Refactor app in to its own slice

slices/main/queries/posts/recently_played.rb

@@ -0,0 +1,43 @@
+require "httparty"
+require "jwt"
+
+module Main
+  module Queries
+    module Posts
+      class RecentlyPlayed
+        include Deps["settings"]
+
+        def call
+          resp = HTTParty.get("https://api.music.apple.com/v1/me/recent/played", {
+            headers: {
+              "Authorization" => "Bearer #{jwt}",
+              "Music-User-Token" => settings.apple_music_user_token
+            }
+          })
+
+          resp.body
+        end
+
+        private
+
+        def jwt
+          authentication_payload = {
+            iss: settings.apple_music_team,
+            iat: Time.now.to_i,         # Issue date
+            exp: Time.now.to_i + 3600   # Expiry of this token.
+          }
+          # The file we got from Apple
+          apple_music_secret = File.read(File.join(Hanami.app.root, "config", "AuthKey_#{settings.apple_music_key}.p8"))
+          private_key = OpenSSL::PKey::EC.new(apple_music_secret)
+
+          JWT.encode(
+            authentication_payload,
+            private_key,
+            "ES256",
+            kid: settings.apple_music_key
+          )
+        end
+      end
+    end
+  end
+end