nhironaka/maitri-app

class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable,
         :authentication_keys => [:login]
  attr_accessor :login
  validates :username, :presence => true, :uniqueness => { :case_sensitive => false }
  validates_format_of :username, with: /^[a-zA-Z0-9_\.]*$/, :multiline => true

  def self.find_for_database_authentication(warden_conditions)
    conditions = warden_conditions.dup
    if login = conditions.delete(:login)
      where(conditions.to_h).where(["lower(username) = :value OR lower(email) = :value", { :value => login.downcase }]).first
    elsif conditions.has_key?(:username) || conditions.has_key?(:email)
      conditions[:email].downcase! if conditions[:email]
      where(conditions.to_h).first
    end
  end
    
end