Much base work started

app/models/storage_location.rb

@@ -0,0 +1,27 @@
+class StorageLocation < ApplicationRecord
+  has_many :videos, dependent: :destroy
+
+  validates :name, presence: true
+  validates :path, presence: true, uniqueness: true
+  validates :storage_type, presence: true, inclusion: { in: %w[local] }
+
+  validate :path_must_exist_and_be_readable
+
+  def accessible?
+    File.exist?(path) && File.readable?(path)
+  end
+
+  def video_count
+    videos.count
+  end
+
+  def display_name
+    name
+  end
+
+  private
+
+  def path_must_exist_and_be_readable
+    errors.add(:path, "must exist and be readable") unless accessible?
+  end
+end