C4/Calendar.pm

   1 package C4::Calendar;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it under the
   6 # terms of the GNU General Public License as published by the Free Software
   7 # Foundation; either version 2 of the License, or (at your option) any later
   8 # version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along with
  15 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  16 # Suite 330, Boston, MA  02111-1307 USA
  17
  18 use strict;
  19 use warnings;
  20 use vars qw($VERSION @EXPORT);
  21
  22 use Carp;
  23 use Date::Calc qw( Date_to_Days Today);
  24
  25 use C4::Context;
  26
  27 use constant ISO_DATE_FORMAT => "%04d-%02d-%02d";
  28 =head1 NAME
  29
  30 C4::Calendar::Calendar - Koha module dealing with holidays.
  31
  32 =head1 SYNOPSIS
  33
  34     use C4::Calendar::Calendar;
  35
  36 =head1 DESCRIPTION
  37
  38 This package is used to deal with holidays. Through this package, you can set
  39 all kind of holidays for the library.
  40
  41 =head1 FUNCTIONS
  42
  43 =head2 new
  44
  45   $calendar = C4::Calendar->new(branchcode => $branchcode);
  46
  47 Each library branch has its own Calendar.
  48 C<$branchcode> specifies which Calendar you want.
  49
  50 =cut
  51
  52 sub new {
  53     my $classname = shift @_;
  54     my %options = @_;
  55     my $self = bless({}, $classname);
  56     foreach my $optionName (keys %options) {
  57         $self->{lc($optionName)} = $options{$optionName};
  58     }
  59     defined($self->{branchcode}) or croak "No branchcode argument to new.  Should be C4::Calendar->new(branchcode => \$branchcode)";
  60     $self->_init($self->{branchcode});
  61     return $self;
  62 }
  63
  64 sub _init {
  65     my $self = shift @_;
  66     my $branch = shift;
  67     defined($branch) or die "No branchcode sent to _init";  # must test for defined here and above to allow ""
  68     my $dbh = C4::Context->dbh();
  69     my $repeatable = $dbh->prepare( 'SELECT *
  70                                        FROM repeatable_holidays
  71                                       WHERE ( branchcode = ? )
  72                                         AND (ISNULL(weekday) = ?)' );
  73     $repeatable->execute($branch,0);
  74     my %week_days_holidays;
  75     while (my $row = $repeatable->fetchrow_hashref) {
  76         my $key = $row->{weekday};
  77         $week_days_holidays{$key}{title}       = $row->{title};
  78         $week_days_holidays{$key}{description} = $row->{description};
  79     }
  80     $self->{'week_days_holidays'} = \%week_days_holidays;
  81
  82     $repeatable->execute($branch,1);
  83     my %day_month_holidays;
  84     while (my $row = $repeatable->fetchrow_hashref) {
  85         my $key = $row->{month} . "/" . $row->{day};
  86         $day_month_holidays{$key}{title}       = $row->{title};
  87         $day_month_holidays{$key}{description} = $row->{description};
  88         $day_month_holidays{$key}{day} = sprintf("%02d", $row->{day});
  89         $day_month_holidays{$key}{month} = sprintf("%02d", $row->{month});
  90     }
  91     $self->{'day_month_holidays'} = \%day_month_holidays;
  92
  93     my $special = $dbh->prepare( 'SELECT day, month, year, title, description
  94                                     FROM special_holidays
  95                                    WHERE ( branchcode = ? )
  96                                      AND (isexception = ?)' );
  97     $special->execute($branch,1);
  98     my %exception_holidays;
  99     while (my ($day, $month, $year, $title, $description) = $special->fetchrow) {
 100         $exception_holidays{"$year/$month/$day"}{title} = $title;
 101         $exception_holidays{"$year/$month/$day"}{description} = $description;
 102         $exception_holidays{"$year/$month/$day"}{date} =
 103                 sprintf(ISO_DATE_FORMAT, $year, $month, $day);
 104     }
 105     $self->{'exception_holidays'} = \%exception_holidays;
 106
 107     $special->execute($branch,0);
 108     my %single_holidays;
 109     while (my ($day, $month, $year, $title, $description) = $special->fetchrow) {
 110         $single_holidays{"$year/$month/$day"}{title} = $title;
 111         $single_holidays{"$year/$month/$day"}{description} = $description;
 112         $single_holidays{"$year/$month/$day"}{date} =
 113                 sprintf(ISO_DATE_FORMAT, $year, $month, $day);
 114     }
 115     $self->{'single_holidays'} = \%single_holidays;
 116     return $self;
 117 }
 118
 119 =head2 get_week_days_holidays
 120
 121    $week_days_holidays = $calendar->get_week_days_holidays();
