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package C4::HoldsQueue;
# Copyright 2011 Catalyst IT
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <http://www.gnu.org/licenses>.
# FIXME: expand perldoc, explain intended logic
use strict;
use warnings;
use C4::Context;
use C4::Search;
use C4::Items;
use C4::Circulation;
use C4::Members;
use C4::Biblio;
use Koha::DateUtils;
use Koha::Items;
use Koha::Patrons;
use List::Util qw(shuffle);
use List::MoreUtils qw(any);
use Data::Dumper;
use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
BEGIN {
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(
&CreateQueue
&GetHoldsQueueItems
&TransportCostMatrix
&UpdateTransportCostMatrix
);
}
=head1 FUNCTIONS
=head2 TransportCostMatrix
TransportCostMatrix();
Returns Transport Cost Matrix as a hashref <to branch code> => <from branch code> => cost
=cut
sub TransportCostMatrix {
my ( $params ) = @_;
my $ignore_holds_queue_skip_closed = $params->{ignore_holds_queue_skip_closed};
my $dbh = C4::Context->dbh;
my $transport_costs = $dbh->selectall_arrayref("SELECT * FROM transport_cost",{ Slice => {} });
my $today = dt_from_string();
my $calendars;
my %transport_cost_matrix;
foreach (@$transport_costs) {
my $from = $_->{frombranch};
my $to = $_->{tobranch};
my $cost = $_->{cost};
my $disabled = $_->{disable_transfer};
$transport_cost_matrix{$to}{$from} = {
cost => $cost,
disable_transfer => $disabled
};
if ( !$ignore_holds_queue_skip_closed && C4::Context->preference("HoldsQueueSkipClosed") ) {
$calendars->{$from} ||= Koha::Calendar->new( branchcode => $from );
$transport_cost_matrix{$to}{$from}{disable_transfer} ||=
$calendars->{$from}->is_holiday( $today );
}
}
return \%transport_cost_matrix;
}
=head2 UpdateTransportCostMatrix
UpdateTransportCostMatrix($records);
Updates full Transport Cost Matrix table. $records is an arrayref of records.
Records: { frombranch => <code>, tobranch => <code>, cost => <figure>, disable_transfer => <0,1> }
=cut
sub UpdateTransportCostMatrix {
my ($records) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("INSERT INTO transport_cost (frombranch, tobranch, cost, disable_transfer) VALUES (?, ?, ?, ?)");
$dbh->do("DELETE FROM transport_cost");
foreach (@$records) {
my $cost = $_->{cost};
my $from = $_->{frombranch};
my $to = $_->{tobranch};
if ($_->{disable_transfer}) {
$cost ||= 0;
}
elsif ( !defined ($cost) || ($cost !~ m/(0|[1-9][0-9]*)(\.[0-9]*)?/o) ) {
warn "Invalid $from -> $to cost $cost - must be a number >= 0, disabling";
$cost = 0;
$_->{disable_transfer} = 1;
}
$sth->execute( $from, $to, $cost, $_->{disable_transfer} ? 1 : 0 );
}
}
=head2 GetHoldsQueueItems
GetHoldsQueueItems($branch);
Returns hold queue for a holding branch. If branch is omitted, then whole queue is returned
=cut
sub GetHoldsQueueItems {
my ($branchlimit) = @_;
my $dbh = C4::Context->dbh;
my @bind_params = ();
my $query = q/SELECT tmp_holdsqueue.*, biblio.author, items.ccode, items.itype, biblioitems.itemtype, items.location,
items.enumchron, items.cn_sort, biblioitems.publishercode,
biblio.copyrightdate, biblio.subtitle, biblio.medium,
biblio.part_number, biblio.part_name,
biblioitems.publicationyear, biblioitems.pages, biblioitems.size,
biblioitems.isbn, biblioitems.editionstatement, items.copynumber
FROM tmp_holdsqueue
JOIN biblio USING (biblionumber)
LEFT JOIN biblioitems USING (biblionumber)
LEFT JOIN items USING ( itemnumber)
/;
if ($branchlimit) {
$query .=" WHERE tmp_holdsqueue.holdingbranch = ?";
push @bind_params, $branchlimit;
}
$query .= " ORDER BY ccode, location, cn_sort, author, title, pickbranch, reservedate";
my $sth = $dbh->prepare($query);
$sth->execute(@bind_params);
my $items = [];
while ( my $row = $sth->fetchrow_hashref ){
# return the bib-level or item-level itype per syspref
if (!C4::Context->preference('item-level_itypes')) {
$row->{itype} = $row->{itemtype};
}
delete $row->{itemtype};
push @$items, $row;
}
return $items;
}
=head2 CreateQueue
CreateQueue();
Top level function that turns reserves into tmp_holdsqueue and hold_fill_targets.
