Much base work started

app/models/concerns/streamable.rb

@@ -0,0 +1,19 @@
+module Streamable
+  extend ActiveSupport::Concern
+
+  def stream_url
+    storage_location.adapter.stream_url(self)
+  end
+
+  def streamable?
+    duration.present? && storage_location.enabled? && storage_location.adapter.readable?
+  end
+
+  def stream_type
+    case source_type
+    when "s3" then :presigned
+    when "local" then :direct
+    else :proxy
+    end
+  end
+end