class Cyclical::WeeklyRule

holds daily rule configuration

Public Instance Methods

aligned?(time, base) click to toggle source

check if time is aligned to a base time, including interval check

# File lib/cyclical/rules/weekly_rule.rb, line 8
def aligned?(time, base)
  return false unless ((base.beginning_of_week - time.beginning_of_week) / 604800).to_i % @interval == 0 # 604800 = 7.days
  return false unless [time.hour, time.min, time.sec] == [base.hour, base.min, base.sec] # the shortest filter we support is for days

  return false unless base.wday == time.wday || weekday_filters

  # wow, passed every test
  true
end
step() click to toggle source

default step of the rule

# File lib/cyclical/rules/weekly_rule.rb, line 19
def step
  @interval.weeks
end

Protected Instance Methods

align(time, base) click to toggle source
# File lib/cyclical/rules/weekly_rule.rb, line 43
def align(time, base)
  time = time.beginning_of_week + base.wday.days unless time.wday == base.wday || weekday_filters

  # compensate crossing DST barrier (oh my...)
  offset = time.beginning_of_day.utc_offset
  time = time.beginning_of_day + base.hour.hours + base.min.minutes + base.sec.seconds
  time += (offset - time.utc_offset)

  time
end
potential_next(current, base) click to toggle source
Calls superclass method Cyclical::Rule#potential_next
# File lib/cyclical/rules/weekly_rule.rb, line 25
def potential_next(current, base)
  candidate = super(current, base)

  rem = ((base.beginning_of_week - candidate.beginning_of_week) / 604800).to_i % @interval
  return candidate if rem == 0

  (candidate + rem.weeks).beginning_of_week
end
potential_previous(current, base) click to toggle source
Calls superclass method Cyclical::Rule#potential_previous
# File lib/cyclical/rules/weekly_rule.rb, line 34
def potential_previous(current, base)
  candidate = super(current, base)

  rem = ((base.beginning_of_week - candidate.beginning_of_week) / 604800).to_i % @interval
  return candidate if rem == 0

  (candidate + rem.weeks - step).end_of_week
end
weekday_filters() click to toggle source
# File lib/cyclical/rules/weekly_rule.rb, line 54
def weekday_filters
  filters(:weekdays) || filters(:monthdays) || filters(:yeardays) || filters(:yeardays) || filters(:weeks) || filters(:months)
end