C4/SIP/ILS.pm

   1 #
   2 # ILS.pm: Koha ILS interface module
   3 #
   4
   5 package ILS;
   6
   7 use warnings;
   8 use strict;
   9 use Sys::Syslog qw(syslog);
  10
  11 use ILS::Item;
  12 use ILS::Patron;
  13 use ILS::Transaction;
  14 use ILS::Transaction::Checkout;
  15 use ILS::Transaction::Checkin;
  16 use ILS::Transaction::FeePayment;
  17 use ILS::Transaction::Hold;
  18 use ILS::Transaction::Renew;
  19 use ILS::Transaction::RenewAll;
  20
  21 my $debug = 0;
  22
  23 my %supports = (
  24     'magnetic media'        => 1,
  25     'security inhibit'      => 0,
  26     'offline operation'     => 0,
  27     "patron status request" => 1,
  28     "checkout"              => 1,
  29     "checkin"               => 1,
  30     "block patron"          => 1,
  31     "acs status"            => 1,
  32     "login"                 => 1,
  33     "patron information"    => 1,
  34     "end patron session"    => 1,
  35     "fee paid"              => 1,
  36     "item information"      => 1,
  37     "item status update"    => 0,
  38     "patron enable"         => 1,
  39     "hold"                  => 1,
  40     "renew"                 => 1,
  41     "renew all"             => 1,
  42 );
  43
  44 sub new {
  45     my ($class, $institution) = @_;
  46     my $type = ref($class) || $class;
  47     my $self = {};
  48         use Data::Dumper;
  49         $debug and warn "new ILS: INSTITUTION: " . Dumper($institution);
  50     syslog("LOG_DEBUG", "new ILS '%s'", $institution->{id});
  51     $self->{institution} = $institution;
  52     return bless $self, $type;
  53 }
  54
  55 sub find_patron {
  56     my $self = shift;
  57         $debug and warn "ILS: finding patron";
  58     return ILS::Patron->new(@_);
  59 }
  60
  61 sub find_item {
  62     my $self = shift;
  63         $debug and warn "ILS: finding item";
  64     return ILS::Item->new(@_);
  65 }
  66
  67 sub institution {
  68     my $self = shift;
  69     return $self->{institution}->{id};  # consider making this return the whole institution
  70 }
  71
  72 sub institution_id {
  73     my $self = shift;
  74     return $self->{institution}->{id};
  75 }
  76
  77 sub supports {
  78     my ($self, $op) = @_;
  79     return (exists($supports{$op}) && $supports{$op});
  80 }
  81
  82 sub check_inst_id {
  83     my ($self, $id, $whence) = @_;
  84     if ($id ne $self->{institution}->{id}) {
  85         syslog("LOG_WARNING", "%s: received institution '%s', expected '%s'", $whence, $id, $self->{institution}->{id});
  86         # Just an FYI check, we don't expect the user to change location from that in SIPconfig.xml
  87     }
  88 }
  89
  90 sub to_bool {
  91     my $bool = shift;
  92     # If it's defined, and matches a true sort of string, or is
  93     # a non-zero number, then it's true.
  94     defined($bool) or return;                   # false
  95     ($bool =~ /true|y|yes/i) and return 1;      # true
  96     return ($bool =~ /^\d+$/ and $bool != 0);   # true for non-zero numbers, false otherwise
  97 }
  98
  99 sub checkout_ok {
 100     my $self = shift;
 101     return (exists($self->{institution}->{policy}->{checkout})
 102             && to_bool($self->{institution}->{policy}->{checkout}));
 103 }
 104 sub checkin_ok {
 105     my $self = shift;
 106     return (exists($self->{institution}->{policy}->{checkin})
 107             && to_bool($self->{institution}->{policy}->{checkin}));
 108 }
 109 sub status_update_ok {
 110     my $self = shift;
 111     return (exists($self->{institution}->{policy}->{status_update})
 112             && to_bool($self->{institution}->{policy}->{status_update}));
 113 }
 114 sub offline_ok {
 115     my $self = shift;
 116     return (exists($self->{institution}->{policy}->{offline})
 117             && to_bool($self->{institution}->{policy}->{offline}));
 118 }
 119
 120 #
 121 # Checkout(patron_id, item_id, sc_renew):
 122 #    patron_id & item_id are the identifiers send by the terminal
 123 #    sc_renew is the renewal policy configured on the terminal
 124 # returns a status opject that can be queried for the various bits
 125 # of information that the protocol (SIP or NCIP) needs to generate
 126 # the response.
