Sha256: e25b12b81f4a298bd5d4bb9312a0b46aca4e283742d66743ed44d26ed2bd37fe
Contents?: true
Size: 842 Bytes
Versions: 5
Compression:
Stored size: 842 Bytes
Contents
module SlideRule
module DistanceCalculators
class DayOfMonth
MAX_DAYS = 15
#
# Calculates distance using 15 as the max point.
# Does not take into account the number of days in the actual month being considered.
#
def calculate(first, second)
first = cleanse_date(first)
second = cleanse_date(second)
difference_in_days(first, second).to_f / MAX_DAYS
end
def difference_in_days(first, second)
distance = (first.mday - second.mday).abs
return distance if distance <= MAX_DAYS
MAX_DAYS - (distance - MAX_DAYS)
end
private
def cleanse_date(date)
date = Date.parse(date) unless date.is_a?(::Date) || date.is_a?(::Time)
date = date.to_date if date.is_a?(::Time)
date
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems