Added twelvedays.rb

ruby/twelvedays.rb

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+#  twelvedays.rb
+#  
+#  Copyright 10/6/2018 Nico Poblete <boaromayo@retropie>
+#  
+#  This song prints "The Twelve Days of Christmas".
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#  
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#  
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+#  MA 02110-1301, USA.
+#  
+#  
+
+
+class TwelveDays
+	def initialize
+		@day_no = 1
+		@last_day = 12
+		@rank_no = ["st", "nd", "rd", "th"]
+		@gift = {}
+		make_gifts
+	end
+	def print_song
+		@day_no.upto(@last_day) do
+			puts "On the #{rank(@day_no)} day of Christmas, my true love gave to me: "
+			@day_no.downto(1) do |i|
+				if i > 1
+					puts @gift["#{rank(i)}"] + ",\n"
+				elsif @day_no > 1 && i == 1
+					puts "and " + @gift["#{rank(i)}"].to_s + ".\n"
+				elsif @day_no == 1 && i == 1
+					puts @gift["#{rank(i)}"].to_s + ".\n"
+				end
+			end
+			puts ""
+			@day_no += 1
+		end
+	end
+	def make_gifts
+		@gift = {"1st" => "a partridge in a pear tree",
+				"2nd" => "two turtle doves",
+				"3rd" => "three French hens",
+				"4th" => "four calling birds",
+				"5th" => "five GOL-DEN RINGS!!!", # I'm leaving this in caps because I can
+				"6th" => "six geese-a-laying",
+				"7th" => "seven swans-a-swimming",
+				"8th" => "eight maids-a-milking",
+				"9th" => "nine ladies dancing",
+				"10th" => "ten lords-a-leaping",
+				"11th" => "eleven pipers piping",
+				"12th" => "twelve drummers drumming"
+				}
+	end
+	def rank(day)
+		return day.to_s + @rank_no[-1] if day > 4
+		day.to_s + @rank_no[day-1]
+	end
+end
+
+tdays = TwelveDays.new
+tdays.print_song