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 JSON;
  23 use List::MoreUtils qw( any each_array uniq );
  24 use String::Random qw( random_string );
  25
  26 use C4::Auth;
  27 use C4::Output;
  28 use C4::Members;
  29 use C4::Members::Attributes qw( GetBorrowerAttributes );
  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::Patrons;
  46 use Koha::Token;
  47
  48 my $cgi = new CGI;
  49 my $dbh = C4::Context->dbh;
  50
  51 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
  52     {
  53         template_name   => "opac-memberentry.tt",
  54         type            => "opac",
  55         query           => $cgi,
  56         authnotrequired => 1,
  57     }
  58 );
  59
  60 unless ( C4::Context->preference('PatronSelfRegistration') || $borrowernumber )
  61 {
  62     print $cgi->redirect("/cgi-bin/koha/opac-main.pl");
  63     exit;
  64 }
  65
  66 my $action = $cgi->param('action') || q{};
  67 if ( $action eq q{} ) {
  68     if ($borrowernumber) {
  69         $action = 'edit';
  70     }
  71     else {
  72         $action = 'new';
  73     }
  74 }
  75
  76 my $mandatory = GetMandatoryFields($action);
  77
  78 my @libraries = Koha::Libraries->search;
  79 if ( my @libraries_to_display = split '\|', C4::Context->preference('PatronSelfRegistrationLibraryList') ) {
  80     @libraries = map { my $b = $_; my $branchcode = $_->branchcode; grep( /^$branchcode$/, @libraries_to_display ) ? $b : () } @libraries;
  81 }
  82 my ( $min, $max ) = C4::Members::get_cardnumber_length();
  83 if ( defined $min ) {
  84      $template->param(
  85          minlength_cardnumber => $min,
  86          maxlength_cardnumber => $max
  87      );
  88  }
  89
  90 $template->param(
  91     action            => $action,
  92     hidden            => GetHiddenFields( $mandatory, $action ),
  93     mandatory         => $mandatory,
  94     libraries         => \@libraries,
  95     OPACPatronDetails => C4::Context->preference('OPACPatronDetails'),
  96 );
  97
  98 my $attributes = ParsePatronAttributes($borrowernumber,$cgi);
  99 my $conflicting_attribute = 0;
 100
 101 foreach my $attr (@$attributes) {
 102     unless ( C4::Members::Attributes::CheckUniqueness($attr->{code}, $attr->{value}, $borrowernumber) ) {
 103         my $attr_info = C4::Members::AttributeTypes->fetch($attr->{code});
 104         $template->param(
 105             extended_unique_id_failed_code => $attr->{code},
 106             extended_unique_id_failed_value => $attr->{value},
 107             extended_unique_id_failed_description => $attr_info->description()
 108         );
 109         $conflicting_attribute = 1;
 110     }
 111 }
 112
 113 if ( $action eq 'create' ) {
 114
 115     my %borrower = ParseCgiForBorrower($cgi);
 116
 117     %borrower = DelEmptyFields(%borrower);
 118
 119     my @empty_mandatory_fields = CheckMandatoryFields( \%borrower, $action );
 120     my $invalidformfields = CheckForInvalidFields(\%borrower);
 121     delete $borrower{'password2'};
 122     my $cardnumber_error_code;
 123     if ( !grep { $_ eq 'cardnumber' } @empty_mandatory_fields ) {
 124         # No point in checking the cardnumber if it's missing and mandatory, it'll just generate a
 125         # spurious length warning.
