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module MilestoneArray
class << self
def sort(array, sort_method)
case sort_method
when 'due_date_asc'
sort_asc_nulls_last(array, 'due_date')
when 'due_date_desc'
sort_desc_nulls_last(array, 'due_date')
when 'start_date_asc'
sort_asc_nulls_last(array, 'start_date')
when 'start_date_desc'
sort_desc_nulls_last(array, 'start_date')
when 'name_asc'
sort_asc(array, 'title')
when 'name_desc'
sort_desc(array, 'title')
else
array
end
end
private
def sort_asc_nulls_last(array, attribute)
array.select(&attribute.to_sym).sort_by(&attribute.to_sym) + array.reject(&attribute.to_sym)
end
def sort_desc_nulls_last(array, attribute)
array.select(&attribute.to_sym).sort_by(&attribute.to_sym).reverse + array.reject(&attribute.to_sym)
end
def sort_asc(array, attribute)
array.sort_by(&attribute.to_sym)
end
def sort_desc(array, attribute)
array.sort_by(&attribute.to_sym).reverse
end
end
end
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