C4/RotatingCollections.pm

   1 package C4::RotatingCollections;
   2
   3 # $Id: RotatingCollections.pm,v 0.1 2007/04/20 kylemhall
   4
   5 # This package is inteded to keep track of what library
   6 # Items of a certain collection should be at.
   7
   8 # Copyright 2007 Kyle Hall
   9 #
  10 # This file is part of Koha.
  11 #
  12 # Koha is free software; you can redistribute it and/or modify it
  13 # under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; either version 3 of the License, or
  15 # (at your option) any later version.
  16 #
  17 # Koha is distributed in the hope that it will be useful, but
  18 # WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  24
  25 use Modern::Perl;
  26
  27 use C4::Context;
  28 use C4::Circulation;
  29 use C4::Reserves qw(CheckReserves);
  30 use Koha::Database;
  31
  32 use DBI;
  33
  34 use Data::Dumper;
  35
  36 use vars qw($VERSION @ISA @EXPORT);
  37
  38 # set the version for version checking
  39 $VERSION = 3.07.00.049;
  40
  41 =head1 NAME
  42
  43 C4::RotatingCollections - Functions for managing rotating collections
  44
  45 =head1 FUNCTIONS
  46
  47 =cut
  48
  49 BEGIN {
  50     require Exporter;
  51     @ISA    = qw( Exporter );
  52     @EXPORT = qw(
  53       CreateCollection
  54       UpdateCollection
  55       DeleteCollection
  56
  57       GetItemsInCollection
  58
  59       GetCollection
  60       GetCollections
  61
  62       AddItemToCollection
  63       RemoveItemFromCollection
  64       TransferCollection
  65
  66       GetCollectionItemBranches
  67     );
  68 }
  69
  70 =head2  CreateCollection
  71  ( $success, $errorcode, $errormessage ) = CreateCollection( $title, $description );
  72  Creates a new collection
  73
  74  Input:
  75    $title: short description of the club or service
  76    $description: long description of the club or service
  77
  78  Output:
  79    $success: 1 if all database operations were successful, 0 otherwise
  80    $errorCode: Code for reason of failure, good for translating errors in templates
  81    $errorMessage: English description of error
  82
  83 =cut
  84
  85 sub CreateCollection {
  86     my ( $title, $description ) = @_;
  87
  88     my $schema = Koha::Database->new()->schema();
  89     my $duplicate_titles = $schema->resultset('Collection')->count({ colTitle => $title });
  90
  91     ## Check for all necessary parameters
  92     if ( !$title ) {
  93         return ( 0, 1, "NO_TITLE" );
  94     } elsif ( $duplicate_titles ) {
  95         return ( 0, 2, "DUPLICATE_TITLE" );
  96     }
  97
  98     $description ||= q{};
  99
 100     my $success = 1;
 101
 102     my $dbh = C4::Context->dbh;
 103
 104     my $sth;
 105     $sth = $dbh->prepare(
 106         "INSERT INTO collections ( colId, colTitle, colDesc )
 107                         VALUES ( NULL, ?, ? )"
 108     );
 109     $sth->execute( $title, $description ) or return ( 0, 3, $sth->errstr() );
 110
 111     return 1;
 112
 113 }
 114
 115 =head2 UpdateCollection
 116
 117  ( $success, $errorcode, $errormessage ) = UpdateCollection( $colId, $title, $description );
 118
 119 Updates a collection
 120
 121  Input:
 122    $colId: id of the collection to be updated
 123    $title: short description of the club or service
 124    $description: long description of the club or service
 125
 126  Output:
 127    $success: 1 if all database operations were successful, 0 otherwise
 128    $errorCode: Code for reason of failure, good for translating errors in templates
 129    $errorMessage: English description of error
 130
 131 =cut
 132
 133 sub UpdateCollection {
 134     my ( $colId, $title, $description ) = @_;
 135
 136     my $schema = Koha::Database->new()->schema();
 137     my $duplicate_titles = $schema->resultset('Collection')->count({ colTitle => $title,  -not => { colId => $colId } });
 138
 139     ## Check for all necessary parameters
 140     if ( !$colId ) {
 141         return ( 0, 1, "NO_ID" );
 142     }
 143     if ( !$title ) {
 144         return ( 0, 2, "NO_TITLE" );
 145     }
 146     if ( $duplicate_titles ) {
 147         return ( 0, 3, "DUPLICATE_TITLE" );
 148     }
 149
 150     my $dbh = C4::Context->dbh;
 151
 152     $description ||= q{};
 153
 154     my $sth;
 155     $sth = $dbh->prepare(
 156         "UPDATE collections
 157                         SET
 158                         colTitle = ?, colDesc = ?