 126         $cardnumber_error_code = checkcardnumber( $borrower{cardnumber}, $borrower{borrowernumber} );
 127     }
 128
 129     if ( @empty_mandatory_fields || @$invalidformfields || $cardnumber_error_code || $conflicting_attribute ) {
 130         if ( $cardnumber_error_code == 1 ) {
 131             $template->param( cardnumber_already_exists => 1 );
 132         } elsif ( $cardnumber_error_code == 2 ) {
 133             $template->param( cardnumber_wrong_length => 1 );
 134         }
 135
 136         $template->param(
 137             empty_mandatory_fields => \@empty_mandatory_fields,
 138             invalid_form_fields    => $invalidformfields,
 139             borrower               => \%borrower
 140         );
 141         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
 142     }
 143     elsif (
 144         md5_base64( uc( $cgi->param('captcha') ) ) ne $cgi->param('captcha_digest') )
 145     {
 146         $template->param(
 147             failed_captcha => 1,
 148             borrower       => \%borrower
 149         );
 150         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( undef, $attributes ) );
 151     }
 152     else {
 153         if (
 154             C4::Context->boolean_preference(
 155                 'PatronSelfRegistrationVerifyByEmail')
 156           )
 157         {
 158             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 159                 {
 160                     template_name   => "opac-registration-email-sent.tt",
 161                     type            => "opac",
 162                     query           => $cgi,
 163                     authnotrequired => 1,
 164                 }
 165             );
 166             $template->param( 'email' => $borrower{'email'} );
 167
 168             my $verification_token = md5_hex( time().{}.rand().{}.$$ );
 169             while ( Koha::Patron::Modifications->search( { verification_token => $verification_token } )->count() ) {
 170                 $verification_token = md5_hex( time().{}.rand().{}.$$ );
 171             }
 172
 173             $borrower{password}          = Koha::AuthUtils::generate_password unless $borrower{password};
 174             $borrower{verification_token} = $verification_token;
 175
 176             Koha::Patron::Modification->new( \%borrower )->store();
 177
 178             #Send verification email
 179             my $letter = C4::Letters::GetPreparedLetter(
 180                 module      => 'members',
 181                 letter_code => 'OPAC_REG_VERIFY',
 182                 lang        => 'default', # Patron does not have a preferred language defined yet
 183                 tables      => {
 184                     borrower_modifications => $verification_token,
 185                 },
 186             );
 187
 188             C4::Letters::EnqueueLetter(
 189                 {
 190                     letter                 => $letter,
 191                     message_transport_type => 'email',
 192                     to_address             => $borrower{'email'},
 193                     from_address =>
 194                       C4::Context->preference('KohaAdminEmailAddress'),
 195                 }
 196             );
 197         }
 198         else {
 199             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 200                 {
 201                     template_name   => "opac-registration-confirmation.tt",
 202                     type            => "opac",
 203                     query           => $cgi,
 204                     authnotrequired => 1,
 205                 }
 206             );
 207
 208             $template->param( OpacPasswordChange =>
 209                   C4::Context->preference('OpacPasswordChange') );
 210
 211             $borrower{categorycode}     ||= C4::Context->preference('PatronSelfRegistrationDefaultCategory');
 212             $borrower{password}         ||= Koha::AuthUtils::generate_password;
 213             my $consent_dt = delete $borrower{gdpr_proc_consent};
 214             my $patron = Koha::Patron->new( \%borrower )->store;
 215             Koha::Patron::Consent->new({ borrowernumber => $patron->borrowernumber, type => 'GDPR_PROCESSING', given_on => $consent_dt })->store if $consent_dt;
 216             if ( $patron ) {
 217                 C4::Members::Attributes::SetBorrowerAttributes( $patron->borrowernumber, $attributes );
 218                 if ( C4::Context->preference('EnhancedMessagingPreferences') ) {
 219                     C4::Form::MessagingPreferences::handle_form_action(
 220                         $cgi,
 221                         { borrowernumber => $patron->borrowernumber },
 222                         $template,
 223                         1,
 224                         C4::Context->preference('PatronSelfRegistrationDefaultCategory')
 225                     );
 226                 }
 227
 228                 $template->param( password_cleartext => $patron->plain_text_password );
