C4/HoldsQueue.pm

   1 package C4::HoldsQueue;
   2
   3 # Copyright 2011 Catalyst IT
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 # FIXME: expand perldoc, explain intended logic
  21
  22 use strict;
  23 use warnings;
  24
  25 use C4::Context;
  26 use C4::Search;
  27 use C4::Items;
  28 use C4::Circulation;
  29 use C4::Members;
  30 use C4::Biblio;
  31 use Koha::DateUtils;
  32
  33 use List::Util qw(shuffle);
  34 use List::MoreUtils qw(any);
  35 use Data::Dumper;
  36
  37 use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
  38 BEGIN {
  39     require Exporter;
  40     @ISA = qw(Exporter);
  41     @EXPORT_OK = qw(
  42         &CreateQueue
  43         &GetHoldsQueueItems
  44
  45         &TransportCostMatrix
  46         &UpdateTransportCostMatrix
  47      );
  48 }
  49
  50
  51 =head1 FUNCTIONS
  52
  53 =head2 TransportCostMatrix
  54
  55   TransportCostMatrix();
  56
  57 Returns Transport Cost Matrix as a hashref <to branch code> => <from branch code> => cost
  58
  59 =cut
  60
  61 sub TransportCostMatrix {
  62     my $dbh   = C4::Context->dbh;
  63     my $transport_costs = $dbh->selectall_arrayref("SELECT * FROM transport_cost",{ Slice => {} });
  64
  65     my $today = dt_from_string();
  66     my $calendars;
  67     my %transport_cost_matrix;
  68     foreach (@$transport_costs) {
  69         my $from     = $_->{frombranch};
  70         my $to       = $_->{tobranch};
  71         my $cost     = $_->{cost};
  72         my $disabled = $_->{disable_transfer};
  73         $transport_cost_matrix{$to}{$from} = {
  74             cost             => $cost,
  75             disable_transfer => $disabled
  76         };
  77
  78         if ( C4::Context->preference("HoldsQueueSkipClosed") ) {
  79             $calendars->{$from} ||= Koha::Calendar->new( branchcode => $from );
  80             $transport_cost_matrix{$to}{$from}{disable_transfer} ||=
  81               $calendars->{$from}->is_holiday( $today );
  82         }
  83
  84     }
  85     return \%transport_cost_matrix;
  86 }
  87
  88 =head2 UpdateTransportCostMatrix
  89
  90   UpdateTransportCostMatrix($records);
  91
  92 Updates full Transport Cost Matrix table. $records is an arrayref of records.
  93 Records: { frombranch => <code>, tobranch => <code>, cost => <figure>, disable_transfer => <0,1> }
  94
  95 =cut
  96
  97 sub UpdateTransportCostMatrix {
  98     my ($records) = @_;
  99     my $dbh   = C4::Context->dbh;
 100
 101     my $sth = $dbh->prepare("INSERT INTO transport_cost (frombranch, tobranch, cost, disable_transfer) VALUES (?, ?, ?, ?)");
 102
 103     $dbh->do("TRUNCATE TABLE transport_cost");
 104     foreach (@$records) {
 105         my $cost = $_->{cost};
 106         my $from = $_->{frombranch};
 107         my $to = $_->{tobranch};
 108         if ($_->{disable_transfer}) {
 109             $cost ||= 0;
 110         }
 111         elsif ( !defined ($cost) || ($cost !~ m/(0|[1-9][0-9]*)(\.[0-9]*)?/o) ) {
 112             warn  "Invalid $from -> $to cost $cost - must be a number >= 0, disablig";
 113             $cost = 0;
 114             $_->{disable_transfer} = 1;
 115         }
 116         $sth->execute( $from, $to, $cost, $_->{disable_transfer} ? 1 : 0 );
 117     }
 118 }
 119
 120 =head2 GetHoldsQueueItems
 121
 122   GetHoldsQueueItems($branch);
 123
 124 Returns hold queue for a holding branch. If branch is omitted, then whole queue is returned
 125
 126 =cut
 127
 128 sub GetHoldsQueueItems {
 129     my ($branchlimit) = @_;
 130     my $dbh   = C4::Context->dbh;
 131
 132     my @bind_params = ();
 133     my $query = q/SELECT tmp_holdsqueue.*, biblio.author, items.ccode, items.itype, biblioitems.itemtype, items.location, items.enumchron, items.cn_sort, biblioitems.publishercode,biblio.copyrightdate,biblioitems.publicationyear,biblioitems.pages,biblioitems.size,biblioitems.publicationyear,biblioitems.isbn,items.copynumber
 134                   FROM tmp_holdsqueue
