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.tmpl",
  38                             query => $input,
  39                             type => "intranet",
  40                             authnotrequired => 0,
  41                             flagsrequired => {parameters => 1},
  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 = $input->param('op');
  48
  49 if ($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, reservesallowed, issuelength, lengthunit, hardduedate, hardduedatecompare, fine, finedays, firstremind, chargeperiod,rentaldiscount) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)');
 105     my $sth_update=$dbh->prepare("UPDATE issuingrules SET fine=?, finedays=?, firstremind=?, chargeperiod=?, maxissueqty=?, renewalsallowed=?, reservesallowed=?, issuelength=?, lengthunit = ?, hardduedate=?, hardduedatecompare=?, rentaldiscount=?  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 $firstremind  = $input->param('firstremind');
 113     my $chargeperiod = $input->param('chargeperiod');
 114     my $maxissueqty  = $input->param('maxissueqty');
 115     my $renewalsallowed  = $input->param('renewalsallowed');
 116     my $reservesallowed  = $input->param('reservesallowed');
 117     $maxissueqty =~ s/\s//g;
 118     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
 119     my $issuelength  = $input->param('issuelength');
 120     my $lengthunit  = $input->param('lengthunit');
 121     my $hardduedate = $input->param('hardduedate');
 122     $hardduedate = format_date_in_iso($hardduedate);
 123     my $hardduedatecompare = $input->param('hardduedatecompare');
 124     my $rentaldiscount = $input->param('rentaldiscount');
 125     $debug and warn "Adding $br, $bor, $cat, $fine, $maxissueqty";
 126
 127     $sth_search->execute($br,$bor,$cat);
 128     my $res = $sth_search->fetchrow_hashref();
 129     if ($res->{total}) {
 130         $sth_update->execute($fine, $finedays,$firstremind, $chargeperiod, $maxissueqty, $renewalsallowed,$reservesallowed, $issuelength,$lengthunit, $hardduedate,$hardduedatecompare,$rentaldiscount, $br,$bor,$cat);
 131     } else {
 132         $sth_insert->execute($br,$bor,$cat,$maxissueqty,$renewalsallowed,$reservesallowed,$issuelength,$lengthunit,$hardduedate,$hardduedatecompare,$fine,$finedays,$firstremind,$chargeperiod,$rentaldiscount);
 133     }
 134 }
 135 elsif ($op eq "set-branch-defaults") {
 136     my $categorycode  = $input->param('categorycode');
 137     my $maxissueqty   = $input->param('maxissueqty');
 138     my $holdallowed   = $input->param('holdallowed');
 139     my $returnbranch  = $input->param('returnbranch');
 140     $maxissueqty =~ s/\s//g;
 141     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
 142     $holdallowed =~ s/\s//g;
 143     $holdallowed = undef if $holdallowed !~ /^\d+/;
 144
 145     if ($branch eq "*") {
 146         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 147                                         FROM default_circ_rules");
 148         my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
 149                                         (maxissueqty, holdallowed, returnbranch)
 150                                         VALUES (?, ?, ?)");
 151         my $sth_update = $dbh->prepare("UPDATE default_circ_rules
 152                                         SET maxissueqty = ?, holdallowed = ?, returnbranch = ?");
 153
 154         $sth_search->execute();
 155         my $res = $sth_search->fetchrow_hashref();
 156         if ($res->{total}) {
 157             $sth_update->execute($maxissueqty, $holdallowed, $returnbranch);
 158         } else {
 159             $sth_insert->execute($maxissueqty, $holdallowed, $returnbranch);
 160         }
 161     } else {
 162         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 163                                         FROM default_branch_circ_rules
 164                                         WHERE branchcode = ?");
 165         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
 166                                         (branchcode, maxissueqty, holdallowed, returnbranch)