 122
 123 Returns a hash reference to week days holidays.
 124
 125 =cut
 126
 127 sub get_week_days_holidays {
 128     my $self = shift @_;
 129     my $week_days_holidays = $self->{'week_days_holidays'};
 130     return $week_days_holidays;
 131 }
 132
 133 =head2 get_day_month_holidays
 134
 135    $day_month_holidays = $calendar->get_day_month_holidays();
 136
 137 Returns a hash reference to day month holidays.
 138
 139 =cut
 140
 141 sub get_day_month_holidays {
 142     my $self = shift @_;
 143     my $day_month_holidays = $self->{'day_month_holidays'};
 144     return $day_month_holidays;
 145 }
 146
 147 =head2 get_exception_holidays
 148
 149     $exception_holidays = $calendar->exception_holidays();
 150
 151 Returns a hash reference to exception holidays. This kind of days are those
 152 which stands for a holiday, but you wanted to make an exception for this particular
 153 date.
 154
 155 =cut
 156
 157 sub get_exception_holidays {
 158     my $self = shift @_;
 159     my $exception_holidays = $self->{'exception_holidays'};
 160     return $exception_holidays;
 161 }
 162
 163 =head2 get_single_holidays
 164
 165     $single_holidays = $calendar->get_single_holidays();
 166
 167 Returns a hash reference to single holidays. This kind of holidays are those which
 168 happend just one time.
 169
 170 =cut
 171
 172 sub get_single_holidays {
 173     my $self = shift @_;
 174     my $single_holidays = $self->{'single_holidays'};
 175     return $single_holidays;
 176 }
 177
 178 =head2 insert_week_day_holiday
 179
 180     insert_week_day_holiday(weekday => $weekday,
 181                             title => $title,
 182                             description => $description);
 183
 184 Inserts a new week day for $self->{branchcode}.
 185
 186 C<$day> Is the week day to make holiday.
 187
 188 C<$title> Is the title to store for the holiday formed by $year/$month/$day.
 189
 190 C<$description> Is the description to store for the holiday formed by $year/$month/$day.
 191
 192 =cut
 193
 194 sub insert_week_day_holiday {
 195     my $self = shift @_;
 196     my %options = @_;
 197
 198     my $weekday = $options{weekday};
 199     croak "Invalid weekday $weekday" unless $weekday =~ m/^[0-6]$/;
 200
 201     my $dbh = C4::Context->dbh();
 202     my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ( '',?,?,NULL,NULL,?,? )");
 203         $insertHoliday->execute( $self->{branchcode}, $weekday, $options{title}, $options{description});
 204     $self->{'week_days_holidays'}->{$weekday}{title} = $options{title};
 205     $self->{'week_days_holidays'}->{$weekday}{description} = $options{description};
 206     return $self;
 207 }
 208
 209 =head2 insert_day_month_holiday
 210
 211     insert_day_month_holiday(day => $day,
 212                              month => $month,
 213                              title => $title,
 214                              description => $description);
