gistfile1.txt

class Package
  attr_accessor :contents
  attr_reader :from_location
  attr_accessor :to_location
  attr_reader :current_location
  attr_reader :stops

  def self.delivery_est(from, to)
    if from == "San Francisco, CA" && to == "Chicago, IL"
      2
    elsif from == "Austin, TX" && to == "New York, NY"
      2
    elsif from == "San Diego, CA" && to == "New York, NY"
      3
    end
  end

  def self.new_packages(contents, from_loc, to_loc)
    delivery = self.delivery_est(from_loc, to_loc)

    a = Package.new(contents[0], from_loc, to_loc, delivery)
    b = Package.new(contents[1], from_loc, to_loc, delivery)

    [a,b]
  end

  def initialize(contents, from_loc, to_loc, del_est)
    @contents = contents
    self.from_location = from_loc
    @to_location = to_loc
    @delivery_est = del_est
  end

  def from_location=(new_loc)
    @from_location = new_loc
    @stops = [new_loc]
  end

  def delivered?
    @current_location == @to_location
  end

  def checked_in_at(location)
    @stops << location
    @current_location = location
  end

  def estimated_delivery
    @delivery_est - @stops.length
  end
end