Bug 25898: Prohibit indirect object notation
[koha.git] / opac / opac-memberentry.pl
blob6b7afc01754876bd9abaa7d3dd07e03289aedbee
1 #!/usr/bin/perl
3 # This file is part of Koha.
5 # Koha is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # Koha is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with Koha; if not, see <http://www.gnu.org/licenses>.
18 use Modern::Perl;
20 use CGI qw ( -utf8 );
21 use Digest::MD5 qw( md5_base64 md5_hex );
22 use JSON;
23 use List::MoreUtils qw( any each_array uniq );
24 use String::Random qw( random_string );
26 use C4::Auth;
27 use C4::Output;
28 use C4::Context;
29 use C4::Members;
30 use C4::Form::MessagingPreferences;
31 use Koha::AuthUtils;
32 use Koha::Patrons;
33 use Koha::Patron::Consent;
34 use Koha::Patron::Modification;
35 use Koha::Patron::Modifications;
36 use C4::Scrubber;
37 use Email::Valid;
38 use Koha::DateUtils;
39 use Koha::Libraries;
40 use Koha::Patron::Attribute::Types;
41 use Koha::Patron::Attributes;
42 use Koha::Patron::Images;
43 use Koha::Patron::Modification;
44 use Koha::Patron::Modifications;
45 use Koha::Patron::Categories;
46 use Koha::Token;
48 my $cgi = CGI->new;
49 my $dbh = C4::Context->dbh;
51 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
53 template_name => "opac-memberentry.tt",
54 type => "opac",
55 query => $cgi,
56 authnotrequired => 1,
60 unless ( C4::Context->preference('PatronSelfRegistration') || $borrowernumber )
62 print $cgi->redirect("/cgi-bin/koha/opac-main.pl");
63 exit;
66 my $action = $cgi->param('action') || q{};
67 if ( $action eq q{} ) {
68 if ($borrowernumber) {
69 $action = 'edit';
71 else {
72 $action = 'new';
76 my $mandatory = GetMandatoryFields($action);
78 my @libraries = Koha::Libraries->search;
79 if ( $action eq 'new'
80 && ( my @libraries_to_display = split '\|', C4::Context->preference('PatronSelfRegistrationLibraryList') )
81 ) {
82 @libraries = map {
83 my $b = $_;
84 my $branchcode = $_->branchcode;
85 ( grep { $_ eq $branchcode } @libraries_to_display ) ? $b : ()
86 } @libraries;
88 my ( $min, $max ) = C4::Members::get_cardnumber_length();
89 if ( defined $min ) {
90 $template->param(
91 minlength_cardnumber => $min,
92 maxlength_cardnumber => $max
96 $template->param(
97 action => $action,
98 hidden => GetHiddenFields( $mandatory, $action ),
99 mandatory => $mandatory,
100 libraries => \@libraries,
101 OPACPatronDetails => C4::Context->preference('OPACPatronDetails'),
104 my $attributes = ParsePatronAttributes($borrowernumber,$cgi);
105 my $conflicting_attribute = 0;
107 foreach my $attr (@$attributes) {
108 my $attribute = Koha::Patron::Attribute->new($attr);
109 eval {$attribute->check_unique_id};
110 if ( $@ ) {
111 my $attr_type = Koha::Patron::Attribute::Types->find($attr->{code});
112 $template->param(
113 extended_unique_id_failed_code => $attr->{code},
114 extended_unique_id_failed_value => $attr->{attribute},
115 extended_unique_id_failed_description => $attr_type->description,
117 $conflicting_attribute = 1;
121 if ( $action eq 'create' ) {
123 my %borrower = ParseCgiForBorrower($cgi);
125 %borrower = DelEmptyFields(%borrower);
127 my @empty_mandatory_fields = (CheckMandatoryFields( \%borrower, $action ), CheckMandatoryAttributes( \%borrower, $attributes ) );
128 my $invalidformfields = CheckForInvalidFields(\%borrower);
129 delete $borrower{'password2'};
130 my $cardnumber_error_code;
131 if ( !grep { $_ eq 'cardnumber' } @empty_mandatory_fields ) {
132 # No point in checking the cardnumber if it's missing and mandatory, it'll just generate a
133 # spurious length warning.
