # Find this item in the reserves
1852
1853         my $borr_res  = Koha::Holds->search({
1854             borrowernumber => $borrowernumber,
1855             biblionumber   => $biblionumber,
1856         },{
1857             order_by       => 'priority'
1858         })->next();
1859
1860         if ( $borr_res ) {
1861             # The item is reserved by the current patron
1862             ModReserveFill($borr_res->unblessed);
1863         }
1864
1865         if ( $cancelreserve eq 'revert' ) { ## Revert waiting reserve to priority 1
1866             RevertWaitingStatus({ itemnumber => $itemnumber });
1867         }
1868         elsif ( $cancelreserve eq 'cancel' || $cancelreserve ) { # cancel reserves on this item
1869             my $hold = Koha::Holds->find( $res->{reserve_id} );
1870             $hold->cancel;
1871         }
1872     }
1873 }
1874
1875 =head2 MergeHolds
1876
1877   MergeHolds($dbh,$to_biblio, $from_biblio);
1878
1879 This shifts the holds from C<$from_biblio> to C<$to_biblio> and reorders them by the date they were placed
1880
1881 =cut
1882
1883 sub MergeHolds {
1884     my ( $dbh, $to_biblio, $from_biblio ) = @_;
1885     my $sth = $dbh->prepare(
1886         "SELECT count(*) as reserve_count FROM reserves WHERE biblionumber = ?"
1887     );
1888     $sth->execute($from_biblio);
1889     if ( my $data = $sth->fetchrow_hashref() ) {
1890
1891         # holds exist on old record, if not we don't need to do anything
1892         $sth = $dbh->prepare(
1893             "UPDATE reserves SET biblionumber = ? WHERE biblionumber = ?");
1894         $sth->execute( $to_biblio, $from_biblio );
1895
1896         # Reorder by date
1897         # don't reorder those already waiting
1898
1899         $sth = $dbh->prepare(
1900 "SELECT * FROM reserves WHERE biblionumber = ? AND (found <> ? AND found <> ? OR found is NULL) ORDER BY reservedate ASC"
1901         );
1902         my $upd_sth = $dbh->prepare(
1903 "UPDATE reserves SET priority = ? WHERE biblionumber = ? AND borrowernumber = ?
1904         AND reservedate = ? AND (itemnumber = ? or itemnumber is NULL) "
1905         );
1906         $sth->execute( $to_biblio, 'W', 'T' );
1907         my $priority = 1;
1908         while ( my $reserve = $sth->fetchrow_hashref() ) {
1909             $upd_sth->execute(
1910                 $priority,                    $to_biblio,
1911                 $reserve->{'borrowernumber'}, $reserve->{'reservedate'},
1912                 $reserve->{'itemnumber'}
1913             );
1914             $priority++;
1915         }
1916     }
1917 }
1918
1919 =head2 RevertWaitingStatus
1920
1921   RevertWaitingStatus({ itemnumber => $itemnumber });
1922
1923   Reverts a 'waiting' hold back to a regular hold with a priority of 1.
1924
1925   Caveat: Any waiting hold fixed with RevertWaitingStatus will be an
1926           item level hold, even if it was only a bibliolevel hold to
1927           begin with. This is because we can no longer know if a hold
1928           was item-level or bib-level after a hold has been set to
1929           waiting status.
1930
1931 =cut
1932
1933 sub RevertWaitingStatus {
1934     my ( $params ) = @_;
1935     my $itemnumber = $params->{'itemnumber'};
1936
1937     return unless ( $itemnumber );
1938
1939     my $dbh = C4::Context->dbh;
1940
1941     ## Get the waiting reserve we want to revert
1942     my $query = "
1943         SELECT * FROM reserves
1944         WHERE itemnumber = ?
1945         AND found IS NOT NULL
1946     ";
1947     my $sth = $dbh->prepare( $query );
1948     $sth->execute( $itemnumber );
1949     my $reserve = $sth->fetchrow_hashref();
1950
1951     my $hold = Koha::Holds->find( $reserve->{reserve_id} ); # TODO Remove the next raw SQL statements and use this instead
1952
1953     ## Increment the priority of all other non-waiting
1954     ## reserves for this bib record
1955     $query = "
1956         UPDATE reserves
1957         SET
1958           priority = priority + 1
1959         WHERE
1960           biblionumber =  ?
1961         AND
1962           priority > 0
1963     ";
1964     $sth = $dbh->prepare( $query );
1965     $sth->execute( $reserve->{'biblionumber'} );
1966
1967     ## Fix up the currently waiting reserve
1968     $query = "
1969     UPDATE reserves
1970     SET
1971       priority = 1,
1972       found = NULL,
1973       waitingdate = NULL
1974     WHERE
1975       reserve_id = ?
