Class: DateOperations

Inherits:
Object
  • Object
show all
Defined in:
lib/dateoperations.rb

Overview

Different date operations, primarily around business days, based on the Holidays Gem.

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.country ⇒ Object

Switches to the calendar of the respective country:

  • :de = Germany

  • :us = USA

  • …



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# File 'lib/dateoperations.rb', line 16

def country
  @country
end

Class Method Details

.business_days_between(start_date, end_date) ⇒ Object

Returns an array with dates for the business days (week days (Monday to Friday) without holidays). between a given start and end date.



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# File 'lib/dateoperations.rb', line 33

def self.business_days_between(start_date, end_date)
  week_days = week_days_between(start_date, end_date)
  week_days.reject { |b| holiday?(b) }
end

.holiday?(date) ⇒ Boolean

Checks whether a given date is a holiday based on the calendar for the respective country.

Returns:

  • (Boolean) 


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# File 'lib/dateoperations.rb', line 51

def self.holiday?(date)
  return false if Holidays.on(date, DateOperations.country, :informal).empty?
  true
end

.number_of_business_days_between(start_date, end_date) ⇒ Object

Returns the number of business days (week days (Monday to Friday) without holidays). between a given start and end date.



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# File 'lib/dateoperations.rb', line 40

def self.number_of_business_days_between(start_date, end_date)
  business_days = business_days_between(start_date, end_date)
  business_days.length
end

.number_of_week_days_between(start_date, end_date) ⇒ Object

returns the number of week days (Monday to Friday) between a given start and end date.



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# File 'lib/dateoperations.rb', line 26

def self.number_of_week_days_between(start_date, end_date)
  week_days = week_days_between(start_date, end_date)
  week_days.length
end

.week_days_between(start_date, end_date) ⇒ Object

Returns an array with dates for the week days (Monday to Friday) between a given start and end date.



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# File 'lib/dateoperations.rb', line 20

def self.week_days_between(start_date, end_date)
  week_day_nbrs = (1..5)
  (start_date..end_date).select { |w| week_day_nbrs.include?(w.wday) }
end

.weekend?(date) ⇒ Boolean

Checks whether a given date is a weekend (Saturday, Sunday).

Returns:

  • (Boolean) 


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# File 'lib/dateoperations.rb', line 46

def self.weekend?(date)
  date.saturday? || date.sunday?
end