=cut
sub CreateQueue {
my $dbh = C4::Context->dbh;
$dbh->do("DELETE FROM tmp_holdsqueue"); # clear the old table for new info
$dbh->do("DELETE FROM hold_fill_targets");
my $total_bibs = 0;
my $total_requests = 0;
my $total_available_items = 0;
my $num_items_mapped = 0;
my $branches_to_use;
my $transport_cost_matrix;
my $use_transport_cost_matrix = C4::Context->preference("UseTransportCostMatrix");
if ($use_transport_cost_matrix) {
$transport_cost_matrix = TransportCostMatrix();
unless (keys %$transport_cost_matrix) {
warn "UseTransportCostMatrix set to yes, but matrix not populated";
undef $transport_cost_matrix;
}
}
unless ($transport_cost_matrix) {
$branches_to_use = load_branches_to_pull_from();
}
my $bibs_with_pending_requests = GetBibsWithPendingHoldRequests();
foreach my $biblionumber (@$bibs_with_pending_requests) {
$total_bibs++;
my $hold_requests = GetPendingHoldRequestsForBib($biblionumber);
my $available_items = GetItemsAvailableToFillHoldRequestsForBib($biblionumber, $branches_to_use);
$total_requests += scalar(@$hold_requests);
$total_available_items += scalar(@$available_items);
my $item_map = MapItemsToHoldRequests($hold_requests, $available_items, $branches_to_use, $transport_cost_matrix);
$item_map or next;
my $item_map_size = scalar(keys %$item_map)
or next;
$num_items_mapped += $item_map_size;
CreatePicklistFromItemMap($item_map);
AddToHoldTargetMap($item_map);
if (($item_map_size < scalar(@$hold_requests )) and
($item_map_size < scalar(@$available_items))) {
# DOUBLE CHECK, but this is probably OK - unfilled item-level requests
# FIXME
#warn "unfilled requests for $biblionumber";
#warn Dumper($hold_requests), Dumper($available_items), Dumper($item_map);
}
}
}
=head2 GetBibsWithPendingHoldRequests
my $biblionumber_aref = GetBibsWithPendingHoldRequests();
Return an arrayref of the biblionumbers of all bibs
that have one or more unfilled hold requests.
=cut
sub GetBibsWithPendingHoldRequests {
my $dbh = C4::Context->dbh;
my $bib_query = "SELECT DISTINCT biblionumber
FROM reserves
WHERE found IS NULL
AND priority > 0
AND reservedate <= CURRENT_DATE()
AND suspend = 0
";
my $sth = $dbh->prepare($bib_query);
$sth->execute();
my $biblionumbers = $sth->fetchall_arrayref();
return [ map { $_->[0] } @$biblionumbers ];
}
=head2 GetPendingHoldRequestsForBib
my $requests = GetPendingHoldRequestsForBib($biblionumber);
Returns an arrayref of hashrefs to pending, unfilled hold requests
on the bib identified by $biblionumber. The following keys
are present in each hashref:
biblionumber
borrowernumber
itemnumber
priority
branchcode
reservedate
reservenotes
borrowerbranch
The arrayref is sorted in order of increasing priority.
=cut
sub GetPendingHoldRequestsForBib {
my $biblionumber = shift;
my $dbh = C4::Context->dbh;
my $request_query = "SELECT biblionumber, borrowernumber, itemnumber, priority, reserve_id, reserves.branchcode,
reservedate, reservenotes, borrowers.branchcode AS borrowerbranch, itemtype, item_level_hold
FROM reserves
JOIN borrowers USING (borrowernumber)
WHERE biblionumber = ?