 127 #
 128 sub checkout {
 129     my ($self, $patron_id, $item_id, $sc_renew) = @_;
 130     my ($patron, $item, $circ);
 131
 132     $circ = new ILS::Transaction::Checkout;
 133     # BEGIN TRANSACTION
 134     $circ->patron($patron = new ILS::Patron $patron_id);
 135     $circ->item($item = new ILS::Item $item_id);
 136
 137     if (!$patron) {
 138                 $circ->screen_msg("Invalid Patron");
 139     } elsif (!$patron->charge_ok) {
 140                 $circ->screen_msg("Patron Blocked");
 141     } elsif (!$item) {
 142                 $circ->screen_msg("Invalid Item");
 143     # holds checked inside do_checkout
 144     # } elsif ($item->hold_queue && @{$item->hold_queue} && ! $item->barcode_is_borrowernumber($patron_id, $item->hold_queue->[0]->{borrowernumber})) {
 145         #       $circ->screen_msg("Item on Hold for Another User");
 146     } elsif ($item->{patron} && ($item->{patron} ne $patron_id)) {
 147         # I can't deal with this right now
 148                 $circ->screen_msg("Item checked out to another patron");
 149     } else {
 150                 $circ->do_checkout();
 151                 if ($circ->ok){
 152                         $debug and warn "circ is ok";
 153                         # If the item is already associated with this patron, then
 154                         # we're renewing it.
 155                         $circ->renew_ok($item->{patron} && ($item->{patron} eq $patron_id));
 156
 157                         $item->{patron} = $patron_id;
 158                         $item->{due_date} = $circ->{due};
 159                         push(@{$patron->{items}}, $item_id);
 160                         $circ->desensitize(!$item->magnetic_media);
 161
 162                         syslog("LOG_DEBUG", "ILS::Checkout: patron %s has checked out %s",
 163                                 $patron_id, join(', ', @{$patron->{items}}));
 164                 }
 165                 else {
 166                         syslog("LOG_ERR", "ILS::Checkout Issue failed");
 167                 }
 168     }
 169     # END TRANSACTION
 170
 171     return $circ;
 172 }
 173
 174 sub checkin {
 175     my ($self, $item_id, $trans_date, $return_date,
 176         $current_loc, $item_props, $cancel) = @_;
 177     my ($patron, $item, $circ);
 178
 179     $circ = new ILS::Transaction::Checkin;
 180     # BEGIN TRANSACTION
 181     $circ->item($item = new ILS::Item $item_id);
 182
 183     if ($item) {
 184         $circ->do_checkin($current_loc, $return_date);
 185     } else {
 186         $circ->alert(1);
 187         $circ->alert_type(99);
 188         $circ->screen_msg('Invalid Item');
 189     }
 190         # It's ok to check it in if it exists, and if it was checked out
 191         $circ->ok($item && $item->{patron});
 192
 193         if (!defined($item->{patron})) {
 194                 $circ->screen_msg("Item not checked out");
 195         } else {
 196                 if ($circ->ok) {
 197                         $circ->patron($patron = new ILS::Patron $item->{patron});
 198                         delete $item->{patron};
 199                         delete $item->{due_date};
 200                         $patron->{items} = [ grep {$_ ne $item_id} @{$patron->{items}} ];
 201                 }
 202         }
 203     # END TRANSACTION
 204
 205     return $circ;
 206 }
 207
 208 # If the ILS caches patron information, this lets it free
 209 # it up
 210 sub end_patron_session {
 211     my ($self, $patron_id) = @_;
 212
 213     # success?, screen_msg, print_line
 214     return (1, 'Thank you !', '');
 215 }
 216
 217 sub pay_fee {
 218     my ($self, $patron_id, $patron_pwd, $fee_amt, $fee_type,
 219         $pay_type, $fee_id, $trans_id, $currency) = @_;
 220     my $trans;
 221
 222     $trans = ILS::Transaction::FeePayment->new();
 223
 224
 225     $trans->transaction_id($trans_id);
 226     my $patron;
 227     $trans->patron($patron = ILS::Patron->new($patron_id));
 228     if (!$patron) {
 229         $trans->screen_msg('Invalid patron barcode.');
 230         return $trans;
 231     }
 232     $trans->pay($patron->{borrowernumber},$fee_amt, $pay_type);
 233     $trans->ok(1);
 234
 235     return $trans;
 236 }
 237
 238 sub add_hold {
 239     my ($self, $patron_id, $patron_pwd, $item_id, $title_id,
 240         $expiry_date, $pickup_location, $hold_type, $fee_ack) = @_;
