Bug 11577: Add "Automatic renewal" to the circulation and fine rules
[koha.git] / admin / smart-rules.pl
1 #!/usr/bin/perl
2 # Copyright 2000-2002 Katipo Communications
3 # copyright 2010 BibLibre
4 #
5 # This file is part of Koha.
6 #
7 # Koha is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU General Public License as published by the Free Software
9 # Foundation; either version 2 of the License, or (at your option) any later
10 # version.
11 #
12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License along
17 # with Koha; if not, write to the Free Software Foundation, Inc.,
18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19
20 use strict;
21 use warnings;
22 use CGI;
23 use C4::Context;
24 use C4::Output;
25 use C4::Auth;
26 use C4::Koha;
27 use C4::Debug;
28 use C4::Branch; # GetBranches
29 use C4::Dates qw/format_date format_date_in_iso/;
30
31 my $input = CGI->new;
32 my $dbh = C4::Context->dbh;
33
34 # my $flagsrequired;
35 # $flagsrequired->{circulation}=1;
36 my ($template, $loggedinuser, $cookie)
37     = get_template_and_user({template_name => "admin/smart-rules.tt",
38                             query => $input,
39                             type => "intranet",
40                             authnotrequired => 0,
41                             flagsrequired => {parameters => 'manage_circ_rules'},
42                             debug => 1,
43                             });
44
45 my $type=$input->param('type');
46 my $branch = $input->param('branch') || ( C4::Branch::onlymine() ? ( C4::Branch::mybranch() || '*' ) : '*' );
47 my $op = $input->param('op') || q{};
48
49 if ($op eq 'delete') {
50     my $itemtype     = $input->param('itemtype');
51     my $categorycode = $input->param('categorycode');
52     $debug and warn "deleting $1 $2 $branch";
53
54     my $sth_Idelete = $dbh->prepare("delete from issuingrules where branchcode=? and categorycode=? and itemtype=?");
55     $sth_Idelete->execute($branch, $categorycode, $itemtype);
56 }
57 elsif ($op eq 'delete-branch-cat') {
58     my $categorycode  = $input->param('categorycode');
59     if ($branch eq "*") {
60         if ($categorycode eq "*") {
61             my $sth_delete = $dbh->prepare("DELETE FROM default_circ_rules");
62             $sth_delete->execute();
63         } else {
64             my $sth_delete = $dbh->prepare("DELETE FROM default_borrower_circ_rules
65                                             WHERE categorycode = ?");
66             $sth_delete->execute($categorycode);
67         }
68     } elsif ($categorycode eq "*") {
69         my $sth_delete = $dbh->prepare("DELETE FROM default_branch_circ_rules
70                                         WHERE branchcode = ?");
71         $sth_delete->execute($branch);
72     } else {
73         my $sth_delete = $dbh->prepare("DELETE FROM branch_borrower_circ_rules
74                                         WHERE branchcode = ?
75                                         AND categorycode = ?");
76         $sth_delete->execute($branch, $categorycode);
77     }
78 }
79 elsif ($op eq 'delete-branch-item') {
80     my $itemtype  = $input->param('itemtype');
81     if ($branch eq "*") {
82         if ($itemtype eq "*") {
83             my $sth_delete = $dbh->prepare("DELETE FROM default_circ_rules");
84             $sth_delete->execute();
85         } else {
86             my $sth_delete = $dbh->prepare("DELETE FROM default_branch_item_rules
87                                             WHERE itemtype = ?");
88             $sth_delete->execute($itemtype);
89         }
90     } elsif ($itemtype eq "*") {
91         my $sth_delete = $dbh->prepare("DELETE FROM default_branch_circ_rules
92                                         WHERE branchcode = ?");
93         $sth_delete->execute($branch);
