562 lines
No EOL
17 KiB
Perl
562 lines
No EOL
17 KiB
Perl
package C4::Calendar;
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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require Exporter;
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use vars qw($VERSION @EXPORT);
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use C4::Database;
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use Date::Manip;
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# use Date::Calc;
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# set the version for version checking
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$VERSION = 0.01;
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=head1 NAME
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C4::Calendar::Calendar - Koha module dealing with holidays.
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=head1 SYNOPSIS
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use C4::Calendar::Calendar;
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=head1 DESCRIPTION
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This package is used to deal with holidays. Through this package, you can set all kind of holidays for the library.
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=head1 FUNCTIONS
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=over 2
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=cut
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@EXPORT = qw(&new
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&change_branchcode
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&get_week_days_holidays
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&get_day_month_holidays
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&get_exception_holidays
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&get_single_holidays
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&insert_week_day_holiday
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&insert_day_month_holiday
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&insert_single_holiday
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&insert_exception_holiday
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&delete_holiday
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&isHoliday
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&addDate
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&daysBetween);
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=item new
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$calendar = C4::Calendar::Calendar->new(branchcode => $branchcode);
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C<$branchcode> Is the branch code wich you want to use calendar.
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=cut
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sub new {
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my $classname = shift @_;
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my %options = @_;
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my %hash;
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my $self = bless(\%hash, $classname);
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foreach my $optionName (keys %options) {
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$self->{lc($optionName)} = $options{$optionName};
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}
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$self->_init;
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return $self;
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}
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sub _init {
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my $self = shift @_;
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my $dbh = C4::Context->dbh();
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my $week_days_sql = $dbh->prepare("select weekday, title, description from repeatable_holidays where ('$self->{branchcode}' = branchcode) and (NOT(ISNULL(weekday)))");
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$week_days_sql->execute;
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my %week_days_holidays;
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while (my ($weekday, $title, $description) = $week_days_sql->fetchrow) {
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$week_days_holidays{$weekday}{title} = $title;
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$week_days_holidays{$weekday}{description} = $description;
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}
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$week_days_sql->finish;
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$self->{'week_days_holidays'} = \%week_days_holidays;
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my $day_month_sql = $dbh->prepare("select day, month, title, description from repeatable_holidays where ('$self->{branchcode}' = branchcode) and ISNULL(weekday)");
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$day_month_sql->execute;
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my %day_month_holidays;
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while (my ($day, $month, $title, $description) = $day_month_sql->fetchrow) {
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$day_month_holidays{"$month/$day"}{title} = $title;
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$day_month_holidays{"$month/$day"}{description} = $description;
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}
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$day_month_sql->finish;
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$self->{'day_month_holidays'} = \%day_month_holidays;
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my $exception_holidays_sql = $dbh->prepare("select day, month, year, title, description from special_holidays where ('$self->{branchcode}' = branchcode) and (isexception = 1)");
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$exception_holidays_sql->execute;
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my %exception_holidays;
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while (my ($day, $month, $year, $title, $description) = $exception_holidays_sql->fetchrow) {
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$exception_holidays{"$year/$month/$day"}{title} = $title;
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$exception_holidays{"$year/$month/$day"}{description} = $description;
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}
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$exception_holidays_sql->finish;
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$self->{'exception_holidays'} = \%exception_holidays;
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my $holidays_sql = $dbh->prepare("select day, month, year, title, description from special_holidays where ('$self->{branchcode}' = branchcode) and (isexception = 0)");
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$holidays_sql->execute;
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my %single_holidays;
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while (my ($day, $month, $year, $title, $description) = $holidays_sql->fetchrow) {
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$single_holidays{"$year/$month/$day"}{title} = $title;
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$single_holidays{"$year/$month/$day"}{description} = $description;
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}
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$holidays_sql->finish;
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$self->{'single_holidays'} = \%single_holidays;
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}
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=item change_branchcode
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$calendar->change_branchcode(branchcode => $branchcode)
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Change the calendar branch code. This means to change the holidays structure.
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C<$branchcode> Is the branch code wich you want to use calendar.