1976     ";
1977     $sth = $dbh->prepare( $query );
1978     $sth->execute( $reserve->{'reserve_id'} );
1979
1980     unless ( $hold->item_level_hold ) {
1981         $hold->itemnumber(undef)->store;
1982     }
1983
1984     _FixPriority( { biblionumber => $reserve->{biblionumber} } );
1985 }
1986
1987 =head2 ReserveSlip
1988
1989 ReserveSlip(
1990     {
1991         branchcode     => $branchcode,
1992         borrowernumber => $borrowernumber,
1993         biblionumber   => $biblionumber,
1994         [ itemnumber   => $itemnumber, ]
1995         [ barcode      => $barcode, ]
1996     }
1997   )
1998
1999 Returns letter hash ( see C4::Letters::GetPreparedLetter ) or undef
2000
2001 The letter code will be HOLD_SLIP, and the following tables are
2002 available within the slip:
2003
2004     reserves
2005     branches
2006     borrowers
2007     biblio
2008     biblioitems
2009     items
2010
2011 =cut
2012
2013 sub ReserveSlip {
2014     my ($args) = @_;
2015     my $branchcode     = $args->{branchcode};
2016     my $borrowernumber = $args->{borrowernumber};
2017     my $biblionumber   = $args->{biblionumber};
2018     my $itemnumber     = $args->{itemnumber};
2019     my $barcode        = $args->{barcode};
2020
2021
2022     my $patron = Koha::Patrons->find($borrowernumber);
2023
2024     my $hold;
2025     if ($itemnumber || $barcode ) {
2026         $itemnumber ||= Koha::Items->find( { barcode => $barcode } )->itemnumber;
2027
2028         $hold = Koha::Holds->search(
2029             {
2030                 biblionumber   => $biblionumber,
2031                 borrowernumber => $borrowernumber,
2032                 itemnumber     => $itemnumber
2033             }
2034         )->next;
2035     }
2036     else {
2037         $hold = Koha::Holds->search(
2038             {
2039                 biblionumber   => $biblionumber,
2040                 borrowernumber => $borrowernumber
2041             }
2042         )->next;
2043     }
2044
2045     return unless $hold;
2046     my $reserve = $hold->unblessed;
2047
2048     return  C4::Letters::GetPreparedLetter (
2049         module => 'circulation',
2050         letter_code => 'HOLD_SLIP',
2051         branchcode => $branchcode,
2052         lang => $patron->lang,
2053         tables => {
2054             'reserves'    => $reserve,
2055             'branches'    => $reserve->{branchcode},
2056             'borrowers'   => $reserve->{borrowernumber},
2057             'biblio'      => $reserve->{biblionumber},
2058             'biblioitems' => $reserve->{biblionumber},
2059             'items'       => $reserve->{itemnumber},
2060         },
2061     );
2062 }
2063
2064 =head2 GetReservesControlBranch
2065
2066   my $reserves_control_branch = GetReservesControlBranch($item, $borrower);
2067
2068   Return the branchcode to be used to determine which reserves
2069   policy applies to a transaction.
2070
2071   C<$item> is a hashref for an item. Only 'homebranch' is used.
2072
2073   C<$borrower> is a hashref to borrower. Only 'branchcode' is used.
2074
2075 =cut
2076
2077 sub GetReservesControlBranch {
2078     my ( $item, $borrower ) = @_;
2079
2080     my $reserves_control = C4::Context->preference('ReservesControlBranch');
2081
2082     my $branchcode =
2083         ( $reserves_control eq 'ItemHomeLibrary' ) ? $item->{'homebranch'}
2084       : ( $reserves_control eq 'PatronLibrary' )   ? $borrower->{'branchcode'}
2085       :                                              undef;
2086
2087     return $branchcode;
2088 }
2089
2090 =head2 CalculatePriority
2091
2092     my $p = CalculatePriority($biblionumber, $resdate);
2093
2094 Calculate priority for a new reserve on biblionumber, placing it at
2095 the end of the line of all holds whose start date falls before
2096 the current system time and that are neither on the hold shelf
2097 or in transit.
2098
2099 The reserve date parameter is optional; if it is supplied, the
2100 priority is based on the set of holds whose start date falls before
2101 the parameter value.
