Koha/Patrons.pm

   1 package Koha::Patrons;
   2
   3 # Copyright 2014 ByWater Solutions
   4 # Copyright 2016 Koha Development Team
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20
  21 use Modern::Perl;
  22
  23 use Carp;
  24
  25 use Koha::Database;
  26 use Koha::DateUtils;
  27
  28 use Koha::ArticleRequests;
  29 use Koha::ArticleRequest::Status;
  30 use Koha::Patron;
  31 use Koha::Exceptions::Patron;
  32 use Koha::Patron::Categories;
  33 use Date::Calc qw( Today Add_Delta_YMD );
  34
  35 use base qw(Koha::Objects);
  36
  37 =head1 NAME
  38
  39 Koha::Patron - Koha Patron Object class
  40
  41 =head1 API
  42
  43 =head2 Class Methods
  44
  45 =cut
  46
  47 =head3 search_limited
  48
  49 my $patrons = Koha::Patrons->search_limit( $params, $attributes );
  50
  51 Returns all the patrons the logged in user is allowed to see
  52
  53 =cut
  54
  55 sub search_limited {
  56     my ( $self, $params, $attributes ) = @_;
  57
  58     my $userenv = C4::Context->userenv;
  59     my @restricted_branchcodes;
  60     if ( $userenv and $userenv->{number} ) {
  61         my $logged_in_user = Koha::Patrons->find( $userenv->{number} );
  62         @restricted_branchcodes = $logged_in_user->libraries_where_can_see_patrons;
  63     }
  64     $params->{'me.branchcode'} = { -in => \@restricted_branchcodes } if @restricted_branchcodes;
  65     return $self->search( $params, $attributes );
  66 }
  67
  68 =head3 search_housebound_choosers
  69
  70 Returns all Patrons which are Housebound choosers.
  71
  72 =cut
  73
  74 sub search_housebound_choosers {
  75     my ( $self ) = @_;
  76     my $cho = $self->_resultset
  77         ->search_related('housebound_role', {
  78             housebound_chooser => 1,
  79         })->search_related('borrowernumber');
  80     return Koha::Patrons->_new_from_dbic($cho);
  81 }
  82
  83 =head3 search_housebound_deliverers
  84
  85 Returns all Patrons which are Housebound deliverers.
  86
  87 =cut
  88
  89 sub search_housebound_deliverers {
  90     my ( $self ) = @_;
  91     my $del = $self->_resultset
  92         ->search_related('housebound_role', {
  93             housebound_deliverer => 1,
  94         })->search_related('borrowernumber');
  95     return Koha::Patrons->_new_from_dbic($del);
  96 }
  97
  98 =head3 search_upcoming_membership_expires
  99
 100 my $patrons = Koha::Patrons->search_upcoming_membership_expires();
 101
 102 The 'before' and 'after' represent the number of days before/after the date
 103 that is set by the preference MembershipExpiryDaysNotice.
 104 If the pref is 14, before 2 and after 3 then you will get all expires
 105 from 12 to 17 days.
 106
 107 =cut
 108
 109 sub search_upcoming_membership_expires {
 110     my ( $self, $params ) = @_;
 111     my $before = $params->{before} || 0;
 112     my $after  = $params->{after} || 0;
 113     delete $params->{before};
 114     delete $params->{after};
 115
 116     my $days = C4::Context->preference("MembershipExpiryDaysNotice") || 0;
 117     my $date_before = dt_from_string->add( days => $days - $before );
 118     my $date_after = dt_from_string->add( days => $days + $after );
 119     my $dtf = Koha::Database->new->schema->storage->datetime_parser;
 120
 121     $params->{dateexpiry} = {
 122         ">=" => $dtf->format_date( $date_before ),
 123         "<=" => $dtf->format_date( $date_after ),
 124     };
 125     return $self->SUPER::search(
 126         $params, { join => ['branchcode', 'categorycode'] }
 127     );
 128 }
 129
 130 =head3 search_patrons_to_anonymise
 131
 132     my $patrons = Koha::Patrons->search_patrons_to_anonymise( { before => $older_than_date, [ library => $library ] } );