 167                                         VALUES (?, ?, ?, ?)");
 168         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
 169                                         SET maxissueqty = ?, holdallowed = ?, returnbranch = ?
 170                                         WHERE branchcode = ?");
 171         $sth_search->execute($branch);
 172         my $res = $sth_search->fetchrow_hashref();
 173         if ($res->{total}) {
 174             $sth_update->execute($maxissueqty, $holdallowed, $returnbranch, $branch);
 175         } else {
 176             $sth_insert->execute($branch, $maxissueqty, $holdallowed, $returnbranch);
 177         }
 178     }
 179 }
 180 elsif ($op eq "add-branch-cat") {
 181     my $categorycode  = $input->param('categorycode');
 182     my $maxissueqty   = $input->param('maxissueqty');
 183     $maxissueqty =~ s/\s//g;
 184     $maxissueqty = undef if $maxissueqty !~ /^\d+/;
 185
 186     if ($branch eq "*") {
 187         if ($categorycode eq "*") {
 188             my $sth_search = $dbh->prepare("SELECT count(*) AS total
 189                                             FROM default_circ_rules");
 190             my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
 191                                             (maxissueqty)
 192                                             VALUES (?)");
 193             my $sth_update = $dbh->prepare("UPDATE default_circ_rules
 194                                             SET maxissueqty = ?");
 195
 196             $sth_search->execute();
 197             my $res = $sth_search->fetchrow_hashref();
 198             if ($res->{total}) {
 199                 $sth_update->execute($maxissueqty);
 200             } else {
 201                 $sth_insert->execute($maxissueqty);
 202             }
 203         } else {
 204             my $sth_search = $dbh->prepare("SELECT count(*) AS total
 205                                             FROM default_borrower_circ_rules
 206                                             WHERE categorycode = ?");
 207             my $sth_insert = $dbh->prepare("INSERT INTO default_borrower_circ_rules
 208                                             (categorycode, maxissueqty)
 209                                             VALUES (?, ?)");
 210             my $sth_update = $dbh->prepare("UPDATE default_borrower_circ_rules
 211                                             SET maxissueqty = ?
 212                                             WHERE categorycode = ?");
 213             $sth_search->execute($branch);
 214             my $res = $sth_search->fetchrow_hashref();
 215             if ($res->{total}) {
 216                 $sth_update->execute($maxissueqty, $categorycode);
 217             } else {
 218                 $sth_insert->execute($categorycode, $maxissueqty);
 219             }
 220         }
 221     } elsif ($categorycode eq "*") {
 222         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 223                                         FROM default_branch_circ_rules
 224                                         WHERE branchcode = ?");
 225         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
 226                                         (branchcode, maxissueqty)
 227                                         VALUES (?, ?)");
 228         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
 229                                         SET maxissueqty = ?
 230                                         WHERE branchcode = ?");
 231         $sth_search->execute($branch);
 232         my $res = $sth_search->fetchrow_hashref();
 233         if ($res->{total}) {
 234             $sth_update->execute($maxissueqty, $branch);
 235         } else {
 236             $sth_insert->execute($branch, $maxissueqty);
 237         }
 238     } else {
 239         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 240                                         FROM branch_borrower_circ_rules
 241                                         WHERE branchcode = ?
 242                                         AND   categorycode = ?");
 243         my $sth_insert = $dbh->prepare("INSERT INTO branch_borrower_circ_rules
 244                                         (branchcode, categorycode, maxissueqty)