 215
 216 Inserts a new day month holiday for $self->{branchcode}.
 217
 218 C<$day> Is the day month to make the date to insert.
 219
 220 C<$month> Is month to make the date to insert.
 221
 222 C<$title> Is the title to store for the holiday formed by $year/$month/$day.
 223
 224 C<$description> Is the description to store for the holiday formed by $year/$month/$day.
 225
 226 =cut
 227
 228 sub insert_day_month_holiday {
 229     my $self = shift @_;
 230     my %options = @_;
 231
 232     my $dbh = C4::Context->dbh();
 233     my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ('', ?, NULL, ?, ?, ?,? )");
 234         $insertHoliday->execute( $self->{branchcode}, $options{day},$options{month},$options{title}, $options{description});
 235     $self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{title} = $options{title};
 236     $self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{description} = $options{description};
 237     return $self;
 238 }
 239
 240 =head2 insert_single_holiday
 241
 242     insert_single_holiday(day => $day,
 243                           month => $month,
 244                           year => $year,
 245                           title => $title,
 246                           description => $description);
 247
 248 Inserts a new single holiday for $self->{branchcode}.
 249
 250 C<$day> Is the day month to make the date to insert.
 251
 252 C<$month> Is month to make the date to insert.
 253
 254 C<$year> Is year to make the date to insert.
 255
 256 C<$title> Is the title to store for the holiday formed by $year/$month/$day.
 257
 258 C<$description> Is the description to store for the holiday formed by $year/$month/$day.
 259
 260 =cut
 261
 262 sub insert_single_holiday {
 263     my $self = shift @_;
 264     my %options = @_;
 265
 266     @options{qw(year month day)} = ( $options{date} =~ m/(\d+)-(\d+)-(\d+)/o )
 267       if $options{date} && !$options{day};
 268
 269         my $dbh = C4::Context->dbh();
 270     my $isexception = 0;
 271     my $insertHoliday = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', ?,?,?,?,?,?,?)");
 272         $insertHoliday->execute( $self->{branchcode}, $options{day},$options{month},$options{year}, $isexception, $options{title}, $options{description});
 273     $self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
 274     $self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
 275     return $self;
 276 }
 277
 278 =head2 insert_exception_holiday
 279
 280     insert_exception_holiday(day => $day,
 281                              month => $month,
 282                              year => $year,
 283                              title => $title,
 284                              description => $description);
 285
 286 Inserts a new exception holiday for $self->{branchcode}.
 287
 288 C<$day> Is the day month to make the date to insert.
 289
 290 C<$month> Is month to make the date to insert.
 291
 292 C<$year> Is year to make the date to insert.
 293
 294 C<$title> Is the title to store for the holiday formed by $year/$month/$day.
 295
 296 C<$description> Is the description to store for the holiday formed by $year/$month/$day.
 297
 298 =cut
 299
 300 sub insert_exception_holiday {
 301     my $self = shift @_;
 302     my %options = @_;
 303
 304     @options{qw(year month day)} = ( $options{date} =~ m/(\d+)-(\d+)-(\d+)/o )
 305       if $options{date} && !$options{day};
 306
 307     my $dbh = C4::Context->dbh();
 308     my $isexception = 1;
 309     my $insertException = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', ?,?,?,?,?,?,?)");
 310         $insertException->execute( $self->{branchcode}, $options{day},$options{month},$options{year}, $isexception, $options{title}, $options{description});
 311     $self->{'exception_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
 312     $self->{'exception_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
 313     return $self;
 314 }
 315
 316 =head2 ModWeekdayholiday
 317
 318     ModWeekdayholiday(weekday =>$weekday,
 319                       title => $title,
 320                       description => $description)