 229                 $template->param( borrower => $patron->unblessed );
 230             } else {
 231                 # FIXME Handle possible errors here
 232             }
 233             $template->param(
 234                 PatronSelfRegistrationAdditionalInstructions =>
 235                   C4::Context->preference(
 236                     'PatronSelfRegistrationAdditionalInstructions')
 237             );
 238         }
 239     }
 240 }
 241 elsif ( $action eq 'update' ) {
 242
 243     my $borrower = Koha::Patrons->find( $borrowernumber )->unblessed;
 244     die "Wrong CSRF token"
 245         unless Koha::Token->new->check_csrf({
 246             session_id => scalar $cgi->cookie('CGISESSID'),
 247             token  => scalar $cgi->param('csrf_token'),
 248         });
 249
 250     my %borrower = ParseCgiForBorrower($cgi);
 251     $borrower{borrowernumber} = $borrowernumber;
 252
 253     my %borrower_changes = DelEmptyFields(%borrower);
 254     my @empty_mandatory_fields =
 255       CheckMandatoryFields( \%borrower_changes, $action );
 256     my $invalidformfields = CheckForInvalidFields(\%borrower);
 257
 258     # Send back the data to the template
 259     %borrower = ( %$borrower, %borrower );
 260
 261     if (@empty_mandatory_fields || @$invalidformfields) {
 262         $template->param(
 263             empty_mandatory_fields => \@empty_mandatory_fields,
 264             invalid_form_fields    => $invalidformfields,
 265             borrower               => \%borrower,
 266             csrf_token             => Koha::Token->new->generate_csrf({
 267                 session_id => scalar $cgi->cookie('CGISESSID'),
 268             }),
 269         );
 270         $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ) );
 271
 272         $template->param( action => 'edit' );
 273     }
 274     else {
 275         my %borrower_changes = DelUnchangedFields( $borrowernumber, %borrower );
 276         my $extended_attributes_changes = FilterUnchangedAttributes( $borrowernumber, $attributes );
 277
 278         if ( %borrower_changes || scalar @{$extended_attributes_changes} > 0 ) {
 279             ( $template, $borrowernumber, $cookie ) = get_template_and_user(
 280                 {
 281                     template_name   => "opac-memberentry-update-submitted.tt",
 282                     type            => "opac",
 283                     query           => $cgi,
 284                     authnotrequired => 1,
 285                 }
 286             );
 287
 288             $borrower_changes{borrowernumber} = $borrowernumber;
 289             $borrower_changes{extended_attributes} = to_json($extended_attributes_changes);
 290
 291             Koha::Patron::Modifications->search({ borrowernumber => $borrowernumber })->delete;
 292
 293             my $m = Koha::Patron::Modification->new( \%borrower_changes )->store();
 294
 295             my $patron = Koha::Patrons->find( $borrowernumber );
 296             $template->param( borrower => $patron->unblessed );
 297         }
 298         else {
 299             my $patron = Koha::Patrons->find( $borrowernumber );
 300             $template->param(
 301                 action => 'edit',
 302                 nochanges => 1,
 303                 borrower => $patron->unblessed,
 304                 patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber, $attributes ),
 305                 csrf_token => Koha::Token->new->generate_csrf({
 306                     session_id => scalar $cgi->cookie('CGISESSID'),
 307                 }),
 308             );
 309         }
 310     }
 311 }
 312 elsif ( $action eq 'edit' ) {    #Display logged in borrower's data
 313     my $patron = Koha::Patrons->find( $borrowernumber );
 314     my $borrower = $patron->unblessed;
 315
 316     $template->param(
 317         borrower  => $borrower,
 318         guarantor => scalar Koha::Patrons->find($borrowernumber)->guarantor(),
 319         hidden => GetHiddenFields( $mandatory, 'edit' ),
 320         csrf_token => Koha::Token->new->generate_csrf({
 321             session_id => scalar $cgi->cookie('CGISESSID'),
 322         }),
 323     );
 324
 325     if (C4::Context->preference('OPACpatronimages')) {
 326         $template->param( display_patron_image => 1 ) if $patron->image;
 327     }
 328
 329     $template->param( patron_attribute_classes => GeneratePatronAttributesForm( $borrowernumber ) );
 330 } else {
 331     # Render self-registration page
 332     $template->param( patron_attribute_classes => GeneratePatronAttributesForm() );
 333 }
 334
 335 my $captcha = random_string("CCCCC");
 336
 337 $template->param(
 338     captcha        => $captcha,
 339     captcha_digest => md5_base64($captcha)
 340 );
 341
 342 output_html_with_http_headers $cgi, $cookie, $template->output, undef, { force_no_caching => 1 };
 343
 344 sub GetHiddenFields {
 345     my ( $mandatory, $action ) = @_;
 346     my %hidden_fields;
 347
 348     my $BorrowerUnwantedField = $action eq 'edit' || $action eq 'update' ?