 245                                         VALUES (?, ?, ?)");
 246         my $sth_update = $dbh->prepare("UPDATE branch_borrower_circ_rules
 247                                         SET maxissueqty = ?
 248                                         WHERE branchcode = ?
 249                                         AND categorycode = ?");
 250
 251         $sth_search->execute($branch, $categorycode);
 252         my $res = $sth_search->fetchrow_hashref();
 253         if ($res->{total}) {
 254             $sth_update->execute($maxissueqty, $branch, $categorycode);
 255         } else {
 256             $sth_insert->execute($branch, $categorycode, $maxissueqty);
 257         }
 258     }
 259 }
 260 elsif ($op eq "add-branch-item") {
 261     my $itemtype  = $input->param('itemtype');
 262     my $holdallowed   = $input->param('holdallowed');
 263     my $returnbranch  = $input->param('returnbranch');
 264     $holdallowed =~ s/\s//g;
 265     $holdallowed = undef if $holdallowed !~ /^\d+/;
 266
 267     if ($branch eq "*") {
 268         if ($itemtype eq "*") {
 269             my $sth_search = $dbh->prepare("SELECT count(*) AS total
 270                                             FROM default_circ_rules");
 271             my $sth_insert = $dbh->prepare("INSERT INTO default_circ_rules
 272                                             (holdallowed, returnbranch)
 273                                             VALUES (?, ?)");
 274             my $sth_update = $dbh->prepare("UPDATE default_circ_rules
 275                                             SET holdallowed = ?, returnbranch = ?");
 276
 277             $sth_search->execute();
 278             my $res = $sth_search->fetchrow_hashref();
 279             if ($res->{total}) {
 280                 $sth_update->execute($holdallowed, $returnbranch);
 281             } else {
 282                 $sth_insert->execute($holdallowed, $returnbranch);
 283             }
 284         } else {
 285             my $sth_search = $dbh->prepare("SELECT count(*) AS total
 286                                             FROM default_branch_item_rules
 287                                             WHERE itemtype = ?");
 288             my $sth_insert = $dbh->prepare("INSERT INTO default_branch_item_rules
 289                                             (itemtype, holdallowed, returnbranch)
 290                                             VALUES (?, ?, ?)");
 291             my $sth_update = $dbh->prepare("UPDATE default_branch_item_rules
 292                                             SET holdallowed = ?, returnbranch = ?
 293                                             WHERE itemtype = ?");
 294             $sth_search->execute($itemtype);
 295             my $res = $sth_search->fetchrow_hashref();
 296             if ($res->{total}) {
 297                 $sth_update->execute($holdallowed, $returnbranch, $itemtype);
 298             } else {
 299                 $sth_insert->execute($itemtype, $holdallowed, $returnbranch);
 300             }
 301         }
 302     } elsif ($itemtype eq "*") {
 303         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 304                                         FROM default_branch_circ_rules
 305                                         WHERE branchcode = ?");
 306         my $sth_insert = $dbh->prepare("INSERT INTO default_branch_circ_rules
 307                                         (branchcode, holdallowed, returnbranch)
 308                                         VALUES (?, ?, ?)");
 309         my $sth_update = $dbh->prepare("UPDATE default_branch_circ_rules
 310                                         SET holdallowed = ?, returnbranch = ?
 311                                         WHERE branchcode = ?");
 312         $sth_search->execute($branch);
 313         my $res = $sth_search->fetchrow_hashref();
 314         if ($res->{total}) {
 315             $sth_update->execute($holdallowed, $returnbranch, $branch);
 316         } else {
 317             $sth_insert->execute($branch, $holdallowed, $returnbranch);
 318         }
 319     } else {
 320         my $sth_search = $dbh->prepare("SELECT count(*) AS total
 321                                         FROM branch_item_rules
 322                                         WHERE branchcode = ?
 323                                         AND   itemtype = ?");
 324         my $sth_insert = $dbh->prepare("INSERT INTO branch_item_rules
 325                                         (branchcode, itemtype, holdallowed, returnbranch)