94     } else {
95         my $sth_delete = $dbh->prepare("DELETE FROM branch_item_rules
96                                         WHERE branchcode = ?
97                                         AND itemtype = ?");
98         $sth_delete->execute($branch, $itemtype);
99     }
100 }
101 # save the values entered
102 elsif ($op eq 'add') {
103     my $sth_search = $dbh->prepare('SELECT COUNT(*) AS total FROM issuingrules WHERE branchcode=? AND categorycode=? AND itemtype=?');
104     my $sth_insert = $dbh->prepare('INSERT INTO issuingrules (branchcode, categorycode, itemtype, maxissueqty, renewalsallowed, renewalperiod, norenewalbefore, auto_renew, reservesallowed, issuelength, lengthunit, hardduedate, hardduedatecompare, fine, finedays, maxsuspensiondays, firstremind, chargeperiod,rentaldiscount, overduefinescap) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)');
105     my $sth_update=$dbh->prepare("UPDATE issuingrules SET fine=?, finedays=?, maxsuspensiondays=?, firstremind=?, chargeperiod=?, maxissueqty=?, renewalsallowed=?, renewalperiod=?, norenewalbefore=?, auto_renew=?, reservesallowed=?, issuelength=?, lengthunit = ?, hardduedate=?, hardduedatecompare=?, rentaldiscount=?, overduefinescap=?  WHERE branchcode=? AND categorycode=? AND itemtype=?");
106     
107     my $br = $branch; # branch
108     my $bor  = $input->param('categorycode'); # borrower category
109     my $cat  = $input->param('itemtype');     # item type
110     my $fine = $input->param('fine');
111     my $finedays     = $input->param('finedays');
112     my $maxsuspensiondays = $input->param('maxsuspensiondays');
113     $maxsuspensiondays = undef if $maxsuspensiondays eq q||;
114     my $firstremind  = $input->param('firstremind');
115     my $chargeperiod = $input->param('chargeperiod');
116     my $maxissueqty  = $input->param('maxissueqty');
117     my $renewalsallowed  = $input->param('renewalsallowed');
118     my $renewalperiod    = $input->param('renewalperiod');
119     my $norenewalbefore  = $input->param('norenewalbefore');
120     $norenewalbefore = undef if $norenewalbefore eq '0' or $norenewalbefore =~ /^\s*$/;
121     my $auto_renew = $input->param('auto_renew') eq 'yes' ? 1 : 0;
122     my $reservesallowed  = $input->param('reservesallowed');
123     $maxissueqty =~ s/\s//g;
124     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
125     my $issuelength  = $input->param('issuelength');
126     my $lengthunit  = $input->param('lengthunit');
127     my $hardduedate = $input->param('hardduedate');
128     $hardduedate = format_date_in_iso($hardduedate);
129     my $hardduedatecompare = $input->param('hardduedatecompare');
130     my $rentaldiscount = $input->param('rentaldiscount');
131     my $overduefinescap = $input->param('overduefinescap') || undef;
132     $debug and warn "Adding $br, $bor, $cat, $fine, $maxissueqty";
133
134     $sth_search->execute($br,$bor,$cat);
135     my $res = $sth_search->fetchrow_hashref();
136     if ($res->{total}) {
137         $sth_update->execute($fine, $finedays, $maxsuspensiondays, $firstremind, $chargeperiod, $maxissueqty, $renewalsallowed, $renewalperiod, $norenewalbefore, $auto_renew, $reservesallowed, $issuelength,$lengthunit, $hardduedate,$hardduedatecompare,$rentaldiscount,$overduefinescap, $br,$bor,$cat);
138     } else {
139         $sth_insert->execute($br,$bor,$cat,$maxissueqty,$renewalsallowed, $renewalperiod, $norenewalbefore, $auto_renew, $reservesallowed,$issuelength,$lengthunit,$hardduedate,$hardduedatecompare,$fine,$finedays, $maxsuspensiondays, $firstremind,$chargeperiod,$rentaldiscount,$overduefinescap);
140     }
141
142 elsif ($op eq "set-branch-defaults") {
143     my $categorycode  = $input->param('categorycode');
144     my $maxissueqty   = $input->param('maxissueqty');
145     my $holdallowed   = $input->param('holdallowed');
146     my $returnbranch  = $input->param('returnbranch');
147     $maxissueqty =~ s/\s//g;
148     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
149     $holdallowed =~ s/\s//g;
150     $holdallowed = undef if $holdallowed !~ /^\d+/;
151
152     if ($branch eq "*") {
153         my $sth_search = $dbh->prepare("SELECT count(*) AS total
154                                         FROM default_circ_rules");
155         my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
156                                         (maxissueqty, holdallowed, returnbranch)
157                                         VALUES (?, ?, ?)");
158         my $sth_update = $dbh->prepare("UPDATE default_circ_rules
159                                         SET maxissueqty = ?, holdallowed = ?, returnbranch = ?");
160
161         $sth_search->execute();
162         my $res = $sth_search->fetchrow_hashref();
163         if ($res->{total}) {
164             $sth_update->execute($maxissueqty, $holdallowed, $returnbranch);
165         } else {
166             $sth_insert->execute($maxissueqty, $holdallowed, $returnbranch);
167         }
168     } else {
169         my $sth_search = $dbh->prepare("SELECT count(*) AS total
170                                         FROM default_branch_circ_rules
171                                         WHERE branchcode = ?");
172         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
173                                         (branchcode, maxissueqty, holdallowed, returnbranch)
