Add 8ball command

README.md

@@ -12,13 +12,13 @@ productive fellow.
 
 - Ping (returns Pong!; good for testing connectivity)
 - Dice Roller (`!roll 2d4` -> `Roll: 2d4 ([2, 1]) ==> 3`)
+- 8-ball (`!8ball Will I win the lottery?` --> `Try again later`)
 - More to come!
 
 ## Planned Features
 
 - [ ] Ad-hoc simple custom commands (`!addcommand hello Hey there!` --> `!hello` -->
     `Hey there!`)
-- [ ] 8-ball (`!8ball Will I win the lottery?` --> `Try again later`)
 - [ ] Simple calculator (`!calc 8 + (9-10)` --> `Calc: 8 + (9 - 10) ==> 7`)
 - [ ] Simple games (Blackjack, High/Low)
 - [ ] A "mystery" game (Kind of like _Clue!_ or _Noir Syndrome_)
@@ -40,6 +40,7 @@ You can run your own instance of Chronicle with a few steps:
 5. Run `bundle exec chronicle -d <your-homeserver-address-here>
    CHRONICLE_ACCESS_TOKEN`
 6. Invite the bot user to a room, and `!ping` to make sure it's working!
+7. Update the `allowed_commands` variable to add additional commands (for now).
 
 # Contribute
 

lib/addons/utils.rb

@@ -11,5 +11,46 @@ module Chronicle
 
       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