 321
 322 Modifies the title and description of a weekday for $self->{branchcode}.
 323
 324 C<$weekday> Is the title to update for the holiday.
 325
 326 C<$description> Is the description to update for the holiday.
 327
 328 =cut
 329
 330 sub ModWeekdayholiday {
 331     my $self = shift @_;
 332     my %options = @_;
 333
 334     my $dbh = C4::Context->dbh();
 335     my $updateHoliday = $dbh->prepare("UPDATE repeatable_holidays SET title = ?, description = ? WHERE branchcode = ? AND weekday = ?");
 336     $updateHoliday->execute( $options{title},$options{description},$self->{branchcode},$options{weekday});
 337     $self->{'week_days_holidays'}->{$options{weekday}}{title} = $options{title};
 338     $self->{'week_days_holidays'}->{$options{weekday}}{description} = $options{description};
 339     return $self;
 340 }
 341
 342 =head2 ModDaymonthholiday
 343
 344     ModDaymonthholiday(day => $day,
 345                        month => $month,
 346                        title => $title,
 347                        description => $description);
 348
 349 Modifies the title and description for a day/month holiday for $self->{branchcode}.
 350
 351 C<$day> The day of the month for the update.
 352
 353 C<$month> The month to be used for the update.
 354
 355 C<$title> The title to be updated for the holiday.
 356
 357 C<$description> The description to be update for the holiday.
 358
 359 =cut
 360
 361 sub ModDaymonthholiday {
 362     my $self = shift @_;
 363     my %options = @_;
 364
 365     my $dbh = C4::Context->dbh();
 366     my $updateHoliday = $dbh->prepare("UPDATE repeatable_holidays SET title = ?, description = ? WHERE month = ? AND day = ? AND branchcode = ?");
 367        $updateHoliday->execute( $options{title},$options{description},$options{month},$options{day},$self->{branchcode});
 368     $self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{title} = $options{title};
 369     $self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{description} = $options{description};
 370     return $self;
 371 }
 372
 373 =head2 ModSingleholiday
 374
 375     ModSingleholiday(day => $day,
 376                      month => $month,
 377                      year => $year,
 378                      title => $title,
 379                      description => $description);
 380
 381 Modifies the title and description for a single holiday for $self->{branchcode}.
 382
 383 C<$day> Is the day of the month to make the update.
 384
 385 C<$month> Is the month to make the update.
 386
 387 C<$year> Is the year to make the update.
 388
 389 C<$title> Is the title to update for the holiday formed by $year/$month/$day.
 390
 391 C<$description> Is the description to update for the holiday formed by $year/$month/$day.
 392
 393 =cut
 394
 395 sub ModSingleholiday {
 396     my $self = shift @_;
 397     my %options = @_;
 398
 399     my $dbh = C4::Context->dbh();
 400     my $isexception = 0;
 401     my $updateHoliday = $dbh->prepare("UPDATE special_holidays SET title = ?, description = ? WHERE day = ? AND month = ? AND year = ? AND branchcode = ? AND isexception = ?");
 402       $updateHoliday->execute($options{title},$options{description},$options{day},$options{month},$options{year},$self->{branchcode},$isexception);
 403     $self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
 404     $self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
 405     return $self;
 406 }
 407
 408 =head2 ModExceptionholiday
 409
 410     ModExceptionholiday(day => $day,
 411                         month => $month,
 412                         year => $year,
 413                         title => $title,
 414                         description => $description);
 415
 416 Modifies the title and description for an exception holiday for $self->{branchcode}.
 417
 418 C<$day> Is the day of the month for the holiday.
 419
 420 C<$month> Is the month for the holiday.
 421
 422 C<$year> Is the year for the holiday.
 423
 424 C<$title> Is the title to be modified for the holiday formed by $year/$month/$day.
 425
 426 C<$description> Is the description to be modified for the holiday formed by $year/$month/$day.
 427
 428 =cut
 429
 430 sub ModExceptionholiday {
 431     my $self = shift @_;
 432     my %options = @_;
 433
 434     my $dbh = C4::Context->dbh();
 435     my $isexception = 1;
 436     my $updateHoliday = $dbh->prepare("UPDATE special_holidays SET title = ?, description = ? WHERE day = ? AND month = ? AND year = ? AND branchcode = ? AND isexception = ?");
 437     $updateHoliday->execute($options{title},$options{description},$options{day},$options{month},$options{year},$self->{branchcode},$isexception);
 438     $self->{'exception_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
 439     $self->{'exception_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
 440     return $self;
 441 }
 442
 443 =head2 delete_holiday
 444
 445     delete_holiday(weekday => $weekday
 446                    day => $day,
 447                    month => $month,
 448                    year => $year);
