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 strict;
  25 #use warnings; FIXME - Bug 2505
  26 use C4::Context;
  27 use C4::Biblio;
  28 use C4::Members;
  29 use C4::Items;
  30 use C4::Circulation;
  31 use C4::Accounts;
  32
  33 # for _koha_notify_reserve
  34 use C4::Members::Messaging;
  35 use C4::Members qw();
  36 use C4::Letters;
  37 use C4::Log;
  38
  39 use Koha::DateUtils;
  40 use Koha::Calendar;
  41 use Koha::Database;
  42 use Koha::Hold;
  43 use Koha::Old::Hold;
  44 use Koha::Holds;
  45 use Koha::Libraries;
  46 use Koha::IssuingRules;
  47 use Koha::Items;
  48 use Koha::ItemTypes;
  49 use Koha::Patrons;
  50
  51 use List::MoreUtils qw( firstidx any );
  52 use Carp;
  53 use Data::Dumper;
  54
  55 use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
  56
  57 =head1 NAME
  58
  59 C4::Reserves - Koha functions for dealing with reservation.
  60
  61 =head1 SYNOPSIS
  62
  63   use C4::Reserves;
  64
  65 =head1 DESCRIPTION
  66
  67 This modules provides somes functions to deal with reservations.
  68
  69   Reserves are stored in reserves table.
  70   The following columns contains important values :
  71   - priority >0      : then the reserve is at 1st stage, and not yet affected to any item.
  72              =0      : then the reserve is being dealed
  73   - found : NULL       : means the patron requested the 1st available, and we haven't chosen the item
  74             T(ransit)  : the reserve is linked to an item but is in transit to the pickup branch
  75             W(aiting)  : the reserve is linked to an item, is at the pickup branch, and is waiting on the hold shelf
  76             F(inished) : the reserve has been completed, and is done
  77   - itemnumber : empty : the reserve is still unaffected to an item
  78                  filled: the reserve is attached to an item
  79   The complete workflow is :
  80   ==== 1st use case ====
  81   patron request a document, 1st available :                      P >0, F=NULL, I=NULL
  82   a library having it run "transfertodo", and clic on the list
  83          if there is no transfer to do, the reserve waiting
  84          patron can pick it up                                    P =0, F=W,    I=filled
  85          if there is a transfer to do, write in branchtransfer    P =0, F=T,    I=filled
  86            The pickup library receive the book, it check in       P =0, F=W,    I=filled
  87   The patron borrow the book                                      P =0, F=F,    I=filled
  88
  89   ==== 2nd use case ====
  90   patron requests a document, a given item,
  91     If pickup is holding branch                                   P =0, F=W,   I=filled
  92     If transfer needed, write in branchtransfer                   P =0, F=T,    I=filled
  93         The pickup library receive the book, it checks it in      P =0, F=W,    I=filled
  94   The patron borrow the book                                      P =0, F=F,    I=filled
  95
  96 =head1 FUNCTIONS
  97
  98 =cut
  99
 100 BEGIN {
 101     require Exporter;
 102     @ISA = qw(Exporter);
 103     @EXPORT = qw(
 104         &AddReserve
 105
 106         &GetReserve
 107         &GetReservesFromBorrowernumber
 108         &GetReservesForBranch
 109         &GetReservesToBranch
 110         &GetReserveCount
 111         &GetReserveInfo
 112         &GetReserveStatus
 113
 114         &GetOtherReserves
 115
 116         &ModReserveFill
 117         &ModReserveAffect
 118         &ModReserve
 119         &ModReserveStatus
 120         &ModReserveCancelAll
 121         &ModReserveMinusPriority
 122         &MoveReserve
 123
 124         &CheckReserves
 125         &CanBookBeReserved
 126         &CanItemBeReserved
 127         &CanReserveBeCanceledFromOpac
 128         &CancelReserve
 129         &CancelExpiredReserves
 130
 131         &AutoUnsuspendReserves
 132
 133         &IsAvailableForItemLevelRequest
 134
 135         &OPACItemHoldsAllowed
 136
 137         &AlterPriority
 138         &ToggleLowestPriority
 139
 140         &ReserveSlip
 141         &ToggleSuspend
 142         &SuspendAll
 143
 144         &GetReservesControlBranch
 145
 146         IsItemOnHoldAndFound
 147
 148         GetMaxPatronHoldsForRecord
 149     );
 150     @EXPORT_OK = qw( MergeHolds );
 151 }
 152
 153 =head2 AddReserve
 154
 155     AddReserve($branch,$borrowernumber,$biblionumber,$bibitems,$priority,$resdate,$expdate,$notes,$title,$checkitem,$found)
 156
 157 Adds reserve and generates HOLDPLACED message.
 158
 159 The following tables are available witin the HOLDPLACED message:
 160
 161     branches
 162     borrowers
 163     biblio
 164     biblioitems
 165     items
 166     reserves
 167
 168 =cut
 169
 170 sub AddReserve {
 171     my (
 172         $branch,   $borrowernumber, $biblionumber, $bibitems,
 173         $priority, $resdate,        $expdate,      $notes,
 174         $title,    $checkitem,      $found,        $itemtype
 175     ) = @_;
 176
 177     $resdate = output_pref( { str => dt_from_string( $resdate ), dateonly => 1, dateformat => 'iso' })
 178         or output_pref({ dt => dt_from_string, dateonly => 1, dateformat => 'iso' });
 179
 180     $expdate = output_pref({ str => $expdate, dateonly => 1, dateformat => 'iso' });
 181
 182     if ( C4::Context->preference('AllowHoldDateInFuture') ) {
 183
 184         # Make room in reserves for this before those of a later reserve date
 185         $priority = _ShiftPriorityByDateAndPriority( $biblionumber, $resdate, $priority );
 186     }
 187
 188     my $waitingdate;
 189
 190     # If the reserv had the waiting status, we had the value of the resdate
 191     if ( $found eq 'W' ) {
 192         $waitingdate = $resdate;
 193     }
 194
 195     # Don't add itemtype limit if specific item is selected
 196     $itemtype = undef if $checkitem;
 197
 198     # updates take place here
 199     my $hold = Koha::Hold->new(
 200         {
 201             borrowernumber => $borrowernumber,
 202             biblionumber   => $biblionumber,
 203             reservedate    => $resdate,
 204             branchcode     => $branch,
 205             priority       => $priority,
 206             reservenotes   => $notes,
 207             itemnumber     => $checkitem,
 208             found          => $found,
 209             waitingdate    => $waitingdate,
 210             expirationdate => $expdate,
 211             itemtype       => $itemtype,
 212         }
 213     )->store();
 214
 215     logaction( 'HOLDS', 'CREATE', $hold->id, Dumper($hold->unblessed) )
 216         if C4::Context->preference('HoldsLog');
 217
 218     my $reserve_id = $hold->id();
 219
 220     # add a reserve fee if needed
 221     if ( C4::Context->preference('HoldFeeMode') ne 'any_time_is_collected' ) {
 222         my $reserve_fee = GetReserveFee( $borrowernumber, $biblionumber );
 223         ChargeReserveFee( $borrowernumber, $reserve_fee, $title );
 224     }
 225
 226     _FixPriority({ biblionumber => $biblionumber});
 227
 228     # Send e-mail to librarian if syspref is active
 229     if(C4::Context->preference("emailLibrarianWhenHoldIsPlaced")){
 230         my $borrower = C4::Members::GetMember(borrowernumber => $borrowernumber);
 231         my $library = Koha::Libraries->find($borrower->{branchcode})->unblessed;
 232         if ( my $letter =  C4::Letters::GetPreparedLetter (
 233             module => 'reserves',
 234             letter_code => 'HOLDPLACED',
 235             branchcode => $branch,
 236             lang => $borrower->{lang},
 237             tables => {
 238                 'branches'    => $library,
 239                 'borrowers'   => $borrower,
 240                 'biblio'      => $biblionumber,
 241                 'biblioitems' => $biblionumber,
 242                 'items'       => $checkitem,
 243                 'reserves'    => $hold->unblessed,
 244             },
 245         ) ) {
 246
 247             my $admin_email_address = $library->{'branchemail'} || C4::Context->preference('KohaAdminEmailAddress');
 248
 249             C4::Letters::EnqueueLetter(
 250                 {   letter                 => $letter,
 251                     borrowernumber         => $borrowernumber,
 252                     message_transport_type => 'email',
 253                     from_address           => $admin_email_address,
 254                     to_address           => $admin_email_address,
 255                 }
 256             );
 257         }
 258     }
 259
 260     return $reserve_id;
 261 }
 262
 263 =head2 GetReserve
 264
 265     $res = GetReserve( $reserve_id );
 266
 267     Return the current reserve.
 268
 269 =cut
 270
 271 sub GetReserve {
 272     my ($reserve_id) = @_;
 273
 274     my $dbh = C4::Context->dbh;
 275
 276     my $query = "SELECT * FROM reserves WHERE reserve_id = ?";
 277     my $sth = $dbh->prepare( $query );
 278     $sth->execute( $reserve_id );
 279     return $sth->fetchrow_hashref();
 280 }
 281
 282 =head2 GetReservesFromBorrowernumber
 283
 284     $borrowerreserv = GetReservesFromBorrowernumber($borrowernumber,$tatus);
 285
 286 TODO :: Descritpion
 287
 288 =cut
 289
 290 sub GetReservesFromBorrowernumber {
 291     my ( $borrowernumber, $status ) = @_;
 292     my $dbh   = C4::Context->dbh;
 293     my $sth;
 294     if ($status) {
 295         $sth = $dbh->prepare("
 296             SELECT *
 297             FROM   reserves
 298             WHERE  borrowernumber=?
 299                 AND found =?
 300             ORDER BY reservedate
 301         ");
 302         $sth->execute($borrowernumber,$status);
 303     } else {
 304         $sth = $dbh->prepare("
 305             SELECT *
 306             FROM   reserves
 307             WHERE  borrowernumber=?
 308             ORDER BY reservedate
 309         ");
 310         $sth->execute($borrowernumber);
 311     }
 312     my $data = $sth->fetchall_arrayref({});
 313     return @$data;
 314 }
 315
 316 =head2 CanBookBeReserved
 317
 318   $canReserve = &CanBookBeReserved($borrowernumber, $biblionumber)
 319   if ($canReserve eq 'OK') { #We can reserve this Item! }
 320
 321 See CanItemBeReserved() for possible return values.
 322
 323 =cut
 324
 325 sub CanBookBeReserved{
 326     my ($borrowernumber, $biblionumber) = @_;
 327
 328     my $items = GetItemnumbersForBiblio($biblionumber);
 329     #get items linked via host records
 330     my @hostitems = get_hostitemnumbers_of($biblionumber);
 331     if (@hostitems){
 332     push (@$items,@hostitems);
 333     }
 334
 335     my $canReserve;
 336     foreach my $item (@$items) {
 337         $canReserve = CanItemBeReserved( $borrowernumber, $item );
 338         return 'OK' if $canReserve eq 'OK';
 339     }
 340     return $canReserve;
 341 }
 342
 343 =head2 CanItemBeReserved
 344
 345   $canReserve = &CanItemBeReserved($borrowernumber, $itemnumber)
 346   if ($canReserve eq 'OK') { #We can reserve this Item! }
 347
 348 @RETURNS OK,              if the Item can be reserved.
