cart summary and refactoring

2021-03-22 02:49:05 +01:00 · 2021-03-22 02:49:05 +01:00 · c63c6bc448
commit c63c6bc448
parent df7585c5e1
4 changed files with 20 additions and 8 deletions
--- a/app/controllers/books_controller.rb
+++ b/app/controllers/books_controller.rb
@ -25,6 +25,8 @@ class BooksController < ApplicationController

  def add_to_cart
    @book = Book.find(params[:id])
+    return unless @book.quantity.positive?
+
    current_user.books << @book
    @book.decrement!(:quantity)
    redirect_to '/books', notice: 'Book added to your cart'