opac/opac-memberentry.pl

   1 #!/usr/bin/perl
   2
   3 # This file is part of Koha.
   4 #
   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.
   9 #
  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.
  14 #
  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>.
  17
  18 use Modern::Perl;
  19
  20 use CGI qw ( -utf8 );
  21 use Digest::MD5 qw( md5_base64 md5_hex );
  22 use Encode qw( encode );
  23 use JSON;
  24 use List::MoreUtils qw( any each_array uniq );
  25 use String::Random qw( random_string );
  26
  27 use C4::Auth;
  28 use C4::Output;
  29 use C4::Members;
  30 use C4::Members::Attributes qw( GetBorrowerAttributes );
  31 use C4::Form::MessagingPreferences;
  32 use C4::Scrubber;
  33 use Email::Valid;
  34 use Koha::DateUtils;
  35 use Koha::Libraries;
  36 use Koha::Patron::Attribute::Types;
  37 use Koha::Patron::Attributes;
  38 use Koha::Patron::Images;
  39 use Koha::Patron::Modification;
  40 use Koha::Patron::Modifications;
  41 use Koha::Patrons;
  42 use Koha::Token;
  43
  44 my $cgi = new CGI;
  45 my $dbh = C4::Context->dbh;
  46
  47 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
  48     {
  49         template_name   => "opac-memberentry.tt",
  50         type            => "opac",
  51         query           => $cgi,
  52         authnotrequired => 1,
  53     }
  54 );
  55
  56 unless ( C4::Context->preference('PatronSelfRegistration') || $borrowernumber )
  57 {
  58     print $cgi->redirect("/cgi-bin/koha/opac-main.pl");
  59     exit;
  60 }
  61
  62 my $action = $cgi->param('action') || q{};
  63 if ( $action eq q{} ) {
  64     if ($borrowernumber) {
  65         $action = 'edit';
  66     }
  67     else {
  68         $action = 'new';
  69     }
  70 }
  71
  72 my $mandatory = GetMandatoryFields($action);
  73
  74 my @libraries = Koha::Libraries->search;
  75 if ( my @libraries_to_display = split '\|', C4::Context->preference('PatronSelfRegistrationLibraryList') ) {
  76     @libraries = map { my $b = $_; my $branchcode = $_->branchcode; grep( /^$branchcode$/, @libraries_to_display ) ? $b : () } @libraries;
  77 }
  78 my ( $min, $max ) = C4::Members::get_cardnumber_length();
  79 if ( defined $min ) {
  80      $template->param(
  81          minlength_cardnumber => $min,
  82          maxlength_cardnumber => $max
  83      );
  84  }
  85
  86 $template->param(
  87     action            => $action,
  88     hidden            => GetHiddenFields( $mandatory, 'registration' ),
  89     mandatory         => $mandatory,
  90     libraries         => \@libraries,
  91     OPACPatronDetails => C4::Context->preference('OPACPatronDetails'),
  92 );
  93
  94 my $attributes = ParsePatronAttributes($borrowernumber,$cgi);
  95 my $conflicting_attribute = 0;
  96
  97 foreach my $attr (@$attributes) {
  98     unless ( C4::Members::Attributes::CheckUniqueness($attr->{code}, $attr->{value}, $borrowernumber) ) {
  99         my $attr_info = C4::Members::AttributeTypes->fetch($attr->{code});
 100         $template->param(
 101             extended_unique_id_failed_code => $attr->{code},
 102             extended_unique_id_failed_value => $attr->{value},
 103             extended_unique_id_failed_description => $attr_info->description()
 104         );
 105         $conflicting_attribute = 1;
 106     }
 107 }
 108
 109 if ( $action eq 'create' ) {
 110
 111     my %borrower = ParseCgiForBorrower($cgi);
 112
 113     %borrower = DelEmptyFields(%borrower);
 114
 115     my @empty_mandatory_fields = CheckMandatoryFields( \%borrower, $action );
 116     my $invalidformfields = CheckForInvalidFields(\%borrower);
 117     delete $borrower{'password2'};
 118     my $cardnumber_error_code;
 119     if ( !grep { $_ eq 'cardnumber' } @empty_mandatory_fields ) {
 120         # No point in checking the cardnumber if it's missing and mandatory, it'll just generate a
 121         # spurious length warning.