 241     my ($patron, $item);
 242
 243         my $trans = new ILS::Transaction::Hold;
 244
 245     $patron = new ILS::Patron $patron_id;
 246     if (!$patron
 247         || (defined($patron_pwd) && !$patron->check_password($patron_pwd))) {
 248                 $trans->screen_msg("Invalid Patron.");
 249                 return $trans;
 250     }
 251
 252         unless ($item = new ILS::Item ($item_id || $title_id)) {
 253                 $trans->screen_msg("No such item.");
 254                 return $trans;
 255         }
 256
 257     if ( $patron->holds_blocked_by_excessive_fees() ) {
 258         $trans->screen_msg("Excessive fees blocking placement of hold.");
 259     }
 260
 261    if ($item->fee and $fee_ack ne 'Y') {
 262                 $trans->screen_msg = "Fee required to place hold.";
 263                 return $trans;
 264     }
 265
 266     my $hold = {
 267         item_id         => $item->id,
 268         patron_id       => $patron->id,
 269         expiration_date => $expiry_date,
 270         pickup_location => $pickup_location,
 271         hold_type       => $hold_type,
 272     };
 273
 274     $trans->ok(1);
 275     $trans->patron($patron);
 276     $trans->item($item);
 277     $trans->pickup_location($pickup_location);
 278         $trans->do_hold;
 279
 280     push(@{$item->hold_queue},     $hold);
 281     push(@{$patron->{hold_items}}, $hold);
 282
 283     return $trans;
 284 }
 285
 286 sub cancel_hold {
 287     my ($self, $patron_id, $patron_pwd, $item_id, $title_id) = @_;
 288     my ($patron, $item, $hold);
 289
 290         my $trans = new ILS::Transaction::Hold;
 291
 292     $patron = new ILS::Patron $patron_id;
 293     if (!$patron) {
 294                 $trans->screen_msg("Invalid patron barcode.");
 295                 return $trans;
 296     } elsif (defined($patron_pwd) && !$patron->check_password($patron_pwd)) {
 297                 $trans->screen_msg('Invalid patron password.');
 298                 return $trans;
 299     }
 300
 301     unless ($item = new ILS::Item ($item_id || $title_id)) {
 302                 $trans->screen_msg("No such item.");
 303                 return $trans;
 304     }
 305
 306     $trans->patron($patron);
 307     $trans->item($item);
 308         $trans->drop_hold;
 309         unless ($trans->ok) {
 310                 $trans->screen_msg("Error with transaction drop_hold: " . $trans->screen_msg);
 311                 return $trans;
 312         }
 313     # Remove the hold from the patron's record first
 314     $trans->ok($patron->drop_hold($item_id));   # different than the transaction drop!
 315
 316     unless ($trans->ok) {
 317                 # We didn't find it on the patron record
 318                 $trans->screen_msg("No such hold on patron record.");
 319                 return $trans;
 320     }
 321
 322     # Now, remove it from the item record.  If it was on the patron
 323     # record but not on the item record, we'll treat that as success.
 324     foreach my $i (0 .. scalar @{$item->hold_queue}) {
 325                 $hold = $item->hold_queue->[$i];
 326                 if ($item->barcode_is_borrowernumber($patron->id, $hold->{borrowernumber})) {
 327                     # found it: delete it.
 328                     splice @{$item->hold_queue}, $i, 1;
 329                     last;               # ?? should we keep going, in case there are multiples
 330                 }
 331     }
 332
 333     $trans->screen_msg("Hold Cancelled.");
 334
 335     return $trans;
 336 }
 337
 338
 339 # The patron and item id's can't be altered, but the
 340 # date, location, and type can.
 341 sub alter_hold {
 342     my ($self, $patron_id, $patron_pwd, $item_id, $title_id,
 343         $expiry_date, $pickup_location, $hold_type, $fee_ack) = @_;
 344     my ($patron, $item);
 345     my $hold;
 346     my $trans;
 347
 348     $trans = new ILS::Transaction::Hold;
 349
 350     # BEGIN TRANSACTION
 351     $patron = new ILS::Patron $patron_id;
 352     unless ($patron) {
 353                 $trans->screen_msg("Invalid patron barcode: '$patron_id'.");
 354                 return $trans;
 355     }
 356
 357     foreach my $i (0 .. scalar @{$patron->{hold_items}}) {
 358                 $hold = $patron->{hold_items}[$i];
 359
 360         if ($hold->{item_id} eq $item_id) {
 361             # Found it.  So fix it.
