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Knockout.JS Essentials

You're reading from   Knockout.JS Essentials Implement a successful JavaScript-rich application with KnockoutJS, jQuery, and Bootstrap

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Product type Paperback
Published in Feb 2015
Publisher
ISBN-13 9781784397074
Length 232 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (10) Chapters Close

Preface 1. Refreshing the UI Automatically with KnockoutJS FREE CHAPTER 2. KnockoutJS Templates 3. Custom Bindings and Components 4. Managing KnockoutJS Events 5. Getting Data from the Server 6. The Module Pattern – RequireJS 7. Durandal – The KnockoutJS Framework 8. Developing Web Applications with Durandal – The Cart Project Index

Deleting a product


To delete a product, follow some simple steps as you did with the CREATE and UPDATE methods.

  1. The first step is to create the mocks in the mocks/products.js file, as follows:

    $.mockjax({
      url: /^\/products\/([\d]+)$/,
      type:'DELETE',
      dataType: 'json',
      responseTime: 750,
      status:200,
      responseText: {
        'data': {
          text: 'Product deleted'
        }
      }
    });
  2. This method is quite easy. Just add a button like the edit button and then the action to remove it.

    var deleteProduct = function (product){
      ProductResource.remove(product.id())
      .done(function(response){
        catalog.remove(product);
        filteredCatalog(catalog());
        removeFromCartByProduct(product);
      });
    };
  3. Create a function to remove the product from the cart. This function iterates over the cart items and locates the cart item which is related to the removed product. Once this item is located, you can remove it as a normal item using the removeFromCart function:

    var removeFromCartByProduct = function (product...
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