 349          ageRestricted,   if the Item is age restricted for this borrower.
 350          damaged,         if the Item is damaged.
 351          cannotReserveFromOtherBranches, if syspref 'canreservefromotherbranches' is OK.
 352          tooManyReserves, if the borrower has exceeded his maximum reserve amount.
 353          notReservable,   if holds on this item are not allowed
 354
 355 =cut
 356
 357 sub CanItemBeReserved {
 358     my ( $borrowernumber, $itemnumber ) = @_;
 359
 360     my $dbh = C4::Context->dbh;
 361     my $ruleitemtype;    # itemtype of the matching issuing rule
 362     my $allowedreserves  = 0; # Total number of holds allowed across all records
 363     my $holds_per_record = 1; # Total number of holds allowed for this one given record
 364
 365     # we retrieve borrowers and items informations #
 366     # item->{itype} will come for biblioitems if necessery
 367     my $item       = GetItem($itemnumber);
 368     my $biblioData = C4::Biblio::GetBiblioData( $item->{biblionumber} );
 369     my $borrower   = C4::Members::GetMember( 'borrowernumber' => $borrowernumber );
 370
 371     # If an item is damaged and we don't allow holds on damaged items, we can stop right here
 372     return 'damaged'
 373       if ( $item->{damaged}
 374         && !C4::Context->preference('AllowHoldsOnDamagedItems') );
 375
 376     # Check for the age restriction
 377     my ( $ageRestriction, $daysToAgeRestriction ) =
 378       C4::Circulation::GetAgeRestriction( $biblioData->{agerestriction}, $borrower );
 379     return 'ageRestricted' if $daysToAgeRestriction && $daysToAgeRestriction > 0;
 380
 381     # Check that the patron doesn't have an item level hold on this item already
 382     return 'itemAlreadyOnHold'
 383       if Koha::Holds->search( { borrowernumber => $borrowernumber, itemnumber => $itemnumber } )->count();
 384
 385     my $controlbranch = C4::Context->preference('ReservesControlBranch');
 386
 387     my $querycount = q{
 388         SELECT count(*) AS count
 389           FROM reserves
 390      LEFT JOIN items USING (itemnumber)
 391      LEFT JOIN biblioitems ON (reserves.biblionumber=biblioitems.biblionumber)
 392      LEFT JOIN borrowers USING (borrowernumber)
 393          WHERE borrowernumber = ?
 394     };
 395
 396     my $branchcode  = "";
 397     my $branchfield = "reserves.branchcode";
 398
 399     if ( $controlbranch eq "ItemHomeLibrary" ) {
 400         $branchfield = "items.homebranch";
 401         $branchcode  = $item->{homebranch};
 402     }
 403     elsif ( $controlbranch eq "PatronLibrary" ) {
 404         $branchfield = "borrowers.branchcode";
 405         $branchcode  = $borrower->{branchcode};
 406     }
 407
 408     # we retrieve rights
 409     if ( my $rights = GetHoldRule( $borrower->{'categorycode'}, $item->{'itype'}, $branchcode ) ) {
 410         $ruleitemtype     = $rights->{itemtype};
 411         $allowedreserves  = $rights->{reservesallowed};
 412         $holds_per_record = $rights->{holds_per_record};
 413     }
 414     else {
 415         $ruleitemtype = '*';
 416     }
 417
 418     $item = Koha::Items->find( $itemnumber );
 419     my $holds = Koha::Holds->search(
 420         {
 421             borrowernumber => $borrowernumber,
 422             biblionumber   => $item->biblionumber,
 423             found          => undef, # Found holds don't count against a patron's holds limit
 424         }
 425     );
 426     if ( $holds->count() >= $holds_per_record ) {
 427         return "tooManyHoldsForThisRecord";
 428     }
 429
 430     # we retrieve count
 431
 432     $querycount .= "AND $branchfield = ?";
 433
 434     # If using item-level itypes, fall back to the record
 435     # level itemtype if the hold has no associated item
 436     $querycount .=
 437       C4::Context->preference('item-level_itypes')
 438       ? " AND COALESCE( items.itype, biblioitems.itemtype ) = ?"
 439       : " AND biblioitems.itemtype = ?"
 440       if ( $ruleitemtype ne "*" );
 441
 442     my $sthcount = $dbh->prepare($querycount);
 443
 444     if ( $ruleitemtype eq "*" ) {
 445         $sthcount->execute( $borrowernumber, $branchcode );
 446     }
 447     else {
 448         $sthcount->execute( $borrowernumber, $branchcode, $ruleitemtype );
 449     }
 450
 451     my $reservecount = "0";
 452     if ( my $rowcount = $sthcount->fetchrow_hashref() ) {
 453         $reservecount = $rowcount->{count};
 454     }
 455
 456     # we check if it's ok or not
 457     if ( $reservecount >= $allowedreserves ) {
 458         return 'tooManyReserves';
 459     }
 460
 461     my $circ_control_branch =
 462       C4::Circulation::_GetCircControlBranch( $item->unblessed(), $borrower );
 463     my $branchitemrule =
 464       C4::Circulation::GetBranchItemRule( $circ_control_branch, $item->itype );
 465
 466     if ( $branchitemrule->{holdallowed} == 0 ) {
 467         return 'notReservable';
 468     }
 469
 470     if (   $branchitemrule->{holdallowed} == 1
 471         && $borrower->{branchcode} ne $item->homebranch )
 472     {
 473         return 'cannotReserveFromOtherBranches';
 474     }
 475
 476     # If reservecount is ok, we check item branch if IndependentBranches is ON
 477     # and canreservefromotherbranches is OFF
 478     if ( C4::Context->preference('IndependentBranches')
 479         and !C4::Context->preference('canreservefromotherbranches') )
 480     {
 481         my $itembranch = $item->homebranch;
 482         if ( $itembranch ne $borrower->{branchcode} ) {
 483             return 'cannotReserveFromOtherBranches';
 484         }
 485     }
 486
 487     return 'OK';
 488 }
 489
 490 =head2 CanReserveBeCanceledFromOpac
 491
 492     $number = CanReserveBeCanceledFromOpac($reserve_id, $borrowernumber);
 493
 494     returns 1 if reserve can be cancelled by user from OPAC.
 495     First check if reserve belongs to user, next checks if reserve is not in
 496     transfer or waiting status
 497
 498 =cut
 499
 500 sub CanReserveBeCanceledFromOpac {
 501     my ($reserve_id, $borrowernumber) = @_;
 502
 503     return unless $reserve_id and $borrowernumber;
 504     my $reserve = GetReserve($reserve_id);
 505
 506     return 0 unless $reserve->{borrowernumber} == $borrowernumber;
 507     return 0 if ( $reserve->{found} eq 'W' ) or ( $reserve->{found} eq 'T' );
 508
 509     return 1;
 510
 511 }
 512
 513 =head2 GetReserveCount
 514
 515   $number = &GetReserveCount($borrowernumber);
 516
 517 this function returns the number of reservation for a borrower given on input arg.
 518
 519 =cut
 520
 521 sub GetReserveCount {
 522     my ($borrowernumber) = @_;
 523
 524     my $dbh = C4::Context->dbh;
 525
 526     my $query = "
 527         SELECT COUNT(*) AS counter
 528         FROM reserves
 529         WHERE borrowernumber = ?
 530     ";
 531     my $sth = $dbh->prepare($query);
 532     $sth->execute($borrowernumber);
 533     my $row = $sth->fetchrow_hashref;
 534     return $row->{counter};
 535 }
 536
 537 =head2 GetOtherReserves
 538
 539   ($messages,$nextreservinfo)=$GetOtherReserves(itemnumber);
 540
 541 Check queued list of this document and check if this document must be transferred
 542
 543 =cut
 544
 545 sub GetOtherReserves {
 546     my ($itemnumber) = @_;
 547     my $messages;
 548     my $nextreservinfo;
 549     my ( undef, $checkreserves, undef ) = CheckReserves($itemnumber);
 550     if ($checkreserves) {
 551         my $iteminfo = GetItem($itemnumber);
 552         if ( $iteminfo->{'holdingbranch'} ne $checkreserves->{'branchcode'} ) {
 553             $messages->{'transfert'} = $checkreserves->{'branchcode'};
 554             #minus priorities of others reservs
 555             ModReserveMinusPriority(
 556                 $itemnumber,
 557                 $checkreserves->{'reserve_id'},
 558             );
 559
 560             #launch the subroutine dotransfer
 561             C4::Items::ModItemTransfer(
 562                 $itemnumber,
 563                 $iteminfo->{'holdingbranch'},
 564                 $checkreserves->{'branchcode'}
 565               ),
 566               ;
 567         }
 568
 569      #step 2b : case of a reservation on the same branch, set the waiting status
 570         else {
 571             $messages->{'waiting'} = 1;
 572             ModReserveMinusPriority(
 573                 $itemnumber,
 574                 $checkreserves->{'reserve_id'},
 575             );
 576             ModReserveStatus($itemnumber,'W');
 577         }
 578
 579         $nextreservinfo = $checkreserves->{'borrowernumber'};
 580     }
 581
 582     return ( $messages, $nextreservinfo );
 583 }
 584
 585 =head2 ChargeReserveFee
 586
 587     $fee = ChargeReserveFee( $borrowernumber, $fee, $title );
 588
 589     Charge the fee for a reserve (if $fee > 0)
 590
 591 =cut
 592
 593 sub ChargeReserveFee {
 594     my ( $borrowernumber, $fee, $title ) = @_;
 595     return if !$fee || $fee==0; # the last test is needed to include 0.00
 596     my $accquery = qq{
 597 INSERT INTO accountlines ( borrowernumber, accountno, date, amount, description, accounttype, amountoutstanding ) VALUES (?, ?, NOW(), ?, ?, 'Res', ?)
 598     };
 599     my $dbh = C4::Context->dbh;
 600     my $nextacctno = &getnextacctno( $borrowernumber );
 601     $dbh->do( $accquery, undef, ( $borrowernumber, $nextacctno, $fee, "Reserve Charge - $title", $fee ) );
 602 }
 603
 604 =head2 GetReserveFee
 605
 606     $fee = GetReserveFee( $borrowernumber, $biblionumber );
 607
 608     Calculate the fee for a reserve (if applicable).
 609
 610 =cut
 611
 612 sub GetReserveFee {
 613     my ( $borrowernumber, $biblionumber ) = @_;
 614     my $borquery = qq{
 615 SELECT reservefee FROM borrowers LEFT JOIN categories ON borrowers.categorycode = categories.categorycode WHERE borrowernumber = ?