 159                         WHERE colId = ?"
 160     );
 161     $sth->execute( $title, $description, $colId )
 162       or return ( 0, 4, $sth->errstr() );
 163
 164     return 1;
 165
 166 }
 167
 168 =head2 DeleteCollection
 169
 170  ( $success, $errorcode, $errormessage ) = DeleteCollection( $colId );
 171  Deletes a collection of the given id
 172
 173  Input:
 174    $colId : id of the Archetype to be deleted
 175
 176  Output:
 177    $success: 1 if all database operations were successful, 0 otherwise
 178    $errorCode: Code for reason of failure, good for translating errors in templates
 179    $errorMessage: English description of error
 180
 181 =cut
 182
 183 sub DeleteCollection {
 184     my ($colId) = @_;
 185
 186     ## Parameter check
 187     if ( !$colId ) {
 188         return ( 0, 1, "NO_ID" );
 189     }
 190
 191     my $dbh = C4::Context->dbh;
 192
 193     my $sth;
 194
 195     $sth = $dbh->prepare("DELETE FROM collections WHERE colId = ?");
 196     $sth->execute($colId) or return ( 0, 4, $sth->errstr() );
 197
 198     return 1;
 199 }
 200
 201 =head2 GetCollections
 202
 203  $collections = GetCollections();
 204  Returns data about all collections
 205
 206  Output:
 207   On Success:
 208    $results: Reference to an array of associated arrays
 209   On Failure:
 210    $errorCode: Code for reason of failure, good for translating errors in templates
 211    $errorMessage: English description of error
 212
 213 =cut
 214
 215 sub GetCollections {
 216
 217     my $dbh = C4::Context->dbh;
 218
 219     my $sth = $dbh->prepare("SELECT * FROM collections");
 220     $sth->execute() or return ( 1, $sth->errstr() );
 221
 222     my @results;
 223     while ( my $row = $sth->fetchrow_hashref ) {
 224         push( @results, $row );
 225     }
 226
 227     return \@results;
 228 }
 229
 230 =head2 GetItemsInCollection
 231
 232  ( $results, $success, $errorcode, $errormessage ) = GetItemsInCollection( $colId );
 233
 234  Returns information about the items in the given collection
 235
 236  Input:
 237    $colId: The id of the collection
 238
 239  Output:
 240    $results: Reference to an array of associated arrays
 241    $success: 1 if all database operations were successful, 0 otherwise
 242    $errorCode: Code for reason of failure, good for translating errors in templates
 243    $errorMessage: English description of error
 244
 245 =cut
 246
 247 sub GetItemsInCollection {
 248     my ($colId) = @_;
 249
 250     ## Parameter check
 251     if ( !$colId ) {
 252         return ( 0, 0, 1, "NO_ID" );
 253     }
 254
 255     my $dbh = C4::Context->dbh;
 256
 257     my $sth = $dbh->prepare(
 258         "SELECT
 259                              biblio.title,
 260                              biblio.biblionumber,
 261                              items.itemcallnumber,
 262                              items.barcode
 263                            FROM collections, collections_tracking, items, biblio
 264                            WHERE collections.colId = collections_tracking.colId
 265                            AND collections_tracking.itemnumber = items.itemnumber
 266                            AND items.biblionumber = biblio.biblionumber
 267                            AND collections.colId = ? ORDER BY biblio.title"
 268     );
 269     $sth->execute($colId) or return ( 0, 0, 2, $sth->errstr() );
 270
 271     my @results;
 272     while ( my $row = $sth->fetchrow_hashref ) {
 273         push( @results, $row );
 274     }
 275
 276     return \@results;
 277 }
 278
 279 =head2 GetCollection
 280
 281  ( $colId, $colTitle, $colDesc, $colBranchcode ) = GetCollection( $colId );
 282
 283 Returns information about a collection
 284
 285  Input:
 286    $colId: Id of the collection
 287  Output:
 288    $colId, $colTitle, $colDesc, $colBranchcode
 289
 290 =cut
 291
 292 sub GetCollection {
 293     my ($colId) = @_;
 294
 295     my $dbh = C4::Context->dbh;
 296
 297     my ( $sth, @results );
 298     $sth = $dbh->prepare("SELECT * FROM collections WHERE colId = ?");
 299     $sth->execute($colId) or return 0;
 300
 301     my $row = $sth->fetchrow_hashref;
 302
 303     return (
 304         $$row{'colId'},   $$row{'colTitle'},
 305         $$row{'colDesc'}, $$row{'colBranchcode'}
 306     );
 307
 308 }
 309
 310 =head2 AddItemToCollection
 311
 312  ( $success, $errorcode, $errormessage ) = AddItemToCollection( $colId, $itemnumber );