134 $cardnumber_error_code = checkcardnumber( $borrower{cardnumber}, $borrower{borrowernumber} );
137 if ( @empty_mandatory_fields || @$invalidformfields || $cardnumber_error_code || $conflicting_attribute ) {
138 if ( $cardnumber_error_code == 1 ) {
139 $template->param( cardnumber_already_exists => 1 );
140 } elsif ( $cardnumber_error_code == 2 ) {
141 $template->param( cardnumber_wrong_length => 1 );
144 $template->param(
145 empty_mandatory_fields => \@empty_mandatory_fields,
146 invalid_form_fields => $invalidformfields,
147 borrower => \%borrower
149 $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
151 elsif (
152 md5_base64( uc( $cgi->param('captcha') ) ) ne $cgi->param('captcha_digest') )
154 $template->param(
155 failed_captcha => 1,
156 borrower => \%borrower
158 $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
160 else {
161 if (
162 C4::Context->boolean_preference(
163 'PatronSelfRegistrationVerifyByEmail')
166 ( $template, $borrowernumber, $cookie ) = get_template_and_user(
168 template_name => "opac-registration-email-sent.tt",
169 type => "opac",
170 query => $cgi,
171 authnotrequired => 1,
174 $template->param( 'email' => $borrower{'email'} );
176 my $verification_token = md5_hex( time().{}.rand().{}.$$ );
177 while ( Koha::Patron::Modifications->search( { verification_token => $verification_token } )->count() ) {
178 $verification_token = md5_hex( time().{}.rand().{}.$$ );
181 $borrower{password} = Koha::AuthUtils::generate_password(Koha::Patron::Categories->find($borrower{categorycode})) unless $borrower{password};
182 $borrower{verification_token} = $verification_token;
184 Koha::Patron::Modification->new( \%borrower )->store();
186 #Send verification email
187 my $letter = C4::Letters::GetPreparedLetter(
188 module => 'members',
189 letter_code => 'OPAC_REG_VERIFY',
190 lang => 'default', # Patron does not have a preferred language defined yet
191 tables => {
192 borrower_modifications => $verification_token,
196 C4::Letters::EnqueueLetter(
198 letter => $letter,
199 message_transport_type => 'email',
200 to_address => $borrower{'email'},
201 from_address =>
202 C4::Context->preference('KohaAdminEmailAddress'),
205 my $num_letters_attempted = C4::Letters::SendQueuedMessages( {
206 letter_code => 'OPAC_REG_VERIFY'
207 } );
209 else {
210 ( $template, $borrowernumber, $cookie ) = get_template_and_user(
212 template_name => "opac-registration-confirmation.tt",
213 type => "opac",
214 query => $cgi,
215 authnotrequired => 1,
219 $borrower{categorycode} ||= C4::Context->preference('PatronSelfRegistrationDefaultCategory');
220 $borrower{password} ||= Koha::AuthUtils::generate_password(Koha::Patron::Categories->find($borrower{categorycode}));
221 my $consent_dt = delete $borrower{gdpr_proc_consent};
222 my $patron = Koha::Patron->new( \%borrower )->store;
223 Koha::Patron::Consent->new({ borrowernumber => $patron->borrowernumber, type => 'GDPR_PROCESSING', given_on => $consent_dt })->store if $consent_dt;
224 if ( $patron ) {
225 $patron->extended_attributes->filter_by_branch_limitations->delete;
226 $patron->extended_attributes($attributes);
227 if ( C4::Context->preference('EnhancedMessagingPreferences') ) {
228 C4::Form::MessagingPreferences::handle_form_action(
229 $cgi,
230 { borrowernumber => $patron->borrowernumber },
231 $template,
233 C4::Context->preference('PatronSelfRegistrationDefaultCategory')
237 $template->param( password_cleartext => $patron->plain_text_password );
238 $template->param( borrower => $patron->unblessed );
239 } else {
240 # FIXME Handle possible errors here
242 $template->param(
243 PatronSelfRegistrationAdditionalInstructions =>
244 C4::Context->preference(
245 'PatronSelfRegistrationAdditionalInstructions')
250 elsif ( $action eq 'update' ) {
252 my $borrower = Koha::Patrons->find( $borrowernumber )->unblessed;
253 die "Wrong CSRF token"
254 unless Koha::Token->new->check_csrf({
