module SunbusDayLookup

SunbusDayLookup — service-day iteration and date formatting for GTFS calendars. Public: each_service_day, shift_time, format_service_date, local_date Depends: (none) Tests: test/lib/sunbus_day_lookup_test.rb

Constants

LOCAL_OFFSET
MAX_ADVANCE_DAYS

Public Instance Methods

each_service_day (time) { |shift_time(time, offset), offset| ... }

Source

# File lib/sunbus/day_lookup.rb, line 14
def each_service_day(time)
  (0..MAX_ADVANCE_DAYS).each do |offset|
    yield(shift_time(time, offset), offset)
  end
end

format_service_date (date)

Source

# File lib/sunbus/day_lookup.rb, line 28
def format_service_date(date)
  date.strftime("%a %-d %b")
end

local_date (time)

Source

# File lib/sunbus/day_lookup.rb, line 32
def local_date(time)
  time.getlocal(LOCAL_OFFSET)
end

shift_time (base_time, day_offset)

Source

# File lib/sunbus/day_lookup.rb, line 20
def shift_time(base_time, day_offset)
  local = local_date(base_time)
  return base_time if day_offset.zero?

  date = local + (day_offset * 86_400)
  Time.new(date.year, date.month, date.day, 0, 0, 0, local.utc_offset)
end