 449
 450 Delete a holiday for $self->{branchcode}.
 451
 452 C<$weekday> Is the week day to delete.
 453
 454 C<$day> Is the day month to make the date to delete.
 455
 456 C<$month> Is month to make the date to delete.
 457
 458 C<$year> Is year to make the date to delete.
 459
 460 =cut
 461
 462 sub delete_holiday {
 463     my $self = shift @_;
 464     my %options = @_;
 465
 466     # Verify what kind of holiday that day is. For example, if it is
 467     # a repeatable holiday, this should check if there are some exception
 468         # for that holiday rule. Otherwise, if it is a regular holiday, it´s
 469     # ok just deleting it.
 470
 471     my $dbh = C4::Context->dbh();
 472     my $isSingleHoliday = $dbh->prepare("SELECT id FROM special_holidays WHERE (branchcode = ?) AND (day = ?) AND (month = ?) AND (year = ?)");
 473     $isSingleHoliday->execute($self->{branchcode}, $options{day}, $options{month}, $options{year});
 474     if ($isSingleHoliday->rows) {
 475         my $id = $isSingleHoliday->fetchrow;
 476         $isSingleHoliday->finish; # Close the last query
 477
 478         my $deleteHoliday = $dbh->prepare("DELETE FROM special_holidays WHERE id = ?");
 479         $deleteHoliday->execute($id);
 480         delete($self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"});
 481     } else {
 482         $isSingleHoliday->finish; # Close the last query
 483
 484         my $isWeekdayHoliday = $dbh->prepare("SELECT id FROM repeatable_holidays WHERE branchcode = ? AND weekday = ?");
 485         $isWeekdayHoliday->execute($self->{branchcode}, $options{weekday});
 486         if ($isWeekdayHoliday->rows) {
 487             my $id = $isWeekdayHoliday->fetchrow;
 488             $isWeekdayHoliday->finish; # Close the last query
 489
 490             my $updateExceptions = $dbh->prepare("UPDATE special_holidays SET isexception = 0 WHERE (WEEKDAY(CONCAT(special_holidays.year,'-',special_holidays.month,'-',special_holidays.day)) = ?) AND (branchcode = ?)");
 491             $updateExceptions->execute($options{weekday}, $self->{branchcode});
 492             $updateExceptions->finish; # Close the last query
 493
 494             my $deleteHoliday = $dbh->prepare("DELETE FROM repeatable_holidays WHERE id = ?");
 495             $deleteHoliday->execute($id);
 496             delete($self->{'week_days_holidays'}->{$options{weekday}});
 497         } else {
 498             $isWeekdayHoliday->finish; # Close the last query
 499
 500             my $isDayMonthHoliday = $dbh->prepare("SELECT id FROM repeatable_holidays WHERE (branchcode = ?) AND (day = ?) AND (month = ?)");
 501             $isDayMonthHoliday->execute($self->{branchcode}, $options{day}, $options{month});
 502             if ($isDayMonthHoliday->rows) {
 503                 my $id = $isDayMonthHoliday->fetchrow;
 504                 $isDayMonthHoliday->finish;
 505                 my $updateExceptions = $dbh->prepare("UPDATE special_holidays SET isexception = 0 WHERE (special_holidays.branchcode = ?) AND (special_holidays.day = ?) and (special_holidays.month = ?)");
 506                 $updateExceptions->execute($self->{branchcode}, $options{day}, $options{month});
 507                 $updateExceptions->finish; # Close the last query
 508
 509                 my $deleteHoliday = $dbh->prepare("DELETE FROM repeatable_holidays WHERE (id = ?)");
 510                 $deleteHoliday->execute($id);
 511                 delete($self->{'day_month_holidays'}->{"$options{month}/$options{day}"});
 512             }
 513         }
 514     }
 515     return $self;
 516 }
 517 =head2 delete_holiday_range
 518
 519     delete_holiday_range(day => $day,
 520                    month => $month,
 521                    year => $year);
