parcels.rb

# Create a Parcel class.
# You should be able to create a new parcel and specify the dimensions and weight in the arguments.
# When you call volume on an instance, it should return the product of the sides.
# When you call the cost_to_ship method on your parcel, return a cost based on a formula you make up.
# Build a program that lets users calculate shipping costs.

class Parcel
	attr_accessor :height, :weight, :he, :we

	def initialize(height,weight)
		@height = height
		@weight = weight
	end
end

class User
    attr_accessor :name, :he, :we, :cost, :parcel
	

	def initialize(name)
		@name = name
		@he = he
		@we = we
        @cost = 0
        @parcel = []
		
	end

	def volume
		p "Welcome to our shop"
		p "Please enter height of your parcel"
		he = gets.chomp
		p "Please enter weight of your parcel"
		we = gets.chomp
        
        @parcel  =  Parcel.new(he,we)

        p "You want to ship a parcel #{@parcel.height} ft and #{@parcel.weight} pounds"

    end
        
   
    def cost_to_ship
        @cost = @parcel.height.to_i * 5 + @parcel.weight.to_i * 10
        p "The fee of shipping is $5 for 1 feet and $10 for 1 pounds"
        p "Your total cost would be $#{@cost}"
    end
    
    def ask
        p "Please enter height"
        he = gets.chomp
        p "Please enter weight"
        we = gets.chomp
        total = he.to_i * 5 + we.to_i * 10
        p "Your total will be $#{total}"
    end
        
    def calculate
        puts "\r"
        p "Do you want to count shipping cost:? y for yes e for exit"
        answer = gets.chomp

        if answer == "y"
            ask()
        else
            return
        end
            
        puts "\r"
        p "Do you want to keep calculating: y for yes, e for exit"
        answer = gets.chomp

        if answer == "y"
            ask()
        else
            return
        end
    
end
end
thanh = User.new :Thanh
thanh.volume
thanh.cost_to_ship
thanh.calculate