Initial commit

app/models/graphics_element.rb

@@ -0,0 +1,11 @@
+class GraphicsElement < ApplicationRecord
+  belongs_to :video
+
+  validates :graphic_type, presence: true
+  validates :text, presence: true
+  validates :time_elapsed, presence: true
+
+  def appears_at
+    Timecode.from_seconds(time_elapsed.to_f).to_s
+  end
+end