 122         $cardnumber_error_code = checkcardnumber( $borrower{cardnumber}, $borrower{borrowernumber} );
 123     }
 124
 125     if ( @empty_mandatory_fields || @$invalidformfields || $cardnumber_error_code || $conflicting_attribute ) {
 126         if ( $cardnumber_error_code == 1 ) {
 127             $template->param( cardnumber_already_exists => 1 );
 128         } elsif ( $cardnumber_error_code == 2 ) {
 129             $template->param( cardnumber_wrong_length => 1 );
 130         }
 131
 132         $template->param(
 133             empty_mandatory_fields => \@empty_mandatory_fields,
 134             invalid_form_fields    => $invalidformfields,
 135             borrower               => \%borrower
 136         );
 137         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
 138     }
 139     elsif (
 140         md5_base64( uc( $cgi->param('captcha') ) ) ne $cgi->param('captcha_digest') )
 141     {
 142         $template->param(
 143             failed_captcha => 1,
 144             borrower       => \%borrower
 145         );
 146         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
 147     }
 148     else {
 149         if (
 150             C4::Context->boolean_preference(
 151                 'PatronSelfRegistrationVerifyByEmail')
 152           )
 153         {
 154             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 155                 {
 156                     template_name   => "opac-registration-email-sent.tt",
 157                     type            => "opac",
 158                     query           => $cgi,
 159                     authnotrequired => 1,
 160                 }
 161             );
 162             $template->param( 'email' => $borrower{'email'} );
 163
 164             my $verification_token = md5_hex( time().{}.rand().{}.$$ );
 165             while ( Koha::Patron::Modifications->search( { verification_token => $verification_token } )->count() ) {
 166                 $verification_token = md5_hex( time().{}.rand().{}.$$ );
 167             }
 168
 169             $borrower{password}           = random_string("..........");
 170             $borrower{verification_token} = $verification_token;
 171
 172             Koha::Patron::Modification->new( \%borrower )->store();
 173
 174             #Send verification email
 175             my $letter = C4::Letters::GetPreparedLetter(
 176                 module      => 'members',
 177                 letter_code => 'OPAC_REG_VERIFY',
 178                 tables      => {
 179                     borrower_modifications => $verification_token,
 180                 },
 181             );
 182
 183             C4::Letters::EnqueueLetter(
 184                 {
 185                     letter                 => $letter,
 186                     message_transport_type => 'email',
 187                     to_address             => $borrower{'email'},
 188                     from_address =>
 189                       C4::Context->preference('KohaAdminEmailAddress'),
 190                 }
 191             );
 192         }
 193         else {
 194             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 195                 {
 196                     template_name   => "opac-registration-confirmation.tt",
 197                     type            => "opac",
 198                     query           => $cgi,
 199                     authnotrequired => 1,
 200                 }
 201             );
 202
 203             $template->param( OpacPasswordChange =>
 204                   C4::Context->preference('OpacPasswordChange') );
 205
 206             my ( $borrowernumber, $password ) = AddMember_Opac(%borrower);
 207             C4::Members::Attributes::SetBorrowerAttributes( $borrowernumber, $attributes );
 208             C4::Form::MessagingPreferences::handle_form_action($cgi, { borrowernumber => $borrowernumber }, $template, 1, C4::Context->preference('PatronSelfRegistrationDefaultCategory') ) if $borrowernumber && C4::Context->preference('EnhancedMessagingPreferences');
 209
 210             $template->param( password_cleartext => $password );
 211             $template->param(
 212                 borrower => GetMember( borrowernumber => $borrowernumber ) );
 213             $template->param(
 214                 PatronSelfRegistrationAdditionalInstructions =>
 215                   C4::Context->preference(
 216                     'PatronSelfRegistrationAdditionalInstructions')
 217             );
 218         }
 219     }
 220 }
 221 elsif ( $action eq 'update' ) {
 222
 223     my $borrower = GetMember( borrowernumber => $borrowernumber );
 224     die "Wrong CSRF token"
 225         unless Koha::Token->new->check_csrf({
 226             id     => Encode::encode( 'UTF-8', $borrower->{userid} ),
 227             secret => md5_base64( Encode::encode( 'UTF-8', C4::Context->config('pass') ) ),
