app/controllers/password_resets_controller.rb
class PasswordResetsController < ApplicationController
before_action :get_user, only: [:edit, :update]
before_action :valid_user, only: [:edit, :update]
before_action :check_expiration, only: [:edit, :update] # Case (1)
def new
end
def create
@user = User.find_by(email: params[:password_reset][:email].downcase)
if @user
@user.create_reset_digest
@user.send_password_reset_email
flash[:info] = "Email sent with password reset instructions"
redirect_to root_url
else
flash.now[:danger] = "Email address not found"
render 'new'
end
end
def edit
end
def update
if params[:user][:password].empty? # Case (3)
@user.errors.add(:password, "can't be empty")
render 'edit'
elsif @user.update_attributes(user_params) # Case (4)
log_in @user
flash[:success] = "Password has been reset."
redirect_to @user
else
render 'edit' # Case (2)
end
end
private
def user_params
params.require(:user).permit(:password, :password_confirmation)
end
def get_user
@user = User.find_by(email: params[:email])
end
# Confirms a valid user.
def valid_user
unless (@user && @user.activated? &&
@user.authenticated?(:reset, params[:id]))
redirect_to root_url
end
end
# Checks expiration of reset token.
def check_expiration
if @user.password_reset_expired?
flash[:danger] = "Password reset has expired."
redirect_to new_password_reset_url
end
end
end