174                                         VALUES (?, ?, ?, ?)");
175         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
176                                         SET maxissueqty = ?, holdallowed = ?, returnbranch = ?
177                                         WHERE branchcode = ?");
178         $sth_search->execute($branch);
179         my $res = $sth_search->fetchrow_hashref();
180         if ($res->{total}) {
181             $sth_update->execute($maxissueqty, $holdallowed, $returnbranch, $branch);
182         } else {
183             $sth_insert->execute($branch, $maxissueqty, $holdallowed, $returnbranch);
184         }
185     }
186 }
187 elsif ($op eq "add-branch-cat") {
188     my $categorycode  = $input->param('categorycode');
189     my $maxissueqty   = $input->param('maxissueqty');
190     $maxissueqty =~ s/\s//g;
191     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
192
193     if ($branch eq "*") {
194         if ($categorycode eq "*") {
195             my $sth_search = $dbh->prepare("SELECT count(*) AS total
196                                             FROM default_circ_rules");
197             my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
198                                             (maxissueqty)
199                                             VALUES (?)");
200             my $sth_update = $dbh->prepare("UPDATE default_circ_rules
201                                             SET maxissueqty = ?");
202
203             $sth_search->execute();
204             my $res = $sth_search->fetchrow_hashref();
205             if ($res->{total}) {
206                 $sth_update->execute($maxissueqty);
207             } else {
208                 $sth_insert->execute($maxissueqty);
209             }
210         } else {
211             my $sth_search = $dbh->prepare("SELECT count(*) AS total
212                                             FROM default_borrower_circ_rules
213                                             WHERE categorycode = ?");
214             my $sth_insert = $dbh->prepare("INSERT INTO default_borrower_circ_rules
215                                             (categorycode, maxissueqty)
216                                             VALUES (?, ?)");
217             my $sth_update = $dbh->prepare("UPDATE default_borrower_circ_rules
218                                             SET maxissueqty = ?
219                                             WHERE categorycode = ?");
220             $sth_search->execute($branch);
221             my $res = $sth_search->fetchrow_hashref();
222             if ($res->{total}) {
223                 $sth_update->execute($maxissueqty, $categorycode);
224             } else {
225                 $sth_insert->execute($categorycode, $maxissueqty);
226             }
227         }
228     } elsif ($categorycode eq "*") {
229         my $sth_search = $dbh->prepare("SELECT count(*) AS total
230                                         FROM default_branch_circ_rules
231                                         WHERE branchcode = ?");
232         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
233                                         (branchcode, maxissueqty)
234                                         VALUES (?, ?)");
235         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
236                                         SET maxissueqty = ?
237                                         WHERE branchcode = ?");
238         $sth_search->execute($branch);
239         my $res = $sth_search->fetchrow_hashref();
240         if ($res->{total}) {
241             $sth_update->execute($maxissueqty, $branch);
242         } else {
243             $sth_insert->execute($branch, $maxissueqty);
244         }
245     } else {
246         my $sth_search = $dbh->prepare("SELECT count(*) AS total
247                                         FROM branch_borrower_circ_rules
248                                         WHERE branchcode = ?
249                                         AND   categorycode = ?");
250         my $sth_insert = $dbh->prepare("INSERT INTO branch_borrower_circ_rules
251                                         (branchcode, categorycode, maxissueqty)