 228             token  => scalar $cgi->param('csrf_token'),
 229         });
 230
 231     my %borrower = ParseCgiForBorrower($cgi);
 232
 233     my %borrower_changes = DelEmptyFields(%borrower);
 234     my @empty_mandatory_fields =
 235       CheckMandatoryFields( \%borrower_changes, $action );
 236     my $invalidformfields = CheckForInvalidFields(\%borrower);
 237
 238     # Send back the data to the template
 239     %borrower = ( %$borrower, %borrower );
 240
 241     if (@empty_mandatory_fields || @$invalidformfields) {
 242         $template->param(
 243             empty_mandatory_fields => \@empty_mandatory_fields,
 244             invalid_form_fields    => $invalidformfields,
 245             borrower               => \%borrower,
 246             csrf_token             => Koha::Token->new->generate_csrf({
 247                 id     => Encode::encode( 'UTF-8', $borrower->{userid} ),
 248                 secret => md5_base64( Encode::encode( 'UTF-8', C4::Context->config('pass') ) ),
 249             }),
 250         );
 251         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ) );
 252
 253         $template->param( action => 'edit' );
 254     }
 255     else {
 256         my %borrower_changes = DelUnchangedFields( $borrowernumber, %borrower );
 257         my $extended_attributes_changes = FilterUnchangedAttributes( $borrowernumber, $attributes );
 258
 259         if ( %borrower_changes || scalar @{$extended_attributes_changes} > 0 ) {
 260             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 261                 {
 262                     template_name   => "opac-memberentry-update-submitted.tt",
 263                     type            => "opac",
 264                     query           => $cgi,
 265                     authnotrequired => 1,
 266                 }
 267             );
 268
 269             $borrower_changes{borrowernumber} = $borrowernumber;
 270             $borrower_changes{extended_attributes} = to_json($extended_attributes_changes);
 271
 272             # FIXME update the following with
 273             # Koha::Patron::Modifications->search({ borrowernumber => $borrowernumber })->delete;
 274             # when bug 17091 will be pushed
 275             my $patron_modifications = Koha::Patron::Modifications->search({ borrowernumber => $borrowernumber });
 276             while ( my $patron_modification = $patron_modifications->next ) {
 277                 $patron_modification->delete;
 278             }
 279
 280             my $m = Koha::Patron::Modification->new( \%borrower_changes )->store();
 281
 282             $template->param(
 283                 borrower => GetMember( borrowernumber => $borrowernumber ),
 284             );
 285         }
 286         else {
 287             $template->param(
 288                 action => 'edit',
 289                 nochanges => 1,
 290                 borrower => GetMember( borrowernumber => $borrowernumber ),
 291                 patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ),
 292                 csrf_token => Koha::Token->new->generate_csrf({
 293                     id     => Encode::encode( 'UTF-8', $borrower->{userid} ),
 294                     secret => md5_base64( Encode::encode( 'UTF-8', C4::Context->config('pass') ) ),
 295                 }),
 296             );
 297         }
 298     }
 299 }
 300 elsif ( $action eq 'edit' ) {    #Display logged in borrower's data
 301     my $borrower = GetMember( borrowernumber => $borrowernumber );
 302
 303     $template->param(
 304         borrower  => $borrower,
 305         guarantor => scalar Koha::Patrons->find($borrowernumber)->guarantor(),
 306         hidden => GetHiddenFields( $mandatory, 'modification' ),
 307         csrf_token => Koha::Token->new->generate_csrf({
 308             id     => Encode::encode( 'UTF-8', $borrower->{userid} ),
 309             secret => md5_base64( Encode::encode( 'UTF-8', C4::Context->config('pass') ) ),
 310         }),
 311     );
 312
 313     if (C4::Context->preference('OPACpatronimages')) {
 314         my $patron_image = Koha::Patron::Images->find($borrower->{borrowernumber});
 315         $template->param( display_patron_image => 1 ) if $patron_image;
 316     }
 317
 318     $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber ) );
 319 } else {
 320     # Render self-registration page
 321     $template->param( patron_attribute_classes => GeneratePatronAttributesForm() );
 322 }
 323
 324 my $captcha = random_string("CCCCC");
 325
 326 $template->param(
 327     captcha        => $captcha,
 328     captcha_digest => md5_base64($captcha)
 329 );
 330
 331 output_html_with_http_headers $cgi, $cookie, $template->output, undef, { force_no_caching => 1 };
 332
 333 sub GetHiddenFields {
 334     my ( $mandatory, $action ) = @_;
 335     my %hidden_fields;
 336
 337     my $BorrowerUnwantedField = $action eq 'modification' ?