 135                        JOIN biblio      USING (biblionumber)
 136                   LEFT JOIN biblioitems USING (biblionumber)
 137                   LEFT JOIN items       USING (  itemnumber)
 138                 /;
 139     if ($branchlimit) {
 140         $query .=" WHERE tmp_holdsqueue.holdingbranch = ?";
 141         push @bind_params, $branchlimit;
 142     }
 143     $query .= " ORDER BY ccode, location, cn_sort, author, title, pickbranch, reservedate";
 144     my $sth = $dbh->prepare($query);
 145     $sth->execute(@bind_params);
 146     my $items = [];
 147     while ( my $row = $sth->fetchrow_hashref ){
 148         my $record = GetMarcBiblio($row->{biblionumber});
 149         if ($record){
 150             $row->{subtitle} = [ map { $_->{subfield} } @{ GetRecordValue( 'subtitle', $record, '' ) } ];
 151             $row->{parts} = GetRecordValue('parts',$record,'')->[0]->{subfield};
 152             $row->{numbers} = GetRecordValue('numbers',$record,'')->[0]->{subfield};
 153         }
 154
 155         # return the bib-level or item-level itype per syspref
 156         if (!C4::Context->preference('item-level_itypes')) {
 157             $row->{itype} = $row->{itemtype};
 158         }
 159         delete $row->{itemtype};
 160
 161         push @$items, $row;
 162     }
 163     return $items;
 164 }
 165
 166 =head2 CreateQueue
 167
 168   CreateQueue();
 169
 170 Top level function that turns reserves into tmp_holdsqueue and hold_fill_targets.
 171
 172 =cut
 173
 174 sub CreateQueue {
 175     my $dbh   = C4::Context->dbh;
 176
 177     $dbh->do("DELETE FROM tmp_holdsqueue");  # clear the old table for new info
 178     $dbh->do("DELETE FROM hold_fill_targets");
 179
 180     my $total_bibs            = 0;
 181     my $total_requests        = 0;
 182     my $total_available_items = 0;
 183     my $num_items_mapped      = 0;
 184
 185     my $branches_to_use;
 186     my $transport_cost_matrix;
 187     my $use_transport_cost_matrix = C4::Context->preference("UseTransportCostMatrix");
 188     if ($use_transport_cost_matrix) {
 189         $transport_cost_matrix = TransportCostMatrix();
 190         unless (keys %$transport_cost_matrix) {
 191             warn "UseTransportCostMatrix set to yes, but matrix not populated";
 192             undef $transport_cost_matrix;
 193         }
 194     }
 195     unless ($transport_cost_matrix) {
 196         $branches_to_use = load_branches_to_pull_from();
 197     }
 198
 199     my $bibs_with_pending_requests = GetBibsWithPendingHoldRequests();
 200
 201     foreach my $biblionumber (@$bibs_with_pending_requests) {
 202         $total_bibs++;
 203         my $hold_requests   = GetPendingHoldRequestsForBib($biblionumber);
 204         my $available_items = GetItemsAvailableToFillHoldRequestsForBib($biblionumber, $branches_to_use);
 205         $total_requests        += scalar(@$hold_requests);
 206         $total_available_items += scalar(@$available_items);
 207
 208         my $item_map = MapItemsToHoldRequests($hold_requests, $available_items, $branches_to_use, $transport_cost_matrix);
 209         $item_map  or next;
 210         my $item_map_size = scalar(keys %$item_map)
 211           or next;
 212
 213         $num_items_mapped += $item_map_size;
 214         CreatePicklistFromItemMap($item_map);
 215         AddToHoldTargetMap($item_map);
 216         if (($item_map_size < scalar(@$hold_requests  )) and
 217             ($item_map_size < scalar(@$available_items))) {
 218             # DOUBLE CHECK, but this is probably OK - unfilled item-level requests
 219             # FIXME
 220             #warn "unfilled requests for $biblionumber";
 221             #warn Dumper($hold_requests), Dumper($available_items), Dumper($item_map);
 222         }
 223     }
 224 }
 225
 226 =head2 GetBibsWithPendingHoldRequests
 227
 228   my $biblionumber_aref = GetBibsWithPendingHoldRequests();
 229
 230 Return an arrayref of the biblionumbers of all bibs
 231 that have one or more unfilled hold requests.
