Class: MonthWeeks::Month

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Month

Returns a new instance of Month.



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# File 'lib/month_weeks/month.rb', line 8

def initialize(*args)
  options = args.last.kind_of?(Hash) ? args.pop : {}

  if args.length == 2
    year, month = args
    @init_date = Date.new(year, month)
  elsif args.length == 1
    date = args.first
    @init_date = Date.parse(date)
  else
    raise ArgumentError.new("wrong number of arguments (0 for 1..3)")
  end

  @first_day_of_week = options[:first_day_of_week] || 1
end

Instance Attribute Details

#first_day_of_week ⇒ Object (readonly)

Returns the value of attribute first_day_of_week.



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# File 'lib/month_weeks/month.rb', line 5

def first_day_of_week
  @first_day_of_week
end

Instance Method Details

#days ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 56

def days
  case month
  when 1, 3, 5, 7, 8, 10, 12
    31
  when 4, 6, 9, 11
    30
  when 2
    Date.leap?(year) ? 29 : 28
  end
end

#first ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 44

def first
  day_to_date(1)
end

#last ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 48

def last
  day_to_date(days)
end

#last_day_of_week ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 52

def last_day_of_week
  (first_day_of_week + 6) % 7
end

#month ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 28

def month
  init_date.month
end

#to_h ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 67

def to_h
  { :year => year, :month => month, :first => first, :last => last,
    :weeks => weeks
  }
end

#to_json(*args) ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 73

def to_json(*args)
  self.to_h.to_json(*args)
end

#to_s ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 77

def to_s
  sprintf("%d-%02d", year, month)
end

#weeks ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 32

def weeks
  current = first
  weeks = []
  while (current <= last) do
    start_date = current
    end_date = day_to_date(end_of_week(start_date))
    weeks << Week.new(start_date, end_date)
    current = end_date.next
  end
  weeks
end

#year ⇒ Object 



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# File 'lib/month_weeks/month.rb', line 24

def year
  init_date.year
end