 326                                         VALUES (?, ?, ?, ?)");
 327         my $sth_update = $dbh->prepare("UPDATE branch_item_rules
 328                                         SET holdallowed = ?, returnbranch = ?
 329                                         WHERE branchcode = ?
 330                                         AND itemtype = ?");
 331
 332         $sth_search->execute($branch, $itemtype);
 333         my $res = $sth_search->fetchrow_hashref();
 334         if ($res->{total}) {
 335             $sth_update->execute($holdallowed, $returnbranch, $branch, $itemtype);
 336         } else {
 337             $sth_insert->execute($branch, $itemtype, $holdallowed, $returnbranch);
 338         }
 339     }
 340 }
 341
 342 my $branches = GetBranches();
 343 my @branchloop;
 344 for my $thisbranch (sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} } keys %$branches) {
 345     push @branchloop, {
 346         value      => $thisbranch,
 347         selected   => $thisbranch eq $branch,
 348         branchname => $branches->{$thisbranch}->{'branchname'},
 349     };
 350 }
 351
 352 my $sth=$dbh->prepare("SELECT description,categorycode FROM categories ORDER BY description");
 353 $sth->execute;
 354 my @category_loop;
 355 while (my $data=$sth->fetchrow_hashref){
 356     push @category_loop,$data;
 357 }
 358
 359 $sth->finish;
 360 $sth=$dbh->prepare("SELECT description,itemtype FROM itemtypes ORDER BY description");
 361 $sth->execute;
 362 # $i=0;
 363 my @row_loop;
 364 my @itemtypes;
 365 while (my $row=$sth->fetchrow_hashref){
 366     push @itemtypes,$row;
 367 }
 368
 369 my $sth2 = $dbh->prepare("
 370     SELECT issuingrules.*, itemtypes.description AS humanitemtype, categories.description AS humancategorycode
 371     FROM issuingrules
 372     LEFT JOIN itemtypes
 373         ON (itemtypes.itemtype = issuingrules.itemtype)
 374     LEFT JOIN categories
 375         ON (categories.categorycode = issuingrules.categorycode)
 376     WHERE issuingrules.branchcode = ?
 377 ");
 378 $sth2->execute($branch);
 379
 380 while (my $row = $sth2->fetchrow_hashref) {
 381     $row->{'current_branch'} ||= $row->{'branchcode'};
 382     $row->{'humanitemtype'} ||= $row->{'itemtype'};
 383     $row->{'default_humanitemtype'} = 1 if $row->{'humanitemtype'} eq '*';
 384     $row->{'humancategorycode'} ||= $row->{'categorycode'};
 385     $row->{'default_humancategorycode'} = 1 if $row->{'humancategorycode'} eq '*';
 386     $row->{'fine'} = sprintf('%.2f', $row->{'fine'});
 387     if ($row->{'hardduedate'} ne '0000-00-00') {
 388        $row->{'hardduedate'} = format_date( $row->{'hardduedate'});
 389        $row->{'hardduedatebefore'} = 1 if ($row->{'hardduedatecompare'} == -1);
 390        $row->{'hardduedateexact'} = 1 if ($row->{'hardduedatecompare'} ==  0);
 391        $row->{'hardduedateafter'} = 1 if ($row->{'hardduedatecompare'} ==  1);
 392     } else {
 393        $row->{'hardduedate'} = 0;
 394     }
 395     push @row_loop, $row;
 396 }
 397 $sth->finish;
 398
 399 my @sorted_row_loop = sort by_category_and_itemtype @row_loop;
 400
 401 my $sth_branch_cat;
 402 if ($branch eq "*") {
 403     $sth_branch_cat = $dbh->prepare("
 404         SELECT default_borrower_circ_rules.*, categories.description AS humancategorycode
 405         FROM default_borrower_circ_rules
 406         JOIN categories USING (categorycode)
 407
 408     ");
 409     $sth_branch_cat->execute();
 410 } else {
 411     $sth_branch_cat = $dbh->prepare("
 412         SELECT branch_borrower_circ_rules.*, categories.description AS humancategorycode
 413         FROM branch_borrower_circ_rules
 414         JOIN categories USING (categorycode)
 415         WHERE branch_borrower_circ_rules.branchcode = ?
 416     ");
 417     $sth_branch_cat->execute($branch);
 418 }
 419
 420 my @branch_cat_rules = ();
 421 while (my $row = $sth_branch_cat->fetchrow_hashref) {
 422     push @branch_cat_rules, $row;
 423 }
 424 my @sorted_branch_cat_rules = sort { $a->{'humancategorycode'} cmp $b->{'humancategorycode'} } @branch_cat_rules;
 425
 426 # note undef maxissueqty so that template can deal with them
 427 foreach my $entry (@sorted_branch_cat_rules, @sorted_row_loop) {
 428     $entry->{unlimited_maxissueqty} = 1 unless defined($entry->{maxissueqty});
 429 }
 430
 431 @sorted_row_loop = sort by_category_and_itemtype @row_loop;
 432
 433 my $sth_branch_item;
 434 if ($branch eq "*") {
 435     $sth_branch_item = $dbh->prepare("
 436         SELECT default_branch_item_rules.*, itemtypes.description AS humanitemtype
 437         FROM default_branch_item_rules
 438         JOIN itemtypes USING (itemtype)
 439     ");
 440     $sth_branch_item->execute();
 441 } else {
 442     $sth_branch_item = $dbh->prepare("
