adopt-a-hydrant/app/controllers/passwords_controller.rb

class PasswordsController < Devise::PasswordsController
  def create
    self.resource = resource_class.send_reset_password_instructions(resource_params)
    if resource.errors.empty?
      render(json: {success: true})
    else
      render(json: {errors: resource.errors}, status: 500)
    end
  end

  def edit
    self.resource = resource_class.new
    resource.reset_password_token = params[:reset_password_token]
    render("edit", layout: "info_window")
  end

  def update
    self.resource = resource_class.reset_password_by_token(resource_params)
    redirect_to(controller: "main", action: "index")
  end

private

  def resource_params
    params.require(:user).permit(:email, :password, :password_confirmation, :reset_password_token)
  end
end