WHAT IS IT?

Allows you to easily do queries based on date ranges.

You can either pass a symbol:

:today, :yesterday, :last_year, :this_year, :next_year, :this_month,

:last_month, :next_month, :month_to_date

Or you can pass a range:

5.days.ago .. 10.days.from_now

Examples

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Book.when(:yesterday).count # defaults filtering based on created_at field

Book.when(:this_month,:updated_at).count 

Book.when(Date.civil(2002)..Date.civil(2006),:deleted_at).count