Class: Month

Inherits:
Object show all
Includes:
Comparable
Defined in:
lib/coaster/core_ext/month.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.current ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 34

def current
  from(Date.current)
end

.from(object) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 7

def from(object)
  case object
    when Month then object
    when String then Month.parse(object)
    when Array then Month.new(object[0], object[1])
    else new(object.year, object.month)
  end
end

.now ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 38

def now
  from(Time.zone.now)
end

.parse(str) ⇒ Object

Month.parse(‘201601’) Month.parse(‘2016-01’)



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# File 'lib/coaster/core_ext/month.rb', line 18

def parse(str)
  date = Date.parse(str)
  from(date)
rescue ArgumentError => e
  if str.instance_variable_get(:@_gsub_)
    raise e, str: str.instance_variable_get(:@_gsub_)
  elsif e.message != 'invalid date'
    raise e, str: str
  end
  str_gsub = str.gsub(/[^\d]/, '')
  str_gsub.insert(4, '0') if str_gsub.length == 5
  str_gsub += '01'
  str_gsub.instance_variable_set(:@_gsub_, str_gsub)
  parse(str_gsub)
end

Instance Method Details

#+(time) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 104

def +(time)
  first_date + time
end

#-(time) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 100

def -(time)
  first_date - time
end

#<=>(other) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 109

def <=>(other)
  first_date <=> Month.from(other).first_date
end

#beginning_of_month ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 71

def beginning_of_month
  first_date.beginning_of_day
end

#date_for_day(number) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 79

def date_for_day(number)
  Date.new(year, month, number)
end

#each_date(&block) ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 59

def each_date(&block)
   (first_date..last_date).each(&block)
end

#end_of_month ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 75

def end_of_month
  last_date.end_of_day
end

#first_date ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 51

def first_date
  Date.new(year, month, 1)
end

#first_day ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 63

def first_day
  first_date.day
end

#last_date ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 55

def last_date
  Date.new(year, month, -1)
end

#last_day ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 67

def last_day
  last_date.day
end

#later ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 91

def later
  self.class.from(last_date + 1)
end

#month ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 47

def month
  Integer(@month)
end

#previous ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 87

def previous
  self.class.from(first_date - 1)
end

#succ ⇒ Object

Range implement



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# File 'lib/coaster/core_ext/month.rb', line 114

def succ
  later
end

#to_s ⇒ Object Also known as: inspect 



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# File 'lib/coaster/core_ext/month.rb', line 95

def to_s
  "#{year}-#{month}"
end

#to_time_range ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 83

def to_time_range
  beginning_of_month...(later.beginning_of_month)
end

#year ⇒ Object 



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# File 'lib/coaster/core_ext/month.rb', line 43

def year
  Integer(@year)
end