Class: OpeningHoursConverter::WeekIndex

Inherits:
Object
  • Object
show all
Extended by:
Utils
Includes:
Constants
Defined in:
lib/opening_hours_converter/week_index.rb

Constant Summary

Constants included from Constants

Constants::DAYS, Constants::DAYS_MAX, Constants::IRL_DAYS, Constants::IRL_MONTHS, Constants::MINUTES_MAX, Constants::MONTH_END_DAY, Constants::OSM_DAYS, Constants::OSM_MONTHS, Constants::PH_WEEKDAY, Constants::YEAR_DAYS_MAX

Class Method Summary collapse

Methods included from Utils

add_days_to_time, datetime_to_time, day_difference, last_day_of_month, leap_year?, reindex_sunday_week_to_monday_week, seconds_in_day, time_to_datetime, timstring_as_minutes, week_difference

Class Method Details

.add_offset_to_week(week, offset) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 28

def self.add_offset_to_week(week, offset)
  {
    from: week[:from] + offset,
    to: week[:to] + offset
  }
end

.first_day_of_first_week(year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 60

def self.first_day_of_first_week(year = Time.now.year)
  first_day_of_year = Date.new(year, 1, 1)
  first_wday_of_year = reindex_sunday_week_to_monday_week(first_day_of_year.wday)

  return first_day_of_year if first_wday_of_year == 0 # first day of year is monday
  return Date.new(year - 1, 12, 31 - first_wday_of_year + 1) if first_wday_of_year < 4 # first day of year is tuesday wednesday or thursday
  return Date.new(year, 1, 7 - first_wday_of_year + 1) # first day of year is friday saturday or sunday
end

.first_week(year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 35

def self.first_week(year = Time.now.year)
  start_day = first_day_of_first_week(year)
  {
    from: start_day,
    to: start_day + 6
  }
end

.index_from_week(week, year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 17

def self.index_from_week(week, year = Time.now.year)
  week_difference(first_week(year)[:from], week[:from]) + 1
end

.last_day_of_last_week(year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 51

def self.last_day_of_last_week(year = Time.now.year)
  last_day_of_year = Date.new(year, 12, 31)
  last_wday_of_year = reindex_sunday_week_to_monday_week(last_day_of_year.wday)

  return last_day_of_year if last_wday_of_year == 6 # last day of year is sunday
  return Date.new(year + 1, 1, 7 - last_wday_of_year - 1) if last_wday_of_year >= 3 # last day of year is thursday friday or saturday
  return Date.new(year, 12, 31 - last_wday_of_year - 1) # last day of year is monday tuesday or wednesday
end

.last_wday_of_month(wday, month, year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 100

def self.last_wday_of_month(wday, month, year = Time.now.year)
  last_day_of_month = Date.new(year, month, last_day_of_month(month - 1, year))
  last_wday_of_month = reindex_sunday_week_to_monday_week(last_day_of_month.wday)

  date =
    if wday == last_wday_of_month
      # last day of the month is the weekday we are looking for

      last_day_of_month
    elsif wday > last_wday_of_month
      # last day of the month is before (in the week) than the weekday we are looking for
      # so we look in the previous week

      previous_week_monday = last_day_of_month - last_wday_of_month - 7
      previous_week_monday + wday
    else
      # last day of the month is after (in the week) than the weekday we are looking for
      # so we look in the current week

      first_day_of_the_week = last_day_of_month - last_wday_of_month
      first_day_of_the_week + wday
    end
  raise 'Out of bound' unless date.month == month

  date
end

.last_week(year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 43

def self.last_week(year = Time.now.year)
  end_day = last_day_of_last_week(year)
  {
    from: end_day - 6,
    to: end_day
  }
end

.nth_wday_of_month(n, wday, month, year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 69

def self.nth_wday_of_month(n, wday, month, year = Time.now.year)
  return last_wday_of_month(wday, month, year) if n == -1

  first_day_of_month = Date.new(year, month, 1)
  first_wday_of_month = reindex_sunday_week_to_monday_week(first_day_of_month.wday)

  date =
    if wday == first_wday_of_month
      # first day of the month is the weekday we are looking for

      first_day_of_month + (n - 1) * 7
    elsif wday < first_wday_of_month
      # first day of the month is after (in the week) than the weekday we are looking for
      # so we look in the next week

      last_monday_of_previous_month = first_day_of_month - first_wday_of_month
      first_monday_of_the_month = last_monday_of_previous_month + 7

      first_monday_of_the_month + wday + (n - 1) * 7
    else
      # first day of the month is before (in the week) than the weekday we are looking for
      # so we look in the current week

      first_day_of_the_week = first_day_of_month - first_wday_of_month
      first_day_of_the_week + wday + (n - 1) * 7
    end
  raise 'Out of bound' unless date.month == month

  date
end

.week_count(year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 21

def self.week_count(year = Time.now.year)
  p = proc { |year| (year + (year / 4) - (year / 100) + (year / 400)) % 7 }

  return 53 if p.call(year) == 4 || p.call(year - 1) == 3
  return 52
end

.week_from_index(index, year = Time.now.year) ⇒ Object 



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# File 'lib/opening_hours_converter/week_index.rb', line 9

def self.week_from_index(index, year = Time.now.year)
  raise unless index >= 1

  week = first_week(year)
  offset = (index - 1) * 7
  add_offset_to_week(week, offset)
end