method

prev_occurring

v7.1.3.2 - Show latest stable - 0 notes - Class: Calculations

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

prev_occurring(day_of_week) public

Returns a new date/time representing the previous occurrence of the specified day of week.

today = Date.today               # => Thu, 14 Dec 2017
today.prev_occurring(:monday)    # => Mon, 11 Dec 2017
today.prev_occurring(:thursday)  # => Thu, 07 Dec 2017

Show source

# File activesupport/lib/active_support/core_ext/date_and_time/calculations.rb, line 351
    def prev_occurring(day_of_week)
      ago = wday - DAYS_INTO_WEEK.fetch(day_of_week)
      ago += 7 unless ago > 0
      advance(days: -ago)
    end

prev_occurring

Related methods