 443         SELECT branch_item_rules.*, itemtypes.description AS humanitemtype
 444         FROM branch_item_rules
 445         JOIN itemtypes USING (itemtype)
 446         WHERE branch_item_rules.branchcode = ?
 447     ");
 448     $sth_branch_item->execute($branch);
 449 }
 450
 451 my @branch_item_rules = ();
 452 while (my $row = $sth_branch_item->fetchrow_hashref) {
 453     push @branch_item_rules, $row;
 454 }
 455 my @sorted_branch_item_rules = sort { $a->{'humanitemtype'} cmp $b->{'humanitemtype'} } @branch_item_rules;
 456
 457 # note undef holdallowed so that template can deal with them
 458 foreach my $entry (@sorted_branch_item_rules) {
 459     $entry->{holdallowed_any} = 1 if($entry->{holdallowed} == 2);
 460     $entry->{holdallowed_same} = 1 if($entry->{holdallowed} == 1);
 461 }
 462
 463 $template->param(show_branch_cat_rule_form => 1);
 464 $template->param(branch_item_rule_loop => \@sorted_branch_item_rules);
 465 $template->param(branch_cat_rule_loop => \@sorted_branch_cat_rules);
 466
 467 my $sth_defaults;
 468 if ($branch eq "*") {
 469     $sth_defaults = $dbh->prepare("
 470         SELECT *
 471         FROM default_circ_rules
 472     ");
 473     $sth_defaults->execute();
 474 } else {
 475     $sth_defaults = $dbh->prepare("
 476         SELECT *
 477         FROM default_branch_circ_rules
 478         WHERE branchcode = ?
 479     ");
 480     $sth_defaults->execute($branch);
 481 }
 482
 483 my $defaults = $sth_defaults->fetchrow_hashref;
 484
 485 if ($defaults) {
 486     $template->param(default_holdallowed_none => 1) if($defaults->{holdallowed} == 0);
 487     $template->param(default_holdallowed_same => 1) if($defaults->{holdallowed} == 1);
 488     $template->param(default_holdallowed_any => 1) if($defaults->{holdallowed} == 2);
 489     $template->param(default_maxissueqty => $defaults->{maxissueqty});
 490     $template->param(default_returnbranch => $defaults->{returnbranch});
 491 }
 492
 493 $template->param(default_rules => ($defaults ? 1 : 0));
 494
 495 $template->param(categoryloop => \@category_loop,
 496                         itemtypeloop => \@itemtypes,
 497                         rules => \@sorted_row_loop,
 498                         branchloop => \@branchloop,
 499                         humanbranch => ($branch ne '*' ? $branches->{$branch}->{branchname} : ''),
 500                         current_branch => $branch,
 501                         definedbranch => scalar(@sorted_row_loop)>0
 502                         );
 503 output_html_with_http_headers $input, $cookie, $template->output;
 504
 505 exit 0;
 506
 507 # sort by patron category, then item type, putting
 508 # default entries at the bottom
 509 sub by_category_and_itemtype {
 510     unless (by_category($a, $b)) {
 511         return by_itemtype($a, $b);
 512     }
 513 }
 514
 515 sub by_category {
 516     my ($a, $b) = @_;
 517     if ($a->{'default_humancategorycode'}) {
 518         return ($b->{'default_humancategorycode'} ? 0 : 1);
 519     } elsif ($b->{'default_humancategorycode'}) {
 520         return -1;
 521     } else {
 522         return $a->{'humancategorycode'} cmp $b->{'humancategorycode'};
 523     }
 524 }
 525
 526 sub by_itemtype {
 527     my ($a, $b) = @_;
 528     if ($a->{'default_humanitemtype'}) {
 529         return ($b->{'default_humanitemtype'} ? 0 : 1);
 530     } elsif ($b->{'default_humanitemtype'}) {
 531         return -1;
 532     } else {
 533         return $a->{'humanitemtype'} cmp $b->{'humanitemtype'};
 534     }
 535 }