# Copyright 2000-2002 Katipo Communications
+# Parts copyright 2010 BibLibre
#
# This file is part of Koha.
#
# 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, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
+use warnings;
use C4::Context;
use C4::Output;
-use CGI;
+use CGI qw(-oldstyle_urls);
use C4::Auth;
use C4::Branch;
-use C4::Dates qw/format_date/;
-use Date::Calc qw/Today/;
+use C4::Debug;
+use C4::Dates qw/format_date format_date_in_iso/;
+use Text::CSV_XS;
+use Koha::DateUtils;
+use DateTime;
my $input = new CGI;
-my $type = $input->param('type');
-my $theme = $input->param('theme'); # only used if allowthemeoverride is set
-my $order = $input->param('order');
-my $showall = $input->param('showall');
-
-my $bornamefilter = $input->param('borname');
-my $borcatfilter = $input->param('borcat');
-my $itemtypefilter = $input->param('itemtype');
-my $borflagsfilter = $input->param('borflags') || " ";
-my $branchfilter = $input->param('branch');
-my $op = $input->param('op');
+my $order = $input->param('order') || '';
+my $showall = $input->param('showall');
+my $bornamefilter = $input->param('borname') || '';
+my $borcatfilter = $input->param('borcat') || '';
+my $itemtypefilter = $input->param('itemtype') || '';
+my $borflagsfilter = $input->param('borflag') || '';
+my $branchfilter = $input->param('branch') || '';
+my $op = $input->param('op') || '';
+my $dateduefrom = format_date_in_iso($input->param( 'dateduefrom' )) || '';
+my $datedueto = format_date_in_iso($input->param( 'datedueto' )) || '';
+# FIXME This is a kludge to include times
+if ($datedueto) {
+ $datedueto .= ' 23:59';
+}
+if ($dateduefrom) {
+ $dateduefrom .= ' 00:00';
+}
+# kludge end
+my $isfiltered = $op =~ /apply/i && $op =~ /filter/i;
+my $noreport = C4::Context->preference('FilterBeforeOverdueReport') && ! $isfiltered && $op ne "csv";
my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
{
query => $input,
type => "intranet",
authnotrequired => 0,
- flagsrequired => { reports => 1, circulate => 1 },
+ flagsrequired => { reports => 1, circulate => "circulate_remaining_permissions" },
debug => 1,
}
);
-my $dbh = C4::Context->dbh;
+my $dbh = C4::Context->dbh;
-# download the complete CSV
-if ($op eq 'csv') {
-warn "BRANCH : $branchfilter";
- my $csv = `../misc/cronjobs/overdue_notices.pl -csv -n -b $branchfilter`;
- print $input->header(-type => 'application/vnd.sun.xml.calc',
- -encoding => 'utf-8',
- -attachment=>"overdues.csv",
- -filename=>"overdues.csv" );
- print $csv;
- exit;
-}
my $req;
$req = $dbh->prepare( "select categorycode, description from categories order by description");
$req->execute;
my @borcatloop;
while (my ($catcode, $description) =$req->fetchrow) {
- my $selected = 1 if $catcode eq $borcatfilter;
- my %row =(value => $catcode,
- selected => $selected,
- catname => $description,
- );
- push @borcatloop, \%row;
+ push @borcatloop, {
+ value => $catcode,
+ selected => $catcode eq $borcatfilter ? 1 : 0,
+ catname => $description,
+ };
}
$req = $dbh->prepare( "select itemtype, description from itemtypes order by description");
$req->execute;
my @itemtypeloop;
while (my ($itemtype, $description) =$req->fetchrow) {
- my $selected = 1 if $itemtype eq $itemtypefilter;
- my %row =(value => $itemtype,
- selected => $selected,
+ push @itemtypeloop, {
+ value => $itemtype,
+ selected => $itemtype eq $itemtypefilter ? 1 : 0,
itemtypename => $description,
- );
- push @itemtypeloop, \%row;
+ };
}