 349       C4::Context->preference( "PatronSelfModificationBorrowerUnwantedField" ) :
 350       C4::Context->preference( "PatronSelfRegistrationBorrowerUnwantedField" );
 351
 352     my @fields = split( /\|/, $BorrowerUnwantedField || q|| );
 353     foreach (@fields) {
 354         next unless m/\w/o;
 355         #Don't hide mandatory fields
 356         next if $mandatory->{$_};
 357         $hidden_fields{$_} = 1;
 358     }
 359
 360     return \%hidden_fields;
 361 }
 362
 363 sub GetMandatoryFields {
 364     my ($action) = @_;
 365
 366     my %mandatory_fields;
 367
 368     my $BorrowerMandatoryField =
 369       C4::Context->preference("PatronSelfRegistrationBorrowerMandatoryField");
 370
 371     my @fields = split( /\|/, $BorrowerMandatoryField );
 372     push @fields, 'gdpr_proc_consent' if C4::Context->preference('GDPR_Policy');
 373
 374     foreach (@fields) {
 375         $mandatory_fields{$_} = 1;
 376     }
 377
 378     if ( $action eq 'create' || $action eq 'new' ) {
 379         $mandatory_fields{'email'} = 1
 380           if C4::Context->boolean_preference(
 381             'PatronSelfRegistrationVerifyByEmail');
 382     }
 383
 384     return \%mandatory_fields;
 385 }
 386
 387 sub CheckMandatoryFields {
 388     my ( $borrower, $action ) = @_;
 389
 390     my @empty_mandatory_fields;
 391
 392     my $mandatory_fields = GetMandatoryFields($action);
 393     delete $mandatory_fields->{'cardnumber'};
 394
 395     foreach my $key ( keys %$mandatory_fields ) {
 396         push( @empty_mandatory_fields, $key )
 397           unless ( defined( $borrower->{$key} ) && $borrower->{$key} );
 398     }
 399
 400     return @empty_mandatory_fields;
 401 }
 402
 403 sub CheckForInvalidFields {
 404     my $borrower = shift;
 405     my @invalidFields;
 406     if ($borrower->{'email'}) {
 407         unless ( Email::Valid->address($borrower->{'email'}) ) {
 408             push(@invalidFields, "email");
 409         } elsif ( C4::Context->preference("PatronSelfRegistrationEmailMustBeUnique") ) {
 410             my $patrons_with_same_email = Koha::Patrons->search( # FIXME Should be search_limited?
 411                 {
 412                     email => $borrower->{email},
 413                     (
 414                         exists $borrower->{borrowernumber}
 415                         ? ( borrowernumber =>
 416                               { '!=' => $borrower->{borrowernumber} } )
 417                         : ()
 418                     )
 419                 }
 420             )->count;
 421             if ( $patrons_with_same_email ) {
 422                 push @invalidFields, "duplicate_email";
 423             }
 424         }
 425     }
 426     if ($borrower->{'emailpro'}) {
 427         push(@invalidFields, "emailpro") if (!Email::Valid->address($borrower->{'emailpro'}));
 428     }
 429     if ($borrower->{'B_email'}) {
 430         push(@invalidFields, "B_email") if (!Email::Valid->address($borrower->{'B_email'}));
 431     }
 432     if ( defined $borrower->{'password'}
 433         and $borrower->{'password'} ne $borrower->{'password2'} )
 434     {
 435         push( @invalidFields, "password_match" );
 436     }
 437     if ( $borrower->{'password'} ) {
 438         my ( $is_valid, $error ) = Koha::AuthUtils::is_password_valid( $borrower->{password} );
 439           unless ( $is_valid ) {
 440               push @invalidFields, 'password_too_short' if $error eq 'too_short';
 441               push @invalidFields, 'password_too_weak' if $error eq 'too_weak';
 442               push @invalidFields, 'password_has_whitespaces' if $error eq 'has_whitespaces';
 443           }
 444     }
 445
 446     return \@invalidFields;
 447 }
 448
 449 sub ParseCgiForBorrower {
 450     my ($cgi) = @_;
 451
 452     my $scrubber = C4::Scrubber->new();
 453     my %borrower;
 454
 455     foreach my $field ( $cgi->param ) {
 456         if ( $field =~ '^borrower_' ) {
 457             my ($key) = substr( $field, 9 );
 458             if ( $field !~ '^borrower_password' ) {
