Stuff

prog2/coffeemachine/coffeemachine.rb

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+#!/usr/bin/ruby -w
+

prog2/coffeemachine/par_programmering_coffee.rb

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+class Coffee
+
+    attr_accessor(:location, :change, :coffees, :price, :served)
+
+    def initialize(location, change, coffees, price)
+
+        @location = location
+        @change = change
+        @coffees = coffees
+        @price = price
+        @served = 0
+
+    end
+
+    def prompt()
+        if @coffees > 0
+            puts "betala #{@price} kr"
+            inserted_money = await_payment()
+            successful_payment = verify_payment(inserted_money)
+
+            if successful_payment == true
+
+                give_coffee()
+
+            end
+        else
+            puts "Inget mera kaffe finns! :("
+        end
+    end
+
+    def give_coffee
+
+        @coffees -= 1
+
+        puts "här är ditt kaffe"
+
+    end
+
+    def await_payment()
+        print("Inset money: ")
+        inp = gets.chomp
+
+        coins = inp.gsub(" ", "").split(",")
+        coin_hash = Hash.new(0)
+
+        coins.each_with_index do |v, k|
+            coin_arr = v.split(":")
+            coin_type = coin_arr[0].to_i
+            coin_amount = coin_arr[1].to_i
+
+            coin_hash[coin_type] = coin_amount
+        end
+
+        return coin_hash
+    end
+
+    def verify_payment(coins)
+
+        summed_price = 0
+
+        coins.each do |coin_array|
+            summed_price += coin_array[0] * coin_array[1]
+        end
+
+        d_price = summed_price - @price
+
+        if d_price < 0
+            puts "du har betalat för lite"
+            return false
+        elsif d_price > 0
+
+            puts "Du har betalat för mycket!"
+            puts "Här är din change."
+
+            @change.each_key do |type|
+                amount = (d_price / type).to_i
+                if type * amount == d_price
+                    @change[type] -= amount
+                    puts "här är #{amount}st #{type}kr" 
+                    break
+                else
+                    puts "unable to give change"
+                end
+            end
+
+            return true
+        elsif d_price == 0
+            return true
+        end
+
+    end
+
+end
+
+x = Coffee.new("Något ställe", {5=>10, 2=>2}, 1, 10)
+x.prompt()