 133
 134 This method returns all patrons who has an issue history older than a given date.
 135
 136 =cut
 137
 138 sub search_patrons_to_anonymise {
 139     my ( $class, $params ) = @_;
 140     my $older_than_date = $params->{before};
 141     my $library         = $params->{library};
 142     $older_than_date = $older_than_date ? dt_from_string($older_than_date) : dt_from_string;
 143     $library ||=
 144       ( C4::Context->preference('IndependentBranches') && C4::Context->userenv && !C4::Context->IsSuperLibrarian() && C4::Context->userenv->{branch} )
 145       ? C4::Context->userenv->{branch}
 146       : undef;
 147     my $anonymous_patron = C4::Context->preference('AnonymousPatron') || undef;
 148
 149     my $dtf = Koha::Database->new->schema->storage->datetime_parser;
 150     my $rs = $class->_resultset->search(
 151         {   returndate                  => { '<'   =>  $dtf->format_datetime($older_than_date), },
 152             'old_issues.borrowernumber' => { 'not' => undef },
 153             privacy                     => { '<>'  => 0 },                  # Keep forever
 154             ( $library ? ( 'old_issues.branchcode' => $library ) : () ),
 155             ( $anonymous_patron ? ( 'old_issues.borrowernumber' => { '!=' => $anonymous_patron } ) : () ),
 156         },
 157         {   join     => ["old_issues"],
 158             distinct => 1,
 159         }
 160     );
 161     return Koha::Patrons->_new_from_dbic($rs);
 162 }
 163
 164 =head3 anonymise_issue_history
 165
 166     Koha::Patrons->search->anonymise_issue_history( { [ before => $older_than_date ] } );
 167
 168 Anonymise issue history (old_issues) for all patrons older than the given date (optional).
 169 To make sure all the conditions are met, the caller has the responsibility to
 170 call search_patrons_to_anonymise to filter the Koha::Patrons set
 171
 172 =cut
 173
 174 sub anonymise_issue_history {
 175     my ( $self, $params ) = @_;
 176
 177     my $older_than_date = $params->{before};
 178
 179     $older_than_date = dt_from_string $older_than_date if $older_than_date;
 180
 181     # The default of 0 does not work due to foreign key constraints
 182     # The anonymisation should not fail quietly if AnonymousPatron is not a valid entry
 183     # Set it to undef (NULL)
 184     my $dtf = Koha::Database->new->schema->storage->datetime_parser;
 185     my $nb_rows = 0;
 186     while ( my $patron = $self->next ) {
 187         my $old_issues_to_anonymise = $patron->old_checkouts->search(
 188         {
 189             (
 190                 $older_than_date
 191                 ? ( returndate =>
 192                       { '<' => $dtf->format_datetime($older_than_date) } )
 193                 : ()
 194             )
 195         }
 196         );
 197         my $anonymous_patron = C4::Context->preference('AnonymousPatron') || undef;
 198         $nb_rows += $old_issues_to_anonymise->update( { 'old_issues.borrowernumber' => $anonymous_patron } );
 199     }
 200     return $nb_rows;
 201 }
 202
 203 =head3 delete
 204
 205     Koha::Patrons->search({ some filters here })->delete({ move => 1 });
 206
 207     Delete passed set of patron objects.
 208     Wrapper for Koha::Patron->delete. (We do not want to bypass Koha::Patron
 209     and let DBIx do the job without further housekeeping.)
 210     Includes a move to deletedborrowers if move flag set.
 211
 212     Just like DBIx, the delete will only succeed when all entries could be
 213     deleted. Returns true or throws an exception.
 214
 215 =cut
 216
 217 sub delete {
 218     my ( $self, $params ) = @_;
 219     my $patrons_deleted;
 220     $self->_resultset->result_source->schema->txn_do( sub {
 221         my ( $set, $params ) = @_;
 222         my $count = $set->count;
 223         while ( my $patron = $set->next ) {
 224
 225             next unless $patron->in_storage;
 226
 227             $patron->move_to_deleted if $params->{move};
 228             $patron->delete;
 229
 230             $patrons_deleted++;
 231         }
 232     }, $self, $params );
 233     return $patrons_deleted;
 234 }
 235
 236 =head3 search_unsubscribed
 237
 238     Koha::Patrons->search_unsubscribed;
 239
 240     Returns a set of Koha patron objects for patrons that recently
 241     unsubscribed and are not locked (candidates for locking).