 232
 233 =cut
 234
 235 sub GetBibsWithPendingHoldRequests {
 236     my $dbh = C4::Context->dbh;
 237
 238     my $bib_query = "SELECT DISTINCT biblionumber
 239                      FROM reserves
 240                      WHERE found IS NULL
 241                      AND priority > 0
 242                      AND reservedate <= CURRENT_DATE()
 243                      AND suspend = 0
 244                      ";
 245     my $sth = $dbh->prepare($bib_query);
 246
 247     $sth->execute();
 248     my $biblionumbers = $sth->fetchall_arrayref();
 249
 250     return [ map { $_->[0] } @$biblionumbers ];
 251 }
 252
 253 =head2 GetPendingHoldRequestsForBib
 254
 255   my $requests = GetPendingHoldRequestsForBib($biblionumber);
 256
 257 Returns an arrayref of hashrefs to pending, unfilled hold requests
 258 on the bib identified by $biblionumber.  The following keys
 259 are present in each hashref:
 260
 261     biblionumber
 262     borrowernumber
 263     itemnumber
 264     priority
 265     branchcode
 266     reservedate
 267     reservenotes
 268     borrowerbranch
 269
 270 The arrayref is sorted in order of increasing priority.
 271
 272 =cut
 273
 274 sub GetPendingHoldRequestsForBib {
 275     my $biblionumber = shift;
 276
 277     my $dbh = C4::Context->dbh;
 278
 279     my $request_query = "SELECT biblionumber, borrowernumber, itemnumber, priority, reserves.branchcode,
 280                                 reservedate, reservenotes, borrowers.branchcode AS borrowerbranch, itemtype
 281                          FROM reserves
 282                          JOIN borrowers USING (borrowernumber)
 283                          WHERE biblionumber = ?
 284                          AND found IS NULL
 285                          AND priority > 0
 286                          AND reservedate <= CURRENT_DATE()
 287                          AND suspend = 0
 288                          ORDER BY priority";
 289     my $sth = $dbh->prepare($request_query);
 290     $sth->execute($biblionumber);
 291
 292     my $requests = $sth->fetchall_arrayref({});
 293     return $requests;
 294
 295 }
 296
 297 =head2 GetItemsAvailableToFillHoldRequestsForBib
 298
 299   my $available_items = GetItemsAvailableToFillHoldRequestsForBib($biblionumber, $branches_ar);
 300
 301 Returns an arrayref of items available to fill hold requests
 302 for the bib identified by C<$biblionumber>.  An item is available
 303 to fill a hold request if and only if:
 304
 305     * it is not on loan
 306     * it is not withdrawn
 307     * it is not marked notforloan
 308     * it is not currently in transit
 309     * it is not lost
 310     * it is not sitting on the hold shelf
 311     * it is not damaged (unless AllowHoldsOnDamagedItems is on)
 312
 313 =cut
 314
 315 sub GetItemsAvailableToFillHoldRequestsForBib {
 316     my ($biblionumber, $branches_to_use) = @_;
 317
 318     my $dbh = C4::Context->dbh;
 319     my $items_query = "SELECT itemnumber, homebranch, holdingbranch, itemtypes.itemtype AS itype
 320                        FROM items ";
 321
 322     if (C4::Context->preference('item-level_itypes')) {
 323         $items_query .=   "LEFT JOIN itemtypes ON (itemtypes.itemtype = items.itype) ";
 324     } else {
 325         $items_query .=   "JOIN biblioitems USING (biblioitemnumber)
 326                            LEFT JOIN itemtypes USING (itemtype) ";
 327     }
 328     $items_query .=   "WHERE items.notforloan = 0
 329                        AND holdingbranch IS NOT NULL
 330                        AND itemlost = 0
 331                        AND withdrawn = 0";
 332     $items_query .= "  AND damaged = 0" unless C4::Context->preference('AllowHoldsOnDamagedItems');