 522
 523 Delete a holiday range of dates for $self->{branchcode}.
 524
 525 C<$day> Is the day month to make the date to delete.
 526
 527 C<$month> Is month to make the date to delete.
 528
 529 C<$year> Is year to make the date to delete.
 530
 531 =cut
 532
 533 sub delete_holiday_range {
 534     my $self = shift;
 535     my %options = @_;
 536
 537     my $dbh = C4::Context->dbh();
 538     my $sth = $dbh->prepare("DELETE FROM special_holidays WHERE (branchcode = ?) AND (day = ?) AND (month = ?) AND (year = ?)");
 539     $sth->execute($self->{branchcode}, $options{day}, $options{month}, $options{year});
 540 }
 541
 542 =head2 delete_holiday_range_repeatable
 543
 544     delete_holiday_range_repeatable(day => $day,
 545                    month => $month);
 546
 547 Delete a holiday for $self->{branchcode}.
 548
 549 C<$day> Is the day month to make the date to delete.
 550
 551 C<$month> Is month to make the date to delete.
 552
 553 =cut
 554
 555 sub delete_holiday_range_repeatable {
 556     my $self = shift;
 557     my %options = @_;
 558
 559     my $dbh = C4::Context->dbh();
 560     my $sth = $dbh->prepare("DELETE FROM repeatable_holidays WHERE (branchcode = ?) AND (day = ?) AND (month = ?)");
 561     $sth->execute($self->{branchcode}, $options{day}, $options{month});
 562 }
 563
 564 =head2 delete_exception_holiday_range
 565
 566     delete_exception_holiday_range(weekday => $weekday
 567                    day => $day,
 568                    month => $month,
 569                    year => $year);
 570
 571 Delete a holiday for $self->{branchcode}.
 572
 573 C<$day> Is the day month to make the date to delete.
 574
 575 C<$month> Is month to make the date to delete.
 576
 577 C<$year> Is year to make the date to delete.
 578
 579 =cut
 580
 581 sub delete_exception_holiday_range {
 582     my $self = shift;
 583     my %options = @_;
 584
 585     my $dbh = C4::Context->dbh();
 586     my $sth = $dbh->prepare("DELETE FROM special_holidays WHERE (branchcode = ?) AND (isexception = 1) AND (day = ?) AND (month = ?) AND (year = ?)");
 587     $sth->execute($self->{branchcode}, $options{day}, $options{month}, $options{year});
 588 }
 589
 590 =head2 isHoliday
 591
 592     $isHoliday = isHoliday($day, $month $year);
 593
 594 C<$day> Is the day to check whether if is a holiday or not.
 595
 596 C<$month> Is the month to check whether if is a holiday or not.
 597
 598 C<$year> Is the year to check whether if is a holiday or not.
 599
 600 =cut
 601
 602 sub isHoliday {
 603     my ($self, $day, $month, $year) = @_;
 604         # FIXME - date strings are stored in non-padded metric format. should change to iso.