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=cut
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sub change_branchcode {
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my ($self, $branchcode) = @_;
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my %options = @_;
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foreach my $optionName (keys %options) {
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$self->{lc($optionName)} = $options{$optionName};
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}
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$self->_init;
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return $self;
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}
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=item get_week_days_holidays
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$week_days_holidays = $calendar->get_week_days_holidays();
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Returns a hash reference to week days holidays.
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=cut
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sub get_week_days_holidays {
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my $self = shift @_;
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my $week_days_holidays = $self->{'week_days_holidays'};
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return $week_days_holidays;
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}
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=item get_day_month_holidays
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$day_month_holidays = $calendar->get_day_month_holidays();
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Returns a hash reference to day month holidays.
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=cut
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sub get_day_month_holidays {
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my $self = shift @_;
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my $day_month_holidays = $self->{'day_month_holidays'};
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return $day_month_holidays;
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}
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=item get_exception_holidays
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$exception_holidays = $calendar->exception_holidays();
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Returns a hash reference to exception holidays. This kind of days are those
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which stands for a holiday, but you wanted to make an exception for this particular
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date.
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=cut
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sub get_exception_holidays {
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my $self = shift @_;
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my $exception_holidays = $self->{'exception_holidays'};
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return $exception_holidays;
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}
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=item get_single_holidays
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$single_holidays = $calendar->get_single_holidays();
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Returns a hash reference to single holidays. This kind of holidays are those which
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happend just one time.
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=cut
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sub get_single_holidays {
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my $self = shift @_;
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my $single_holidays = $self->{'single_holidays'};
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return $single_holidays;
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}
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=item insert_week_day_holiday
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insert_week_day_holiday(weekday => $weekday,
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title => $title,
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description => $description);
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Inserts a new week day for $self->{branchcode}.
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C<$day> Is the week day to make holiday.
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C<$title> Is the title to store for the holiday formed by $year/$month/$day.
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C<$description> Is the description to store for the holiday formed by $year/$month/$day.
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=cut
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sub insert_week_day_holiday {
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my $self = shift @_;
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my %options = @_;
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my $dbh = C4::Context->dbh();
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my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ('', '$self->{branchcode}', $options{weekday}, NULL, NULL, '$options{title}', '$options{description}')");
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$insertHoliday->execute;
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$insertHoliday->finish;
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$self->{'week_days_holidays'}->{$options{weekday}}{title} = $options{title};
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$self->{'week_days_holidays'}->{$options{weekday}}{description} = $options{description};
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return $self;
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}
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=item insert_day_month_holiday
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insert_day_month_holiday(day => $day,
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month => $month,
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title => $title,
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description => $description);
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Inserts a new day month holiday for $self->{branchcode}.
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C<$day> Is the day month to make the date to insert.
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C<$month> Is month to make the date to insert.
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C<$title> Is the title to store for the holiday formed by $year/$month/$day.
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C<$description> Is the description to store for the holiday formed by $year/$month/$day.
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=cut
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sub insert_day_month_holiday {
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my $self = shift @_;
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my %options = @_;
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my $dbh = C4::Context->dbh();
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my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ('', '$self->{branchcode}', NULL, $options{day}, $options{month}, '$options{title}', '$options{description}')");
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$insertHoliday->execute;
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$insertHoliday->finish;
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$self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{title} = $options{title};
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$self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{description} = $options{description};
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return $self;
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}
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=item insert_single_holiday
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insert_single_holiday(day => $day,
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month => $month,
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year => $year,
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title => $title,
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description => $description);
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Inserts a new single holiday for $self->{branchcode}.
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C<$day> Is the day month to make the date to insert.
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C<$month> Is month to make the date to insert.
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C<$year> Is year to make the date to insert.
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C<$title> Is the title to store for the holiday formed by $year/$month/$day.
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C<$description> Is the description to store for the holiday formed by $year/$month/$day.
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=cut
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sub insert_single_holiday {
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my $self = shift @_;
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my %options = @_;
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my $dbh = C4::Context->dbh();
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my $isexception = 0;
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my $insertHoliday = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', '$self->{branchcode}', $options{day}, $options{month}, $options{year}, $isexception, '$options{title}', '$options{description}')");
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$insertHoliday->execute;
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$insertHoliday->finish;
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$self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
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$self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
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return $self;
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}
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=item insert_exception_holiday
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insert_exception_holiday(day => $day,
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month => $month,
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year => $year,
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title => $title,
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description => $description);
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Inserts a new exception holiday for $self->{branchcode}.