AND found IS NULL
AND priority > 0
AND reservedate <= CURRENT_DATE()
AND suspend = 0
ORDER BY priority";
my $sth = $dbh->prepare($request_query);
$sth->execute($biblionumber);
my $requests = $sth->fetchall_arrayref({});
return $requests;
}
=head2 GetItemsAvailableToFillHoldRequestsForBib
my $available_items = GetItemsAvailableToFillHoldRequestsForBib($biblionumber, $branches_ar);
Returns an arrayref of items available to fill hold requests
for the bib identified by C<$biblionumber>. An item is available
to fill a hold request if and only if:
* it is not on loan
* it is not withdrawn
* it is not marked notforloan
* it is not currently in transit
* it is not lost
* it is not sitting on the hold shelf
* it is not damaged (unless AllowHoldsOnDamagedItems is on)
=cut
sub GetItemsAvailableToFillHoldRequestsForBib {
my ($biblionumber, $branches_to_use) = @_;
my $dbh = C4::Context->dbh;
my $items_query = "SELECT itemnumber, homebranch, holdingbranch, itemtypes.itemtype AS itype
FROM items ";
if (C4::Context->preference('item-level_itypes')) {
$items_query .= "LEFT JOIN itemtypes ON (itemtypes.itemtype = items.itype) ";
} else {
$items_query .= "JOIN biblioitems USING (biblioitemnumber)
LEFT JOIN itemtypes USING (itemtype) ";
}
$items_query .= "WHERE items.notforloan = 0
AND holdingbranch IS NOT NULL
AND itemlost = 0
AND withdrawn = 0";
$items_query .= " AND damaged = 0" unless C4::Context->preference('AllowHoldsOnDamagedItems');
$items_query .= " AND items.onloan IS NULL
AND (itemtypes.notforloan IS NULL OR itemtypes.notforloan = 0)
AND itemnumber NOT IN (
SELECT itemnumber
FROM reserves
WHERE biblionumber = ?
AND itemnumber IS NOT NULL
AND (found IS NOT NULL OR priority = 0)
)
AND items.biblionumber = ?";
my @params = ($biblionumber, $biblionumber);
if ($branches_to_use && @$branches_to_use) {
$items_query .= " AND holdingbranch IN (" . join (",", map { "?" } @$branches_to_use) . ")";
push @params, @$branches_to_use;
}
my $sth = $dbh->prepare($items_query);
$sth->execute(@params);
my $itm = $sth->fetchall_arrayref({});
my @items = grep { ! scalar GetTransfers($_->{itemnumber}) } @$itm;
return [ grep {
my $rule = GetBranchItemRule($_->{homebranch}, $_->{itype});
$_->{holdallowed} = $rule->{holdallowed};
$_->{hold_fulfillment_policy} = $rule->{hold_fulfillment_policy};
} @items ];
}
=head2 MapItemsToHoldRequests
MapItemsToHoldRequests($hold_requests, $available_items, $branches, $transport_cost_matrix)
=cut
sub MapItemsToHoldRequests {
my ($hold_requests, $available_items, $branches_to_use, $transport_cost_matrix) = @_;
# handle trival cases
return unless scalar(@$hold_requests) > 0;
return unless scalar(@$available_items) > 0;
# identify item-level requests
my %specific_items_requested = map { $_->{itemnumber} => 1 }
grep { defined($_->{itemnumber}) }
@$hold_requests;
map { $_->{_object} = Koha::Items->find( $_->{itemnumber} ) } @$available_items;
my $libraries = {};
map { $libraries->{$_->id} = $_ } Koha::Libraries->search();
# group available items by itemnumber
my %items_by_itemnumber = map { $_->{itemnumber} => $_ } @$available_items;
# items already allocated
my %allocated_items = ();
# map of items to hold requests
my %item_map = ();
# figure out which item-level requests can be filled
my $num_items_remaining = scalar(@$available_items);
# Look for Local Holds Priority matches first
if ( C4::Context->preference('LocalHoldsPriority') ) {
my $LocalHoldsPriorityPatronControl =
C4::Context->preference('LocalHoldsPriorityPatronControl');
my $LocalHoldsPriorityItemControl =
C4::Context->preference('LocalHoldsPriorityItemControl');
foreach my $request (@$hold_requests) {
last if $num_items_remaining == 0;
my $patron = Koha::Patrons->find($request->{borrowernumber});
next if $patron->category->exclude_from_local_holds_priority;
my $local_hold_match;
foreach my $item (@$available_items) {
next
if ( !$item->{holdallowed} )
|| ( $item->{holdallowed} == 1
&& $item->{homebranch} ne $request->{borrowerbranch} )
|| $item->{_object}->exclude_from_local_holds_priority;
next if $request->{itemnumber} && $request->{itemnumber} != $item->{itemnumber};
next unless $item->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
my $local_holds_priority_item_branchcode =
$item->{$LocalHoldsPriorityItemControl};
my $local_holds_priority_patron_branchcode =
( $LocalHoldsPriorityPatronControl eq 'PickupLibrary' )
? $request->{branchcode}
: ( $LocalHoldsPriorityPatronControl eq 'HomeLibrary' )
? $request->{borrowerbranch}
: undef;
$local_hold_match =
$local_holds_priority_item_branchcode eq
$local_holds_priority_patron_branchcode;
if ($local_hold_match) {
if ( exists $items_by_itemnumber{ $item->{itemnumber} }
and not exists $allocated_items{ $item->{itemnumber} }
and not $request->{allocated})
{
$item_map{ $item->{itemnumber} } = {
borrowernumber => $request->{borrowernumber},
biblionumber => $request->{biblionumber},
holdingbranch => $item->{holdingbranch},
pickup_branch => $request->{branchcode}
|| $request->{borrowerbranch},
reserve_id => $request->{reserve_id},
item_level => $request->{item_level_hold},
reservedate => $request->{reservedate},
reservenotes => $request->{reservenotes},
};
$allocated_items{ $item->{itemnumber} }++;
$request->{allocated} = 1;
$num_items_remaining--;
}
}
}
}
}
foreach my $request (@$hold_requests) {
last if $num_items_remaining == 0;
next if $request->{allocated};