 616     };
 617     my $issue_qry = qq{
 618 SELECT COUNT(*) FROM items
 619 LEFT JOIN issues USING (itemnumber)
 620 WHERE items.biblionumber=? AND issues.issue_id IS NULL
 621     };
 622     my $holds_qry = qq{
 623 SELECT COUNT(*) FROM reserves WHERE biblionumber=? AND borrowernumber<>?
 624     };
 625
 626     my $dbh = C4::Context->dbh;
 627     my ( $fee ) = $dbh->selectrow_array( $borquery, undef, ($borrowernumber) );
 628     my $hold_fee_mode = C4::Context->preference('HoldFeeMode') || 'not_always';
 629     if( $fee and $fee > 0 and $hold_fee_mode eq 'not_always' ) {
 630         # This is a reconstruction of the old code:
 631         # Compare number of items with items issued, and optionally check holds
 632         # If not all items are issued and there are no holds: charge no fee
 633         # NOTE: Lost, damaged, not-for-loan, etc. are just ignored here
 634         my ( $notissued, $reserved );
 635         ( $notissued ) = $dbh->selectrow_array( $issue_qry, undef,
 636             ( $biblionumber ) );
 637         if( $notissued ) {
 638             ( $reserved ) = $dbh->selectrow_array( $holds_qry, undef,
 639                 ( $biblionumber, $borrowernumber ) );
 640             $fee = 0 if $reserved == 0;
 641         }
 642     }
 643     return $fee;
 644 }
 645
 646 =head2 GetReservesToBranch
 647
 648   @transreserv = GetReservesToBranch( $frombranch );
 649
 650 Get reserve list for a given branch
 651
 652 =cut
 653
 654 sub GetReservesToBranch {
 655     my ( $frombranch ) = @_;
 656     my $dbh = C4::Context->dbh;
 657     my $sth = $dbh->prepare(
 658         "SELECT reserve_id,borrowernumber,reservedate,itemnumber,timestamp
 659          FROM reserves
 660          WHERE priority='0'
 661            AND branchcode=?"
 662     );
 663     $sth->execute( $frombranch );
 664     my @transreserv;
 665     my $i = 0;
 666     while ( my $data = $sth->fetchrow_hashref ) {
 667         $transreserv[$i] = $data;
 668         $i++;
 669     }
 670     return (@transreserv);
 671 }
 672
 673 =head2 GetReservesForBranch
 674
 675   @transreserv = GetReservesForBranch($frombranch);
 676
 677 =cut
 678
 679 sub GetReservesForBranch {
 680     my ($frombranch) = @_;
 681     my $dbh = C4::Context->dbh;
 682
 683     my $query = "
 684         SELECT reserve_id,borrowernumber,reservedate,itemnumber,waitingdate, expirationdate
 685         FROM   reserves
 686         WHERE   priority='0'
 687         AND found='W'
 688     ";
 689     $query .= " AND branchcode=? " if ( $frombranch );
 690     $query .= "ORDER BY waitingdate" ;
 691
 692     my $sth = $dbh->prepare($query);
 693     if ($frombranch){
 694      $sth->execute($frombranch);
 695     } else {
 696         $sth->execute();
 697     }
 698
 699     my @transreserv;
 700     my $i = 0;
 701     while ( my $data = $sth->fetchrow_hashref ) {
 702         $transreserv[$i] = $data;
 703         $i++;
 704     }
 705     return (@transreserv);
 706 }
 707
 708 =head2 GetReserveStatus
 709
 710   $reservestatus = GetReserveStatus($itemnumber);
 711
 712 Takes an itemnumber and returns the status of the reserve placed on it.
 713 If several reserves exist, the reserve with the lower priority is given.
 714
 715 =cut
 716
 717 ## FIXME: I don't think this does what it thinks it does.
 718 ## It only ever checks the first reserve result, even though
 719 ## multiple reserves for that bib can have the itemnumber set
 720 ## the sub is only used once in the codebase.
 721 sub GetReserveStatus {
 722     my ($itemnumber) = @_;
 723
 724     my $dbh = C4::Context->dbh;
 725
 726     my ($sth, $found, $priority);
 727     if ( $itemnumber ) {
 728         $sth = $dbh->prepare("SELECT found, priority FROM reserves WHERE itemnumber = ? order by priority LIMIT 1");
 729         $sth->execute($itemnumber);
 730         ($found, $priority) = $sth->fetchrow_array;
 731     }
 732
 733     if(defined $found) {
 734         return 'Waiting'  if $found eq 'W' and $priority == 0;
 735         return 'Finished' if $found eq 'F';
 736     }
 737
 738     return 'Reserved' if $priority > 0;
 739
 740     return ''; # empty string here will remove need for checking undef, or less log lines
 741 }
 742
 743 =head2 CheckReserves
 744
 745   ($status, $reserve, $all_reserves) = &CheckReserves($itemnumber);
 746   ($status, $reserve, $all_reserves) = &CheckReserves(undef, $barcode);
 747   ($status, $reserve, $all_reserves) = &CheckReserves($itemnumber,undef,$lookahead);
 748
 749 Find a book in the reserves.
 750
 751 C<$itemnumber> is the book's item number.
 752 C<$lookahead> is the number of days to look in advance for future reserves.
 753
 754 As I understand it, C<&CheckReserves> looks for the given item in the
 755 reserves. If it is found, that's a match, and C<$status> is set to
 756 C<Waiting>.
 757
 758 Otherwise, it finds the most important item in the reserves with the
 759 same biblio number as this book (I'm not clear on this) and returns it
 760 with C<$status> set to C<Reserved>.
 761
 762 C<&CheckReserves> returns a two-element list:
 763
 764 C<$status> is either C<Waiting>, C<Reserved> (see above), or 0.
 765
 766 C<$reserve> is the reserve item that matched. It is a
 767 reference-to-hash whose keys are mostly the fields of the reserves
 768 table in the Koha database.
 769
 770 =cut
 771
 772 sub CheckReserves {
 773     my ( $item, $barcode, $lookahead_days, $ignore_borrowers) = @_;
 774     my $dbh = C4::Context->dbh;
 775     my $sth;
 776     my $select;
 777     if (C4::Context->preference('item-level_itypes')){
 778         $select = "
 779            SELECT items.biblionumber,
 780            items.biblioitemnumber,
 781            itemtypes.notforloan,
 782            items.notforloan AS itemnotforloan,
 783            items.itemnumber,
 784            items.damaged,
 785            items.homebranch,
 786            items.holdingbranch
 787            FROM   items
 788            LEFT JOIN biblioitems ON items.biblioitemnumber = biblioitems.biblioitemnumber
 789            LEFT JOIN itemtypes   ON items.itype   = itemtypes.itemtype
 790         ";
 791     }
 792     else {
 793         $select = "
 794            SELECT items.biblionumber,
 795            items.biblioitemnumber,
 796            itemtypes.notforloan,
 797            items.notforloan AS itemnotforloan,
 798            items.itemnumber,
 799            items.damaged,
 800            items.homebranch,
 801            items.holdingbranch
 802            FROM   items
 803            LEFT JOIN biblioitems ON items.biblioitemnumber = biblioitems.biblioitemnumber
 804            LEFT JOIN itemtypes   ON biblioitems.itemtype   = itemtypes.itemtype
 805         ";
 806     }
 807
 808     if ($item) {
 809         $sth = $dbh->prepare("$select WHERE itemnumber = ?");
 810         $sth->execute($item);
 811     }
 812     else {
 813         $sth = $dbh->prepare("$select WHERE barcode = ?");
 814         $sth->execute($barcode);
 815     }
 816     # note: we get the itemnumber because we might have started w/ just the barcode.  Now we know for sure we have it.
 817     my ( $biblio, $bibitem, $notforloan_per_itemtype, $notforloan_per_item, $itemnumber, $damaged, $item_homebranch, $item_holdingbranch ) = $sth->fetchrow_array;
 818
 819     return if ( $damaged && !C4::Context->preference('AllowHoldsOnDamagedItems') );
 820
 821     return unless $itemnumber; # bail if we got nothing.
 822
 823     # if item is not for loan it cannot be reserved either.....
 824     # except where items.notforloan < 0 :  This indicates the item is holdable.
 825     return if  ( $notforloan_per_item > 0 ) or $notforloan_per_itemtype;
 826
 827     # Find this item in the reserves
 828     my @reserves = _Findgroupreserve( $bibitem, $biblio, $itemnumber, $lookahead_days, $ignore_borrowers);
 829
 830     # $priority and $highest are used to find the most important item
 831     # in the list returned by &_Findgroupreserve. (The lower $priority,
 832     # the more important the item.)
 833     # $highest is the most important item we've seen so far.
 834     my $highest;
 835     if (scalar @reserves) {
 836         my $LocalHoldsPriority = C4::Context->preference('LocalHoldsPriority');
 837         my $LocalHoldsPriorityPatronControl = C4::Context->preference('LocalHoldsPriorityPatronControl');
 838         my $LocalHoldsPriorityItemControl = C4::Context->preference('LocalHoldsPriorityItemControl');
 839
 840         my $priority = 10000000;
 841         foreach my $res (@reserves) {
 842             if ( $res->{'itemnumber'} == $itemnumber && $res->{'priority'} == 0) {
 843                 return ( "Waiting", $res, \@reserves ); # Found it
 844             } else {
 845                 my $borrowerinfo;
 846                 my $iteminfo;
 847                 my $local_hold_match;
 848
 849                 if ($LocalHoldsPriority) {
 850                     $borrowerinfo = C4::Members::GetMember( borrowernumber => $res->{'borrowernumber'} );
 851                     $iteminfo = C4::Items::GetItem($itemnumber);
 852
 853                     my $local_holds_priority_item_branchcode =
 854                       $iteminfo->{$LocalHoldsPriorityItemControl};
 855                     my $local_holds_priority_patron_branchcode =
 856                       ( $LocalHoldsPriorityPatronControl eq 'PickupLibrary' )
 857                       ? $res->{branchcode}
 858                       : ( $LocalHoldsPriorityPatronControl eq 'HomeLibrary' )
 859                       ? $borrowerinfo->{branchcode}
 860                       : undef;
 861                     $local_hold_match =
 862                       $local_holds_priority_item_branchcode eq
 863                       $local_holds_priority_patron_branchcode;
 864                 }
 865
 866                 # See if this item is more important than what we've got so far
 867                 if ( ( $res->{'priority'} && $res->{'priority'} < $priority ) || $local_hold_match ) {
 868                     $iteminfo ||= C4::Items::GetItem($itemnumber);
 869                     next if $res->{itemtype} && $res->{itemtype} ne _get_itype( $iteminfo );
 870                     $borrowerinfo ||= C4::Members::GetMember( borrowernumber => $res->{'borrowernumber'} );
 871                     my $branch = GetReservesControlBranch( $iteminfo, $borrowerinfo );
 872                     my $branchitemrule = C4::Circulation::GetBranchItemRule($branch,$iteminfo->{'itype'});
 873                     next if ($branchitemrule->{'holdallowed'} == 0);
 874                     next if (($branchitemrule->{'holdallowed'} == 1) && ($branch ne $borrowerinfo->{'branchcode'}));
 875                     next if ( ($branchitemrule->{hold_fulfillment_policy} ne 'any') && ($res->{branchcode} ne $iteminfo->{ $branchitemrule->{hold_fulfillment_policy} }) );
 876                     $priority = $res->{'priority'};
 877                     $highest  = $res;
 878                     last if $local_hold_match;
 879                 }
 880             }
 881         }
 882     }
 883
 884     # If we get this far, then no exact match was found.
 885     # We return the most important (i.e. next) reservation.