 242     Depends on UnsubscribeReflectionDelay.
 243
 244 =cut
 245
 246 sub search_unsubscribed {
 247     my ( $class ) = @_;
 248
 249     my $delay = C4::Context->preference('UnsubscribeReflectionDelay');
 250     if( !defined($delay) || $delay eq q{} ) {
 251         # return empty set
 252         return $class->search({ borrowernumber => undef });
 253     }
 254     my $parser = Koha::Database->new->schema->storage->datetime_parser;
 255     my $dt = dt_from_string()->subtract( days => $delay );
 256     my $str = $parser->format_datetime($dt);
 257     my $fails = C4::Context->preference('FailedLoginAttempts') || 0;
 258     my $cond = [ undef, 0, 1..$fails-1 ]; # NULL, 0, 1..fails-1 (if fails>0)
 259     return $class->search(
 260         {
 261             'patron_consents.refused_on' => { '<=' => $str },
 262             'login_attempts' => $cond,
 263         },
 264         { join => 'patron_consents' },
 265     );
 266 }
 267
 268 =head3 search_anonymize_candidates
 269
 270     Koha::Patrons->search_anonymize_candidates({ locked => 1 });
 271
 272     Returns a set of Koha patron objects for patrons whose account is expired
 273     and locked (if parameter set). These are candidates for anonymizing.
 274     Depends on PatronAnonymizeDelay.
 275
 276 =cut
 277
 278 sub search_anonymize_candidates {
 279     my ( $class, $params ) = @_;
 280
 281     my $delay = C4::Context->preference('PatronAnonymizeDelay');
 282     if( !defined($delay) || $delay eq q{} ) {
 283         # return empty set
 284         return $class->search({ borrowernumber => undef });
 285     }
 286     my $cond = {};
 287     my $parser = Koha::Database->new->schema->storage->datetime_parser;
 288     my $dt = dt_from_string()->subtract( days => $delay );
 289     my $str = $parser->format_datetime($dt);
 290     $cond->{dateexpiry} = { '<=' => $str };
 291     $cond->{anonymized} = 0; # not yet done
 292     if( $params->{locked} ) {
 293         my $fails = C4::Context->preference('FailedLoginAttempts') || 0;
 294         $cond->{login_attempts} = [ -and => { '!=' => undef }, { -not_in => [0, 1..$fails-1 ] } ]; # -not_in does not like undef
 295     }
 296     return $class->search( $cond );
 297 }
 298
 299 =head3 search_anonymized
 300
 301     Koha::Patrons->search_anonymized;
 302
 303     Returns a set of Koha patron objects for patron accounts that have been
 304     anonymized before and could be removed.
 305     Depends on PatronRemovalDelay.
 306
 307 =cut
 308
 309 sub search_anonymized {
 310     my ( $class ) = @_;
 311
 312     my $delay = C4::Context->preference('PatronRemovalDelay');
 313     if( !defined($delay) || $delay eq q{} ) {
 314         # return empty set
 315         return $class->search({ borrowernumber => undef });
 316     }
 317     my $cond = {};
 318     my $parser = Koha::Database->new->schema->storage->datetime_parser;
 319     my $dt = dt_from_string()->subtract( days => $delay );
 320     my $str = $parser->format_datetime($dt);
 321     $cond->{dateexpiry} = { '<=' => $str };
 322     $cond->{anonymized} = 1;
 323     return $class->search( $cond );