 333     $items_query .= "  AND items.onloan IS NULL
 334                        AND (itemtypes.notforloan IS NULL OR itemtypes.notforloan = 0)
 335                        AND itemnumber NOT IN (
 336                            SELECT itemnumber
 337                            FROM reserves
 338                            WHERE biblionumber = ?
 339                            AND itemnumber IS NOT NULL
 340                            AND (found IS NOT NULL OR priority = 0)
 341                         )
 342                        AND items.biblionumber = ?";
 343
 344     my @params = ($biblionumber, $biblionumber);
 345     if ($branches_to_use && @$branches_to_use) {
 346         $items_query .= " AND holdingbranch IN (" . join (",", map { "?" } @$branches_to_use) . ")";
 347         push @params, @$branches_to_use;
 348     }
 349     my $sth = $dbh->prepare($items_query);
 350     $sth->execute(@params);
 351
 352     my $itm = $sth->fetchall_arrayref({});
 353     my @items = grep { ! scalar GetTransfers($_->{itemnumber}) } @$itm;
 354     return [ grep {
 355         my $rule = GetBranchItemRule($_->{homebranch}, $_->{itype});
 356         $_->{holdallowed} = $rule->{holdallowed};
 357         $_->{hold_fulfillment_policy} = $rule->{hold_fulfillment_policy};
 358     } @items ];
 359 }
 360
 361 =head2 MapItemsToHoldRequests
 362
 363   MapItemsToHoldRequests($hold_requests, $available_items, $branches, $transport_cost_matrix)
 364
 365 =cut
 366
 367 sub MapItemsToHoldRequests {
 368     my ($hold_requests, $available_items, $branches_to_use, $transport_cost_matrix) = @_;
 369
 370
 371     # handle trival cases
 372     return unless scalar(@$hold_requests) > 0;
 373     return unless scalar(@$available_items) > 0;
 374
 375     # identify item-level requests
 376     my %specific_items_requested = map { $_->{itemnumber} => 1 }
 377                                    grep { defined($_->{itemnumber}) }
 378                                    @$hold_requests;
 379
 380     # group available items by itemnumber
 381     my %items_by_itemnumber = map { $_->{itemnumber} => $_ } @$available_items;
 382
 383     # items already allocated
 384     my %allocated_items = ();
 385
 386     # map of items to hold requests
 387     my %item_map = ();
 388
 389     # figure out which item-level requests can be filled
 390     my $num_items_remaining = scalar(@$available_items);
 391
 392     # Look for Local Holds Priority matches first
 393     if ( C4::Context->preference('LocalHoldsPriority') ) {
 394         my $LocalHoldsPriorityPatronControl =
 395           C4::Context->preference('LocalHoldsPriorityPatronControl');
 396         my $LocalHoldsPriorityItemControl =
 397           C4::Context->preference('LocalHoldsPriorityItemControl');
 398
 399         foreach my $request (@$hold_requests) {
 400             next if (defined($request->{itemnumber})); #skip item level holds in local priority checking
 401             last if $num_items_remaining == 0;
 402
 403             my $local_hold_match;
 404             foreach my $item (@$available_items) {
 405                 next
 406                   if ( !$item->{holdallowed} )
 407                   || ( $item->{holdallowed} == 1
 408                     && $item->{homebranch} ne $request->{borrowerbranch} );
 409
 410                 my $local_holds_priority_item_branchcode =
 411                   $item->{$LocalHoldsPriorityItemControl};
 412
 413                 my $local_holds_priority_patron_branchcode =
 414                   ( $LocalHoldsPriorityPatronControl eq 'PickupLibrary' )
 415                   ? $request->{branchcode}
 416                   : ( $LocalHoldsPriorityPatronControl eq 'HomeLibrary' )
 417                   ? $request->{borrowerbranch}
 418                   : undef;
 419
 420                 $local_hold_match =
 421                   $local_holds_priority_item_branchcode eq
 422                   $local_holds_priority_patron_branchcode;
 423
 424                 if ($local_hold_match) {
 425                     if ( exists $items_by_itemnumber{ $item->{itemnumber} }
 426                         and not exists $allocated_items{ $item->{itemnumber} }
 427                         and not $request->{allocated})
 428                     {
 429                         $item_map{ $item->{itemnumber} } = {
 430                             borrowernumber => $request->{borrowernumber},