 459                 $borrower{$key} = $scrubber->scrub( scalar $cgi->param($field) );
 460             } else {
 461                 # Allow html characters for passwords
 462                 $borrower{$key} = $cgi->param($field);
 463             }
 464         }
 465     }
 466
 467     my $dob_dt;
 468     $dob_dt = eval { dt_from_string( $borrower{'dateofbirth'} ); }
 469         if ( $borrower{'dateofbirth'} );
 470
 471     if ( $dob_dt ) {
 472         $borrower{'dateofbirth'} = output_pref ( { dt => $dob_dt, dateonly => 1, dateformat => 'iso' } );
 473     }
 474     else {
 475         # Trigger validation
 476         $borrower{'dateofbirth'} = undef;
 477     }
 478
 479     # Replace checkbox 'agreed' by datetime in gdpr_proc_consent
 480     $borrower{gdpr_proc_consent} = dt_from_string if  $borrower{gdpr_proc_consent} && $borrower{gdpr_proc_consent} eq 'agreed';
 481
 482     return %borrower;
 483 }
 484
 485 sub DelUnchangedFields {
 486     my ( $borrowernumber, %new_data ) = @_;
 487
 488     my $patron = Koha::Patrons->find( $borrowernumber );
 489     my $current_data = $patron->unblessed;
 490
 491     foreach my $key ( keys %new_data ) {
 492         if ( $current_data->{$key} eq $new_data{$key} ) {
 493             delete $new_data{$key};
 494         }
 495     }
 496
 497     return %new_data;
 498 }
 499
 500 sub DelEmptyFields {
 501     my (%borrower) = @_;
 502
 503     foreach my $key ( keys %borrower ) {
 504         delete $borrower{$key} unless $borrower{$key};
 505     }
 506
 507     return %borrower;
 508 }
 509
 510 sub FilterUnchangedAttributes {
 511     my ( $borrowernumber, $entered_attributes ) = @_;
 512
 513     my @patron_attributes = grep {$_->opac_editable} Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
 514
 515     my $patron_attribute_types;
 516     foreach my $attr (@patron_attributes) {
 517         $patron_attribute_types->{ $attr->code } += 1;
 518     }
 519
 520     my $passed_attribute_types;
 521     foreach my $attr (@{ $entered_attributes }) {
 522         $passed_attribute_types->{ $attr->{ code } } += 1;
 523     }
 524
 525     my @changed_attributes;
 526
 527     # Loop through the current patron attributes
 528     foreach my $attribute_type ( keys %{ $patron_attribute_types } ) {
 529         if ( $patron_attribute_types->{ $attribute_type } !=  $passed_attribute_types->{ $attribute_type } ) {
 530             # count differs, overwrite all attributes for given type
 531             foreach my $attr (@{ $entered_attributes }) {
 532                 push @changed_attributes, $attr
 533                     if $attr->{ code } eq $attribute_type;
 534             }
 535         } else {
 536             # count matches, check values
 537             my $changes = 0;
 538             foreach my $attr (grep { $_->code eq $attribute_type } @patron_attributes) {
 539                 $changes = 1
 540                     unless any { $_->{ value } eq $attr->attribute } @{ $entered_attributes };
 541                 last if $changes;
 542             }
 543
 544             if ( $changes ) {
 545                 foreach my $attr (@{ $entered_attributes }) {
 546                     push @changed_attributes, $attr
 547                         if $attr->{ code } eq $attribute_type;
 548                 }
 549             }
 550         }
 551     }
 552
 553     # Loop through passed attributes, looking for new ones
 554     foreach my $attribute_type ( keys %{ $passed_attribute_types } ) {
 555         if ( !defined $patron_attribute_types->{ $attribute_type } ) {
 556             # YAY, new stuff
 557             foreach my $attr (grep { $_->{code} eq $attribute_type } @{ $entered_attributes }) {
 558                 push @changed_attributes, $attr;
 559             }
 560         }
 561     }
 562
 563     return \@changed_attributes;
 564 }
 565
 566 sub GeneratePatronAttributesForm {
 567     my ( $borrowernumber, $entered_attributes ) = @_;
 568
 569     # Get all attribute types and the values for this patron (if applicable)
 570     my @types = grep { $_->opac_editable() or $_->opac_display }