 605         # FIXME - should change arguments to accept C4::Dates object
 606         $month=$month+0;
 607         $year=$year+0;
 608         $day=$day+0;
 609     my $weekday = &Date::Calc::Day_of_Week($year, $month, $day) % 7;
 610     my $weekDays   = $self->get_week_days_holidays();
 611     my $dayMonths  = $self->get_day_month_holidays();
 612     my $exceptions = $self->get_exception_holidays();
 613     my $singles    = $self->get_single_holidays();
 614     if (defined($exceptions->{"$year/$month/$day"})) {
 615         return 0;
 616     } else {
 617         if ((exists($weekDays->{$weekday})) ||
 618             (exists($dayMonths->{"$month/$day"})) ||
 619             (exists($singles->{"$year/$month/$day"}))) {
 620                         return 1;
 621         } else {
 622             return 0;
 623         }
 624     }
 625
 626 }
 627
 628 =head2 copy_to_branch
 629
 630     $calendar->copy_to_branch($target_branch)
 631
 632 =cut
 633
 634 sub copy_to_branch {
 635     my ($self, $target_branch) = @_;
 636
 637     croak "No target_branch" unless $target_branch;
 638
 639     my $target_calendar = C4::Calendar->new(branchcode => $target_branch);
 640
 641     my ($y, $m, $d) = Today();
 642     my $today = sprintf ISO_DATE_FORMAT, $y,$m,$d;
 643
 644     my $wdh = $self->get_week_days_holidays;
 645     $target_calendar->insert_week_day_holiday( weekday => $_, %{ $wdh->{$_} } )
 646       foreach keys %$wdh;
 647     $target_calendar->insert_day_month_holiday(%$_)
 648       foreach values %{ $self->get_day_month_holidays };
 649     $target_calendar->insert_exception_holiday(%$_)
 650       foreach grep { $_->{date} gt $today } values %{ $self->get_exception_holidays };
 651     $target_calendar->insert_single_holiday(%$_)
 652       foreach grep { $_->{date} gt $today } values %{ $self->get_single_holidays };
 653
 654     return 1;
 655 }
 656
 657 =head2 addDate
 658
 659     my ($day, $month, $year) = $calendar->addDate($date, $offset)
 660
 661 C<$date> is a C4::Dates object representing the starting date of the interval.
 662
 663 C<$offset> Is the number of days that this function has to count from $date.
 664
 665 =cut
 666
 667 sub addDate {
 668     my ($self, $startdate, $offset) = @_;
 669     my ($year,$month,$day) = split("-",$startdate->output('iso'));
 670         my $daystep = 1;
 671         if ($offset < 0) { # In case $offset is negative
 672        # $offset = $offset*(-1);
 673                 $daystep = -1;
 674     }
 675         my $daysMode = C4::Context->preference('useDaysMode');
 676     if ($daysMode eq 'Datedue') {
 677         ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $offset );
 678                 while ($self->isHoliday($day, $month, $year)) {
 679             ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $daystep);
 680         }
 681     } elsif($daysMode eq 'Calendar') {
 682         while ($offset !=  0) {
 683             ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $daystep);
 684             if (!($self->isHoliday($day, $month, $year))) {
 685                 $offset = $offset - $daystep;
 686                         }
 687         }
 688         } else { ## ($daysMode eq 'Days')
 689         ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $offset );
 690     }
 691     return(C4::Dates->new( sprintf(ISO_DATE_FORMAT,$year,$month,$day),'iso'));
 692 }
 693
 694 =head2 daysBetween
 695
 696     my $daysBetween = $calendar->daysBetween($startdate, $enddate)
 697
 698 C<$startdate> and C<$enddate> are C4::Dates objects that define the interval.
 699
 700 Returns the number of non-holiday days in the interval.
 701 useDaysMode syspref has no effect here.
 702 =cut
 703
 704 sub daysBetween {
 705     my $self      = shift or return;
 706     my $startdate = shift or return;
 707     my $enddate   = shift or return;
 708     my ($yearFrom,$monthFrom,$dayFrom) = split("-",$startdate->output('iso'));
 709     my ($yearTo,  $monthTo,  $dayTo  ) = split("-",  $enddate->output('iso'));
 710     if (Date_to_Days($yearFrom,$monthFrom,$dayFrom) > Date_to_Days($yearTo,$monthTo,$dayTo)) {
 711         return 0;
 712         # we don't go backwards  ( FIXME - handle this error better )
 713     }
 714     my $count = 0;
 715     while (1) {
 716         ($yearFrom != $yearTo or $monthFrom != $monthTo or $dayFrom != $dayTo) or last; # if they all match, it's the last day
 717         unless ($self->isHoliday($dayFrom, $monthFrom, $yearFrom)) {
 718             $count++;
 719         }
 720         ($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);
 721     }
 722     return($count);
 723 }
 724
 725 1;
 726
 727 __END__
 728
 729 =head1 AUTHOR
 730
 731 Koha Physics Library UNLP <matias_veleda@hotmail.com>
 732
 733 =cut