 338       C4::Context->preference( "PatronSelfModificationBorrowerUnwantedField" ) :
 339       C4::Context->preference( "PatronSelfRegistrationBorrowerUnwantedField" );
 340
 341     my @fields = split( /\|/, $BorrowerUnwantedField || q|| );
 342     foreach (@fields) {
 343         next unless m/\w/o;
 344         #Don't hide mandatory fields
 345         next if $mandatory->{$_};
 346         $hidden_fields{$_} = 1;
 347     }
 348
 349     return \%hidden_fields;
 350 }
 351
 352 sub GetMandatoryFields {
 353     my ($action) = @_;
 354
 355     my %mandatory_fields;
 356
 357     my $BorrowerMandatoryField =
 358       C4::Context->preference("PatronSelfRegistrationBorrowerMandatoryField");
 359
 360     my @fields = split( /\|/, $BorrowerMandatoryField );
 361
 362     foreach (@fields) {
 363         $mandatory_fields{$_} = 1;
 364     }
 365
 366     if ( $action eq 'create' || $action eq 'new' ) {
 367         $mandatory_fields{'email'} = 1
 368           if C4::Context->boolean_preference(
 369             'PatronSelfRegistrationVerifyByEmail');
 370     }
 371
 372     return \%mandatory_fields;
 373 }
 374
 375 sub CheckMandatoryFields {
 376     my ( $borrower, $action ) = @_;
 377
 378     my @empty_mandatory_fields;
 379
 380     my $mandatory_fields = GetMandatoryFields($action);
 381     delete $mandatory_fields->{'cardnumber'};
 382
 383     foreach my $key ( keys %$mandatory_fields ) {
 384         push( @empty_mandatory_fields, $key )
 385           unless ( defined( $borrower->{$key} ) && $borrower->{$key} );
 386     }
 387
 388     return @empty_mandatory_fields;
 389 }
 390
 391 sub CheckForInvalidFields {
 392     my $minpw = C4::Context->preference('minPasswordLength');
 393     my $borrower = shift;
 394     my @invalidFields;
 395     if ($borrower->{'email'}) {
 396         unless ( Email::Valid->address($borrower->{'email'}) ) {
 397             push(@invalidFields, "email");
 398         } elsif ( C4::Context->preference("PatronSelfRegistrationEmailMustBeUnique") ) {
 399             my $patrons_with_same_email = Koha::Patrons->search( { email => $borrower->{email} })->count;
 400             if ( $patrons_with_same_email ) {
 401                 push @invalidFields, "duplicate_email";
 402             }
 403         }
 404     }
 405     if ($borrower->{'emailpro'}) {
 406         push(@invalidFields, "emailpro") if (!Email::Valid->address($borrower->{'emailpro'}));
 407     }
 408     if ($borrower->{'B_email'}) {
 409         push(@invalidFields, "B_email") if (!Email::Valid->address($borrower->{'B_email'}));
 410     }
 411     if ( defined $borrower->{'password'}
 412         and $borrower->{'password'} ne $borrower->{'password2'} )
 413     {
 414         push( @invalidFields, "password_match" );
 415     }
 416     if ( $borrower->{'password'}  && $minpw && (length($borrower->{'password'}) < $minpw) ) {
 417        push(@invalidFields, "password_invalid");
 418     }
 419     if ( $borrower->{'password'} ) {
 420        push(@invalidFields, "password_spaces") if ($borrower->{'password'} =~ /^\s/ or $borrower->{'password'} =~ /\s$/);
 421     }
 422
 423     return \@invalidFields;
 424 }
 425
 426 sub ParseCgiForBorrower {
 427     my ($cgi) = @_;
 428
 429     my $scrubber = C4::Scrubber->new();
 430     my %borrower;
 431
 432     foreach ( $cgi->param ) {
 433         if ( $_ =~ '^borrower_' ) {
 434             my ($key) = substr( $_, 9 );
 435             $borrower{$key} = $scrubber->scrub( scalar $cgi->param($_) );
 436         }
 437     }
 438
 439     my $dob_dt;
 440     $dob_dt = eval { dt_from_string( $borrower{'dateofbirth'} ); }
 441         if ( $borrower{'dateofbirth'} );
 442
 443     if ( $dob_dt ) {