my $onlymine=C4::Context->preference('IndependantBranches') &&
- C4::Context->userenv &&
- C4::Context->userenv->{flags}!=1 &&
+ C4::Context->userenv &&
+ C4::Context->userenv->{flags} % 2 !=1 &&
C4::Context->userenv->{branch};
-my $branches = GetBranches($onlymine);
-my @branchloop;
-
-foreach my $thisbranch ( sort keys %$branches ) {
- my %row = (
- value => $thisbranch,
- branchname => $branches->{$thisbranch}->{'branchname'},
- selected => ($branches->{$thisbranch}->{'branchcode'} eq $branchfilter)
- );
- push @branchloop, \%row;
+
+$branchfilter = C4::Context->userenv->{'branch'} if ($onlymine && !$branchfilter);
+
+# Filtering by Patron Attributes
+# @patron_attr_filter_loop is non empty if there are any patron attribute filters
+# %cgi_attrcode_to_attrvalues contains the patron attribute filter values, as returned by the CGI
+# %borrowernumber_to_attributes is populated by those borrowernumbers matching the patron attribute filters
+
+my %cgi_attrcode_to_attrvalues; # ( patron_attribute_code => [ zero or more attribute filter values from the CGI ] )
+for my $attrcode (grep { /^patron_attr_filter_/ } $input->param) {
+ if (my @attrvalues = grep { length($_) > 0 } $input->param($attrcode)) {
+ $attrcode =~ s/^patron_attr_filter_//;
+ $cgi_attrcode_to_attrvalues{$attrcode} = \@attrvalues;
+ print STDERR ">>>param($attrcode)[@{[scalar @attrvalues]}] = '@attrvalues'\n" if $debug;
+ }
}
-$branchfilter=C4::Context->userenv->{'branch'} if ($onlymine && !$branchfilter);
-
-$template->param( branchloop => \@branchloop,
- branchfilter => $branchfilter);
-$template->param(borcatloop=> \@borcatloop,
- itemtypeloop => \@itemtypeloop,
- branchloop=> \@branchloop,
- borname => $bornamefilter,
- order => $order,
- showall => $showall);
-
-my $duedate;
-my $borrowernumber;
-my $itemnum;
-my $data1;
-my $data2;
-my $data3;
-my $name;
-my $phone;
-my $email;
-my $title;
-my $author;
-
-my $todaysdate = sprintf("%-04.4d-%-02.2d-%02.2d", Today());
-
-$bornamefilter =~s/\*/\%/g;
-$bornamefilter =~s/\?/\_/g;
-
-my $strsth="SELECT date_due,concat(surname,' ', firstname) as borrower,
- borrowers.phone, borrowers.email,issues.itemnumber, items.barcode, biblio.title, biblio.author,borrowers.borrowernumber,biblio.biblionumber,borrowers.branchcode
- FROM issues
-LEFT JOIN borrowers ON (issues.borrowernumber=borrowers.borrowernumber )
-LEFT JOIN items ON (issues.itemnumber=items.itemnumber)
-LEFT JOIN biblioitems ON (biblioitems.biblioitemnumber=items.biblioitemnumber)
-LEFT JOIN biblio ON (biblio.biblionumber=items.biblionumber )
-WHERE 1=1 "; # placeholder, since it is possible that none of the additional
- # conditions will be selected by user
-$strsth.= " && date_due<'".$todaysdate."' " unless ($showall);
-$strsth.=" && (borrowers.firstname like '".$bornamefilter."%' or borrowers.surname like '".$bornamefilter."%' or borrowers.cardnumber like '".$bornamefilter."%')" if($bornamefilter) ;
-$strsth.=" && borrowers.categorycode = '".$borcatfilter."' " if($borcatfilter) ;
-$strsth.=" && biblioitems.itemtype = '".$itemtypefilter."' " if($itemtypefilter) ;
-$strsth.=" && borrowers.flags = '".$borflagsfilter."' " if ($borflagsfilter ne " ") ;
-$strsth.=" && borrowers.branchcode = '".$branchfilter."' " if($branchfilter) ;
-if ($order eq "borrower"){
- $strsth.=" ORDER BY borrower,date_due " ;
-} elsif ($order eq "title"){
- $strsth.=" ORDER BY title,date_due,borrower ";
-} elsif ($order eq "barcode"){
- $strsth.=" ORDER BY items.barcode,date_due,borrower ";
