- Replace `beginning_of_day..end_of_day` with `all_day`
- Replace `beginning_of_week..end_of_week` with `all_week`
- Replace `beginning_of_month..end_of_month` with `all_month`
- Replace `beginning_of_year..end_of_year` with `all_year`
These changes improve code readability by using idiomatic Rails
methods that accomplish the same thing in a more concise and
expressive way.