252                                         VALUES (?, ?, ?)");
253         my $sth_update = $dbh->prepare("UPDATE branch_borrower_circ_rules
254                                         SET maxissueqty = ?
255                                         WHERE branchcode = ?
256                                         AND categorycode = ?");
257
258         $sth_search->execute($branch, $categorycode);
259         my $res = $sth_search->fetchrow_hashref();
260         if ($res->{total}) {
261             $sth_update->execute($maxissueqty, $branch, $categorycode);
262         } else {
263             $sth_insert->execute($branch, $categorycode, $maxissueqty);
264         }
265     }
266 }
267 elsif ($op eq "add-branch-item") {
268     my $itemtype  = $input->param('itemtype');
269     my $holdallowed   = $input->param('holdallowed');
270     my $returnbranch  = $input->param('returnbranch');
271     $holdallowed =~ s/\s//g;
272     $holdallowed = undef if $holdallowed !~ /^\d+/;
273
274     if ($branch eq "*") {
275         if ($itemtype eq "*") {
276             my $sth_search = $dbh->prepare("SELECT count(*) AS total
277                                             FROM default_circ_rules");
278             my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
279                                             (holdallowed, returnbranch)
280                                             VALUES (?, ?)");
281             my $sth_update = $dbh->prepare("UPDATE default_circ_rules
282                                             SET holdallowed = ?, returnbranch = ?");
283
284             $sth_search->execute();
285             my $res = $sth_search->fetchrow_hashref();
286             if ($res->{total}) {
287                 $sth_update->execute($holdallowed, $returnbranch);
288             } else {
289                 $sth_insert->execute($holdallowed, $returnbranch);
290             }
291         } else {
292             my $sth_search = $dbh->prepare("SELECT count(*) AS total
293                                             FROM default_branch_item_rules
294                                             WHERE itemtype = ?");
295             my $sth_insert = $dbh->prepare("INSERT INTO default_branch_item_rules
296                                             (itemtype, holdallowed, returnbranch)
297                                             VALUES (?, ?, ?)");
298             my $sth_update = $dbh->prepare("UPDATE default_branch_item_rules
299                                             SET holdallowed = ?, returnbranch = ?
300                                             WHERE itemtype = ?");
301             $sth_search->execute($itemtype);
302             my $res = $sth_search->fetchrow_hashref();
303             if ($res->{total}) {
304                 $sth_update->execute($holdallowed, $returnbranch, $itemtype);
305             } else {
306                 $sth_insert->execute($itemtype, $holdallowed, $returnbranch);
307             }
308         }
309     } elsif ($itemtype eq "*") {
310         my $sth_search = $dbh->prepare("SELECT count(*) AS total
311                                         FROM default_branch_circ_rules
312                                         WHERE branchcode = ?");
313         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
314                                         (branchcode, holdallowed, returnbranch)
315                                         VALUES (?, ?, ?)");
316         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
317                                         SET holdallowed = ?, returnbranch = ?
318                                         WHERE branchcode = ?");
319         $sth_search->execute($branch);
320         my $res = $sth_search->fetchrow_hashref();
321         if ($res->{total}) {
322             $sth_update->execute($holdallowed, $returnbranch, $branch);
323         } else {
324             $sth_insert->execute($branch, $holdallowed, $returnbranch);
325         }
326     } else {
327         my $sth_search = $dbh->prepare("SELECT count(*) AS total
328                                         FROM branch_item_rules
329                                         WHERE branchcode = ?
330                                         AND   itemtype = ?");
331         my $sth_insert = $dbh->prepare("INSERT INTO branch_item_rules
332                                         (branchcode, itemtype, holdallowed, returnbranch)