 571         Koha::Patron::Attribute::Types->search()->as_list();
 572     if ( scalar(@types) == 0 ) {
 573         return [];
 574     }
 575
 576     my @displayable_attributes = grep { $_->opac_display }
 577         Koha::Patron::Attributes->search({ borrowernumber => $borrowernumber })->as_list;
 578
 579     my %attr_values = ();
 580
 581     # Build the attribute values list either from the passed values
 582     # or taken from the patron itself
 583     if ( defined $entered_attributes ) {
 584         foreach my $attr (@$entered_attributes) {
 585             push @{ $attr_values{ $attr->{code} } }, $attr->{value};
 586         }
 587     }
 588     elsif ( defined $borrowernumber ) {
 589         my @editable_attributes = grep { $_->opac_editable } @displayable_attributes;
 590         foreach my $attr (@editable_attributes) {
 591             push @{ $attr_values{ $attr->code } }, $attr->attribute;
 592         }
 593     }
 594
 595     # Add the non-editable attributes (that don't come from the form)
 596     foreach my $attr ( grep { !$_->opac_editable } @displayable_attributes ) {
 597         push @{ $attr_values{ $attr->code } }, $attr->attribute;
 598     }
 599
 600     # Find all existing classes
 601     my @classes = sort( uniq( map { $_->class } @types ) );
 602     my %items_by_class;
 603
 604     foreach my $attr_type (@types) {
 605         push @{ $items_by_class{ $attr_type->class() } }, {
 606             type => $attr_type,
 607             # If editable, make sure there's at least one empty entry,
 608             # to make the template's job easier
 609             values => $attr_values{ $attr_type->code() } || ['']
 610         }
 611             unless !defined $attr_values{ $attr_type->code() }
 612                     and !$attr_type->opac_editable;
 613     }
 614
 615     # Finally, build a list of containing classes
 616     my @class_loop;
 617     foreach my $class (@classes) {
 618         next unless ( $items_by_class{$class} );
 619
 620         my $av = Koha::AuthorisedValues->search(
 621             { category => 'PA_CLASS', authorised_value => $class } );
 622
 623         my $lib = $av->count ? $av->next->opac_description : $class;
 624
 625         push @class_loop,
 626             {
 627             class => $class,
 628             items => $items_by_class{$class},
 629             lib   => $lib,
 630             };
 631     }
 632
 633     return \@class_loop;
 634 }
 635
 636 sub ParsePatronAttributes {
 637     my ( $borrowernumber, $cgi ) = @_;
 638
 639     my @codes  = $cgi->multi_param('patron_attribute_code');
 640     my @values = $cgi->multi_param('patron_attribute_value');
 641
 642     my @editable_attribute_types
 643         = map { $_->code } Koha::Patron::Attribute::Types->search({ opac_editable => 1 });
 644
 645     my $ea = each_array( @codes, @values );
 646     my @attributes;
 647
 648     my $delete_candidates = {};
 649
 650     while ( my ( $code, $value ) = $ea->() ) {
 651         if ( any { $_ eq $code } @editable_attribute_types ) {
 652             # It is an editable attribute
 653             if ( !defined($value) or $value eq '' ) {
 654                 $delete_candidates->{$code} = 1
 655                     unless $delete_candidates->{$code};
 656             }
 657             else {
 658                 # we've got a value
 659                 push @attributes, { code => $code, value => $value };
 660
 661                 # 'code' is no longer a delete candidate
 662                 delete $delete_candidates->{$code}
 663                     if defined $delete_candidates->{$code};
 664             }
 665         }
 666     }
 667
 668     foreach my $code ( keys %{$delete_candidates} ) {
 669         if ( Koha::Patron::Attributes->search({
 670                 borrowernumber => $borrowernumber, code => $code })->count > 0 )
 671         {
 672             push @attributes, { code => $code, value => '' }
 673                 unless any { $_->{code} eq $code } @attributes;
 674         }
 675     }
 676
 677     return \@attributes;
 678 }
 679
 680
 681 1;