255 session_id => scalar $cgi->cookie('CGISESSID'),
256 token => scalar $cgi->param('csrf_token'),
259 my %borrower = ParseCgiForBorrower($cgi);
260 $borrower{borrowernumber} = $borrowernumber;
262 my @empty_mandatory_fields =
263 ( CheckMandatoryFields( \%borrower, $action ), CheckMandatoryAttributes( \%borrower, $attributes ) );
264 my $invalidformfields = CheckForInvalidFields(\%borrower);
266 # Send back the data to the template
267 %borrower = ( %$borrower, %borrower );
269 if (@empty_mandatory_fields || @$invalidformfields) {
270 $template->param(
271 empty_mandatory_fields => \@empty_mandatory_fields,
272 invalid_form_fields => $invalidformfields,
273 borrower => \%borrower,
274 csrf_token => Koha::Token->new->generate_csrf({
275 session_id => scalar $cgi->cookie('CGISESSID'),
278 $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ) );
280 $template->param( action => 'edit' );
282 else {
283 my %borrower_changes = DelUnchangedFields( $borrowernumber, %borrower );
284 $borrower_changes{'changed_fields'} = join ',', keys %borrower_changes;
285 my $extended_attributes_changes = FilterUnchangedAttributes( $borrowernumber, $attributes );
287 if ( %borrower_changes || scalar @{$extended_attributes_changes} > 0 ) {
288 ( $template, $borrowernumber, $cookie ) = get_template_and_user(
290 template_name => "opac-memberentry-update-submitted.tt",
291 type => "opac",
292 query => $cgi,
293 authnotrequired => 1,
297 $borrower_changes{borrowernumber} = $borrowernumber;
298 $borrower_changes{extended_attributes} = to_json($extended_attributes_changes);
300 Koha::Patron::Modifications->search({ borrowernumber => $borrowernumber })->delete;
302 my $m = Koha::Patron::Modification->new( \%borrower_changes )->store();
303 #Automatically approve patron profile changes if set in syspref
305 if (C4::Context->preference('AutoApprovePatronProfileSettings')) {
306 # Need to get the object from database, otherwise it is not complete enough to allow deletion
307 # when approval has been performed.
308 my $tmp_m = Koha::Patron::Modifications->find({borrowernumber => $borrowernumber});
309 $tmp_m->approve() if $tmp_m;
312 my $patron = Koha::Patrons->find( $borrowernumber );
313 $template->param( borrower => $patron->unblessed );
315 else {
316 my $patron = Koha::Patrons->find( $borrowernumber );
317 $template->param(
318 action => 'edit',
319 nochanges => 1,
320 borrower => $patron->unblessed,
321 patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ),
322 csrf_token => Koha::Token->new->generate_csrf({
323 session_id => scalar $cgi->cookie('CGISESSID'),
329 elsif ( $action eq 'edit' ) { #Display logged in borrower's data
330 my $patron = Koha::Patrons->find( $borrowernumber );
331 my $borrower = $patron->unblessed;
333 $template->param(
334 borrower => $borrower,
335 hidden => GetHiddenFields( $mandatory, 'edit' ),
336 csrf_token => Koha::Token->new->generate_csrf({
337 session_id => scalar $cgi->cookie('CGISESSID'),
341 if (C4::Context->preference('OPACpatronimages')) {
342 $template->param( display_patron_image => 1 ) if $patron->image;
345 $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber ) );
346 } else {
347 # Render self-registration page
348 $template->param( patron_attribute_classes => GeneratePatronAttributesForm() );
351 my $captcha = random_string("CCCCC");
352 my $patron_param = Koha::Patrons->find( $borrowernumber );
353 $template->param(
354 has_guarantor_flag => $patron_param->guarantor_relationships->guarantors->_resultset->count
355 ) if $patron_param;
357 $template->param(
358 captcha => $captcha,
359 captcha_digest => md5_base64($captcha),
360 patron => $patron_param
363 output_html_with_http_headers $cgi, $cookie, $template->output, undef, { force_no_caching => 1 };
365 sub GetHiddenFields {
366 my ( $mandatory, $action ) = @_;
367 my %hidden_fields;
369 my $BorrowerUnwantedField = $action eq 'edit' || $action eq 'update' ?
