From 549a2cd77231b2317a7bbc1db5e7fda1bf2866fb Mon Sep 17 00:00:00 2001
From: Daniel Worrall <Daniel.Worrall@hotmail.co.uk>
Date: Sat, 18 May 2019 22:10:35 +0100
Subject: Support messaging and tags

---
 src/twitch/irc.cr | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/twitch/irc.cr b/src/twitch/irc.cr
index f5fccfc..0aa42ea 100644
--- a/src/twitch/irc.cr
+++ b/src/twitch/irc.cr
@@ -5,17 +5,19 @@ require "./rate_limiter"
 class Twitch::IRC
   private getter socket : IO
   private getter limiter : RateLimiter(String)
+  private getter tags : Array(String)
 
-  def self.new(nick, token)
+  def self.new(nick : String, token : String)
     new(TCPSocket.new("irc.chat.twitch.tv", 6667), nick, token)
   end
 
   def initialize(@socket : IO, @nick : String, @token : String)
     @limiter = RateLimiter(String).new
+    @tags = [] of String
     limiter.bucket(:join, 50_u32, 15.seconds)
   end
 
-  def run(channels)
+  def run(channels : Array(String))
     authenticate
     spawn join_channels(channels)
     @connected = true
@@ -24,18 +26,21 @@ class Twitch::IRC
     end
   end
 
+  def message(channel : String, message : String)
+    raw_write("PRIVMSG", [channel, message])
+  end
+
   def on_message(&@on_message : FastIRC::Message ->)
   end
 
-  def join_channel(channel)
+  def join_channel(channel : String)
     return unless @connected
     wait = limiter.rate_limited?(:join, "")
     sleep(wait) if wait.is_a?(Time::Span)
     raw_write("JOIN", ["##{channel}"])
   end
 
-  def dispatch(message)
-    puts message.inspect
+  def dispatch(message : FastIRC::Message)
     case message.command
     when "PING"
       pong
@@ -44,12 +49,23 @@ class Twitch::IRC
     end
   end
 
+  def tags=(tags : Array(String))
+    @tags = tags
+  end
+
   private def authenticate
+    request_tags
     raw_write("PASS", [@token])
     raw_write("NICK", [@nick])
   end
 
-  private def join_channels(channels)
+  private def request_tags
+    @tags.each do |tag|
+      raw_write("CAP REQ", [":twitch.tv/#{tag}"])
+    end
+  end
+
+  private def join_channels(channels : Array(String))
     channels.each do |channel|
       join_channel(channel)
     end
-- 
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