333                                         VALUES (?, ?, ?, ?)");
334         my $sth_update = $dbh->prepare("UPDATE branch_item_rules
335                                         SET holdallowed = ?, returnbranch = ?
336                                         WHERE branchcode = ?
337                                         AND itemtype = ?");
338
339         $sth_search->execute($branch, $itemtype);
340         my $res = $sth_search->fetchrow_hashref();
341         if ($res->{total}) {
342             $sth_update->execute($holdallowed, $returnbranch, $branch, $itemtype);
343         } else {
344             $sth_insert->execute($branch, $itemtype, $holdallowed, $returnbranch);
345         }
346     }
347 }
348
349 my $branches = GetBranches();
350 my @branchloop;
351 for my $thisbranch (sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} } keys %$branches) {
352     push @branchloop, {
353         value      => $thisbranch,
354         selected   => $thisbranch eq $branch,
355         branchname => $branches->{$thisbranch}->{'branchname'},
356     };
357 }
358
359 my $sth=$dbh->prepare("SELECT description,categorycode FROM categories ORDER BY description");
360 $sth->execute;
361 my @category_loop;
362 while (my $data=$sth->fetchrow_hashref){
363     push @category_loop,$data;
364 }
365
366 $sth->finish;
367 $sth=$dbh->prepare("SELECT description,itemtype FROM itemtypes ORDER BY description");
368 $sth->execute;
369 # $i=0;
370 my @row_loop;
371 my @itemtypes;
372 while (my $row=$sth->fetchrow_hashref){
373     push @itemtypes,$row;
374 }
375
376 my $sth2 = $dbh->prepare("
377     SELECT issuingrules.*, itemtypes.description AS humanitemtype, categories.description AS humancategorycode
378     FROM issuingrules
379     LEFT JOIN itemtypes
380         ON (itemtypes.itemtype = issuingrules.itemtype)
381     LEFT JOIN categories
382         ON (categories.categorycode = issuingrules.categorycode)
383     WHERE issuingrules.branchcode = ?
384 ");
385 $sth2->execute($branch);
386
387 while (my $row = $sth2->fetchrow_hashref) {
388     $row->{'current_branch'} ||= $row->{'branchcode'};
389     $row->{'humanitemtype'} ||= $row->{'itemtype'};
390     $row->{'default_humanitemtype'} = 1 if $row->{'humanitemtype'} eq '*';
391     $row->{'humancategorycode'} ||= $row->{'categorycode'};
392     $row->{'default_humancategorycode'} = 1 if $row->{'humancategorycode'} eq '*';
393     $row->{'fine'} = sprintf('%.2f', $row->{'fine'});
394     if ($row->{'hardduedate'} ne '0000-00-00') {
395        $row->{'hardduedate'} = format_date( $row->{'hardduedate'});
396        $row->{'hardduedatebefore'} = 1 if ($row->{'hardduedatecompare'} == -1);
397        $row->{'hardduedateexact'} = 1 if ($row->{'hardduedatecompare'} ==  0);
398        $row->{'hardduedateafter'} = 1 if ($row->{'hardduedatecompare'} ==  1);
399     } else {
400        $row->{'hardduedate'} = 0;
401     }
402     push @row_loop, $row;
403 }
404 $sth->finish;
405
406 my @sorted_row_loop = sort by_category_and_itemtype @row_loop;
407
408 my $sth_branch_cat;
409 if ($branch eq "*") {
410     $sth_branch_cat = $dbh->prepare("
411         SELECT default_borrower_circ_rules.*, categories.description AS humancategorycode
412         FROM default_borrower_circ_rules
413         JOIN categories USING (categorycode)
414         
415     ");
416     $sth_branch_cat->execute();
417 } else {
418     $sth_branch_cat = $dbh->prepare("
419         SELECT branch_borrower_circ_rules.*, categories.description AS humancategorycode
420         FROM branch_borrower_circ_rules
421         JOIN categories USING (categorycode)
422         WHERE branch_borrower_circ_rules.branchcode = ?
423     ");
424     $sth_branch_cat->execute($branch);
425 }
426
427 my @branch_cat_rules = ();
428 while (my $row = $sth_branch_cat->fetchrow_hashref) {
429     push @branch_cat_rules, $row;
430 }
431 my @sorted_branch_cat_rules = sort { $a->{'humancategorycode'} cmp $b->{'humancategorycode'} } @branch_cat_rules;
432
433 # note undef maxissueqty so that template can deal with them
434 foreach my $entry (@sorted_branch_cat_rules, @sorted_row_loop) {
435     $entry->{unlimited_maxissueqty} = 1 unless defined($entry->{maxissueqty});
436 }
437
438 @sorted_row_loop = sort by_category_and_itemtype @row_loop;
439
440 my $sth_branch_item;
441 if ($branch eq "*") {
442     $sth_branch_item = $dbh->prepare("
443         SELECT default_branch_item_rules.*, itemtypes.description AS humanitemtype
444         FROM default_branch_item_rules
445         JOIN itemtypes USING (itemtype)
446     ");
447     $sth_branch_item->execute();
448 } else {
449     $sth_branch_item = $dbh->prepare("