# is this an item-level request?
if (defined($request->{itemnumber})) {
# fill it if possible; if not skip it
if (
exists $items_by_itemnumber{ $request->{itemnumber} }
and not exists $allocated_items{ $request->{itemnumber} }
and ( # Don't fill item level holds that contravene the hold pickup policy at this time
( $items_by_itemnumber{ $request->{itemnumber} }->{hold_fulfillment_policy} eq 'any' )
|| ( $request->{branchcode} eq $items_by_itemnumber{ $request->{itemnumber} }->{ $items_by_itemnumber{ $request->{itemnumber} }->{hold_fulfillment_policy} } )
and ( !$request->{itemtype} # If hold itemtype is set, item's itemtype must match
|| $items_by_itemnumber{ $request->{itemnumber} }->{itype} eq $request->{itemtype} )
)
and $items_by_itemnumber{ $request->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } )
)
{
$item_map{ $request->{itemnumber} } = {
borrowernumber => $request->{borrowernumber},
biblionumber => $request->{biblionumber},
holdingbranch => $items_by_itemnumber{ $request->{itemnumber} }->{holdingbranch},
pickup_branch => $request->{branchcode} || $request->{borrowerbranch},
reserve_id => $request->{reserve_id},
item_level => $request->{item_level_hold},
reservedate => $request->{reservedate},
reservenotes => $request->{reservenotes},
};
$allocated_items{ $request->{itemnumber} }++;
$num_items_remaining--;
}
} else {
# it's title-level request that will take up one item
$num_items_remaining--;
}
}
# group available items by branch
my %items_by_branch = ();
foreach my $item (@$available_items) {
next unless $item->{holdallowed};
push @{ $items_by_branch{ $item->{holdingbranch} } }, $item
unless exists $allocated_items{ $item->{itemnumber} };
}
return \%item_map unless keys %items_by_branch;
# now handle the title-level requests
$num_items_remaining = scalar(@$available_items) - scalar(keys %allocated_items);
my $pull_branches;
foreach my $request (@$hold_requests) {
last if $num_items_remaining == 0;
next if $request->{allocated};
next if defined($request->{itemnumber}); # already handled these
# look for local match first
my $pickup_branch = $request->{branchcode} || $request->{borrowerbranch};
my ($itemnumber, $holdingbranch);
my $holding_branch_items = $items_by_branch{$pickup_branch};
if ( $holding_branch_items ) {
foreach my $item (@$holding_branch_items) {
next unless $items_by_itemnumber{ $item->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
if (
$request->{borrowerbranch} eq $item->{homebranch}
&& ( ( $item->{hold_fulfillment_policy} eq 'any' ) # Don't fill item level holds that contravene the hold pickup policy at this time
|| $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} } )
&& ( !$request->{itemtype} # If hold itemtype is set, item's itemtype must match
|| $items_by_itemnumber{ $request->{itemnumber} }->{itype} eq $request->{itemtype} )
)
{
$itemnumber = $item->{itemnumber};
last;
}
}
$holdingbranch = $pickup_branch;
}
elsif ($transport_cost_matrix) {
$pull_branches = [keys %items_by_branch];
$holdingbranch = least_cost_branch( $pickup_branch, $pull_branches, $transport_cost_matrix );
if ( $holdingbranch ) {
my $holding_branch_items = $items_by_branch{$holdingbranch};
foreach my $item (@$holding_branch_items) {
next if $request->{borrowerbranch} ne $item->{homebranch};
next unless $items_by_itemnumber{ $item->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
# Don't fill item level holds that contravene the hold pickup policy at this time
next unless $item->{hold_fulfillment_policy} eq 'any'
|| $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
# If hold itemtype is set, item's itemtype must match
next unless ( !$request->{itemtype}
|| $item->{itype} eq $request->{itemtype} );
$itemnumber = $item->{itemnumber};
last;
}
}
else {
next;
}
}
