/*
This macro provides a boolean answer to the question:
- Is this date before the previous month?
The computation is based on the current date by using now()

Inputs:
    - date: the date from which you want to check 
Output:
    - boolean; true for is before the previous month
               false for is not before the previous month
*/
{% macro is_date_before_previous_month(date) %}
    (
        date_trunc('month', ({{ date }})::date)::date
        + interval '1 month'
    )::date
    < date_trunc('month', now())::date
{% endmacro %}