 886     if ($highest) {
 887         $highest->{'itemnumber'} = $item;
 888         return ( "Reserved", $highest, \@reserves );
 889     }
 890
 891     return ( '' );
 892 }
 893
 894 =head2 CancelExpiredReserves
 895
 896   CancelExpiredReserves();
 897
 898 Cancels all reserves with an expiration date from before today.
 899
 900 =cut
 901
 902 sub CancelExpiredReserves {
 903
 904     my $today = dt_from_string();
 905     my $cancel_on_holidays = C4::Context->preference('ExpireReservesOnHolidays');
 906
 907     my $dbh = C4::Context->dbh;
 908     my $sth = $dbh->prepare( "
 909         SELECT * FROM reserves WHERE DATE(expirationdate) < DATE( CURDATE() )
 910         AND expirationdate IS NOT NULL
 911     " );
 912     $sth->execute();
 913
 914     while ( my $res = $sth->fetchrow_hashref() ) {
 915         my $calendar = Koha::Calendar->new( branchcode => $res->{'branchcode'} );
 916         my $cancel_params = { reserve_id => $res->{'reserve_id'} };
 917
 918         next if !$cancel_on_holidays && $calendar->is_holiday( $today );
 919
 920         if ( $res->{found} eq 'W' ) {
 921             $cancel_params->{charge_cancel_fee} = 1;
 922         }
 923
 924         CancelReserve($cancel_params);
 925     }
 926 }
 927
 928 =head2 AutoUnsuspendReserves
 929
 930   AutoUnsuspendReserves();
 931
 932 Unsuspends all suspended reserves with a suspend_until date from before today.
 933
 934 =cut
 935
 936 sub AutoUnsuspendReserves {
 937     my $today = dt_from_string();
 938
 939     my @holds = Koha::Holds->search( { suspend_until => { '<' => $today->ymd() } } );
 940
 941     map { $_->suspend(0)->suspend_until(undef)->store() } @holds;
 942 }
 943
 944 =head2 CancelReserve
 945
 946   CancelReserve({ reserve_id => $reserve_id, [ biblionumber => $biblionumber, borrowernumber => $borrrowernumber, itemnumber => $itemnumber, ] [ charge_cancel_fee => 1 ] });
 947
 948 Cancels a reserve. If C<charge_cancel_fee> is passed and the C<ExpireReservesMaxPickUpDelayCharge> syspref is set, charge that fee to the patron's account.
 949
 950 =cut
 951
 952 sub CancelReserve {
 953     my ( $params ) = @_;
 954
 955     my $reserve_id = $params->{'reserve_id'};
 956     # Filter out only the desired keys; this will insert undefined values for elements missing in
 957     # \%params, but GetReserveId filters them out anyway.
 958     $reserve_id = GetReserveId( { biblionumber => $params->{'biblionumber'}, borrowernumber => $params->{'borrowernumber'}, itemnumber => $params->{'itemnumber'} } ) unless ( $reserve_id );
 959
 960     return unless ( $reserve_id );
 961
 962     my $dbh = C4::Context->dbh;
 963
 964     my $reserve = GetReserve( $reserve_id );
 965     if ($reserve) {
 966
 967         my $hold = Koha::Holds->find( $reserve_id );
 968         logaction( 'HOLDS', 'CANCEL', $hold->reserve_id, Dumper($hold->unblessed) )
 969             if C4::Context->preference('HoldsLog');
 970
 971         my $query = "
 972             UPDATE reserves
 973             SET    cancellationdate = now(),
 974                    priority         = 0
 975             WHERE  reserve_id = ?
 976         ";
 977         my $sth = $dbh->prepare($query);
 978         $sth->execute( $reserve_id );
 979
 980         $query = "
 981             INSERT INTO old_reserves
 982             SELECT * FROM reserves
 983             WHERE  reserve_id = ?
 984         ";
 985         $sth = $dbh->prepare($query);
 986         $sth->execute( $reserve_id );
 987
 988         $query = "
 989             DELETE FROM reserves
 990             WHERE  reserve_id = ?
 991         ";
 992         $sth = $dbh->prepare($query);
 993         $sth->execute( $reserve_id );
 994
 995         # now fix the priority on the others....
 996         _FixPriority({ biblionumber => $reserve->{biblionumber} });
 997
 998         # and, if desired, charge a cancel fee
 999         my $charge = C4::Context->preference("ExpireReservesMaxPickUpDelayCharge");
1000         if ( $charge && $params->{'charge_cancel_fee'} ) {
1001             manualinvoice($reserve->{'borrowernumber'}, $reserve->{'itemnumber'}, '', 'HE', $charge);
1002         }
1003     }
1004
1005     return $reserve;
1006 }
1007
1008 =head2 ModReserve
1009
1010   ModReserve({ rank => $rank,
1011                reserve_id => $reserve_id,
1012                branchcode => $branchcode
1013                [, itemnumber => $itemnumber ]
1014                [, biblionumber => $biblionumber, $borrowernumber => $borrowernumber ]
1015               });
1016
1017 Change a hold request's priority or cancel it.
1018
1019 C<$rank> specifies the effect of the change.  If C<$rank>
1020 is 'W' or 'n', nothing happens.  This corresponds to leaving a
1021 request alone when changing its priority in the holds queue
1022 for a bib.
1023
1024 If C<$rank> is 'del', the hold request is cancelled.
1025
1026 If C<$rank> is an integer greater than zero, the priority of
1027 the request is set to that value.  Since priority != 0 means
1028 that the item is not waiting on the hold shelf, setting the
1029 priority to a non-zero value also sets the request's found
1030 status and waiting date to NULL.
1031
1032 The optional C<$itemnumber> parameter is used only when
1033 C<$rank> is a non-zero integer; if supplied, the itemnumber
1034 of the hold request is set accordingly; if omitted, the itemnumber
1035 is cleared.
1036
1037 B<FIXME:> Note that the forgoing can have the effect of causing
1038 item-level hold requests to turn into title-level requests.  This
1039 will be fixed once reserves has separate columns for requested
1040 itemnumber and supplying itemnumber.
1041
1042 =cut
1043
1044 sub ModReserve {
1045     my ( $params ) = @_;
1046
1047     my $rank = $params->{'rank'};
1048     my $reserve_id = $params->{'reserve_id'};
1049     my $branchcode = $params->{'branchcode'};
1050     my $itemnumber = $params->{'itemnumber'};
1051     my $suspend_until = $params->{'suspend_until'};
1052     my $borrowernumber = $params->{'borrowernumber'};
1053     my $biblionumber = $params->{'biblionumber'};
1054
1055     return if $rank eq "W";
1056     return if $rank eq "n";
1057
1058     return unless ( $reserve_id || ( $borrowernumber && ( $biblionumber || $itemnumber ) ) );
1059     $reserve_id = GetReserveId({ biblionumber => $biblionumber, borrowernumber => $borrowernumber, itemnumber => $itemnumber }) unless ( $reserve_id );
1060
1061     if ( $rank eq "del" ) {
1062         CancelReserve({ reserve_id => $reserve_id });
1063     }
1064     elsif ($rank =~ /^\d+/ and $rank > 0) {
1065         my $hold = Koha::Holds->find($reserve_id);
1066         logaction( 'HOLDS', 'MODIFY', $hold->reserve_id, Dumper($hold->unblessed) )
1067             if C4::Context->preference('HoldsLog');
1068
1069         $hold->set(
1070             {
1071                 priority    => $rank,
1072                 branchcode  => $branchcode,
1073                 itemnumber  => $itemnumber,
1074                 found       => undef,
1075                 waitingdate => undef
1076             }
1077         )->store();
1078
1079         if ( defined( $suspend_until ) ) {
1080             if ( $suspend_until ) {
1081                 $suspend_until = eval { dt_from_string( $suspend_until ) };
1082                 $hold->suspend_hold( $suspend_until );
1083             } else {
1084                 # If the hold is suspended leave the hold suspended, but convert it to an indefinite hold.
1085                 # If the hold is not suspended, this does nothing.
1086                 $hold->set( { suspend_until => undef } )->store();
1087             }
1088         }
1089
1090         _FixPriority({ reserve_id => $reserve_id, rank =>$rank });
1091     }
1092 }
1093
1094 =head2 ModReserveFill
1095
1096   &ModReserveFill($reserve);
1097
1098 Fill a reserve. If I understand this correctly, this means that the
1099 reserved book has been found and given to the patron who reserved it.
1100
1101 C<$reserve> specifies the reserve to fill. It is a reference-to-hash
1102 whose keys are fields from the reserves table in the Koha database.
1103
1104 =cut
1105
1106 sub ModReserveFill {
1107     my ($res) = @_;
1108     my $reserve_id = $res->{'reserve_id'};
1109
1110     my $hold = Koha::Holds->find($reserve_id);
1111
1112     # get the priority on this record....
1113     my $priority = $hold->priority;
1114
1115     # update the hold statuses, no need to store it though, we will be deleting it anyway
1116     $hold->set(
1117         {
1118             found    => 'F',
1119             priority => 0,
1120         }
1121     );
1122
1123     Koha::Old::Hold->new( $hold->unblessed() )->store();
1124
1125     $hold->delete();
1126
1127     if ( C4::Context->preference('HoldFeeMode') eq 'any_time_is_collected' ) {
1128         my $reserve_fee = GetReserveFee( $hold->borrowernumber, $hold->biblionumber );
1129         ChargeReserveFee( $hold->borrowernumber, $reserve_fee, $hold->biblio->title );
1130     }
1131
1132     # now fix the priority on the others (if the priority wasn't
1133     # already sorted!)....
1134     unless ( $priority == 0 ) {
1135         _FixPriority( { reserve_id => $reserve_id, biblionumber => $hold->biblionumber } );
1136     }
1137 }
1138
1139 =head2 ModReserveStatus
1140
1141   &ModReserveStatus($itemnumber, $newstatus);
1142
1143 Update the reserve status for the active (priority=0) reserve.
1144
1145 $itemnumber is the itemnumber the reserve is on
1146
1147 $newstatus is the new status.
1148
1149 =cut
1150
1151 sub ModReserveStatus {
1152
1153     #first : check if we have a reservation for this item .
1154     my ($itemnumber, $newstatus) = @_;
1155     my $dbh = C4::Context->dbh;
1156
1157     my $query = "UPDATE reserves SET found = ?, waitingdate = NOW() WHERE itemnumber = ? AND found IS NULL AND priority = 0";
1158     my $sth_set = $dbh->prepare($query);
1159     $sth_set->execute( $newstatus, $itemnumber );
1160
1161     if ( C4::Context->preference("ReturnToShelvingCart") && $newstatus ) {
1162       CartToShelf( $itemnumber );
1163     }
1164 }
1165
1166 =head2 ModReserveAffect
1167
1168   &ModReserveAffect($itemnumber,$borrowernumber,$diffBranchSend,$reserve_id);
1169
1170 This function affect an item and a status for a given reserve, either fetched directly
1171 by record_id, or by borrowernumber and itemnumber or biblionumber. If only biblionumber
1172 is given, only first reserve returned is affected, which is ok for anything but
1173 multi-item holds.
1174
1175 if $transferToDo is not set, then the status is set to "Waiting" as well.