unless ($itemnumber) {
# not found yet, fall back to basics
if ($branches_to_use) {
$pull_branches = $branches_to_use;
} else {
$pull_branches = [keys %items_by_branch];
}
# Try picking items where the home and pickup branch match first
PULL_BRANCHES:
foreach my $branch (@$pull_branches) {
my $holding_branch_items = $items_by_branch{$branch}
or next;
$holdingbranch ||= $branch;
foreach my $item (@$holding_branch_items) {
next if $pickup_branch ne $item->{homebranch};
next if ( $item->{holdallowed} == 1 && $item->{homebranch} ne $request->{borrowerbranch} );
next unless $items_by_itemnumber{ $item->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
# Don't fill item level holds that contravene the hold pickup policy at this time
next unless $item->{hold_fulfillment_policy} eq 'any'
|| $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
# If hold itemtype is set, item's itemtype must match
next unless ( !$request->{itemtype}
|| $item->{itype} eq $request->{itemtype} );
$itemnumber = $item->{itemnumber};
$holdingbranch = $branch;
last PULL_BRANCHES;
}
}
# Now try items from the least cost branch based on the transport cost matrix or StaticHoldsQueueWeight
unless ( $itemnumber ) {
foreach my $current_item ( @{ $items_by_branch{$holdingbranch} } ) {
if ( $holdingbranch && ( $current_item->{holdallowed} == 2 || $request->{borrowerbranch} eq $current_item->{homebranch} ) ) {
# Don't fill item level holds that contravene the hold pickup policy at this time
next unless $current_item->{hold_fulfillment_policy} eq 'any'
|| $request->{branchcode} eq $current_item->{ $current_item->{hold_fulfillment_policy} };
# If hold itemtype is set, item's itemtype must match
next unless ( !$request->{itemtype}
|| $current_item->{itype} eq $request->{itemtype} );
next unless $items_by_itemnumber{ $current_item->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
$itemnumber = $current_item->{itemnumber};
last; # quit this loop as soon as we have a suitable item
}
}
}
# Now try for items for any item that can fill this hold
unless ( $itemnumber ) {
PULL_BRANCHES2:
foreach my $branch (@$pull_branches) {
my $holding_branch_items = $items_by_branch{$branch}
or next;
foreach my $item (@$holding_branch_items) {
next if ( $item->{holdallowed} == 1 && $item->{homebranch} ne $request->{borrowerbranch} );
# Don't fill item level holds that contravene the hold pickup policy at this time
next unless $item->{hold_fulfillment_policy} eq 'any'
|| $request->{branchcode} eq $item->{ $item->{hold_fulfillment_policy} };
# If hold itemtype is set, item's itemtype must match
next unless ( !$request->{itemtype}
|| $item->{itype} eq $request->{itemtype} );
next unless $items_by_itemnumber{ $item->{itemnumber} }->{_object}->can_be_transferred( { to => $libraries->{ $request->{branchcode} } } );
$itemnumber = $item->{itemnumber};
$holdingbranch = $branch;
last PULL_BRANCHES2;
}
}
}
}
if ($itemnumber) {
my $holding_branch_items = $items_by_branch{$holdingbranch}
or die "Have $itemnumber, $holdingbranch, but no items!";
@$holding_branch_items = grep { $_->{itemnumber} != $itemnumber } @$holding_branch_items;
delete $items_by_branch{$holdingbranch} unless @$holding_branch_items;
$item_map{$itemnumber} = {
borrowernumber => $request->{borrowernumber},
biblionumber => $request->{biblionumber},
holdingbranch => $holdingbranch,
pickup_branch => $pickup_branch,
reserve_id => $request->{reserve_id},
item_level => $request->{item_level_hold},
reservedate => $request->{reservedate},
reservenotes => $request->{reservenotes},
};
$num_items_remaining--;
}
}
return \%item_map;
}
=head2 CreatePickListFromItemMap
=cut
sub CreatePicklistFromItemMap {
my $item_map = shift;
my $dbh = C4::Context->dbh;
my $sth_load=$dbh->prepare("
