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| author | Shota Iguchi <shota-iguchi@cookpad.com> | 2017-05-30 20:13:29 +0900 |
|---|---|---|
| committer | David Heinemeier Hansson <david@loudthinking.com> | 2017-05-30 13:13:29 +0200 |
| commit | 3fbe657e9b65814b3837fd13628e7a812dc0a0ea (patch) | |
| tree | 45f2ffb1b7732140024a2c2c207cbd7b835cff66 /activesupport/lib/active_support | |
| parent | 5d9d6a4fbf72029266bfa643929a9a80f9286fbe (diff) | |
| download | rails-3fbe657e9b65814b3837fd13628e7a812dc0a0ea.tar.gz rails-3fbe657e9b65814b3837fd13628e7a812dc0a0ea.tar.bz2 rails-3fbe657e9b65814b3837fd13628e7a812dc0a0ea.zip | |
Add next occur and previous occurred day of week API (#26600)
Diffstat (limited to 'activesupport/lib/active_support')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/date_and_time/calculations.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb index f2ba7fdda5..e2e1d3e359 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb @@ -320,6 +320,22 @@ module DateAndTime beginning_of_year..end_of_year end + # Returns specific next occurring day of week + def next_occurring(day_of_week) + current_day_number = wday != 0 ? wday - 1 : 6 + from_now = DAYS_INTO_WEEK.fetch(day_of_week) - current_day_number + from_now += 7 unless from_now > 0 + since(from_now.days) + end + + # Returns specific previous occurring day of week + def prev_occurring(day_of_week) + current_day_number = wday != 0 ? wday - 1 : 6 + ago = current_day_number - DAYS_INTO_WEEK.fetch(day_of_week) + ago += 7 unless ago > 0 + ago(ago.days) + end + private def first_hour(date_or_time) date_or_time.acts_like?(:time) ? date_or_time.beginning_of_day : date_or_time |