 431                             biblionumber   => $request->{biblionumber},
 432                             holdingbranch  => $item->{holdingbranch},
 433                             pickup_branch  => $request->{branchcode}
 434                               || $request->{borrowerbranch},
 435                             item_level   => 0,
 436                             reservedate  => $request->{reservedate},
 437                             reservenotes => $request->{reservenotes},
 438                         };
 439                         $allocated_items{ $item->{itemnumber} }++;
 440                         $request->{allocated} = 1;
 441                         $num_items_remaining--;
 442                     }
 443                 }
 444             }
 445         }
 446     }
 447
 448     foreach my $request (@$hold_requests) {
 449         last if $num_items_remaining == 0;
 450         next if $request->{allocated};
 451
 452         # is this an item-level request?
 453         if (defined($request->{itemnumber})) {
 454             # fill it if possible; if not skip it
 455             if (
 456                     exists $items_by_itemnumber{ $request->{itemnumber} }
 457                 and not exists $allocated_items{ $request->{itemnumber} }
 458                 and ( # Don't fill item level holds that contravene the hold pickup policy at this time
 459                     ( $items_by_itemnumber{ $request->{itemnumber} }->{hold_fulfillment_policy} eq 'any' )
 460                     || ( $request->{branchcode} eq $items_by_itemnumber{ $request->{itemnumber} }->{ $items_by_itemnumber{ $request->{itemnumber} }->{hold_fulfillment_policy} }  )
 461                 and ( !$request->{itemtype} # If hold itemtype is set, item's itemtype must match
 462                     || $items_by_itemnumber{ $request->{itemnumber} }->{itype} eq $request->{itemtype} )
 463                 )
 464
 465               )
 466             {
 467
 468                 $item_map{ $request->{itemnumber} } = {
 469                     borrowernumber => $request->{borrowernumber},
 470                     biblionumber   => $request->{biblionumber},
 471                     holdingbranch  => $items_by_itemnumber{ $request->{itemnumber} }->{holdingbranch},
 472                     pickup_branch  => $request->{branchcode} || $request->{borrowerbranch},
 473                     item_level     => 1,
 474                     reservedate    => $request->{reservedate},
 475                     reservenotes   => $request->{reservenotes},
 476                 };
 477                 $allocated_items{ $request->{itemnumber} }++;
 478                 $num_items_remaining--;
 479             }
 480         } else {
 481             # it's title-level request that will take up one item
 482             $num_items_remaining--;
 483         }
 484     }
 485
 486     # group available items by branch
 487     my %items_by_branch = ();
 488     foreach my $item (@$available_items) {
 489         next unless $item->{holdallowed};
 490
 491         push @{ $items_by_branch{ $item->{holdingbranch} } }, $item
 492           unless exists $allocated_items{ $item->{itemnumber} };
 493     }
 494     return \%item_map unless keys %items_by_branch;
 495
 496     # now handle the title-level requests
 497     $num_items_remaining = scalar(@$available_items) - scalar(keys %allocated_items);
 498     my $pull_branches;
 499     foreach my $request (@$hold_requests) {
 500         last if $num_items_remaining == 0;
 501         next if $request->{allocated};
 502         next if defined($request->{itemnumber}); # already handled these
 503
 504         # look for local match first
 505         my $pickup_branch = $request->{branchcode} || $request->{borrowerbranch};
 506         my ($itemnumber, $holdingbranch);
 507
 508         my $holding_branch_items = $items_by_branch{$pickup_branch};
 509         if ( $holding_branch_items ) {
 510             foreach my $item (@$holding_branch_items) {
 511                 if (
 512                     $request->{borrowerbranch} eq $item->{homebranch}
 513                     && ( ( $item->{hold_fulfillment_policy} eq 'any' ) # Don't fill item level holds that contravene the hold pickup policy at this time
 514                         || $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} } )
 515                     && ( !$request->{itemtype} # If hold itemtype is set, item's itemtype must match
