Add 8ball command

lib/addons/utils.rb

@@ -8,8 +8,49 @@ module Chronicle
     # @param message [Message object] The relevant message object
     def handle_ping(client, message)
       room = client.ensure_room message.room_id
-      
+
       room.send_notice('Pong!')
     end
+
+    # 8-Ball: Give a random, vague response to a question
+    #
+    # @param client [Client object] The current Matrix client connection
+    # @param message [Message object] The relevant message object
+    def handle_8ball(client, message)
+      msgstr = message.content[:body]
+                      .gsub(/!8ball\s*/, '')
+                      .strip
+
+      room = client.ensure_room(message.room_id)
+
+      fates = [
+        'Resoundingly, yes.',
+        'Chances are good.',
+        'Signs point to yes.',
+        'Wheel.',
+        'It is worth the attempt.',
+        'Uncertainty clouds my sight.',
+        'Wheel and woe.',
+        'Neither wheel nor woe.',
+        'Concentrate, and ask again.',
+        'I cannot say for sure.',
+        'The fates do not know.',
+        "Why are you asking me? I'm just a bot.",
+        'Error: Fate API returned 404. Try again later.',
+        'Woe.',
+        'Chances are poor.',
+        'Signs point to no.',
+        'Very doubtful.',
+        'Absolutely no.'
+      ]
+
+      res = if msgstr[-1] == '?'
+              fates.sample
+            else
+              'You must ask a question. Try again'
+            end
+
+      room.send_notice(res)
+    end
   end
 end