forked from professor/GildedRose
-
Notifications
You must be signed in to change notification settings - Fork 0
/
gilded_rose.rb
59 lines (47 loc) · 1.38 KB
/
gilded_rose.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
require './item.rb'
class GildedRose
attr_reader :items
@items = []
def item_by_name(name)
items.detect{|i| i.name == name}
end
def initialize(items = [])
@items = items
@items << Item.new("+5 Dexterity Vest", 10, 20)
@items << Item.new("Aged Brie", 2, 0)
@items << Item.new("Elixir of the Mongoose", 5, 7)
@items << Item.new("Sulfuras, Hand of Ragnaros", 0, 80)
@items << Item.new("Backstage passes to a TAFKAL80ETC concert", 15, 20)
@items << Item.new("Conjured Mana Cake", 3, 6)
end
def update_quality
items.each { |item| update item }
end
private
def update item
strategy_for(item.name).call item
end
def strategy_for item_name
updators = {
"Aged Brie" => method(:update_aged_brie),
"Sulfuras, Hand of Ragnaros" => proc {},
"Backstage passes to a TAFKAL80ETC concert" => method(:update_ticket),
}
updators.fetch(item_name, method(:normal_strategy))
end
def update_aged_brie item
item.quality = [50, item.quality + 1].min
item.sell_in -= 1
end
def normal_strategy item
item.quality = [0, item.quality - 1].max
item.sell_in -= 1
end
def update_ticket item
item.sell_in < 11 && item.quality += 1
item.sell_in < 6 && item.quality += 1
item.quality = [50, item.quality + 1].min
item.sell_in = item.sell_in - 1
item.sell_in < 0 && item.quality = 0
end
end