Koha/svc/holds

#!/usr/bin/perl

# Copyright 2014 ByWater Solutions
#
# 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>.

use Modern::Perl;

use CGI;
use JSON qw(to_json);

use C4::Auth qw(check_cookie_auth);
use C4::Charset;
use C4::Circulation qw(GetTransfers);
use C4::Context;

use Koha::DateUtils qw( dt_from_string output_pref );
use Koha::Holds;
use Koha::ItemTypes;
use Koha::Libraries;

my $input = CGI->new;

my ( $auth_status ) =
  check_cookie_auth( $input->cookie('CGISESSID'),
    { circulate => 'circulate_remaining_permissions' } );

if ( $auth_status ne "ok" ) {
    exit 0;
}

my $branch = C4::Context->userenv->{'branch'};

my $schema = Koha::Database->new()->schema();

my @sort_columns =
  qw/reservedate title itemcallnumber barcode expirationdate priority/;

my $borrowernumber    = $input->param('borrowernumber');
my $offset            = $input->param('iDisplayStart');
my $results_per_page  = $input->param('iDisplayLength');
my $sorting_direction = $input->param('sSortDir_0') || 'desc';
my $iSortCol          = $input->param('iSortCol_0') // 0;
my $sorting_column    = $sort_columns[$iSortCol] // 'reservedate';

binmode STDOUT, ":encoding(UTF-8)";
print $input->header( -type => 'text/plain', -charset => 'UTF-8' );

my $holds_rs = Koha::Holds->search(
    { borrowernumber => $borrowernumber },
    {
        order_by => { "-$sorting_direction" => $sorting_column }
    }
);

my @holds;
while ( my $h = $holds_rs->next() ) {
    my $item = $h->item();

    my $biblionumber = $h->biblio()->biblionumber();

    my $desk_id = $h->desk_id;
    my $desk_name = '';
    if ($desk_id) {
        $desk_name = $h->desk()->desk_name();
    }

    my $itemtype_limit;
    if ( $h->itemtype ) {
        my $itemtype = Koha::ItemTypes->find( $h->itemtype );
        $itemtype_limit = $itemtype->translated_description;
    }

    my $libraries = Koha::Libraries->search({}, { order_by => ['branchname'] })->unblessed;
    for my $library ( @$libraries ) {
        $library->{selected} = 1 if $library->{branchcode} eq $h->branchcode();
    }

    my $biblio = $h->biblio();
    my @subtitles = split(/ \| /, $biblio->subtitle() // '');
    my $hold = {
        DT_RowId       => $h->reserve_id(),
        biblionumber   => $biblionumber,
        title          => $biblio->title(),
        subtitle       => \@subtitles,
        medium         => $biblio->medium() // '',
        part_number    => $biblio->part_number() // '',
        part_name      => $biblio->part_name() // '',
        author         => $biblio->author(),
        reserve_id     => $h->reserve_id(),
        branchcode     => $h->branch()->branchname(),
        branches       => $libraries,
        desk_name      => $desk_name,
        reservedate    => $h->reservedate(),
        expirationdate => $h->expirationdate(),
        suspend        => $h->suspend(),
        suspend_until  => $h->suspend_until(),
        found          => $h->found(),
        waiting        => $h->is_waiting(),
        waiting_at     => $h->branch()->branchname(),
        waiting_here   => $h->branch()->branchcode() eq $branch,
        priority       => $h->priority(),
        itemtype_limit => $itemtype_limit,
        reservedate_formatted => $h->reservedate() ? output_pref(
            { dt => dt_from_string( $h->reservedate() ), dateonly => 1 }
          )
        : q{},
        suspend_until_formatted => $h->suspend_until() ? output_pref(
            { dt => dt_from_string( $h->suspend_until() ), dateonly => 1 }
          )
        : q{},
        expirationdate_formatted => $h->expirationdate() ? output_pref(
            { dt => dt_from_string( $h->expirationdate() ), dateonly => 1 }
          )
        : q{},
    };

    $hold->{transfered}     = 0;
    $hold->{not_transfered} = 0;

    if ($item) {
        $hold->{itemnumber}     = $item->itemnumber();
        $hold->{barcode}        = $item->barcode();
        $hold->{itemtype}       = $item->effective_itemtype();
        $hold->{itemtype_description} = $item->itemtype->description;
        $hold->{enumchron}      = $item->enumchron();
        $hold->{itemcallnumber} = $item->itemcallnumber() || q{};

        my ( $transferred_when, $transferred_from, $transferred_to ) =
          GetTransfers( $item->itemnumber() );
        if ($transferred_when) {
            $hold->{color}       = 'transferred';
            $hold->{transferred} = 1;
            $hold->{date_sent} = output_pref( dt_from_string($transferred_when) );
            $hold->{from_branch} = Koha::Libraries->find($transferred_from)->branchname;
        }
        elsif ( $item->holding_branch() && $item->holding_branch()->branchcode() ne
            $h->branch()->branchcode() )
        {
            $hold->{not_transferred}    = 1;
            $hold->{not_transferred_by} = $h->item()->holding_branch()->branchname();
        }
    }

    push( @holds, $hold );
}

my $data;
$data->{'iTotalRecords'}        = scalar @holds;
$data->{'iTotalDisplayRecords'} = scalar @holds;
$data->{'sEcho'}                = $input->param('sEcho') || undef;
$data->{'aaData'}               = \@holds;

print to_json($data);