 444         $borrower{'dateofbirth'} = output_pref ( { dt => $dob_dt, dateonly => 1, dateformat => 'iso' } );
 445     }
 446     else {
 447         # Trigger validation
 448         $borrower{'dateofbirth'} = undef;
 449     }
 450
 451     return %borrower;
 452 }
 453
 454 sub DelUnchangedFields {
 455     my ( $borrowernumber, %new_data ) = @_;
 456
 457     my $current_data = GetMember( borrowernumber => $borrowernumber );
 458
 459     foreach my $key ( keys %new_data ) {
 460         if ( $current_data->{$key} eq $new_data{$key} ) {
 461             delete $new_data{$key};
 462         }
 463     }
 464
 465     return %new_data;
 466 }
 467
 468 sub DelEmptyFields {
 469     my (%borrower) = @_;
 470
 471     foreach my $key ( keys %borrower ) {
 472         delete $borrower{$key} unless $borrower{$key};
 473     }
 474
 475     return %borrower;
 476 }
 477
 478 sub FilterUnchangedAttributes {
 479     my ( $borrowernumber, $entered_attributes ) = @_;
 480
 481     my @patron_attributes = grep {$_->opac_editable} Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
 482
 483     my $patron_attribute_types;
 484     foreach my $attr (@patron_attributes) {
 485         $patron_attribute_types->{ $attr->code } += 1;
 486     }
 487
 488     my $passed_attribute_types;
 489     foreach my $attr (@{ $entered_attributes }) {
 490         $passed_attribute_types->{ $attr->{ code } } += 1;
 491     }
 492
 493     my @changed_attributes;
 494
 495     # Loop through the current patron attributes
 496     foreach my $attribute_type ( keys %{ $patron_attribute_types } ) {
 497         if ( $patron_attribute_types->{ $attribute_type } !=  $passed_attribute_types->{ $attribute_type } ) {
 498             # count differs, overwrite all attributes for given type
 499             foreach my $attr (@{ $entered_attributes }) {
 500                 push @changed_attributes, $attr
 501                     if $attr->{ code } eq $attribute_type;
 502             }
 503         } else {
 504             # count matches, check values
 505             my $changes = 0;
 506             foreach my $attr (grep { $_->code eq $attribute_type } @patron_attributes) {
 507                 $changes = 1
 508                     unless any { $_->{ value } eq $attr->attribute } @{ $entered_attributes };
 509                 last if $changes;
 510             }
 511
 512             if ( $changes ) {
 513                 foreach my $attr (@{ $entered_attributes }) {
 514                     push @changed_attributes, $attr
 515                         if $attr->{ code } eq $attribute_type;
 516                 }
 517             }
 518         }
 519     }
 520
 521     # Loop through passed attributes, looking for new ones
 522     foreach my $attribute_type ( keys %{ $passed_attribute_types } ) {
 523         if ( !defined $patron_attribute_types->{ $attribute_type } ) {
 524             # YAY, new stuff
 525             foreach my $attr (grep { $_->{code} eq $attribute_type } @{ $entered_attributes }) {
 526                 push @changed_attributes, $attr;
 527             }
 528         }
 529     }
 530
 531     return \@changed_attributes;
 532 }
 533
 534 sub GeneratePatronAttributesForm {
 535     my ( $borrowernumber, $entered_attributes ) = @_;
 536
 537     # Get all attribute types and the values for this patron (if applicable)
 538     my @types = grep { $_->opac_editable() or $_->opac_display }
 539         Koha::Patron::Attribute::Types->search()->as_list();
 540     if ( scalar(@types) == 0 ) {
 541         return [];
 542     }
 543
 544     my @displayable_attributes = grep { $_->opac_display }
 545         Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
 546
 547     my %attr_values = ();
 548