 516                         || $items_by_itemnumber{ $request->{itemnumber} }->{itype} eq $request->{itemtype} )
 517                   )
 518                 {
 519                     $itemnumber = $item->{itemnumber};
 520                     last;
 521                 }
 522             }
 523             $holdingbranch = $pickup_branch;
 524         }
 525         elsif ($transport_cost_matrix) {
 526             $pull_branches = [keys %items_by_branch];
 527             $holdingbranch = least_cost_branch( $pickup_branch, $pull_branches, $transport_cost_matrix );
 528             if ( $holdingbranch ) {
 529
 530                 my $holding_branch_items = $items_by_branch{$holdingbranch};
 531                 foreach my $item (@$holding_branch_items) {
 532                     next if $request->{borrowerbranch} ne $item->{homebranch};
 533
 534                     # Don't fill item level holds that contravene the hold pickup policy at this time
 535                     next unless $item->{hold_fulfillment_policy} eq 'any'
 536                         || $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
 537
 538                     # If hold itemtype is set, item's itemtype must match
 539                     next unless ( !$request->{itemtype}
 540                         || $item->{itype} eq $request->{itemtype} );
 541
 542                     $itemnumber = $item->{itemnumber};
 543                     last;
 544                 }
 545             }
 546             else {
 547                 next;
 548             }
 549         }
 550
 551         unless ($itemnumber) {
 552             # not found yet, fall back to basics
 553             if ($branches_to_use) {
 554                 $pull_branches = $branches_to_use;
 555             } else {
 556                 $pull_branches = [keys %items_by_branch];
 557             }
 558
 559             # Try picking items where the home and pickup branch match first
 560             PULL_BRANCHES:
 561             foreach my $branch (@$pull_branches) {
 562                 my $holding_branch_items = $items_by_branch{$branch}
 563                   or next;
 564
 565                 $holdingbranch ||= $branch;
 566                 foreach my $item (@$holding_branch_items) {
 567                     next if $pickup_branch ne $item->{homebranch};
 568                     next if ( $item->{holdallowed} == 1 && $item->{homebranch} ne $request->{borrowerbranch} );
 569
 570                     # Don't fill item level holds that contravene the hold pickup policy at this time
 571                     next unless $item->{hold_fulfillment_policy} eq 'any'
 572                         || $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
 573
 574                     # If hold itemtype is set, item's itemtype must match
 575                     next unless ( !$request->{itemtype}
 576                         || $item->{itype} eq $request->{itemtype} );
 577
 578                     $itemnumber = $item->{itemnumber};
 579                     $holdingbranch = $branch;
 580                     last PULL_BRANCHES;
 581                 }
 582             }
 583
 584             # Now try items from the least cost branch based on the transport cost matrix or StaticHoldsQueueWeight
 585             unless ( $itemnumber ) {
 586                 foreach my $current_item ( @{ $items_by_branch{$holdingbranch} } ) {
 587                     if ( $holdingbranch && ( $current_item->{holdallowed} == 2 || $request->{borrowerbranch} eq $current_item->{homebranch} ) ) {
 588
 589                         # Don't fill item level holds that contravene the hold pickup policy at this time
 590                         next unless $current_item->{hold_fulfillment_policy} eq 'any'
 591                             || $request->{branchcode} eq $current_item->{ $current_item->{hold_fulfillment_policy} };
 592
 593                         # If hold itemtype is set, item's itemtype must match
 594                         next unless ( !$request->{itemtype}
 595                             || $current_item->{itype} eq $request->{itemtype} );
 596
 597                         $itemnumber = $current_item->{itemnumber};
 598                         last; # quit this loop as soon as we have a suitable item
 599                     }
 600                 }
 601             }
 602
 603             # Now try for items for any item that can fill this hold
 604             unless ( $itemnumber ) {