-}elsif ($order eq "borrower DESC"){
- $strsth.=" ORDER BY borrower desc,date_due " ;
-} elsif ($order eq "title DESC"){
- $strsth.=" ORDER BY title desc,date_due,borrower ";
-} elsif ($order eq "barcode DESC"){
- $strsth.=" ORDER BY items.barcode desc,date_due,borrower ";
-} elsif ($order eq "date_due DESC"){
- $strsth.=" ORDER BY date_due DESC,borrower ";
-} else {
- $strsth.=" ORDER BY date_due,borrower ";
+my $have_pattr_filter_data = keys(%cgi_attrcode_to_attrvalues) > 0;
+
+my @patron_attr_filter_loop; # array of [ domid cgivalue ismany isclone ordinal code description repeatable authorised_value_category ]
+my @patron_attr_order_loop; # array of { label => $patron_attr_label, value => $patron_attr_order }
+
+my @sort_roots = qw(borrower title barcode date_due);
+push @sort_roots, map {$_ . " desc"} @sort_roots;
+my @order_loop = ({selected => $order ? 0 : 1}); # initial blank row
+foreach (@sort_roots) {
+ my $tmpl_name = $_;
+ $tmpl_name =~ s/\s/_/g;
+ push @order_loop, {
+ selected => $order eq $_ ? 1 : 0,
+ ordervalue => $_,
+ 'order_' . $tmpl_name => 1,
+ };
}
-my $sth=$dbh->prepare($strsth);
-#warn "overdue.pl : query string ".$strsth;
+
+my $sth = $dbh->prepare('SELECT code,description,repeatable,authorised_value_category
+ FROM borrower_attribute_types
+ WHERE staff_searchable <> 0
+ ORDER BY description');
$sth->execute();
+my $ordinal = 0;
+while (my $row = $sth->fetchrow_hashref) {
+ $row->{ordinal} = $ordinal;
+ my $code = $row->{code};
+ my $cgivalues = $cgi_attrcode_to_attrvalues{$code} || [ '' ];
+ my $isclone = 0;
+ $row->{ismany} = @$cgivalues > 1;
+ my $serial = 0;
+ for (@$cgivalues) {
+ $row->{domid} = $ordinal * 1000 + $serial;
+ $row->{cgivalue} = $_;
+ $row->{isclone} = $isclone;
+ push @patron_attr_filter_loop, { %$row }; # careful: must store a *deep copy* of the modified row
+ } continue { $isclone = 1, ++$serial }
+ foreach my $sortorder ('asc', 'desc') {
+ my $ordervalue = "patron_attr_${sortorder}_${code}";
+ push @order_loop, {
+ selected => $order eq $ordervalue ? 1 : 0,
+ ordervalue => $ordervalue,
+ label => $row->{description},
+ $sortorder => 1,
+ };
+ }
+} continue { ++$ordinal }
+for (@patron_attr_order_loop) { $_->{selected} = 1 if $order eq $_->{value} }
+
+$template->param(ORDER_LOOP => \@order_loop);
-my @overduedata;
-while (my $data=$sth->fetchrow_hashref) {
- $duedate=$data->{'date_due'};
- $duedate = format_date($duedate);
- $itemnum=$data->{'itemnumber'};
-
- $name=$data->{'borrower'};
- $phone=$data->{'phone'};
- $email=$data->{'email'};
-
- $title=$data->{'title'};
- $author=$data->{'author'};
- push (@overduedata, {
- duedate => $duedate,
- borrowernumber => $data->{borrowernumber},
- barcode => $data->{barcode},
- itemnum => $itemnum,
- name => $name,
- phone => $phone,
- email => $email,
- biblionumber => $data->{'biblionumber'},
- title => $title,
- author => $author,
- branchcode => $data->{'branchcode'} });
+my %borrowernumber_to_attributes; # hash of { borrowernumber => { attrcode => [ [val,display], [val,display], ... ] } }
+ # i.e. val differs from display when attr is an authorised value
+if (@patron_attr_filter_loop) {
+ # MAYBE FIXME: currently, *all* borrower_attributes are loaded into %borrowernumber_to_attributes
+ # then filtered and honed down to match the patron attribute filters. If this is
+ # too resource intensive, MySQL can be used to do the filtering, i.e. rewire the
+ # SQL below to select only those attribute values that match the filters.
