pokemon.trade/app/controllers/users/omniauth_callbacks_controller.rb

# frozen_string_literal: true

class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
  # You should configure your model like this:
  # devise :omniauthable, omniauth_providers: [:twitter]
  def google_oauth2
    @user = User.from_omniauth(request.env['omniauth.auth'])

    if @user.persisted?
      # this will throw if @user is not activated
      sign_in_and_redirect @user, event: :authentication
      if is_navigational_format?
        set_flash_message(:notice, :success, kind: 'Google')
      end
    else
      session['devise.google_oauth2_data'] = request.env['omniauth.auth']
      redirect_to new_user_registration_url
    end
  end

  def reddit
    @user = User.from_omniauth(request.env['omniauth.auth'])

    if @user.persisted?
      # this will throw if @user is not activated
      sign_in_and_redirect @user, event: :authentication
      if is_navigational_format?
        set_flash_message(:notice, :success, kind: 'Reddit')
      end
    else
      session['devise.reddit_data'] = request.env['omniauth.auth']
      redirect_to new_user_registration_url
    end
  end

  def discord
    @user = User.from_omniauth(request.env['omniauth.auth'])

    if @user.persisted?
      # this will throw if @user is not activated
      sign_in_and_redirect @user, event: :authentication
      if is_navigational_format?
        set_flash_message(:notice, :success, kind: 'Discord')
      end
    else
      session['devise.discord_data'] = request.env['omniauth.auth']
      redirect_to new_user_registration_url
    end
  end

  # You should also create an action method in this controller like this:
  # def twitter
  # end

  # More info at:
  # https://github.com/plataformatec/devise#omniauth

  # GET|POST /resource/auth/twitter
  # def passthru
  #   super
  # end

  # GET|POST /users/auth/twitter/callback
  # def failure
  #   super
  # end

  # protected

  # The path used when OmniAuth fails
  # def after_omniauth_failure_path_for(scope)
  #   super(scope)
  # end
end