450         SELECT branch_item_rules.*, itemtypes.description AS humanitemtype
451         FROM branch_item_rules
452         JOIN itemtypes USING (itemtype)
453         WHERE branch_item_rules.branchcode = ?
454     ");
455     $sth_branch_item->execute($branch);
456 }
457
458 my @branch_item_rules = ();
459 while (my $row = $sth_branch_item->fetchrow_hashref) {
460     push @branch_item_rules, $row;
461 }
462 my @sorted_branch_item_rules = sort { $a->{'humanitemtype'} cmp $b->{'humanitemtype'} } @branch_item_rules;
463
464 # note undef holdallowed so that template can deal with them
465 foreach my $entry (@sorted_branch_item_rules) {
466     $entry->{holdallowed_any} = 1 if($entry->{holdallowed} == 2);
467     $entry->{holdallowed_same} = 1 if($entry->{holdallowed} == 1);
468 }
469
470 $template->param(show_branch_cat_rule_form => 1);
471 $template->param(branch_item_rule_loop => \@sorted_branch_item_rules);
472 $template->param(branch_cat_rule_loop => \@sorted_branch_cat_rules);
473
474 my $sth_defaults;
475 if ($branch eq "*") {
476     $sth_defaults = $dbh->prepare("
477         SELECT *
478         FROM default_circ_rules
479     ");
480     $sth_defaults->execute();
481 } else {
482     $sth_defaults = $dbh->prepare("
483         SELECT *
484         FROM default_branch_circ_rules
485         WHERE branchcode = ?
486     ");
487     $sth_defaults->execute($branch);
488 }
489
490 my $defaults = $sth_defaults->fetchrow_hashref;
491
492 if ($defaults) {
493     $template->param(default_holdallowed_none => 1) if($defaults->{holdallowed} == 0);
494     $template->param(default_holdallowed_same => 1) if($defaults->{holdallowed} == 1);
495     $template->param(default_holdallowed_any => 1) if($defaults->{holdallowed} == 2);
496     $template->param(default_maxissueqty => $defaults->{maxissueqty});
497     $template->param(default_returnbranch => $defaults->{returnbranch});
498 }
499
500 $template->param(default_rules => ($defaults ? 1 : 0));
501
502 $template->param(categoryloop => \@category_loop,
503                         itemtypeloop => \@itemtypes,
504                         rules => \@sorted_row_loop,
505                         branchloop => \@branchloop,
506                         humanbranch => ($branch ne '*' ? $branches->{$branch}->{branchname} : ''),
507                         current_branch => $branch,
508                         definedbranch => scalar(@sorted_row_loop)>0 
509                         );
510 output_html_with_http_headers $input, $cookie, $template->output;
511
512 exit 0;
513
514 # sort by patron category, then item type, putting
515 # default entries at the bottom
516 sub by_category_and_itemtype {
517     unless (by_category($a, $b)) {
518         return by_itemtype($a, $b);
519     }
520 }
521
522 sub by_category {
523     my ($a, $b) = @_;
524     if ($a->{'default_humancategorycode'}) {
525         return ($b->{'default_humancategorycode'} ? 0 : 1);
526     } elsif ($b->{'default_humancategorycode'}) {
527         return -1;
528     } else {
529         return $a->{'humancategorycode'} cmp $b->{'humancategorycode'};
530     }
531 }
532
533 sub by_itemtype {
534     my ($a, $b) = @_;
535     if ($a->{'default_humanitemtype'}) {
536         return ($b->{'default_humanitemtype'} ? 0 : 1);
537     } elsif ($b->{'default_humanitemtype'}) {
538         return -1;
539     } else {
540         return $a->{'humanitemtype'} cmp $b->{'humanitemtype'};
541     }
542 }