 313
 314 Adds an item to a rotating collection.
 315
 316  Input:
 317    $colId: Collection to add the item to.
 318    $itemnumber: Item to be added to the collection
 319  Output:
 320    $success: 1 if all database operations were successful, 0 otherwise
 321    $errorCode: Code for reason of failure, good for translating errors in templates
 322    $errorMessage: English description of error
 323
 324 =cut
 325
 326 sub AddItemToCollection {
 327     my ( $colId, $itemnumber ) = @_;
 328
 329     ## Check for all necessary parameters
 330     if ( !$colId ) {
 331         return ( 0, 1, "NO_ID" );
 332     }
 333     if ( !$itemnumber ) {
 334         return ( 0, 2, "NO_ITEM" );
 335     }
 336
 337     if ( isItemInThisCollection( $itemnumber, $colId ) ) {
 338         return ( 0, 2, "IN_COLLECTION" );
 339     }
 340     elsif ( isItemInAnyCollection($itemnumber) ) {
 341         return ( 0, 3, "IN_COLLECTION_OTHER" );
 342     }
 343
 344     my $dbh = C4::Context->dbh;
 345
 346     my $sth;
 347     $sth = $dbh->prepare("
 348         INSERT INTO collections_tracking (
 349             colId,
 350             itemnumber
 351         ) VALUES ( ?, ? )
 352     ");
 353     $sth->execute( $colId, $itemnumber ) or return ( 0, 3, $sth->errstr() );
 354
 355     return 1;
 356
 357 }
 358
 359 =head2  RemoveItemFromCollection
 360
 361  ( $success, $errorcode, $errormessage ) = RemoveItemFromCollection( $colId, $itemnumber );
 362
 363 Removes an item to a collection
 364
 365  Input:
 366    $colId: Collection to add the item to.
 367    $itemnumber: Item to be removed from collection
 368
 369  Output:
 370    $success: 1 if all database operations were successful, 0 otherwise
 371    $errorCode: Code for reason of failure, good for translating errors in templates
 372    $errorMessage: English description of error
 373
 374 =cut
 375
 376 sub RemoveItemFromCollection {
 377     my ( $colId, $itemnumber ) = @_;
 378
 379     ## Check for all necessary parameters
 380     if ( !$itemnumber ) {
 381         return ( 0, 2, "NO_ITEM" );
 382     }
 383
 384     if ( !isItemInThisCollection( $itemnumber, $colId ) ) {
 385         return ( 0, 2, "NOT_IN_COLLECTION" );
 386     }
 387
 388     my $dbh = C4::Context->dbh;
 389
 390     my $sth;
 391     $sth = $dbh->prepare(
 392         "DELETE FROM collections_tracking
 393                         WHERE itemnumber = ?"
 394     );
 395     $sth->execute($itemnumber) or return ( 0, 3, $sth->errstr() );
 396
 397     return 1;
 398 }
 399
 400 =head2 TransferCollection
 401
 402  ( $success, $errorcode, $errormessage ) = TransferCollection( $colId, $colBranchcode );
 403
 404 Transfers a collection to another branch
 405
 406  Input:
 407    $colId: id of the collection to be updated
 408    $colBranchcode: branch where collection is moving to
 409
 410  Output:
 411    $success: 1 if all database operations were successful, 0 otherwise
 412    $errorCode: Code for reason of failure, good for translating errors in templates
 413    $errorMessage: English description of error
 414
 415 =cut
 416
 417 sub TransferCollection {
 418     my ( $colId, $colBranchcode ) = @_;
 419
 420     ## Check for all necessary parameters
 421     if ( !$colId ) {
 422         return ( 0, 1, "NO_ID" );
 423     }
 424     if ( !$colBranchcode ) {
 425         return ( 0, 2, "NO_BRANCHCODE" );
 426     }
 427
 428     my $dbh = C4::Context->dbh;
 429
 430     my $sth;
 431     $sth = $dbh->prepare(
 432         "UPDATE collections
 433                         SET
 434                         colBranchcode = ?
