spotify web setup is done

app/services/create_spotify_activity.rb

@@ -0,0 +1,28 @@
+class CreateSpotifyActivity
+  attr_accessor :response, :user
+
+  def initialize(user, spotify_response)
+    @response = spotify_response
+    @user = user
+  end
+
+  # rubocop:disable Metrics/AbcSize
+  def perform
+    response['items'].reverse.each do |play|
+      activity = new_activity
+      activity.item_ref = play['track']['id']
+      artist_names = play['track']['artists'].map { |a| a['name'] }
+      artists = artist_names.join(', ')
+      title = "#{artists} - #{play['track']['name']}"
+      activity.item_title = title
+      activity.item_length = play['track']['duration'].to_s
+      activity.started_at = DateTime.parse(play['played_at'])
+      activity.save
+    end
+  end
+  # rubocop:enable Metrics/AbcSize
+
+  def new_activity
+    Activity.new(user: user, platform: 'spotify')
+  end
+end