+
+ my $sql = q(SELECT borrowernumber AS bn, b.code, attribute AS val, category AS avcategory, lib AS avdescription
+ FROM borrower_attributes b
+ JOIN borrower_attribute_types bt ON (b.code = bt.code)
+ LEFT JOIN authorised_values a ON (a.category = bt.authorised_value_category AND a.authorised_value = b.attribute));
+ my $sth = $dbh->prepare($sql);
+ $sth->execute();
+ while (my $row = $sth->fetchrow_hashref) {
+ my $pattrs = $borrowernumber_to_attributes{$row->{bn}} ||= { };
+ push @{ $pattrs->{$row->{code}} }, [
+ $row->{val},
+ defined $row->{avdescription} ? $row->{avdescription} : $row->{val},
+ ];
+ }
+
+ for my $bn (keys %borrowernumber_to_attributes) {
+ my $pattrs = $borrowernumber_to_attributes{$bn};
+ my $keep = 1;
+ for my $code (keys %cgi_attrcode_to_attrvalues) {
+ # discard patrons that do not match (case insensitive) at least one of each attribute filter value
+ my $discard = 1;
+ for my $attrval (map { lc $_ } @{ $cgi_attrcode_to_attrvalues{$code} }) {
+ ## if (grep { $attrval eq lc($_->[0]) } @{ $pattrs->{$code} })
+ if (grep { $attrval eq lc($_->[1]) } @{ $pattrs->{$code} }) {
+ $discard = 0;
+ last;
+ }
+ }
+ if ($discard) {
+ $keep = 0;
+ last;
+ }
+ }
+ if ($debug) {
+ my $showkeep = $keep ? 'keep' : 'do NOT keep';
+ print STDERR ">>> patron $bn: $showkeep attributes: ";
+ for (sort keys %$pattrs) { my @a=map { "$_->[0]/$_->[1] " } @{$pattrs->{$_}}; print STDERR "attrcode $_ = [@a] " }
+ print STDERR "\n";
+ }
+ delete $borrowernumber_to_attributes{$bn} if !$keep;
+ }
}
+
$template->param(
- todaysdate => format_date($todaysdate),
- overdueloop => \@overduedata
+ patron_attr_header_loop => [ map { { header => $_->{description} } } grep { ! $_->{isclone} } @patron_attr_filter_loop ],
+ branchloop => GetBranchesLoop($branchfilter, $onlymine),
+ branchfilter => $branchfilter,
+ borcatloop=> \@borcatloop,
+ itemtypeloop => \@itemtypeloop,
+ patron_attr_filter_loop => \@patron_attr_filter_loop,
+ borname => $bornamefilter,
+ order => $order,
+ showall => $showall,
+ DHTMLcalendar_dateformat => C4::Dates->DHTMLcalendar(),
+ dateduefrom => $input->param( 'dateduefrom' ) || '',
+ datedueto => $input->param( 'datedueto' ) || '',
);
+if ($noreport) {
+ # la de dah ... page comes up presto-quicko
+ $template->param( noreport => $noreport );
+} else {
+ # FIXME : the left joins + where clauses make the following SQL query really slow with large datasets :(
+ #
+ # FIX 1: use the table with the least rows as first in the join, second least second, etc
+ # ref: http://www.fiftyfoureleven.com/weblog/web-development/programming-and-scripts/mysql-optimization-tip
+ #
+ # FIX 2: ensure there are indexes for columns participating in the WHERE clauses, where feasible/reasonable
+
+
+ my $today_dt = DateTime->now(time_zone => C4::Context->tz);
+ $today_dt->truncate(to => 'minutes');
+ my $todaysdate = $today_dt->strftime('%Y-%m-%d %H:%M');
+
+ $bornamefilter =~s/\*/\%/g;
+ $bornamefilter =~s/\?/\_/g;
+
+ my $strsth="SELECT date_due,
+ borrowers.title as borrowertitle,
+ borrowers.surname,
+ borrowers.firstname,
+ borrowers.streetnumber,
+ borrowers.streettype,
+ borrowers.address,
+ borrowers.address2,
+ borrowers.city,
+ borrowers.zipcode,
+ borrowers.country,
+ borrowers.phone,
+ borrowers.email,
+ issues.itemnumber,
+ issues.issuedate,
+ items.barcode,
+ biblio.title,
+ biblio.author,
+ borrowers.borrowernumber,
+ biblio.biblionumber,
+ borrowers.branchcode,