 605                 PULL_BRANCHES2:
 606                 foreach my $branch (@$pull_branches) {
 607                     my $holding_branch_items = $items_by_branch{$branch}
 608                       or next;
 609
 610                     foreach my $item (@$holding_branch_items) {
 611                         next if ( $item->{holdallowed} == 1 && $item->{homebranch} ne $request->{borrowerbranch} );
 612
 613                         # Don't fill item level holds that contravene the hold pickup policy at this time
 614                         next unless $item->{hold_fulfillment_policy} eq 'any'
 615                             || $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
 616
 617                         # If hold itemtype is set, item's itemtype must match
 618                         next unless ( !$request->{itemtype}
 619                             || $item->{itype} eq $request->{itemtype} );
 620
 621                         $itemnumber = $item->{itemnumber};
 622                         $holdingbranch = $branch;
 623                         last PULL_BRANCHES2;
 624                     }
 625                 }
 626             }
 627         }
 628
 629         if ($itemnumber) {
 630             my $holding_branch_items = $items_by_branch{$holdingbranch}
 631               or die "Have $itemnumber, $holdingbranch, but no items!";
 632             @$holding_branch_items = grep { $_->{itemnumber} != $itemnumber } @$holding_branch_items;
 633             delete $items_by_branch{$holdingbranch} unless @$holding_branch_items;
 634
 635             $item_map{$itemnumber} = {
 636                 borrowernumber => $request->{borrowernumber},
 637                 biblionumber => $request->{biblionumber},
 638                 holdingbranch => $holdingbranch,
 639                 pickup_branch => $pickup_branch,
 640                 item_level => 0,
 641                 reservedate => $request->{reservedate},
 642                 reservenotes => $request->{reservenotes},
 643             };
 644             $num_items_remaining--;
 645         }
 646     }
 647     return \%item_map;
 648 }
 649
 650 =head2 CreatePickListFromItemMap
 651
 652 =cut
 653
 654 sub CreatePicklistFromItemMap {
 655     my $item_map = shift;
 656
 657     my $dbh = C4::Context->dbh;
 658
 659     my $sth_load=$dbh->prepare("
 660         INSERT INTO tmp_holdsqueue (biblionumber,itemnumber,barcode,surname,firstname,phone,borrowernumber,
 661                                     cardnumber,reservedate,title, itemcallnumber,
 662                                     holdingbranch,pickbranch,notes, item_level_request)
 663         VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
 664     ");
 665
 666     foreach my $itemnumber  (sort keys %$item_map) {
 667         my $mapped_item = $item_map->{$itemnumber};
 668         my $biblionumber = $mapped_item->{biblionumber};
 669         my $borrowernumber = $mapped_item->{borrowernumber};
 670         my $pickbranch = $mapped_item->{pickup_branch};
 671         my $holdingbranch = $mapped_item->{holdingbranch};
 672         my $reservedate = $mapped_item->{reservedate};
 673         my $reservenotes = $mapped_item->{reservenotes};
 674         my $item_level = $mapped_item->{item_level};
 675
 676         my $item = GetItem($itemnumber);
 677         my $barcode = $item->{barcode};
 678         my $itemcallnumber = $item->{itemcallnumber};
 679
 680         my $borrower = GetMember('borrowernumber'=>$borrowernumber);
 681         my $cardnumber = $borrower->{'cardnumber'};
 682         my $surname = $borrower->{'surname'};
 683         my $firstname = $borrower->{'firstname'};
 684         my $phone = $borrower->{'phone'};
 685
 686         my $bib = GetBiblioData($biblionumber);
 687         my $title = $bib->{title};
 688
 689         $sth_load->execute($biblionumber, $itemnumber, $barcode, $surname, $firstname, $phone, $borrowernumber,
 690                            $cardnumber, $reservedate, $title, $itemcallnumber,
 691                            $holdingbranch, $pickbranch, $reservenotes, $item_level);
 692     }
 693 }
 694
 695 =head2 AddToHoldTargetMap
 696
 697 =cut
 698
 699 sub AddToHoldTargetMap {
 700     my $item_map = shift;
 701
 702     my $dbh = C4::Context->dbh;
 703
 704     my $insert_sql = q(
 705         INSERT INTO hold_fill_targets (borrowernumber, biblionumber, itemnumber, source_branchcode, item_level_request)
