class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable

  attr_accessor :signin
  validates :username, :uniqueness => {:case_sensitive => false}

  def self.find_first_by_auth_conditions(warden_conditions)
    puts warden_conditions
    conditions = warden_conditions.dup
    where(conditions).where(["lower(username) = :value OR
            lower(email)= :value", { :value => signin.downcase }]).first
  end

end

def self.find_first_by_auth_conditions(warden_conditions)
    conditions = warden_conditions.dup
    if login = conditions.delete(:login)
      if login.start_with?('+')
        where(["phone = :value AND phone_confirm = :phone_confirm", { value: login.downcase, phone_confirm: true }]).first
      else
        where(["lower(email) = :value", { value: login.downcase }]).first
      end
    else
      where(conditions).first
    end
  end

scope :warden_stuff -> { |conditions| where(conditions) } # which can be omitted
scope :user_stuff -> do |user|
  where(["lower(username) = :value OR lower(email)= :value",
         { :value => user.downcase }])
end

def self.find_first_by_auth_conditions(warden_conditions, user)
  warden_stuff(warden_conditions).user_stuff(user).first
  # or where(warden_conditions).user_stuff(user).first
end