+ items.itemcallnumber,
+ items.replacementprice,
+ items.enumchron
+ FROM issues
+ LEFT JOIN borrowers ON (issues.borrowernumber=borrowers.borrowernumber )
+ LEFT JOIN items ON (issues.itemnumber=items.itemnumber)
+ LEFT JOIN biblioitems ON (biblioitems.biblioitemnumber=items.biblioitemnumber)
+ LEFT JOIN biblio ON (biblio.biblionumber=items.biblionumber )
+ WHERE 1=1 "; # placeholder, since it is possible that none of the additional
+ # conditions will be selected by user
+ $strsth.=" AND date_due < '" . $todaysdate . "' " unless ($showall);
+ $strsth.=" AND (borrowers.firstname like '".$bornamefilter."%' or borrowers.surname like '".$bornamefilter."%' or borrowers.cardnumber like '".$bornamefilter."%')" if($bornamefilter) ;
+ $strsth.=" AND borrowers.categorycode = '" . $borcatfilter . "' " if $borcatfilter;
+ if( $itemtypefilter ){
+ if( C4::Context->preference('item-level_itypes') ){
+ $strsth.=" AND items.itype = '" . $itemtypefilter . "' ";
+ } else {
+ $strsth.=" AND biblioitems.itemtype = '" . $itemtypefilter . "' ";
+ }
+ }
+ if ( $borflagsfilter eq 'gonenoaddress' ) {
+ $strsth .= " AND borrowers.gonenoaddress <> 0";
+ }
+ elsif ( $borflagsfilter eq 'debarred' ) {
+ $strsth .= " AND borrowers.debarred >= CURDATE()" ;
+ }
+ elsif ( $borflagsfilter eq 'lost') {
+ $strsth .= " AND borrowers.lost <> 0";
+ }
+ $strsth.=" AND borrowers.branchcode = '" . $branchfilter . "' " if $branchfilter;
+ $strsth.=" AND date_due < '" . $datedueto . "' " if $datedueto;
+ $strsth.=" AND date_due > '" . $dateduefrom . "' " if $dateduefrom;
+ # restrict patrons (borrowers) to those matching the patron attribute filter(s), if any
+ my $bnlist = $have_pattr_filter_data ? join(',',keys %borrowernumber_to_attributes) : '';
+ $strsth =~ s/WHERE 1=1/WHERE 1=1 AND borrowers.borrowernumber IN ($bnlist)/ if $bnlist;
+ $strsth =~ s/WHERE 1=1/WHERE 0=1/ if $have_pattr_filter_data && !$bnlist; # no match if no borrowers matched patron attrs
+ $strsth.=" ORDER BY " . (
+ ($order eq "borrower") ? "surname, firstname, date_due" :
+ ($order eq "borrower desc") ? "surname desc, firstname desc, date_due" :
+ ($order eq "title" or $order eq "title desc") ? "$order, date_due, surname, firstname" :
+ ($order eq "barcode" or $order eq "barcode desc") ? "items.$order, date_due, surname, firstname" :
+ ($order eq "date_due desc") ? "date_due DESC, surname, firstname" :
+ "date_due, surname, firstname" # default sort order
+ );
+ $template->param(sql=>$strsth);
+ my $sth=$dbh->prepare($strsth);
+ #warn "overdue.pl : query string ".$strsth;
+ $sth->execute();
+
+ my @overduedata;
+ while (my $data = $sth->fetchrow_hashref) {
+
+ # most of the overdue report data is linked to the database schema, i.e. things like borrowernumber and phone
+ # but the patron attributes (patron_attr_value_loop) are unnormalised and varies dynamically from one db to the next
+
+ my $pattrs = $borrowernumber_to_attributes{$data->{borrowernumber}} || {}; # patron attrs for this borrower
+ # $pattrs is a hash { attrcode => [ [value,displayvalue], [value,displayvalue]... ] }
+
+ my @patron_attr_value_loop; # template array [ {value=>v1}, {value=>v2} ... } ]
+ for my $pattr_filter (grep { ! $_->{isclone} } @patron_attr_filter_loop) {
+ my @displayvalues = map { $_->[1] } @{ $pattrs->{$pattr_filter->{code}} }; # grab second value from each subarray
+ push @patron_attr_value_loop, { value => join(', ', sort { lc $a cmp lc $b } @displayvalues) };
+ }