1176 otherwise, a transfer is on the way, and the end of the transfer will
1177 take care of the waiting status
1178
1179 =cut
1180
1181 sub ModReserveAffect {
1182     my ( $itemnumber, $borrowernumber, $transferToDo, $reserve_id ) = @_;
1183     my $dbh = C4::Context->dbh;
1184
1185     # we want to attach $itemnumber to $borrowernumber, find the biblionumber
1186     # attached to $itemnumber
1187     my $sth = $dbh->prepare("SELECT biblionumber FROM items WHERE itemnumber=?");
1188     $sth->execute($itemnumber);
1189     my ($biblionumber) = $sth->fetchrow;
1190
1191     # get request - need to find out if item is already
1192     # waiting in order to not send duplicate hold filled notifications
1193
1194     my $hold;
1195     # Find hold by id if we have it
1196     $hold = Koha::Holds->find( $reserve_id ) if $reserve_id;
1197     # Find item level hold for this item if there is one
1198     $hold ||= Koha::Holds->search( { borrowernumber => $borrowernumber, itemnumber => $itemnumber } )->next();
1199     # Find record level hold if there is no item level hold
1200     $hold ||= Koha::Holds->search( { borrowernumber => $borrowernumber, biblionumber => $biblionumber } )->next();
1201
1202     return unless $hold;
1203
1204     my $already_on_shelf = $hold->found && $hold->found eq 'W';
1205
1206     $hold->itemnumber($itemnumber);
1207     $hold->set_waiting($transferToDo);
1208
1209     _koha_notify_reserve( $hold->reserve_id )
1210       if ( !$transferToDo && !$already_on_shelf );
1211
1212     _FixPriority( { biblionumber => $biblionumber } );
1213
1214     if ( C4::Context->preference("ReturnToShelvingCart") ) {
1215         CartToShelf($itemnumber);
1216     }
1217
1218     return;
1219 }
1220
1221 =head2 ModReserveCancelAll
1222
1223   ($messages,$nextreservinfo) = &ModReserveCancelAll($itemnumber,$borrowernumber);
1224
1225 function to cancel reserv,check other reserves, and transfer document if it's necessary
1226
1227 =cut
1228
1229 sub ModReserveCancelAll {
1230     my $messages;
1231     my $nextreservinfo;
1232     my ( $itemnumber, $borrowernumber ) = @_;
1233
1234     #step 1 : cancel the reservation
1235     my $CancelReserve = CancelReserve({ itemnumber => $itemnumber, borrowernumber => $borrowernumber });
1236
1237     #step 2 launch the subroutine of the others reserves
1238     ( $messages, $nextreservinfo ) = GetOtherReserves($itemnumber);
1239
1240     return ( $messages, $nextreservinfo );
1241 }
1242
1243 =head2 ModReserveMinusPriority
1244
1245   &ModReserveMinusPriority($itemnumber,$borrowernumber,$biblionumber)
1246
1247 Reduce the values of queued list
1248
1249 =cut
1250
1251 sub ModReserveMinusPriority {
1252     my ( $itemnumber, $reserve_id ) = @_;
1253
1254     #first step update the value of the first person on reserv
1255     my $dbh   = C4::Context->dbh;
1256     my $query = "
1257         UPDATE reserves
1258         SET    priority = 0 , itemnumber = ?
1259         WHERE  reserve_id = ?
1260     ";
1261     my $sth_upd = $dbh->prepare($query);
1262     $sth_upd->execute( $itemnumber, $reserve_id );
1263     # second step update all others reserves
1264     _FixPriority({ reserve_id => $reserve_id, rank => '0' });
1265 }
1266
1267 =head2 GetReserveInfo
1268
1269   &GetReserveInfo($reserve_id);
1270
1271 Get item and borrower details for a current hold.
1272 Current implementation this query should have a single result.
1273
1274 =cut
1275
1276 sub GetReserveInfo {
1277     my ( $reserve_id ) = @_;
1278     my $dbh = C4::Context->dbh;
1279     my $strsth="SELECT
1280                    reserve_id,
1281                    reservedate,
1282                    reservenotes,
1283                    reserves.borrowernumber,
1284                    reserves.biblionumber,
1285                    reserves.branchcode,
1286                    reserves.waitingdate,
1287                    notificationdate,
1288                    reminderdate,
1289                    priority,
1290                    found,
1291                    firstname,
1292                    surname,
1293                    phone,
1294                    email,
1295                    address,
1296                    address2,
1297                    cardnumber,
1298                    city,
1299                    zipcode,
1300                    biblio.title,
1301                    biblio.author,
1302                    items.holdingbranch,
1303                    items.itemcallnumber,
1304                    items.itemnumber,
1305                    items.location,
1306                    barcode,
1307                    notes
1308                 FROM reserves
1309                 LEFT JOIN items USING(itemnumber)
1310                 LEFT JOIN borrowers USING(borrowernumber)
1311                 LEFT JOIN biblio ON  (reserves.biblionumber=biblio.biblionumber)
1312                 WHERE reserves.reserve_id = ?";
1313     my $sth = $dbh->prepare($strsth);
1314     $sth->execute($reserve_id);
1315
1316     my $data = $sth->fetchrow_hashref;
1317     return $data;
1318 }
1319
1320 =head2 IsAvailableForItemLevelRequest
1321
1322   my $is_available = IsAvailableForItemLevelRequest($item_record,$borrower_record);
1323
1324 Checks whether a given item record is available for an
1325 item-level hold request.  An item is available if
1326
1327 * it is not lost AND
1328 * it is not damaged AND
1329 * it is not withdrawn AND
1330 * does not have a not for loan value > 0
1331
1332 Need to check the issuingrules onshelfholds column,
1333 if this is set items on the shelf can be placed on hold
1334
1335 Note that IsAvailableForItemLevelRequest() does not
1336 check if the staff operator is authorized to place
1337 a request on the item - in particular,
1338 this routine does not check IndependentBranches
1339 and canreservefromotherbranches.
1340
1341 =cut
1342
1343 sub IsAvailableForItemLevelRequest {
1344     my $item = shift;
1345     my $borrower = shift;
1346
1347     my $dbh = C4::Context->dbh;
1348     # must check the notforloan setting of the itemtype
1349     # FIXME - a lot of places in the code do this
1350     #         or something similar - need to be
1351     #         consolidated
1352     my $itype = _get_itype($item);
1353     my $notforloan_per_itemtype
1354       = $dbh->selectrow_array("SELECT notforloan FROM itemtypes WHERE itemtype = ?",
1355                               undef, $itype);
1356
1357     return 0 if
1358         $notforloan_per_itemtype ||
1359         $item->{itemlost}        ||
1360         $item->{notforloan} > 0  ||
1361         $item->{withdrawn}        ||
1362         ($item->{damaged} && !C4::Context->preference('AllowHoldsOnDamagedItems'));
1363
1364     my $on_shelf_holds = _OnShelfHoldsAllowed($itype,$borrower->{categorycode},$item->{holdingbranch});
1365
1366     if ( $on_shelf_holds == 1 ) {
1367         return 1;
1368     } elsif ( $on_shelf_holds == 2 ) {
1369         my @items =
1370           Koha::Items->search( { biblionumber => $item->{biblionumber} } );
1371
1372         my $any_available = 0;
1373
1374         foreach my $i (@items) {
1375             $any_available = 1
1376               unless $i->itemlost
1377               || $i->notforloan > 0
1378               || $i->withdrawn
1379               || $i->onloan
1380               || IsItemOnHoldAndFound( $i->id )
1381               || ( $i->damaged
1382                 && !C4::Context->preference('AllowHoldsOnDamagedItems') )
1383               || Koha::ItemTypes->find( $i->effective_itemtype() )->notforloan;
1384         }
1385
1386         return $any_available ? 0 : 1;
1387     }
1388
1389     return $item->{onloan} || GetReserveStatus($item->{itemnumber}) eq "Waiting";
1390 }
1391
1392 =head2 OnShelfHoldsAllowed
1393
1394   OnShelfHoldsAllowed($itemtype,$borrowercategory,$branchcode);
1395
1396 Checks issuingrules, using the borrowers categorycode, the itemtype, and branchcode to see if onshelf
1397 holds are allowed, returns true if so.
1398
1399 =cut
1400
1401 sub OnShelfHoldsAllowed {
1402     my ($item, $borrower) = @_;
1403
1404     my $itype = _get_itype($item);
1405     return _OnShelfHoldsAllowed($itype,$borrower->{categorycode},$item->{holdingbranch});
1406 }
1407
1408 sub _get_itype {
1409     my $item = shift;
1410
1411     my $itype;
1412     if (C4::Context->preference('item-level_itypes')) {
1413         # We can't trust GetItem to honour the syspref, so safest to do it ourselves
1414         # When GetItem is fixed, we can remove this
1415         $itype = $item->{itype};
1416     }
1417     else {
1418         # XXX This is a bit dodgy. It relies on biblio itemtype column having different name.
1419         # So if we already have a biblioitems join when calling this function,
1420         # we don't need to access the database again
1421         $itype = $item->{itemtype};
1422     }
1423     unless ($itype) {
1424         my $dbh = C4::Context->dbh;
1425         my $query = "SELECT itemtype FROM biblioitems WHERE biblioitemnumber = ? ";
1426         my $sth = $dbh->prepare($query);
1427         $sth->execute($item->{biblioitemnumber});
1428         if (my $data = $sth->fetchrow_hashref()){
1429             $itype = $data->{itemtype};
1430         }
1431     }
1432     return $itype;
1433 }
1434
1435 sub _OnShelfHoldsAllowed {
1436     my ($itype,$borrowercategory,$branchcode) = @_;
1437
1438     my $issuing_rule = Koha::IssuingRules->get_effective_issuing_rule({ categorycode => $borrowercategory, itemtype => $itype, branchcode => $branchcode });
1439     return $issuing_rule ? $issuing_rule->onshelfholds : undef;
1440 }
1441
1442 =head2 AlterPriority
1443
1444   AlterPriority( $where, $reserve_id );
1445
1446 This function changes a reserve's priority up, down, to the top, or to the bottom.
1447 Input: $where is 'up', 'down', 'top' or 'bottom'. Biblionumber, Date reserve was placed
1448
1449 =cut
1450
1451 sub AlterPriority {
1452     my ( $where, $reserve_id ) = @_;
1453
1454     my $reserve = GetReserve( $reserve_id );
1455
1456     if ( $reserve->{cancellationdate} ) {
1457         warn "I cannot alter the priority for reserve_id $reserve_id, the reserve has been cancelled (".$reserve->{cancellationdate}.')';
1458         return;
1459     }
1460
1461     if ( $where eq 'up' || $where eq 'down' ) {
1462
1463       my $priority = $reserve->{'priority'};
1464       $priority = $where eq 'up' ? $priority - 1 : $priority + 1;
1465       _FixPriority({ reserve_id => $reserve_id, rank => $priority })
1466
1467     } elsif ( $where eq 'top' ) {
1468
1469       _FixPriority({ reserve_id => $reserve_id, rank => '1' })
1470
1471     } elsif ( $where eq 'bottom' ) {
1472
1473       _FixPriority({ reserve_id => $reserve_id, rank => '999999' });
1474
1475     }
1476 }
1477
1478 =head2 ToggleLowestPriority
1479
1480   ToggleLowestPriority( $borrowernumber, $biblionumber );
1481
1482 This function sets the lowestPriority field to true if is false, and false if it is true.
1483
1484 =cut
1485
1486 sub ToggleLowestPriority {
1487     my ( $reserve_id ) = @_;
1488
1489     my $dbh = C4::Context->dbh;
1490
1491     my $sth = $dbh->prepare( "UPDATE reserves SET lowestPriority = NOT lowestPriority WHERE reserve_id = ?");
1492     $sth->execute( $reserve_id );
1493
1494     _FixPriority({ reserve_id => $reserve_id, rank => '999999' });
1495 }
1496
1497 =head2 ToggleSuspend
1498
1499   ToggleSuspend( $reserve_id );
1500
1501 This function sets the suspend field to true if is false, and false if it is true.
1502 If the reserve is currently suspended with a suspend_until date, that date will
1503 be cleared when it is unsuspended.
