tracks/app/models/recurring_todos/yearly_recurrence_pattern.rb
2020-10-10 15:24:01 +03:00

106 lines
3.4 KiB
Ruby

module RecurringTodos
class YearlyRecurrencePattern < AbstractRecurrencePattern
def initialize(user)
super user
end
def recurrence_selector
get :recurrence_selector
end
def month_of_year
get :every_other2
end
def every_x_day
get :every_other1
end
def every_xth_day
get :every_other3
end
def day_of_week
get :every_count
end
def month_of_year2
# if recurrence pattern is every xth day in a month, return month otherwise
# return a default value
get(:recurrence_selector) == 1 ? get(:every_other2) : Time.zone.now.month
end
def recurrence_pattern
if self.recurrence_selector == 0
I18n.t("todos.recurrence.pattern.every_year_on", :date => date_as_month_day)
else
I18n.t("todos.recurrence.pattern.every_year_on",
:date => I18n.t("todos.recurrence.pattern.the_xth_day_of_month",
:x => xth(every_xth_day),
:day => day_of_week_as_text(day_of_week),
:month => month_of_year_as_text(month_of_year)
))
end
end
def validate
super
case recurrence_selector
when 0 # 'yearly_every_x_day'
validate_not_blank(month_of_year, "The month of the year may not be empty for recurrence setting")
validate_not_blank(every_x_day, "The day of the month may not be empty for recurrence setting")
when 1 # 'yearly_every_xth_day'
validate_not_blank(month_of_year2, "The month of the year may not be empty for recurrence setting")
validate_not_blank(every_xth_day, "The nth day of the month may not be empty for recurrence setting")
validate_not_blank(day_of_week, "The day of the week may not be empty for recurrence setting")
else
raise "unexpected value of recurrence selector '#{recurrence_selector}'"
end
end
def get_next_date(previous)
start = determine_start(previous)
month = get(:every_other2)
case recurrence_selector
when 0 # specific day of a specific month
return get_specific_day_of_month(start, month)
when 1 # relative weekday of a specific month
return get_relative_weekday_of_month(start, month)
end
nil
end
private
def date_as_month_day
I18n.l(DateTime.new(Time.zone.now.year, month_of_year, every_x_day), :format => :month_day)
end
def get_specific_day_of_month(start, month)
if start.month > month || (start.month == month && start.day >= every_x_day)
# if there is no next month n and day m in this year, search in next
# year
start = Time.zone.local(start.year + 1, month, 1)
else
# if there is a next month n, stay in this year
start = Time.zone.local(start.year, month, 1)
end
Time.zone.local(start.year, month, every_x_day)
end
def get_relative_weekday_of_month(start, month)
# if there is no next month n in this year, search in next year
the_next = start.month > month ? Time.zone.local(start.year + 1, month, 1) : start
# get the xth day of the month
the_next = get_xth_day_of_month(self.every_xth_day, day_of_week, month, the_next.year)
# if the_next is before previous, we went back into the past, so try next
# year
the_next = get_xth_day_of_month(self.every_xth_day, day_of_week, month, start.year + 1) if the_next <= start
the_next
end
end
end