transferred Code Ocean from original repository to GitHub

app/models/hint.rb

@@ -0,0 +1,17 @@
+class Hint < ActiveRecord::Base
+  belongs_to :execution_environment
+
+  validates :execution_environment_id, presence: true
+  validates :locale, presence: true
+  validates :message, presence: true
+  validates :name, presence: true
+  validates :regular_expression, presence: true
+
+  def self.nested_resource?
+    true
+  end
+
+  def to_s
+    name
+  end
+end