370 C4::Context->preference( "PatronSelfModificationBorrowerUnwantedField" ) :
371 C4::Context->preference( "PatronSelfRegistrationBorrowerUnwantedField" );
373 my @fields = split( /\|/, $BorrowerUnwantedField || q|| );
374 foreach (@fields) {
375 next unless m/\w/o;
376 #Don't hide mandatory fields
377 next if $mandatory->{$_};
378 $hidden_fields{$_} = 1;
381 return \%hidden_fields;
384 sub GetMandatoryFields {
385 my ($action) = @_;
387 my %mandatory_fields;
389 my $BorrowerMandatoryField =
390 C4::Context->preference("PatronSelfRegistrationBorrowerMandatoryField");
392 my @fields = split( /\|/, $BorrowerMandatoryField );
393 push @fields, 'gdpr_proc_consent' if C4::Context->preference('GDPR_Policy') && $action eq 'create';
395 foreach (@fields) {
396 $mandatory_fields{$_} = 1;
399 if ( $action eq 'create' || $action eq 'new' ) {
400 $mandatory_fields{'email'} = 1
401 if C4::Context->boolean_preference(
402 'PatronSelfRegistrationVerifyByEmail');
405 return \%mandatory_fields;
408 sub CheckMandatoryFields {
409 my ( $borrower, $action ) = @_;
411 my @empty_mandatory_fields;
413 my $mandatory_fields = GetMandatoryFields($action);
414 delete $mandatory_fields->{'cardnumber'};
416 foreach my $key ( keys %$mandatory_fields ) {
417 push( @empty_mandatory_fields, $key )
418 unless ( defined( $borrower->{$key} ) && $borrower->{$key} );
421 return @empty_mandatory_fields;
424 sub CheckMandatoryAttributes{
425 my ( $borrower, $attributes ) = @_;
427 my @empty_mandatory_fields;
429 for my $attribute (@$attributes ) {
430 my $attr = Koha::Patron::Attribute::Types->find($attribute->{code});
431 push @empty_mandatory_fields, $attribute->{code}
432 if $attr && $attr->mandatory && $attribute->{attribute} =~ m|^\s*$|;
435 return @empty_mandatory_fields;
438 sub CheckForInvalidFields {
439 my $borrower = shift;
440 my @invalidFields;
441 if ($borrower->{'email'}) {
442 unless ( Email::Valid->address($borrower->{'email'}) ) {
443 push(@invalidFields, "email");
444 } elsif ( C4::Context->preference("PatronSelfRegistrationEmailMustBeUnique") ) {
445 my $patrons_with_same_email = Koha::Patrons->search( # FIXME Should be search_limited?