 549     # Build the attribute values list either from the passed values
 550     # or taken from the patron itself
 551     if ( defined $entered_attributes ) {
 552         foreach my $attr (@$entered_attributes) {
 553             push @{ $attr_values{ $attr->{code} } }, $attr->{value};
 554         }
 555     }
 556     elsif ( defined $borrowernumber ) {
 557         my @editable_attributes = grep { $_->opac_editable } @displayable_attributes;
 558         foreach my $attr (@editable_attributes) {
 559             push @{ $attr_values{ $attr->code } }, $attr->attribute;
 560         }
 561     }
 562
 563     # Add the non-editable attributes (that don't come from the form)
 564     foreach my $attr ( grep { !$_->opac_editable } @displayable_attributes ) {
 565         push @{ $attr_values{ $attr->code } }, $attr->attribute;
 566     }
 567
 568     # Find all existing classes
 569     my @classes = sort( uniq( map { $_->class } @types ) );
 570     my %items_by_class;
 571
 572     foreach my $attr_type (@types) {
 573         push @{ $items_by_class{ $attr_type->class() } }, {
 574             type => $attr_type,
 575             # If editable, make sure there's at least one empty entry,
 576             # to make the template's job easier
 577             values => $attr_values{ $attr_type->code() } || ['']
 578         }
 579             unless !defined $attr_values{ $attr_type->code() }
 580                     and !$attr_type->opac_editable;
 581     }
 582
 583     # Finally, build a list of containing classes
 584     my @class_loop;
 585     foreach my $class (@classes) {
 586         next unless ( $items_by_class{$class} );
 587
 588         my $av = Koha::AuthorisedValues->search(
 589             { category => 'PA_CLASS', authorised_value => $class } );
 590
 591         my $lib = $av->count ? $av->next->opac_description : $class;
 592
 593         push @class_loop,
 594             {
 595             class => $class,
 596             items => $items_by_class{$class},
 597             lib   => $lib,
 598             };
 599     }
 600
 601     return \@class_loop;
 602 }
 603
 604 sub ParsePatronAttributes {
 605     my ( $borrowernumber, $cgi ) = @_;
 606
 607     my @codes  = $cgi->multi_param('patron_attribute_code');
 608     my @values = $cgi->multi_param('patron_attribute_value');
 609
 610     my @editable_attribute_types
 611         = map { $_->code } Koha::Patron::Attribute::Types->search({ opac_editable => 1 });
 612
 613     my $ea = each_array( @codes, @values );
 614     my @attributes;
 615
 616     my $delete_candidates = {};
 617
 618     while ( my ( $code, $value ) = $ea->() ) {
 619         if ( any { $_ eq $code } @editable_attribute_types ) {
 620             # It is an editable attribute
 621             if ( !defined($value) or $value eq '' ) {
 622                 $delete_candidates->{$code} = 1
 623                     unless $delete_candidates->{$code};
 624             }
 625             else {
 626                 # we've got a value
 627                 push @attributes, { code => $code, value => $value };
 628
 629                 # 'code' is no longer a delete candidate
 630                 delete $delete_candidates->{$code}
 631                     if defined $delete_candidates->{$code};
 632             }
 633         }
 634     }
 635
 636     foreach my $code ( keys %{$delete_candidates} ) {
 637         if ( Koha::Patron::Attributes->search({
 638                 borrowernumber => $borrowernumber, code => $code })->count > 0 )
 639         {
 640             push @attributes, { code => $code, value => '' }
 641                 unless any { $_->{code} eq $code } @attributes;
 642         }
 643     }
 644
 645     return \@attributes;
 646 }
 647
 648
 649 1;