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C<$day> Is the day month to make the date to insert.
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C<$month> Is month to make the date to insert.
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C<$year> Is year to make the date to insert.
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C<$title> Is the title to store for the holiday formed by $year/$month/$day.
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C<$description> Is the description to store for the holiday formed by $year/$month/$day.
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=cut
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sub insert_exception_holiday {
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my $self = shift @_;
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my %options = @_;
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my $dbh = C4::Context->dbh();
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my $isexception = 1;
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my $insertException = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', '$self->{branchcode}', $options{day}, $options{month}, $options{year}, $isexception, '$options{title}', '$options{description}')");
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$insertException->execute;
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$insertException->finish;
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$self->{'exceptions_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
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$self->{'exceptions_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
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return $self;
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}
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=item delete_holiday
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delete_holiday(weekday => $weekday
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day => $day,
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month => $month,
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year => $year);
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Delete a holiday for $self->{branchcode}.
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C<$weekday> Is the week day to delete.
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C<$day> Is the day month to make the date to delete.
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C<$month> Is month to make the date to delete.
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C<$year> Is year to make the date to delete.
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=cut
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sub delete_holiday {
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my $self = shift @_;
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my %options = @_;
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# Verify what kind of holiday that day is. For example, if it is
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# a repeatable holiday, this should check if there are some exception
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# for that holiday rule. Otherwise, if it is a regular holiday, it<69>s
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# ok just deleting it.
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my $dbh = C4::Context->dbh();
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my $isSingleHoliday = $dbh->prepare("select id from special_holidays where (branchcode = '$self->{branchcode}') and (day = $options{day}) and (month = $options{month}) and (year = $options{year})");
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$isSingleHoliday->execute;
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if ($isSingleHoliday->rows) {
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my $id = $isSingleHoliday->fetchrow;
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$isSingleHoliday->finish; # Close the last query
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my $deleteHoliday = $dbh->prepare("delete from special_holidays where (id = $id)");
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$deleteHoliday->execute;
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$deleteHoliday->finish; # Close the last query
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delete($self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"});
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} else {
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$isSingleHoliday->finish; # Close the last query
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my $isWeekdayHoliday = $dbh->prepare("select id from repeatable_holidays where (branchcode = '$self->{branchcode}') and (weekday = $options{weekday})");
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$isWeekdayHoliday->execute;
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if ($isWeekdayHoliday->rows) {
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my $id = $isWeekdayHoliday->fetchrow;
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$isWeekdayHoliday->finish; # Close the last query
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my $updateExceptions = $dbh->prepare("update special_holidays set isexception = 0 where (WEEKDAY(CONCAT(special_holidays.year,'-',special_holidays.month,'-',special_holidays.day)) = $options{weekday}) and (branchcode = '$self->{branchcode}')");
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$updateExceptions->execute;
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$updateExceptions->finish; # Close the last query
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my $deleteHoliday = $dbh->prepare("delete from repeatable_holidays where (id = $id)");
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$deleteHoliday->execute;
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$deleteHoliday->finish;
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delete($self->{'week_days_holidays'}->{$options{weekday}});
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} else {
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$isWeekdayHoliday->finish; # Close the last query
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my $isDayMonthHoliday = $dbh->prepare("select id from repeatable_holidays where (branchcode = '$self->{branchcode}') (day = $options{day}) and (month = $options{month})");
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$isDayMonthHoliday->execute;
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if ($isDayMonthHoliday->rows) {
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my $id = $isDayMonthHoliday->fetchrow;
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$isDayMonthHoliday->finish;
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my $updateExceptions = $dbh->prepare("update special_holidays set isexception = 0 where (special_holidays.branchcode = '$self->{branchcode}') and (special_holidays.day = $options{day}) and (special_holidays.month = $options{month})");
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$updateExceptions->execute;
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$updateExceptions->finish; # Close the last query
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my $deleteHoliday = $dbh->prepare("delete from repeatable_holidays where (id = $id)");
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$deleteHoliday->execute;
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$deleteHoliday->finish; # Close the last query
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$isDayMonthHoliday->finish; # Close the last query
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delete($self->{'day_month_holidays'}->{"$options{month}/$options{day}"});
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}
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}
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}
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return $self;
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}
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=item isHoliday
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$isHoliday = isHoliday($day, $month $year);
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C<$day> Is the day to check wether if is a holiday or not.