447 email => $borrower->{email},
449 exists $borrower->{borrowernumber}
450 ? ( borrowernumber =>
451 { '!=' => $borrower->{borrowernumber} } )
452 : ()
455 )->count;
456 if ( $patrons_with_same_email ) {
457 push @invalidFields, "duplicate_email";
459 } elsif ( C4::Context->preference("PatronSelfRegistrationConfirmEmail")
460 && $borrower->{'email'} ne $borrower->{'repeat_email'}
461 && !defined $borrower->{borrowernumber} ) {
462 push @invalidFields, "email_match";
464 # email passed all tests, so prevent attempting to store repeat_email
465 delete $borrower->{'repeat_email'};
467 if ($borrower->{'emailpro'}) {
468 push(@invalidFields, "emailpro") if (!Email::Valid->address($borrower->{'emailpro'}));
470 if ($borrower->{'B_email'}) {
471 push(@invalidFields, "B_email") if (!Email::Valid->address($borrower->{'B_email'}));
473 if ( defined $borrower->{'password'}
474 and $borrower->{'password'} ne $borrower->{'password2'} )
476 push( @invalidFields, "password_match" );
478 if ( $borrower->{'password'} ) {
479 my ( $is_valid, $error ) = Koha::AuthUtils::is_password_valid( $borrower->{password}, Koha::Patron::Categories->find($borrower->{categorycode}) );
480 unless ( $is_valid ) {
481 push @invalidFields, 'password_too_short' if $error eq 'too_short';
482 push @invalidFields, 'password_too_weak' if $error eq 'too_weak';
483 push @invalidFields, 'password_has_whitespaces' if $error eq 'has_whitespaces';
487 return \@invalidFields;
490 sub ParseCgiForBorrower {
491 my ($cgi) = @_;
493 my $scrubber = C4::Scrubber->new();
494 my %borrower;
496 foreach my $field ( $cgi->param ) {
497 if ( $field =~ '^borrower_' ) {
498 my ($key) = substr( $field, 9 );
499 if ( $field !~ '^borrower_password' ) {
500 $borrower{$key} = $scrubber->scrub( scalar $cgi->param($field) );
501 } else {
502 # Allow html characters for passwords
503 $borrower{$key} = $cgi->param($field);
508 if ( defined $borrower{'dateofbirth'} ) {
509 my $dob_dt;
510 $dob_dt = eval { dt_from_string( $borrower{'dateofbirth'} ); }
511 if ( $borrower{'dateofbirth'} );
513 if ( $dob_dt ) {
514 $borrower{'dateofbirth'} = output_pref( { dt => $dob_dt, dateonly => 1, dateformat => 'iso' } );
516 else {
517 # Trigger validation
518 $borrower{'dateofbirth'} = undef;
522 # Replace checkbox 'agreed' by datetime in gdpr_proc_consent
523 $borrower{gdpr_proc_consent} = dt_from_string if $borrower{gdpr_proc_consent} && $borrower{gdpr_proc_consent} eq 'agreed';
525 return %borrower;
528 sub DelUnchangedFields {
529 my ( $borrowernumber, %new_data ) = @_;
530 # get the mandatory fields so we can get the hidden fields
531 my $mandatory = GetMandatoryFields('edit');
532 my $patron = Koha::Patrons->find( $borrowernumber );
533 my $current_data = $patron->unblessed;
534 # get the hidden fields so we don't obliterate them should they have data patrons aren't allowed to modify
535 my $hidden_fields = GetHiddenFields($mandatory, 'edit');
538 foreach my $key ( keys %new_data ) {
539 next if defined($new_data{$key}) xor defined($current_data->{$key});
540 if ( !defined($new_data{$key}) || $current_data->{$key} eq $new_data{$key} || $hidden_fields->{$key} ) {
541 delete $new_data{$key};
545 return %new_data;
548 sub DelEmptyFields {
549 my (%borrower) = @_;
551 foreach my $key ( keys %borrower ) {
552 delete $borrower{$key} unless $borrower{$key};
555 return %borrower;
558 sub FilterUnchangedAttributes {
559 my ( $borrowernumber, $entered_attributes ) = @_;
561 my @patron_attributes = grep {$_->type->opac_editable ? $_ : ()} Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
563 my $patron_attribute_types;
564 foreach my $attr (@patron_attributes) {
565 $patron_attribute_types->{ $attr->code } += 1;
568 my $passed_attribute_types;
569 foreach my $attr (@{ $entered_attributes }) {
570 $passed_attribute_types->{ $attr->{ code } } += 1;
573 my @changed_attributes;
575 # Loop through the current patron attributes
576 foreach my $attribute_type ( keys %{ $patron_attribute_types } ) {
577 if ( $patron_attribute_types->{ $attribute_type } != $passed_attribute_types->{ $attribute_type } ) {
578 # count differs, overwrite all attributes for given type
579 foreach my $attr (@{ $entered_attributes }) {
580 push @changed_attributes, $attr