1504
1505 =cut
1506
1507 sub ToggleSuspend {
1508     my ( $reserve_id, $suspend_until ) = @_;
1509
1510     $suspend_until = dt_from_string($suspend_until) if ($suspend_until);
1511
1512     my $hold = Koha::Holds->find( $reserve_id );
1513
1514     if ( $hold->is_suspended ) {
1515         $hold->resume()
1516     } else {
1517         $hold->suspend_hold( $suspend_until );
1518     }
1519 }
1520
1521 =head2 SuspendAll
1522
1523   SuspendAll(
1524       borrowernumber   => $borrowernumber,
1525       [ biblionumber   => $biblionumber, ]
1526       [ suspend_until  => $suspend_until, ]
1527       [ suspend        => $suspend ]
1528   );
1529
1530   This function accepts a set of hash keys as its parameters.
1531   It requires either borrowernumber or biblionumber, or both.
1532
1533   suspend_until is wholly optional.
1534
1535 =cut
1536
1537 sub SuspendAll {
1538     my %params = @_;
1539
1540     my $borrowernumber = $params{'borrowernumber'} || undef;
1541     my $biblionumber   = $params{'biblionumber'}   || undef;
1542     my $suspend_until  = $params{'suspend_until'}  || undef;
1543     my $suspend = defined( $params{'suspend'} ) ? $params{'suspend'} : 1;
1544
1545     $suspend_until = eval { dt_from_string($suspend_until) }
1546       if ( defined($suspend_until) );
1547
1548     return unless ( $borrowernumber || $biblionumber );
1549
1550     my $params;
1551     $params->{found}          = undef;
1552     $params->{borrowernumber} = $borrowernumber if $borrowernumber;
1553     $params->{biblionumber}   = $biblionumber if $biblionumber;
1554
1555     my @holds = Koha::Holds->search($params);
1556
1557     if ($suspend) {
1558         map { $_->suspend_hold($suspend_until) } @holds;
1559     }
1560     else {
1561         map { $_->resume() } @holds;
1562     }
1563 }
1564
1565
1566 =head2 _FixPriority
1567
1568   _FixPriority({
1569     reserve_id => $reserve_id,
1570     [rank => $rank,]
1571     [ignoreSetLowestRank => $ignoreSetLowestRank]
1572   });
1573
1574   or
1575
1576   _FixPriority({ biblionumber => $biblionumber});
1577
1578 This routine adjusts the priority of a hold request and holds
1579 on the same bib.
1580
1581 In the first form, where a reserve_id is passed, the priority of the
1582 hold is set to supplied rank, and other holds for that bib are adjusted
1583 accordingly.  If the rank is "del", the hold is cancelled.  If no rank
1584 is supplied, all of the holds on that bib have their priority adjusted
1585 as if the second form had been used.
1586
1587 In the second form, where a biblionumber is passed, the holds on that
1588 bib (that are not captured) are sorted in order of increasing priority,
1589 then have reserves.priority set so that the first non-captured hold
1590 has its priority set to 1, the second non-captured hold has its priority
1591 set to 2, and so forth.
1592
1593 In both cases, holds that have the lowestPriority flag on are have their
1594 priority adjusted to ensure that they remain at the end of the line.
1595
1596 Note that the ignoreSetLowestRank parameter is meant to be used only
1597 when _FixPriority calls itself.
1598
1599 =cut
1600
1601 sub _FixPriority {
1602     my ( $params ) = @_;
1603     my $reserve_id = $params->{reserve_id};
1604     my $rank = $params->{rank} // '';
1605     my $ignoreSetLowestRank = $params->{ignoreSetLowestRank};
1606     my $biblionumber = $params->{biblionumber};
1607
1608     my $dbh = C4::Context->dbh;
1609
1610     unless ( $biblionumber ) {
1611         my $res = GetReserve( $reserve_id );
1612         $biblionumber = $res->{biblionumber};
1613     }
1614
1615     if ( $rank eq "del" ) {
1616          CancelReserve({ reserve_id => $reserve_id });
1617     }
1618     elsif ( $rank eq "W" || $rank eq "0" ) {
1619
1620         # make sure priority for waiting or in-transit items is 0
1621         my $query = "
1622             UPDATE reserves
1623             SET    priority = 0
1624             WHERE reserve_id = ?
1625             AND found IN ('W', 'T')
1626         ";
1627         my $sth = $dbh->prepare($query);
1628         $sth->execute( $reserve_id );
1629     }
1630     my @priority;
1631
1632     # get whats left
1633     my $query = "
1634         SELECT reserve_id, borrowernumber, reservedate
1635         FROM   reserves
1636         WHERE  biblionumber   = ?
1637           AND  ((found <> 'W' AND found <> 'T') OR found IS NULL)
1638         ORDER BY priority ASC
1639     ";
1640     my $sth = $dbh->prepare($query);
1641     $sth->execute( $biblionumber );
1642     while ( my $line = $sth->fetchrow_hashref ) {
1643         push( @priority,     $line );
1644     }
1645
1646     # To find the matching index
1647     my $i;
1648     my $key = -1;    # to allow for 0 to be a valid result
1649     for ( $i = 0 ; $i < @priority ; $i++ ) {
1650         if ( $reserve_id == $priority[$i]->{'reserve_id'} ) {
1651             $key = $i;    # save the index
1652             last;
1653         }
1654     }
1655
1656     # if index exists in array then move it to new position
1657     if ( $key > -1 && $rank ne 'del' && $rank > 0 ) {
1658         my $new_rank = $rank -
1659           1;    # $new_rank is what you want the new index to be in the array
1660         my $moving_item = splice( @priority, $key, 1 );
1661         splice( @priority, $new_rank, 0, $moving_item );
1662     }
1663
1664     # now fix the priority on those that are left....
1665     $query = "
1666         UPDATE reserves
1667         SET    priority = ?
1668         WHERE  reserve_id = ?
1669     ";
1670     $sth = $dbh->prepare($query);
1671     for ( my $j = 0 ; $j < @priority ; $j++ ) {
1672         $sth->execute(
1673             $j + 1,
1674             $priority[$j]->{'reserve_id'}
1675         );
1676     }
1677
1678     $sth = $dbh->prepare( "SELECT reserve_id FROM reserves WHERE lowestPriority = 1 ORDER BY priority" );
1679     $sth->execute();
1680
1681     unless ( $ignoreSetLowestRank ) {
1682       while ( my $res = $sth->fetchrow_hashref() ) {
1683         _FixPriority({
1684             reserve_id => $res->{'reserve_id'},
1685             rank => '999999',
1686             ignoreSetLowestRank => 1
1687         });
1688       }
1689     }
1690 }
1691
1692 =head2 _Findgroupreserve
1693
1694   @results = &_Findgroupreserve($biblioitemnumber, $biblionumber, $itemnumber, $lookahead, $ignore_borrowers);
1695
1696 Looks for a holds-queue based item-specific match first, then for a holds-queue title-level match, returning the
1697 first match found.  If neither, then we look for non-holds-queue based holds.
1698 Lookahead is the number of days to look in advance.
1699
1700 C<&_Findgroupreserve> returns :
1701 C<@results> is an array of references-to-hash whose keys are mostly
1702 fields from the reserves table of the Koha database, plus
1703 C<biblioitemnumber>.
1704
1705 =cut
1706
1707 sub _Findgroupreserve {
1708     my ( $bibitem, $biblio, $itemnumber, $lookahead, $ignore_borrowers) = @_;
1709     my $dbh   = C4::Context->dbh;
1710
1711     # TODO: consolidate at least the SELECT portion of the first 2 queries to a common $select var.
1712     # check for exact targeted match
1713     my $item_level_target_query = qq{
1714         SELECT reserves.biblionumber        AS biblionumber,
1715                reserves.borrowernumber      AS borrowernumber,
1716                reserves.reservedate         AS reservedate,
1717                reserves.branchcode          AS branchcode,
1718                reserves.cancellationdate    AS cancellationdate,
1719                reserves.found               AS found,
1720                reserves.reservenotes        AS reservenotes,
1721                reserves.priority            AS priority,
1722                reserves.timestamp           AS timestamp,
1723                biblioitems.biblioitemnumber AS biblioitemnumber,
1724                reserves.itemnumber          AS itemnumber,
1725                reserves.reserve_id          AS reserve_id,
1726                reserves.itemtype            AS itemtype
1727         FROM reserves
1728         JOIN biblioitems USING (biblionumber)
1729         JOIN hold_fill_targets USING (biblionumber, borrowernumber, itemnumber)
1730         WHERE found IS NULL
1731         AND priority > 0
1732         AND item_level_request = 1
1733         AND itemnumber = ?
1734         AND reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1735         AND suspend = 0
1736         ORDER BY priority
1737     };
1738     my $sth = $dbh->prepare($item_level_target_query);
1739     $sth->execute($itemnumber, $lookahead||0);
1740     my @results;
1741     if ( my $data = $sth->fetchrow_hashref ) {
1742         push( @results, $data )
1743           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1744     }
1745     return @results if @results;
1746
1747     # check for title-level targeted match
1748     my $title_level_target_query = qq{
1749         SELECT reserves.biblionumber        AS biblionumber,
1750                reserves.borrowernumber      AS borrowernumber,
1751                reserves.reservedate         AS reservedate,
1752                reserves.branchcode          AS branchcode,
1753                reserves.cancellationdate    AS cancellationdate,
1754                reserves.found               AS found,
1755                reserves.reservenotes        AS reservenotes,
1756                reserves.priority            AS priority,
1757                reserves.timestamp           AS timestamp,
1758                biblioitems.biblioitemnumber AS biblioitemnumber,
1759                reserves.itemnumber          AS itemnumber,
1760                reserves.reserve_id          AS reserve_id,
1761                reserves.itemtype            AS itemtype
1762         FROM reserves
1763         JOIN biblioitems USING (biblionumber)
1764         JOIN hold_fill_targets USING (biblionumber, borrowernumber)
1765         WHERE found IS NULL
1766         AND priority > 0
1767         AND item_level_request = 0
1768         AND hold_fill_targets.itemnumber = ?
1769         AND reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1770         AND suspend = 0
1771         ORDER BY priority
1772     };
1773     $sth = $dbh->prepare($title_level_target_query);
1774     $sth->execute($itemnumber, $lookahead||0);
1775     @results = ();
1776     if ( my $data = $sth->fetchrow_hashref ) {
1777         push( @results, $data )
1778           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1779     }
1780     return @results if @results;
1781
1782     my $query = qq{
1783         SELECT reserves.biblionumber               AS biblionumber,
1784                reserves.borrowernumber             AS borrowernumber,
1785                reserves.reservedate                AS reservedate,
1786                reserves.waitingdate                AS waitingdate,
1787                reserves.branchcode                 AS branchcode,
1788                reserves.cancellationdate           AS cancellationdate,
1789                reserves.found                      AS found,
1790                reserves.reservenotes               AS reservenotes,
1791                reserves.priority                   AS priority,
1792                reserves.timestamp                  AS timestamp,
1793                reserves.itemnumber                 AS itemnumber,
1794                reserves.reserve_id                 AS reserve_id,
1795                reserves.itemtype                   AS itemtype
1796         FROM reserves
1797         WHERE reserves.biblionumber = ?
1798           AND (reserves.itemnumber IS NULL OR reserves.itemnumber = ?)
1799           AND reserves.reservedate <= DATE_ADD(NOW(),INTERVAL ? DAY)
1800           AND suspend = 0
1801           ORDER BY priority
1802     };
1803     $sth = $dbh->prepare($query);
1804     $sth->execute( $biblio, $itemnumber, $lookahead||0);
1805     @results = ();
1806     while ( my $data = $sth->fetchrow_hashref ) {
1807         push( @results, $data )
1808           unless any{ $data->{borrowernumber} eq $_ } @$ignore_borrowers ;
1809     }
1810     return @results;
1811 }
1812
1813 =head2 _koha_notify_reserve
1814
1815   _koha_notify_reserve( $hold->reserve_id );
1816
1817 Sends a notification to the patron that their hold has been filled (through
1818 ModReserveAffect, _not_ ModReserveFill)
1819
1820 The letter code for this notice may be found using the following query:
1821
1822     select distinct letter_code
1823     from message_transports
1824     inner join message_attributes using (message_attribute_id)
1825     where message_name = 'Hold_Filled'
1826
1827 This will probably sipmly be 'HOLD', but because it is defined in the database,
1828 it is subject to addition or change.