 362             $hold->{expiration_date} = $expiry_date     if $expiry_date;
 363             $hold->{pickup_location} = $pickup_location if $pickup_location;
 364             $hold->{hold_type}       = $hold_type       if $hold_type;
 365                 $trans->change_hold();
 366             # $trans->ok(1);
 367             $trans->screen_msg("Hold updated.");
 368             $trans->patron($patron);
 369             $trans->item(new ILS::Item $hold->{item_id});
 370             last;
 371         }
 372     }
 373
 374     # The same hold structure is linked into both the patron's
 375     # list of hold items and into the queue of outstanding holds
 376     # for the item, so we don't need to search the hold queue for
 377     # the item, since it's already been updated by the patron code.
 378
 379     if (!$trans->ok) {
 380                 $trans->screen_msg("No such outstanding hold.");
 381     }
 382
 383     return $trans;
 384 }
 385
 386 sub renew {
 387     my ($self, $patron_id, $patron_pwd, $item_id, $title_id,
 388         $no_block, $nb_due_date, $third_party,
 389         $item_props, $fee_ack) = @_;
 390     my ($patron, $item);
 391     my $trans;
 392
 393     $trans = new ILS::Transaction::Renew;
 394     $trans->patron($patron = new ILS::Patron $patron_id);
 395
 396     if (!$patron) {
 397                 $trans->screen_msg("Invalid patron barcode.");
 398                 return $trans;
 399     } elsif (!$patron->renew_ok) {
 400                 $trans->screen_msg("Renewals not allowed.");
 401                 return $trans;
 402     }
 403
 404         # Previously: renewing a title, rather than an item (sort of)
 405         # This is gross, but in a real ILS it would be better
 406
 407     # if (defined($title_id)) {
 408         #       foreach my $i (@{$patron->{items}}) {
 409         #               $item = new ILS::Item $i;
 410         #               last if ($title_id eq $item->title_id);
 411         #               $item = undef;
 412         #       }
 413     # } else {
 414                 my $j = 0;
 415                 my $count = scalar @{$patron->{items}};
 416                 foreach my $i (@{$patron->{items}}) {
 417             unless (defined $i->{barcode}) {    # FIXME: using data instead of objects may violate the abstraction layer
 418                 syslog("LOG_ERR", "No barcode for item %s of %s: $item_id", $j+1, $count);
 419                 next;
 420             }
 421             syslog("LOG_DEBUG", "checking item %s of %s: $item_id vs. %s", ++$j, $count, $i->{barcode});
 422             if ($i->{barcode} eq $item_id) {
 423                                 # We have it checked out
 424                                 $item = new ILS::Item $item_id;
 425                                 last;
 426                         }
 427                 }
 428     # }
 429
 430     $trans->item($item);
 431
 432     if (!defined($item)) {
 433                 $trans->screen_msg("Item not checked out to " . $patron->name);     # not checked out to $patron_id
 434         $trans->ok(0);
 435     } else {
 436         $trans->do_renew();
 437         if ($trans->renewal_ok()) {
 438             $item->{due_date} = $trans->{due};
 439             $trans->desensitize(0);
 440         }
 441     }
 442
 443     return $trans;
 444 }
 445
 446 sub renew_all {
 447     my ($self, $patron_id, $patron_pwd, $fee_ack) = @_;
 448     my ($patron, $item_id);
 449     my $trans;
 450
 451     $trans = new ILS::Transaction::RenewAll;
 452
 453     $trans->patron($patron = new ILS::Patron $patron_id);
 454     if (defined $patron) {
 455         syslog("LOG_DEBUG", "ILS::renew_all: patron '%s': renew_ok: %s", $patron->name, $patron->renew_ok);
 456     } else {
 457         syslog("LOG_DEBUG", "ILS::renew_all: Invalid patron id: '%s'", $patron_id);
 458     }
 459
 460     if (!defined($patron)) {
 461                 $trans->screen_msg("Invalid patron barcode.");
 462                 return $trans;
 463     } elsif (!$patron->renew_ok) {
 464                 $trans->screen_msg("Renewals not allowed.");
 465                 return $trans;
 466     } elsif (defined($patron_pwd) && !$patron->check_password($patron_pwd)) {
 467                 $trans->screen_msg("Invalid patron password.");
 468                 return $trans;
 469     }
 470
 471         $trans->do_renew_all;
 472     $trans->ok(1);
 473     return $trans;
 474 }
 475
 476 1;
 477 __END__
 478