581 if $attr->{ code } eq $attribute_type;
583 } else {
584 # count matches, check values
585 my $changes = 0;
586 foreach my $attr (grep { $_->code eq $attribute_type } @patron_attributes) {
587 $changes = 1
588 unless any { $_->{ value } eq $attr->attribute } @{ $entered_attributes };
589 last if $changes;
592 if ( $changes ) {
593 foreach my $attr (@{ $entered_attributes }) {
594 push @changed_attributes, $attr
595 if $attr->{ code } eq $attribute_type;
601 # Loop through passed attributes, looking for new ones
602 foreach my $attribute_type ( keys %{ $passed_attribute_types } ) {
603 if ( !defined $patron_attribute_types->{ $attribute_type } ) {
604 # YAY, new stuff
605 foreach my $attr (grep { $_->{code} eq $attribute_type } @{ $entered_attributes }) {
606 push @changed_attributes, $attr;
611 return \@changed_attributes;
614 sub GeneratePatronAttributesForm {
615 my ( $borrowernumber, $entered_attributes ) = @_;
617 # Get all attribute types and the values for this patron (if applicable)
618 my @types = grep { $_->opac_editable() or $_->opac_display }
619 Koha::Patron::Attribute::Types->search()->as_list();
620 if ( scalar(@types) == 0 ) {
621 return [];
624 my @displayable_attributes = grep { $_->type->opac_display ? $_ : () }
625 Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
627 my %attr_values = ();
629 # Build the attribute values list either from the passed values
630 # or taken from the patron itself
631 if ( defined $entered_attributes ) {
632 foreach my $attr (@$entered_attributes) {
633 push @{ $attr_values{ $attr->{code} } }, $attr->{value};
636 elsif ( defined $borrowernumber ) {
637 my @editable_attributes = grep { $_->type->opac_editable ? $_ : () } @displayable_attributes;
638 foreach my $attr (@editable_attributes) {
639 push @{ $attr_values{ $attr->code } }, $attr->attribute;
643 # Add the non-editable attributes (that don't come from the form)
644 foreach my $attr ( grep { !$_->type->opac_editable } @displayable_attributes ) {
645 push @{ $attr_values{ $attr->code } }, $attr->attribute;
648 # Find all existing classes
649 my @classes = sort( uniq( map { $_->class } @types ) );
650 my %items_by_class;
652 foreach my $attr_type (@types) {
653 push @{ $items_by_class{ $attr_type->class() } }, {
654 type => $attr_type,
655 # If editable, make sure there's at least one empty entry,
656 # to make the template's job easier
657 values => $attr_values{ $attr_type->code() } || ['']
659 unless !defined $attr_values{ $attr_type->code() }
660 and !$attr_type->opac_editable;
663 # Finally, build a list of containing classes
664 my @class_loop;
665 foreach my $class (@classes) {
666 next unless ( $items_by_class{$class} );
668 my $av = Koha::AuthorisedValues->search(
669 { category => 'PA_CLASS', authorised_value => $class } );
671 my $lib = $av->count ? $av->next->opac_description : $class;
673 push @class_loop,
675 class => $class,
676 items => $items_by_class{$class},
677 lib => $lib,
681 return \@class_loop;
684 sub ParsePatronAttributes {
685 my ( $borrowernumber, $cgi ) = @_;
687 my @codes = $cgi->multi_param('patron_attribute_code');
688 my @values = $cgi->multi_param('patron_attribute_value');
690 my @editable_attribute_types
691 = map { $_->code } Koha::Patron::Attribute::Types->search({ opac_editable => 1 });
693 my $ea = each_array( @codes, @values );
694 my @attributes;
696 my $delete_candidates = {};
698 while ( my ( $code, $value ) = $ea->() ) {
699 if ( any { $_ eq $code } @editable_attribute_types ) {
700 # It is an editable attribute
701 if ( !defined($value) or $value eq '' ) {
702 $delete_candidates->{$code} = 1
703 unless $delete_candidates->{$code};
705 else {
706 # we've got a value
707 push @attributes, { code => $code, attribute => $value };
709 # 'code' is no longer a delete candidate
710 delete $delete_candidates->{$code}
711 if defined $delete_candidates->{$code};
716 foreach my $code ( keys %{$delete_candidates} ) {
717 if ( not $borrowernumber # self-registration
718 || Koha::Patron::Attributes->search({
719 borrowernumber => $borrowernumber, code => $code })->count > 0 )
721 push @attributes, { code => $code, attribute => '' }
722 unless any { $_->{code} eq $code } @attributes;
726 return \@attributes;