Moving to github

app/models/api_token.rb

@@ -0,0 +1,27 @@
+class ApiToken < ApplicationRecord
+  belongs_to :user
+
+  # Validations
+  validates :token, presence: true, uniqueness: true
+
+  # Callbacks
+  before_validation :generate_token, on: :create
+
+  # Scopes
+  scope :active, -> { where("expires_at IS NULL OR expires_at > ?", Time.current) }
+
+  # Instance methods
+  def expired?
+    expires_at.present? && expires_at < Time.current
+  end
+
+  def touch_last_used!
+    update_column(:last_used_at, Time.current)
+  end
+
+  private
+
+  def generate_token
+    self.token ||= SecureRandom.urlsafe_base64(32)
+  end
+end