Merge pull request #734 from Exairnous/use-discord-display-names

Check for the global name if the per-server nickname isn't present

Author: Exairnous

lib/ret/discord_client.ex

@@ -76,12 +76,20 @@ defmodule Ret.DiscordClient do
         {status, result} when status in [:commit, :ok] -> "#{result["nick"]}"
       end
 
-    if nickname == "" do
+    nickname = if !nickname or nickname == "" do
+       case Cachex.fetch(:discord_api, "/users/#{provider_account_id}") do
+        {status, result} when status in [:commit, :ok] -> "#{result["global_name"]}"
+      end
+      else
+        nickname
+    end
+
+    nickname = if !nickname or nickname == "" do
       case Cachex.fetch(:discord_api, "/users/#{provider_account_id}") do
         {status, result} when status in [:commit, :ok] -> "#{result["username"]}"
       end
-    else
-      nickname
+      else
+        nickname
     end
   end