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C<$month> Is the month to check wether if is a holiday or not.
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C<$year> Is the year to check wether if is a holiday or not.
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=cut
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sub isHoliday {
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my ($self, $day, $month, $year) = @_;
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my $weekday = Date_DayOfWeek($month, $day, $year) % 7;
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my $weekDays = $self->get_week_days_holidays();
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my $dayMonths = $self->get_day_month_holidays();
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my $exceptions = $self->get_exception_holidays();
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my $singles = $self->get_single_holidays();
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if (defined($exceptions->{"$year/$month/$day"})) {
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return 0;
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} else {
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if ((exists($weekDays->{$weekday})) ||
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(exists($dayMonths->{"$month/$day"})) ||
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(exists($singles->{"$year/$month/$day"}))) {
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return 1;
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} else {
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return 0;
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}
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}
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}
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=item addDate
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my ($day, $month, $year) = $calendar->addDate($day, $month, $year, $offset)
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C<$day> Is the starting day of the interval.
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C<$month> Is the starting month of the interval.
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C<$year> Is the starting year of the interval.
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C<$offset> Is the number of days that this function has to count from $date.
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=cut
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sub addDate {
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my ($self, $day, $month, $year, $offset) = @_;
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if ($offset < 0) { # In case $offset is negative
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$offset = $offset*(-1);
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}
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my $daysMode = C4::Context->preference('useDaysMode');
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if ($daysMode eq 'normal') {
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($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, ($offset - 1));
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} else {
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while ($offset > 0) {
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if (!($self->isHoliday($day, $month, $year))) {
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$offset = $offset - 1;
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}
|
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if ($offset > 0) {
|
||
($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, 1);
|
||
}
|
||
}
|
||
}
|
||
|
||
return($day, $month, $year);
|
||
}
|
||
|
||
=item daysBetween
|
||
|
||
my $daysBetween = $calendar->daysBetween($dayFrom, $monthFrom, $yearFrom,
|
||
$dayTo, $monthTo, $yearTo)
|
||
|
||
C<$dayFrom> Is the starting day of the interval.
|
||
|
||
C<$monthFrom> Is the starting month of the interval.
|
||
|
||
C<$yearFrom> Is the starting year of the interval.
|
||
|
||
C<$dayTo> Is the ending day of the interval.
|
||
|
||
C<$monthTo> Is the ending month of the interval.
|
||
|
||
C<$yearTo> Is the ending year of the interval.
|
||
|
||
=cut
|
||
|
||
sub daysBetween {
|
||
my ($self, $dayFrom, $monthFrom, $yearFrom, $dayTo, $monthTo, $yearTo) = @_;
|
||
|
||
my $daysMode = C4::Context->preference('useDaysMode');
|
||
my $count = 1;
|
||
my $continue = 1;
|
||
if ($daysMode eq 'normal') {
|
||
while ($continue) {
|
||
if (($yearFrom != $yearTo) || ($monthFrom != $monthTo) || ($dayFrom != $dayTo)) {
|
||
($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);
|
||
$count++;
|
||
} else {
|
||
$continue = 0;
|
||
}
|
||
}
|
||
} else {
|
||
while ($continue) {
|
||
if (($yearFrom != $yearTo) || ($monthFrom != $monthTo) || ($dayFrom != $dayTo)) {
|
||
if (!($self->isHoliday($dayFrom, $monthFrom, $yearFrom))) {
|
||
$count++;
|
||
}
|
||
($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);
|
||
} else {
|
||
$continue = 0;
|
||
}
|
||
}
|
||
}
|
||
return($count);
|
||
}
|
||
|
||
1;
|
||
|
||
__END__
|
||
|
||
=back
|
||
|
||
=head1 AUTHOR
|
||
|
||
Koha Physics Library UNLP <matias_veleda@hotmail.com>
|
||
|
||
=cut |