+ my $dt = dt_from_string($data->{date_due}, 'sql');
+
+ push @overduedata, {
+ duedate => output_pref($dt),
+ borrowernumber => $data->{borrowernumber},
+ barcode => $data->{barcode},
+ itemnum => $data->{itemnumber},
+ issuedate => format_date($data->{issuedate}),
+ borrowertitle => $data->{borrowertitle},
+ surname => $data->{surname},
+ firstname => $data->{firstname},
+ streetnumber => $data->{streetnumber},
+ streettype => $data->{streettype},
+ address => $data->{address},
+ address2 => $data->{address2},
+ city => $data->{city},
+ zipcode => $data->{zipcode},
+ country => $data->{country},
+ phone => $data->{phone},
+ email => $data->{email},
+ biblionumber => $data->{biblionumber},
+ title => $data->{title},
+ author => $data->{author},
+ branchcode => $data->{branchcode},
+ itemcallnumber => $data->{itemcallnumber},
+ replacementprice => $data->{replacementprice},
+ enumchron => $data->{enumchron},
+ patron_attr_value_loop => \@patron_attr_value_loop,
+ };
+ }
+
+ my ($attrorder) = $order =~ /patron_attr_(.*)$/;
+ my $patrorder = '';
+ my $sortorder = 'asc';
+ if (defined $attrorder) {
+ ($sortorder, $patrorder) = split /_/, $attrorder, 2;
+ }
+ print STDERR ">>> order is $order, patrorder is $patrorder, sortorder is $sortorder\n" if $debug;
+
+ if (my @attrtype = grep { $_->{'code'} eq $patrorder } @patron_attr_filter_loop) { # sort by patron attrs perhaps?
+ my $ordinal = $attrtype[0]{ordinal};
+ print STDERR ">>> sort ordinal is $ordinal\n" if $debug;
+
+ sub patronattr_sorter_asc {
+ lc $a->{patron_attr_value_loop}[$ordinal]{value}
+ cmp
+ lc $b->{patron_attr_value_loop}[$ordinal]{value} }
+
+ sub patronattr_sorter_des { -patronattr_sorter_asc() }
+
+ my $sorter = $sortorder eq 'desc' ? \&patronattr_sorter_des : \&patronattr_sorter_asc;
+ @overduedata = sort $sorter @overduedata;
+ }
+
+ if ($op eq 'csv') {
+ binmode(STDOUT, ":encoding(UTF-8)");
+ my $csv = build_csv(\@overduedata);
+ print $input->header(-type => 'application/vnd.sun.xml.calc',
+ -encoding => 'utf-8',
+ -attachment=>"overdues.csv",
+ -filename=>"overdues.csv" );
+ print $csv;
+ exit;
+ }
+
+ # generate parameter list for CSV download link
+ my $new_cgi = CGI->new($input);
+ $new_cgi->delete('op');
+ my $csv_param_string = $new_cgi->query_string();
+
+ $template->param(
+ csv_param_string => $csv_param_string,
+ todaysdate => output_pref($today_dt),
+ overdueloop => \@overduedata,
+ nnoverdue => scalar(@overduedata),
+ noverdue_is_plural => scalar(@overduedata) != 1,
+ noreport => $noreport,
+ isfiltered => $isfiltered,
+ borflag_gonenoaddress => $borflagsfilter eq 'gonenoaddress',
+ borflag_debarred => $borflagsfilter eq 'debarred',
+ borflag_lost => $borflagsfilter eq 'lost',
+ );
+
+}
+
output_html_with_http_headers $input, $cookie, $template->output;
+
+
+sub build_csv {
+ my $overdues = shift;
+
+ return "" if scalar(@$overdues) == 0;
+
+ my @lines = ();
+
+ # build header ...
+ my @keys = qw /duedate title author borrowertitle firstname surname phone barcode email address address2 zipcode city country
+ branchcode itemcallnumber biblionumber borrowernumber itemnum issuedate replacementprice streetnumber streettype/;
+ my $csv = Text::CSV_XS->new();
+ $csv->combine(@keys);
+ push @lines, $csv->string();
+
+ # ... and rest of report
+ foreach my $overdue ( @{ $overdues } ) {
+ push @lines, $csv->string() if $csv->combine(map { $overdue->{$_} } @keys);
+ }
+
+ return join("\n", @lines) . "\n";
+}