Merge pull request #120 from Zarathustra2/master

MOD: Upgrade hackney & fix crash on startup

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ on: [pull_request, push]
 jobs:
   mix_test:
     name: mix test (Elixir ${{ matrix.elixir }} OTP ${{ matrix.otp }})
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
@@ -14,7 +14,7 @@ jobs:
             otp: 23.0.3
     steps:
       - uses: actions/[email protected]
-      - uses: actions/setup-elixir@v1.5.0
+      - uses: erlef/setup-elixir@v1
         with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}

lib/Discord/Gateway/manager.ex

@@ -37,7 +37,14 @@ defmodule Alchemy.Discord.Gateway.Manager do
       Api.get!(url, token).body
       |> (fn x -> Poison.Parser.parse!(x, %{}) end).()
 
-    {json["url"] <> "?v=6&encoding=json", json["shards"]}
+    case json do
+      %{"retry_after" => ms} ->
+        :timer.sleep(ms)
+        get_url(token, [])
+
+      _ ->
+        {json["url"] <> "?v=6&encoding=json", json["shards"]}
+    end
   end
 
   defp now, do: DateTime.utc_now() |> DateTime.to_unix()

mix.exs

@@ -22,7 +22,7 @@ defmodule Alchemy.Mixfile do
 
   defp deps do
     [
-      {:httpoison, "~> 1.5"},
+      {:httpoison, "~> 1.8"},
       {:earmark, "~> 1.3", only: :dev},
       {:websocket_client, "~> 1.3"},
       {:ex_doc, "~> 0.20", only: :dev},