 706                                VALUES (?, ?, ?, ?, ?)
 707     );
 708     my $sth_insert = $dbh->prepare($insert_sql);
 709
 710     foreach my $itemnumber (keys %$item_map) {
 711         my $mapped_item = $item_map->{$itemnumber};
 712         $sth_insert->execute($mapped_item->{borrowernumber}, $mapped_item->{biblionumber}, $itemnumber,
 713                              $mapped_item->{holdingbranch}, $mapped_item->{item_level});
 714     }
 715 }
 716
 717 # Helper functions, not part of any interface
 718
 719 sub _trim {
 720     return $_[0] unless $_[0];
 721     $_[0] =~ s/^\s+//;
 722     $_[0] =~ s/\s+$//;
 723     $_[0];
 724 }
 725
 726 sub load_branches_to_pull_from {
 727     my @branches_to_use;
 728
 729     my $static_branch_list = C4::Context->preference("StaticHoldsQueueWeight");
 730     @branches_to_use = map { _trim($_) } split( /,/, $static_branch_list )
 731       if $static_branch_list;
 732
 733     @branches_to_use =
 734       Koha::Database->new()->schema()->resultset('Branch')
 735       ->get_column('branchcode')->all()
 736       unless (@branches_to_use);
 737
 738     @branches_to_use = shuffle(@branches_to_use)
 739       if C4::Context->preference("RandomizeHoldsQueueWeight");
 740
 741     my $today = dt_from_string();
 742     if ( C4::Context->preference('HoldsQueueSkipClosed') ) {
 743         @branches_to_use = grep {
 744             !Koha::Calendar->new( branchcode => $_ )
 745               ->is_holiday( $today )
 746         } @branches_to_use;
 747     }
 748
 749     return \@branches_to_use;
 750 }
 751
 752 sub least_cost_branch {
 753
 754     #$from - arrayref
 755     my ($to, $from, $transport_cost_matrix) = @_;
 756
 757     # Nothing really spectacular: supply to branch, a list of potential from branches
 758     # and find the minimum from - to value from the transport_cost_matrix
 759     return $from->[0] if ( @$from == 1 && $transport_cost_matrix->{$to}{$from->[0]}->{disable_transfer} != 1 );
 760
 761     # If the pickup library is in the list of libraries to pull from,
 762     # return that library right away, it is obviously the least costly
 763     return ($to) if any { $_ eq $to } @$from;
 764
 765     my ($least_cost, @branch);
 766     foreach (@$from) {
 767         my $cell = $transport_cost_matrix->{$to}{$_};
 768         next if $cell->{disable_transfer};
 769
 770         my $cost = $cell->{cost};
 771         next unless defined $cost; # XXX should this be reported?
 772
 773         unless (defined $least_cost) {
 774             $least_cost = $cost;
 775             push @branch, $_;
 776             next;
 777         }
 778
 779         next if $cost > $least_cost;
 780
 781         if ($cost == $least_cost) {
 782             push @branch, $_;
 783             next;
 784         }
 785
 786         @branch = ($_);
 787         $least_cost = $cost;
 788     }
 789
 790     return $branch[0];
 791
 792     # XXX return a random @branch with minimum cost instead of the first one;
 793     # return $branch[0] if @branch == 1;
 794 }
 795
 796
 797 1;