2102
2103 After calculation of this priority, it is recommended to call
2104 _ShiftPriorityByDateAndPriority. Note that this is currently done in
2105 AddReserves.
2106
2107 =cut
2108
2109 sub CalculatePriority {
2110     my ( $biblionumber, $resdate ) = @_;
2111
2112     my $sql = q{
2113         SELECT COUNT(*) FROM reserves
2114         WHERE biblionumber = ?
2115         AND   priority > 0
2116         AND   (found IS NULL OR found = '')
2117     };
2118     #skip found==W or found==T (waiting or transit holds)
2119     if( $resdate ) {
2120         $sql.= ' AND ( reservedate <= ? )';
2121     }
2122     else {
2123         $sql.= ' AND ( reservedate < NOW() )';
2124     }
2125     my $dbh = C4::Context->dbh();
2126     my @row = $dbh->selectrow_array(
2127         $sql,
2128         undef,
2129         $resdate ? ($biblionumber, $resdate) : ($biblionumber)
2130     );
2131
2132     return @row ? $row[0]+1 : 1;
2133 }
2134
2135 =head2 IsItemOnHoldAndFound
2136
2137     my $bool = IsItemFoundHold( $itemnumber );
2138
2139     Returns true if the item is currently on hold
2140     and that hold has a non-null found status ( W, T, etc. )
2141
2142 =cut
2143
2144 sub IsItemOnHoldAndFound {
2145     my ($itemnumber) = @_;
2146
2147     my $rs = Koha::Database->new()->schema()->resultset('Reserve');
2148
2149     my $found = $rs->count(
2150         {
2151             itemnumber => $itemnumber,
2152             found      => { '!=' => undef }
2153         }
2154     );
2155
2156     return $found;
2157 }
2158
2159 =head2 GetMaxPatronHoldsForRecord
2160
2161 my $holds_per_record = ReservesControlBranch( $borrowernumber, $biblionumber );
2162
2163 For multiple holds on a given record for a given patron, the max
2164 number of record level holds that a patron can be placed is the highest
2165 value of the holds_per_record rule for each item if the record for that
2166 patron. This subroutine finds and returns the highest holds_per_record
2167 rule value for a given patron id and record id.
2168
2169 =cut
2170
2171 sub GetMaxPatronHoldsForRecord {
2172     my ( $borrowernumber, $biblionumber ) = @_;
2173
2174     my $patron = Koha::Patrons->find($borrowernumber);
2175     my @items = Koha::Items->search( { biblionumber => $biblionumber } );
2176
2177     my $controlbranch = C4::Context->preference('ReservesControlBranch');
2178
2179     my $categorycode = $patron->categorycode;
2180     my $branchcode;
2181     $branchcode = $patron->branchcode if ( $controlbranch eq "PatronLibrary" );
2182
2183     my $max = 0;
2184     foreach my $item (@items) {
2185         my $itemtype = $item->effective_itemtype();
2186
2187         $branchcode = $item->homebranch if ( $controlbranch eq "ItemHomeLibrary" );
2188
2189         my $rule = GetHoldRule( $categorycode, $itemtype, $branchcode );
2190         my $holds_per_record = $rule ? $rule->{holds_per_record} : 0;
2191         $max = $holds_per_record if $holds_per_record > $max;
2192     }
2193
2194     return $max;
2195 }
2196
2197 =head2 GetHoldRule
2198
2199 my $rule = GetHoldRule( $categorycode, $itemtype, $branchcode );
2200
2201 Returns the matching hold related issuingrule fields for a given
2202 patron category, itemtype, and library.
2203
2204 =cut
2205
2206 sub GetHoldRule {
2207     my ( $categorycode, $itemtype, $branchcode ) = @_;
2208
2209     my $reservesallowed = Koha::CirculationRules->get_effective_rule(
2210         {
2211             itemtype     => $itemtype,
2212             categorycode => $categorycode,
2213             branchcode   => $branchcode,
2214             rule_name    => 'reservesallowed',
2215             order_by     => {
2216                 -desc => [ 'categorycode', 'itemtype', 'branchcode' ]
2217             }
2218         }
2219     );
2220
2221     my $rules;
2222     if ( $reservesallowed ) {
2223         $rules->{reservesallowed} = $reservesallowed->rule_value;
2224         $rules->{itemtype}        = $reservesallowed->itemtype;
2225         $rules->{categorycode}    = $reservesallowed->categorycode;
2226         $rules->{branchcode}      = $reservesallowed->branchcode;
2227     }
2228
2229     my $holds_per_x_rules = Koha::CirculationRules->get_effective_rules(
2230         {
2231             itemtype     => $itemtype,
2232             categorycode => $categorycode,
2233             branchcode   => $branchcode,
2234             rules        => ['holds_per_record', 'holds_per_day'],
2235             order_by     => {
2236                 -desc => [ 'categorycode', 'itemtype', 'branchcode' ]
2237             }
2238         }
2239     );
2240     $rules->{holds_per_record} = $holds_per_x_rules->{holds_per_record};
2241     $rules->{holds_per_day} = $holds_per_x_rules->{holds_per_day};
2242
2243     return $rules;
2244 }
2245
2246 =head1 AUTHOR
2247
2248 Koha Development Team <http://koha-community.org/>
2249
2250 =cut
2251
2252 1;