INSERT INTO tmp_holdsqueue (biblionumber,itemnumber,barcode,surname,firstname,phone,borrowernumber,
cardnumber,reservedate,title, itemcallnumber,
holdingbranch,pickbranch,notes, item_level_request)
VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
");
foreach my $itemnumber (sort keys %$item_map) {
my $mapped_item = $item_map->{$itemnumber};
my $biblionumber = $mapped_item->{biblionumber};
my $borrowernumber = $mapped_item->{borrowernumber};
my $pickbranch = $mapped_item->{pickup_branch};
my $holdingbranch = $mapped_item->{holdingbranch};
my $reservedate = $mapped_item->{reservedate};
my $reservenotes = $mapped_item->{reservenotes};
my $item_level = $mapped_item->{item_level};
my $item = Koha::Items->find($itemnumber);
my $barcode = $item->barcode;
my $itemcallnumber = $item->itemcallnumber;
my $patron = Koha::Patrons->find( $borrowernumber );
my $cardnumber = $patron->cardnumber;
my $surname = $patron->surname;
my $firstname = $patron->firstname;
my $phone = $patron->phone;
my $biblio = Koha::Biblios->find( $biblionumber );
my $title = $biblio->title;
$sth_load->execute($biblionumber, $itemnumber, $barcode, $surname, $firstname, $phone, $borrowernumber,
$cardnumber, $reservedate, $title, $itemcallnumber,
$holdingbranch, $pickbranch, $reservenotes, $item_level);
}
}
=head2 AddToHoldTargetMap
=cut
sub AddToHoldTargetMap {
my $item_map = shift;
my $dbh = C4::Context->dbh;
my $insert_sql = q(
INSERT INTO hold_fill_targets (borrowernumber, biblionumber, itemnumber, source_branchcode, item_level_request, reserve_id)
VALUES (?, ?, ?, ?, ?, ?)
);
my $sth_insert = $dbh->prepare($insert_sql);
foreach my $itemnumber (keys %$item_map) {
my $mapped_item = $item_map->{$itemnumber};
$sth_insert->execute($mapped_item->{borrowernumber}, $mapped_item->{biblionumber}, $itemnumber,
$mapped_item->{holdingbranch}, $mapped_item->{item_level}, $mapped_item->{reserve_id});
}
}
# Helper functions, not part of any interface
sub _trim {
return $_[0] unless $_[0];
$_[0] =~ s/^\s+//;
$_[0] =~ s/\s+$//;
$_[0];
}
sub load_branches_to_pull_from {
my @branches_to_use;
my $static_branch_list = C4::Context->preference("StaticHoldsQueueWeight");
@branches_to_use = map { _trim($_) } split( /,/, $static_branch_list )
if $static_branch_list;
@branches_to_use =
Koha::Database->new()->schema()->resultset('Branch')
->get_column('branchcode')->all()
unless (@branches_to_use);
@branches_to_use = shuffle(@branches_to_use)
if C4::Context->preference("RandomizeHoldsQueueWeight");
my $today = dt_from_string();
if ( C4::Context->preference('HoldsQueueSkipClosed') ) {
@branches_to_use = grep {
!Koha::Calendar->new( branchcode => $_ )
->is_holiday( $today )
} @branches_to_use;
}
return \@branches_to_use;
}
sub least_cost_branch {
#$from - arrayref
my ($to, $from, $transport_cost_matrix) = @_;
# Nothing really spectacular: supply to branch, a list of potential from branches
# and find the minimum from - to value from the transport_cost_matrix
return $from->[0] if ( @$from == 1 && $transport_cost_matrix->{$to}{$from->[0]}->{disable_transfer} != 1 );
# If the pickup library is in the list of libraries to pull from,
# return that library right away, it is obviously the least costly
return ($to) if any { $_ eq $to } @$from;
my ($least_cost, @branch);
foreach (@$from) {
my $cell = $transport_cost_matrix->{$to}{$_};
next if $cell->{disable_transfer};
my $cost = $cell->{cost};
next unless defined $cost; # XXX should this be reported?
unless (defined $least_cost) {
$least_cost = $cost;
push @branch, $_;
next;
}
next if $cost > $least_cost;
if ($cost == $least_cost) {
push @branch, $_;
next;
}
@branch = ($_);
$least_cost = $cost;
}
return $branch[0];
# XXX return a random @branch with minimum cost instead of the first one;
# return $branch[0] if @branch == 1;
}
1;