1829
1830 The following tables are availalbe witin the notice:
1831
1832     branches
1833     borrowers
1834     biblio
1835     biblioitems
1836     reserves
1837     items
1838
1839 =cut
1840
1841 sub _koha_notify_reserve {
1842     my $reserve_id = shift;
1843     my $hold = Koha::Holds->find($reserve_id);
1844     my $borrowernumber = $hold->borrowernumber;
1845
1846     my $borrower = C4::Members::GetMember(borrowernumber => $borrowernumber);
1847
1848     # Try to get the borrower's email address
1849     my $to_address = C4::Members::GetNoticeEmailAddress($borrowernumber);
1850
1851     my $messagingprefs = C4::Members::Messaging::GetMessagingPreferences( {
1852             borrowernumber => $borrowernumber,
1853             message_name => 'Hold_Filled'
1854     } );
1855
1856     my $library = Koha::Libraries->find( $hold->branchcode )->unblessed;
1857
1858     my $admin_email_address = $library->{branchemail} || C4::Context->preference('KohaAdminEmailAddress');
1859
1860     my %letter_params = (
1861         module => 'reserves',
1862         branchcode => $hold->branchcode,
1863         lang => $borrower->{lang},
1864         tables => {
1865             'branches'       => $library,
1866             'borrowers'      => $borrower,
1867             'biblio'         => $hold->biblionumber,
1868             'biblioitems'    => $hold->biblionumber,
1869             'reserves'       => $hold->unblessed,
1870             'items'          => $hold->itemnumber,
1871         },
1872         substitute => { today => output_pref( { dt => dt_from_string, dateonly => 1 } ) },
1873     );
1874
1875     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.
1876     my $send_notification = sub {
1877         my ( $mtt, $letter_code ) = (@_);
1878         return unless defined $letter_code;
1879         $letter_params{letter_code} = $letter_code;
1880         $letter_params{message_transport_type} = $mtt;
1881         my $letter =  C4::Letters::GetPreparedLetter ( %letter_params );
1882         unless ($letter) {
1883             warn "Could not find a letter called '$letter_params{'letter_code'}' for $mtt in the 'reserves' module";
1884             return;
1885         }
1886
1887         C4::Letters::EnqueueLetter( {
1888             letter => $letter,
1889             borrowernumber => $borrowernumber,
1890             from_address => $admin_email_address,
1891             message_transport_type => $mtt,
1892         } );
1893     };
1894
1895     while ( my ( $mtt, $letter_code ) = each %{ $messagingprefs->{transports} } ) {
1896         next if (
1897                ( $mtt eq 'email' and not $to_address ) # No email address
1898             or ( $mtt eq 'sms'   and not $borrower->{smsalertnumber} ) # No SMS number
1899             or ( $mtt eq 'phone' and C4::Context->preference('TalkingTechItivaPhoneNotification') ) # Notice is handled by TalkingTech_itiva_outbound.pl
1900         );
1901
1902         &$send_notification($mtt, $letter_code);
1903         $notification_sent++;
1904     }
1905     #Making sure that a print notification is sent if no other transport types can be utilized.
1906     if (! $notification_sent) {
1907         &$send_notification('print', 'HOLD');
1908     }
1909
1910 }
1911
1912 =head2 _ShiftPriorityByDateAndPriority
1913
1914   $new_priority = _ShiftPriorityByDateAndPriority( $biblionumber, $reservedate, $priority );
1915
1916 This increments the priority of all reserves after the one
1917 with either the lowest date after C<$reservedate>
1918 or the lowest priority after C<$priority>.
1919
1920 It effectively makes room for a new reserve to be inserted with a certain
1921 priority, which is returned.
1922
1923 This is most useful when the reservedate can be set by the user.  It allows
1924 the new reserve to be placed before other reserves that have a later
1925 reservedate.  Since priority also is set by the form in reserves/request.pl
1926 the sub accounts for that too.
1927
1928 =cut
1929
1930 sub _ShiftPriorityByDateAndPriority {
1931     my ( $biblio, $resdate, $new_priority ) = @_;
1932
1933     my $dbh = C4::Context->dbh;
1934     my $query = "SELECT priority FROM reserves WHERE biblionumber = ? AND ( reservedate > ? OR priority > ? ) ORDER BY priority ASC LIMIT 1";
1935     my $sth = $dbh->prepare( $query );
1936     $sth->execute( $biblio, $resdate, $new_priority );
1937     my $min_priority = $sth->fetchrow;
1938     # if no such matches are found, $new_priority remains as original value
1939     $new_priority = $min_priority if ( $min_priority );
1940
1941     # Shift the priority up by one; works in conjunction with the next SQL statement
1942     $query = "UPDATE reserves
1943               SET priority = priority+1
1944               WHERE biblionumber = ?
1945               AND borrowernumber = ?
1946               AND reservedate = ?
1947               AND found IS NULL";
1948     my $sth_update = $dbh->prepare( $query );
1949
1950     # Select all reserves for the biblio with priority greater than $new_priority, and order greatest to least
1951     $query = "SELECT borrowernumber, reservedate FROM reserves WHERE priority >= ? AND biblionumber = ? ORDER BY priority DESC";
1952     $sth = $dbh->prepare( $query );
1953     $sth->execute( $new_priority, $biblio );
1954     while ( my $row = $sth->fetchrow_hashref ) {
1955         $sth_update->execute( $biblio, $row->{borrowernumber}, $row->{reservedate} );
1956     }
1957
1958     return $new_priority;  # so the caller knows what priority they wind up receiving
1959 }
1960
1961 =head2 OPACItemHoldsAllowed
1962
1963   OPACItemHoldsAllowed($item_record,$borrower_record);
1964
1965 Checks issuingrules, using the borrowers categorycode, the itemtype, and branchcode to see
1966 if specific item holds are allowed, returns true if so.
1967
1968 =cut
1969
1970 sub OPACItemHoldsAllowed {
1971     my ($item,$borrower) = @_;
1972
1973     my $branchcode = $item->{homebranch} or die "No homebranch";
1974     my $itype;
1975     my $dbh = C4::Context->dbh;
1976     if (C4::Context->preference('item-level_itypes')) {
1977        # We can't trust GetItem to honour the syspref, so safest to do it ourselves
1978        # When GetItem is fixed, we can remove this
1979        $itype = $item->{itype};
1980     }
1981     else {
1982        my $query = "SELECT itemtype FROM biblioitems WHERE biblioitemnumber = ? ";
1983        my $sth = $dbh->prepare($query);
1984        $sth->execute($item->{biblioitemnumber});
1985        if (my $data = $sth->fetchrow_hashref()){
1986            $itype = $data->{itemtype};
1987        }
1988     }
1989
1990     my $query = "SELECT opacitemholds,categorycode,itemtype,branchcode FROM issuingrules WHERE
1991           (issuingrules.categorycode = ? OR issuingrules.categorycode = '*')
1992         AND
1993           (issuingrules.itemtype = ? OR issuingrules.itemtype = '*')
1994         AND
1995           (issuingrules.branchcode = ? OR issuingrules.branchcode = '*')
1996         ORDER BY
1997           issuingrules.categorycode desc,
1998           issuingrules.itemtype desc,
1999           issuingrules.branchcode desc
2000        LIMIT 1";
2001     my $sth = $dbh->prepare($query);
2002     $sth->execute($borrower->{categorycode},$itype,$branchcode);
2003     my $data = $sth->fetchrow_hashref;
2004     my $opacitemholds = uc substr ($data->{opacitemholds}, 0, 1);
2005     return '' if $opacitemholds eq 'N';
2006     return $opacitemholds;
2007 }
2008
2009 =head2 MoveReserve
2010
2011   MoveReserve( $itemnumber, $borrowernumber, $cancelreserve )
2012
2013 Use when checking out an item to handle reserves
2014 If $cancelreserve boolean is set to true, it will remove existing reserve
2015
2016 =cut
2017
2018 sub MoveReserve {
2019     my ( $itemnumber, $borrowernumber, $cancelreserve ) = @_;
2020
2021     my $lookahead = C4::Context->preference('ConfirmFutureHolds'); #number of days to look for future holds
2022     my ( $restype, $res, $all_reserves ) = CheckReserves( $itemnumber, undef, $lookahead );
2023     return unless $res;
2024
2025     my $biblionumber     =  $res->{biblionumber};
2026
2027     if ($res->{borrowernumber} == $borrowernumber) {
2028         ModReserveFill($res);
2029     }
2030     else {
2031         # warn "Reserved";
2032         # The item is reserved by someone else.
2033         # Find this item in the reserves
2034
2035         my $borr_res;
2036         foreach (@$all_reserves) {
2037             $_->{'borrowernumber'} == $borrowernumber or next;
2038             $_->{'biblionumber'}   == $biblionumber   or next;
2039
2040             $borr_res = $_;
2041             last;
2042         }
2043
2044         if ( $borr_res ) {
2045             # The item is reserved by the current patron
2046             ModReserveFill($borr_res);
2047         }
2048
2049         if ( $cancelreserve eq 'revert' ) { ## Revert waiting reserve to priority 1
2050             RevertWaitingStatus({ itemnumber => $itemnumber });
2051         }
2052         elsif ( $cancelreserve eq 'cancel' || $cancelreserve ) { # cancel reserves on this item
2053             CancelReserve( { reserve_id => $res->{'reserve_id'} } );
2054         }
2055     }
2056 }
2057
2058 =head2 MergeHolds
2059
2060   MergeHolds($dbh,$to_biblio, $from_biblio);
2061
2062 This shifts the holds from C<$from_biblio> to C<$to_biblio> and reorders them by the date they were placed
2063
2064 =cut
2065
2066 sub MergeHolds {
2067     my ( $dbh, $to_biblio, $from_biblio ) = @_;
2068     my $sth = $dbh->prepare(
2069         "SELECT count(*) as reserve_count FROM reserves WHERE biblionumber = ?"
