-=head2 addDate
-
- my ($day, $month, $year) = $calendar->addDate($date, $offset)
-
-C<$date> is a C4::Dates object representing the starting date of the interval.
-
-C<$offset> Is the number of days that this function has to count from $date.
-
-=cut
-
-sub addDate {
- my ($self, $startdate, $offset) = @_;
- my ($year,$month,$day) = split("-",$startdate->output('iso'));
- my $daystep = 1;
- if ($offset < 0) { # In case $offset is negative
- # $offset = $offset*(-1);
- $daystep = -1;
- }
- my $daysMode = C4::Context->preference('useDaysMode');
- if ($daysMode eq 'Datedue') {
- ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $offset );
- while ($self->isHoliday($day, $month, $year)) {
- ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $daystep);
- }
- } elsif($daysMode eq 'Calendar') {
- while ($offset != 0) {
- ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $daystep);
- if (!($self->isHoliday($day, $month, $year))) {
- $offset = $offset - $daystep;
- }
- }
- } else { ## ($daysMode eq 'Days')
- ($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, $offset );
- }
- return(C4::Dates->new( sprintf(ISO_DATE_FORMAT,$year,$month,$day),'iso'));
-}
-
-=head2 daysBetween
-
- my $daysBetween = $calendar->daysBetween($startdate, $enddate)
-
-C<$startdate> and C<$enddate> are C4::Dates objects that define the interval.
-
-Returns the number of non-holiday days in the interval.
-useDaysMode syspref has no effect here.
-=cut
-
-sub daysBetween {
- my $self = shift or return;
- my $startdate = shift or return;
- my $enddate = shift or return;
- my ($yearFrom,$monthFrom,$dayFrom) = split("-",$startdate->output('iso'));
- my ($yearTo, $monthTo, $dayTo ) = split("-", $enddate->output('iso'));
- if (Date_to_Days($yearFrom,$monthFrom,$dayFrom) > Date_to_Days($yearTo,$monthTo,$dayTo)) {
- return 0;
- # we don't go backwards ( FIXME - handle this error better )
- }
- my $count = 0;
- while (1) {
- ($yearFrom != $yearTo or $monthFrom != $monthTo or $dayFrom != $dayTo) or last; # if they all match, it's the last day
- unless ($self->isHoliday($dayFrom, $monthFrom, $yearFrom)) {
- $count++;
- }
- ($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);
- }
- return($count);
-}
-