yearly-plan/app/models/event.rb

class Event
    attr_accessor :begin_at, :end_at, :name, :color

    def initialize(begin_at = DateTime.now.beginning_of_day, end_at = DateTime.now.end_of_day)
        @begin_at = begin_at
        @end_at = end_at
    end
    
    def during?(d)
		self.begin_at <= d && d <= self.end_at
	end

    def first_day?(d)
        self.begin_at.beginning_of_day <= d && d <= self.begin_at.end_of_day
    end
end