implements links to stickers. fix's #5, works on #6

discord doesn't let "discord" exist in webhooks anymore. end all.
I may have to add a special rule to have the bot post a message
instead of a webhook service if someone has "discord" in their
nick.

lib/formatter.ex

@@ -5,6 +5,8 @@ defmodule Discordirc.Formatter do
   alias Nostrum.Api, as: DiscordAPI
   alias Discordirc.DiscordInfo
 
+  @discordcdn "https://cdn.discordapp.com/"
+
   def from_irc(nick, msg, ctcp \\ false) do
     # strip or replace IRC formatting.
     fmsg =
@@ -67,9 +69,9 @@ defmodule Discordirc.Formatter do
     |> do_replace(matches)
   end
 
-  def from_discord(msg) do
+  def from_discord(
-    %{attachments: attachments, author: user, guild_id: guild} = msg
+        %{attachments: attachments, author: user, guild_id: guild, sticker_items: stickers} = msg
-
+      ) do
     usr =
       case DiscordAPI.get_guild_member(guild, user.id) do
         {:ok, %{nick: nick}} when is_binary(nick) -> nick
@@ -85,8 +87,12 @@ defmodule Discordirc.Formatter do
       attachments
       |> Enum.map(& &1.url)
 
+    spart =
+      stickers
+      |> Enum.map(fn s -> "#{@discordcdn}stickers/#{s.id}.png" end)
+
     messages =
-      (cpart ++ apart)
+      (cpart ++ apart ++ spart)
       |> Enum.filter(&(&1 != ""))
 
     # discord may give... many lines. split and format.

lib/splitter.ex

@@ -8,6 +8,7 @@ defmodule Discordirc.ByteSplit do
   @doc """
   split a string into a number `bytes`, optionally subtracting a number of `hold` bytes for prefix/suffix
   """
+
   def byte_split(str, bytes, hold \\ 0) do
     case byte_size(str) do
       n when is_integer(n) and n > bytes ->

lib/webhookservice.ex

@@ -31,8 +31,8 @@ defmodule Discordirc.WebhookService do
 
       case DiscordAPI.create_webhook(
              channel_id,
-             %{name: "discordirc hook", avatar: avatar},
+             %{name: "irc relay hook", avatar: avatar},
-             "discordirc proxy hook"
+             "irc relay hook"
            ) do
         {:ok, hook} ->
           case state.hooks do