gitnub/app/models/user.rb

# frozen_string_literal: true

# == Schema Information
#
# Table name: users
#
#  id                     :bigint           not null, primary key
#  confirmation_sent_at   :datetime
#  confirmation_token     :string
#  confirmed_at           :datetime
#  current_sign_in_at     :datetime
#  current_sign_in_ip     :string
#  email                  :string           default(""), not null
#  encrypted_password     :string           default(""), not null
#  last_sign_in_at        :datetime
#  last_sign_in_ip        :string
#  remember_created_at    :datetime
#  reset_password_sent_at :datetime
#  reset_password_token   :string
#  sign_in_count          :integer          default(0), not null
#  unconfirmed_email      :string
#  username               :string           default(""), not null
#  created_at             :datetime         not null
#  updated_at             :datetime         not null
#
# Indexes
#
#  index_users_on_confirmation_token    (confirmation_token) UNIQUE
#  index_users_on_email                 (email) UNIQUE
#  index_users_on_reset_password_token  (reset_password_token) UNIQUE
#  index_users_on_username              (username) UNIQUE
#
class User < ApplicationRecord
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :validatable,
         :confirmable, :trackable

  attr_writer :login

  def login
    @login || username || email
  end

  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.key?(:username) || conditions.key?(:email)
      where(conditions.to_h).first
    end
  end
end