 324 }
 325
 326 =head3 lock
 327
 328     Koha::Patrons->search({ some filters })->lock({ expire => 1, remove => 1 })
 329
 330     Lock the passed set of patron objects. Optionally expire and remove holds.
 331     Wrapper around Koha::Patron->lock.
 332
 333 =cut
 334
 335 sub lock {
 336     my ( $self, $params ) = @_;
 337     my $count = $self->count;
 338     while( my $patron = $self->next ) {
 339         $patron->lock($params);
 340     }
 341 }
 342
 343 =head3 anonymize
 344
 345     Koha::Patrons->search({ some filters })->anonymize();
 346
 347     Anonymize passed set of patron objects.
 348     Wrapper around Koha::Patron->anonymize.
 349
 350 =cut
 351
 352 sub anonymize {
 353     my ( $self ) = @_;
 354     my $count = $self->count;
 355     while( my $patron = $self->next ) {
 356         $patron->anonymize;
 357     }
 358 }
 359
 360 =head3 search_patrons_to_update_category
 361
 362     my $patrons = Koha::Patrons->search_patrons_to_update_category( {
 363                       from          => $from_category,
 364                       fine_max      => $fine_max,
 365                       fine_min      => $fin_min,
 366                       too_young     => $too_young,
 367                       too_old      => $too_old,
 368                   });
 369
 370 This method returns all patron who should be updated from one category to another meeting criteria:
 371
 372 from          - borrower categorycode
 373 fine_min      - with fines totaling at least this amount
 374 fine_max      - with fines above this amount
 375 too_young     - if passed, select patrons who are under the age limit for the current category
 376 too_old       - if passed, select patrons who are over the age limit for the current category
 377
 378 =cut
 379
 380 sub search_patrons_to_update_category {
 381     my ( $self, $params ) = @_;
 382     my %query;
 383     my $search_params;
 384
 385     my $cat_from = Koha::Patron::Categories->find($params->{from});
 386     $search_params->{categorycode}=$params->{from};
 387     if ($params->{too_young} || $params->{too_old}){
 388         my $dtf = Koha::Database->new->schema->storage->datetime_parser;
 389         if( $cat_from->dateofbirthrequired && $params->{too_young} ) {
 390             my $date_after = dt_from_string()->subtract( years => $cat_from->dateofbirthrequired);
 391             $search_params->{dateofbirth}{'>'} = $dtf->format_datetime( $date_after );
 392         }
 393         if( $cat_from->upperagelimit && $params->{too_old} ) {
 394             my $date_before = dt_from_string()->subtract( years => $cat_from->upperagelimit);
 395             $search_params->{dateofbirth}{'<'} = $dtf->format_datetime( $date_before );
 396         }
 397     }
 398     if ($params->{fine_min} || $params->{fine_max}) {
 399         $query{join} = ["accountlines"];
 400         $query{select} = ["borrowernumber", "accountlines.amountoutstanding" ];
 401         $query{group_by} = ["borrowernumber"];
 402         $query{having} = \['sum(accountlines.amountoutstanding) <= ?',$params->{fine_max}] if defined $params->{fine_max};
 403         $query{having} = \['sum(accountlines.amountoutstanding) >= ?',$params->{fine_min}] if defined $params->{fine_min};
 404     }
 405     return $self->search($search_params,\%query);
 406 }
 407
 408 =head3 update_category_to
 409
 410     Koha::Patrons->search->update_category_to( {
 411             category   => $to_category,
 412         });
 413
 414 Update supplied patrons from current category to another and take care of guarantor info.
 415 To make sure all the conditions are met, the caller has the responsibility to
 416 call search_patrons_to_update to filter the Koha::Patrons set
 417
 418 =cut
 419
 420 sub update_category_to {
 421     my ( $self, $params ) = @_;
 422     my $counter = 0;
 423     while( my $patron = $self->next ) {
 424         $counter++;
 425         $patron->categorycode($params->{category})->store();
 426     }
 427     return $counter;
 428 }
 429
 430 =head3 _type
 431
 432 =cut
 433
 434 sub _type {
 435     return 'Borrower';
 436 }
 437
 438 =head3 object_class
 439
 440 =cut
 441
 442 sub object_class {
 443     return 'Koha::Patron';
 444 }
 445
 446 =head1 AUTHOR
 447
 448 Kyle M Hall <kyle@bywatersolutions.com>
 449
 450 =cut
 451
 452 1;