2070     );
2071     $sth->execute($from_biblio);
2072     if ( my $data = $sth->fetchrow_hashref() ) {
2073
2074         # holds exist on old record, if not we don't need to do anything
2075         $sth = $dbh->prepare(
2076             "UPDATE reserves SET biblionumber = ? WHERE biblionumber = ?");
2077         $sth->execute( $to_biblio, $from_biblio );
2078
2079         # Reorder by date
2080         # don't reorder those already waiting
2081
2082         $sth = $dbh->prepare(
2083 "SELECT * FROM reserves WHERE biblionumber = ? AND (found <> ? AND found <> ? OR found is NULL) ORDER BY reservedate ASC"
2084         );
2085         my $upd_sth = $dbh->prepare(
2086 "UPDATE reserves SET priority = ? WHERE biblionumber = ? AND borrowernumber = ?
2087         AND reservedate = ? AND (itemnumber = ? or itemnumber is NULL) "
2088         );
2089         $sth->execute( $to_biblio, 'W', 'T' );
2090         my $priority = 1;
2091         while ( my $reserve = $sth->fetchrow_hashref() ) {
2092             $upd_sth->execute(
2093                 $priority,                    $to_biblio,
2094                 $reserve->{'borrowernumber'}, $reserve->{'reservedate'},
2095                 $reserve->{'itemnumber'}
2096             );
2097             $priority++;
2098         }
2099     }
2100 }
2101
2102 =head2 RevertWaitingStatus
2103
2104   RevertWaitingStatus({ itemnumber => $itemnumber });
2105
2106   Reverts a 'waiting' hold back to a regular hold with a priority of 1.
2107
2108   Caveat: Any waiting hold fixed with RevertWaitingStatus will be an
2109           item level hold, even if it was only a bibliolevel hold to
2110           begin with. This is because we can no longer know if a hold
2111           was item-level or bib-level after a hold has been set to
2112           waiting status.
2113
2114 =cut
2115
2116 sub RevertWaitingStatus {
2117     my ( $params ) = @_;
2118     my $itemnumber = $params->{'itemnumber'};
2119
2120     return unless ( $itemnumber );
2121
2122     my $dbh = C4::Context->dbh;
2123
2124     ## Get the waiting reserve we want to revert
2125     my $query = "
2126         SELECT * FROM reserves
2127         WHERE itemnumber = ?
2128         AND found IS NOT NULL
2129     ";
2130     my $sth = $dbh->prepare( $query );
2131     $sth->execute( $itemnumber );
2132     my $reserve = $sth->fetchrow_hashref();
2133
2134     ## Increment the priority of all other non-waiting
2135     ## reserves for this bib record
2136     $query = "
2137         UPDATE reserves
2138         SET
2139           priority = priority + 1
2140         WHERE
2141           biblionumber =  ?
2142         AND
2143           priority > 0
2144     ";
2145     $sth = $dbh->prepare( $query );
2146     $sth->execute( $reserve->{'biblionumber'} );
2147
2148     ## Fix up the currently waiting reserve
2149     $query = "
2150     UPDATE reserves
2151     SET
2152       priority = 1,
2153       found = NULL,
2154       waitingdate = NULL
2155     WHERE
2156       reserve_id = ?
2157     ";
2158     $sth = $dbh->prepare( $query );
2159     $sth->execute( $reserve->{'reserve_id'} );
2160     _FixPriority( { biblionumber => $reserve->{biblionumber} } );
2161 }
2162
2163 =head2 GetReserveId
2164
2165   $reserve_id = GetReserveId({ biblionumber => $biblionumber, borrowernumber => $borrowernumber [, itemnumber => $itemnumber ] });
2166
2167   Returnes the first reserve id that matches the given criteria
2168
2169 =cut
2170
2171 sub GetReserveId {
2172     my ( $params ) = @_;
2173
2174     return unless ( ( $params->{'biblionumber'} || $params->{'itemnumber'} ) && $params->{'borrowernumber'} );
2175
2176     foreach my $key ( keys %$params ) {
2177         delete $params->{$key} unless defined( $params->{$key} );
2178     }
2179
2180     my $hold = Koha::Holds->search( $params )->next();
2181
2182     return unless $hold;
2183
2184     return $hold->id();
2185 }
2186
2187 =head2 ReserveSlip
2188
2189   ReserveSlip($branchcode, $borrowernumber, $biblionumber)
2190
2191 Returns letter hash ( see C4::Letters::GetPreparedLetter ) or undef
2192
2193 The letter code will be HOLD_SLIP, and the following tables are
2194 available within the slip:
2195
2196     reserves
2197     branches
2198     borrowers
2199     biblio
2200     biblioitems
2201     items
2202
2203 =cut
2204
2205 sub ReserveSlip {
2206     my ($branch, $borrowernumber, $biblionumber) = @_;
2207
2208 #   return unless ( C4::Context->boolean_preference('printreserveslips') );
2209     my $patron = Koha::Patrons->find( $borrowernumber );
2210
2211     my $reserve_id = GetReserveId({
2212         biblionumber => $biblionumber,
2213         borrowernumber => $borrowernumber
2214     }) or return;
2215     my $reserve = GetReserveInfo($reserve_id) or return;
2216
2217     return  C4::Letters::GetPreparedLetter (
2218         module => 'circulation',
2219         letter_code => 'HOLD_SLIP',
2220         branchcode => $branch,
2221         lang => $patron->lang,
2222         tables => {
2223             'reserves'    => $reserve,
2224             'branches'    => $reserve->{branchcode},
2225             'borrowers'   => $reserve->{borrowernumber},
2226             'biblio'      => $reserve->{biblionumber},
2227             'biblioitems' => $reserve->{biblionumber},
2228             'items'       => $reserve->{itemnumber},
2229         },
2230     );
2231 }
2232
2233 =head2 GetReservesControlBranch
2234
2235   my $reserves_control_branch = GetReservesControlBranch($item, $borrower);
2236
2237   Return the branchcode to be used to determine which reserves
2238   policy applies to a transaction.
2239
2240   C<$item> is a hashref for an item. Only 'homebranch' is used.
2241
2242   C<$borrower> is a hashref to borrower. Only 'branchcode' is used.
2243
2244 =cut
2245
2246 sub GetReservesControlBranch {
2247     my ( $item, $borrower ) = @_;
2248
2249     my $reserves_control = C4::Context->preference('ReservesControlBranch');
2250
2251     my $branchcode =
2252         ( $reserves_control eq 'ItemHomeLibrary' ) ? $item->{'homebranch'}
2253       : ( $reserves_control eq 'PatronLibrary' )   ? $borrower->{'branchcode'}
2254       :                                              undef;
2255
2256     return $branchcode;
2257 }
2258
2259 =head2 CalculatePriority
2260
2261     my $p = CalculatePriority($biblionumber, $resdate);
2262
2263 Calculate priority for a new reserve on biblionumber, placing it at
2264 the end of the line of all holds whose start date falls before
2265 the current system time and that are neither on the hold shelf
2266 or in transit.
2267
2268 The reserve date parameter is optional; if it is supplied, the
2269 priority is based on the set of holds whose start date falls before
2270 the parameter value.
2271
2272 After calculation of this priority, it is recommended to call
2273 _ShiftPriorityByDateAndPriority. Note that this is currently done in
2274 AddReserves.
2275
2276 =cut
2277
2278 sub CalculatePriority {
2279     my ( $biblionumber, $resdate ) = @_;
2280
2281     my $sql = q{
2282         SELECT COUNT(*) FROM reserves
2283         WHERE biblionumber = ?
2284         AND   priority > 0
2285         AND   (found IS NULL OR found = '')
2286     };
2287     #skip found==W or found==T (waiting or transit holds)
2288     if( $resdate ) {
2289         $sql.= ' AND ( reservedate <= ? )';
2290     }
2291     else {
2292         $sql.= ' AND ( reservedate < NOW() )';
2293     }
2294     my $dbh = C4::Context->dbh();
2295     my @row = $dbh->selectrow_array(
2296         $sql,
2297         undef,
2298         $resdate ? ($biblionumber, $resdate) : ($biblionumber)
2299     );
2300
2301     return @row ? $row[0]+1 : 1;
2302 }
2303
2304 =head2 IsItemOnHoldAndFound
2305
2306     my $bool = IsItemFoundHold( $itemnumber );
2307
2308     Returns true if the item is currently on hold
2309     and that hold has a non-null found status ( W, T, etc. )
2310
2311 =cut
2312
2313 sub IsItemOnHoldAndFound {
2314     my ($itemnumber) = @_;
2315
2316     my $rs = Koha::Database->new()->schema()->resultset('Reserve');
2317
2318     my $found = $rs->count(
2319         {
2320             itemnumber => $itemnumber,
2321             found      => { '!=' => undef }
2322         }
2323     );
2324
2325     return $found;
2326 }
2327
2328 =head2 GetMaxPatronHoldsForRecord
2329
2330 my $holds_per_record = ReservesControlBranch( $borrowernumber, $biblionumber );
2331
2332 For multiple holds on a given record for a given patron, the max
2333 number of record level holds that a patron can be placed is the highest
2334 value of the holds_per_record rule for each item if the record for that
2335 patron. This subroutine finds and returns the highest holds_per_record
2336 rule value for a given patron id and record id.
2337
2338 =cut
2339
2340 sub GetMaxPatronHoldsForRecord {
2341     my ( $borrowernumber, $biblionumber ) = @_;
2342
2343     my $patron = Koha::Patrons->find($borrowernumber);
2344     my @items = Koha::Items->search( { biblionumber => $biblionumber } );
2345
2346     my $controlbranch = C4::Context->preference('ReservesControlBranch');
2347
2348     my $categorycode = $patron->categorycode;
2349     my $branchcode;
2350     $branchcode = $patron->branchcode if ( $controlbranch eq "PatronLibrary" );
2351
2352     my $max = 0;
2353     foreach my $item (@items) {
2354         my $itemtype = $item->effective_itemtype();
2355
2356         $branchcode = $item->homebranch if ( $controlbranch eq "ItemHomeLibrary" );
2357
2358         my $rule = GetHoldRule( $categorycode, $itemtype, $branchcode );
2359         my $holds_per_record = $rule ? $rule->{holds_per_record} : 0;
2360         $max = $holds_per_record if $holds_per_record > $max;
2361     }
2362
2363     return $max;
2364 }
2365
2366 =head2 GetHoldRule
2367
2368 my $rule = GetHoldRule( $categorycode, $itemtype, $branchcode );
2369
2370 Returns the matching hold related issuingrule fields for a given
2371 patron category, itemtype, and library.
2372
2373 =cut
2374
2375 sub GetHoldRule {
2376     my ( $categorycode, $itemtype, $branchcode ) = @_;
2377
2378     my $dbh = C4::Context->dbh;
2379
2380     my $sth = $dbh->prepare(
2381         q{
2382          SELECT categorycode, itemtype, branchcode, reservesallowed, holds_per_record
2383            FROM issuingrules
2384           WHERE (categorycode in (?,'*') )
2385             AND (itemtype IN (?,'*'))
2386             AND (branchcode IN (?,'*'))
2387        ORDER BY categorycode DESC,
2388                 itemtype     DESC,
2389                 branchcode   DESC
2390         }
2391     );
2392
2393     $sth->execute( $categorycode, $itemtype, $branchcode );
2394
2395     return $sth->fetchrow_hashref();
2396 }
2397
2398 =head1 AUTHOR
2399
2400 Koha Development Team <http://koha-community.org/>
2401
2402 =cut
2403
2404 1;