 435                         WHERE colId = ?"
 436     );
 437     $sth->execute( $colBranchcode, $colId ) or return ( 0, 4, $sth->errstr() );
 438
 439     $sth = $dbh->prepare(q{
 440         SELECT items.itemnumber, items.barcode FROM collections_tracking
 441         LEFT JOIN items ON collections_tracking.itemnumber = items.itemnumber
 442         LEFT JOIN issues ON items.itemnumber = issues.itemnumber
 443         WHERE issues.borrowernumber IS NULL
 444           AND collections_tracking.colId = ?
 445     });
 446     $sth->execute($colId) or return ( 0, 4, $sth->errstr );
 447     my @results;
 448     while ( my $item = $sth->fetchrow_hashref ) {
 449         my ($status) = CheckReserves( $item->{itemnumber} );
 450         my @transfers = C4::Circulation::GetTransfers( $item->{itemnumber} );
 451         C4::Circulation::transferbook( $colBranchcode, $item->{barcode}, my $ignore_reserves = 1 ) unless ( $status eq 'Waiting' || @transfers );
 452     }
 453
 454     return 1;
 455
 456 }
 457
 458 =head2 GetCollectionItemBranches
 459
 460   my ( $holdingBranch, $collectionBranch ) = GetCollectionItemBranches( $itemnumber );
 461
 462 =cut
 463
 464 sub GetCollectionItemBranches {
 465     my ($itemnumber) = @_;
 466
 467     if ( !$itemnumber ) {
 468         return;
 469     }
 470
 471     my $dbh = C4::Context->dbh;
 472
 473     my ( $sth, @results );
 474     $sth = $dbh->prepare(
 475 "SELECT holdingbranch, colBranchcode FROM items, collections, collections_tracking
 476                         WHERE items.itemnumber = collections_tracking.itemnumber
 477                         AND collections.colId = collections_tracking.colId
 478                         AND items.itemnumber = ?"
 479     );
 480     $sth->execute($itemnumber);
 481
 482     my $row = $sth->fetchrow_hashref;
 483
 484     return ( $$row{'holdingbranch'}, $$row{'colBranchcode'}, );
 485 }
 486
 487 =head2 isItemInThisCollection
 488
 489   $inCollection = isItemInThisCollection( $itemnumber, $colId );
 490
 491 =cut
 492
 493 sub isItemInThisCollection {
 494     my ( $itemnumber, $colId ) = @_;
 495
 496     my $dbh = C4::Context->dbh;
 497
 498     my $sth = $dbh->prepare(
 499 "SELECT COUNT(*) as inCollection FROM collections_tracking WHERE itemnumber = ? AND colId = ?"
 500     );
 501     $sth->execute( $itemnumber, $colId ) or return (0);
 502
 503     my $row = $sth->fetchrow_hashref;
 504
 505     return $$row{'inCollection'};
 506 }
 507
 508 =head2 isItemInAnyCollection
 509
 510 $inCollection = isItemInAnyCollection( $itemnumber );
 511
 512 =cut
 513
 514 sub isItemInAnyCollection {
 515     my ($itemnumber) = @_;
 516
 517     my $dbh = C4::Context->dbh;
 518
 519     my $sth = $dbh->prepare(
 520         "SELECT itemnumber FROM collections_tracking WHERE itemnumber = ?");
 521     $sth->execute($itemnumber) or return (0);
 522
 523     my $row = $sth->fetchrow_hashref;
 524
 525     $itemnumber = $row->{itemnumber};
 526     if ($itemnumber) {
 527         return 1;
 528     }
 529     else {
 530         return 0;
 531     }
 532 }
 533
 534 1;
 535
 536 __END__
 537
 538 =head1 AUTHOR
 539
 540 Kyle Hall <kylemhall@gmail.com>
 541
 542 =cut