It’s easy to imagine that different kinds of stores might have certain things they want to have happen when various events take place throughout the purchasing process. For example, if someone adds more than 10 of an item to his cart, a store might want to provide a 10% discount. Or if someone was anonymous and then registers or logs in, a store might want to assign his old shopping cart to his newly found account. Traditionally, this kind of custom logic would have to be done in code by a programmer. However, the Rules module exposes a user interface for clicking together custom logic in a web-based interface. This increases accessibility to non-programmers, and also allows for bits of business logic to be shared among multiple sites with the Rules module’s import and export capabilities. In this lesson we'll review the main architectural blocks of the Rules module, covering events, conditions, actions, variables, and data selectors.
Additional resources
In this lesson we'll try a practical example of some Rules module concepts for the Sweet Tees store. Drupal Commerce’s Tax module stores its tax charging in Rules. Before we can open up our store to the public, we need to ensure that all applicable sales taxes are being applied to our items. Because Sweet Tees is based in California, we will need to charge 7.25% sales tax on all products sold if the customer lives in the state of California. This means we need to set up a conditional tax rate to only apply to California.
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Of course, it’s one thing to have a bunch of products ready for purchase, but what Sweet Tees really cares about is accepting money for those products. They want to be able to accept credit card transactions on their online store. There's more than what's on your Drupal site involved in this though. In this lesson, we'll discuss merchant accounts and payment gateways—what they are and why you need them, along with providing payment security.
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PayPal is a popular payment processor, especially for new site owners. It allows credit card transactions as well as payments from within PayPal itself. There are predominantly two “flavors” of PayPal’s payment processing tools: Website Payments Standard (WPS) and Website Payments Pro (WPP). For our purposes, we’ll be using Website Payments Standard, since there are no setup fees, no extra security setup required, and we can get started right away. In this lesson we'll create test PayPal buyer and seller accounts, set up access to the test sandbox, and make sure it is working properly.
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Now that we have the PayPal side of payments set up, it’s time to set up the Drupal side of things. We’ll do this with the Commerce PayPal module, which is an extension of the main Drupal Commerce package. Just as we saw with Taxes, Commerce payment methods are Rules-enabled for maximum flexibility. In this lesson we'll walk through enabling the PayPal WPS payment method and configuring our PayPal sandbox access so that we can start taking test transactions on our store.
Additional resources
Using Drupal, 2nd edition
Using Drupal source code
Commerce PayPal project
The remaining element of our site is actually implementing the e-commerce portions: an online shopping cart and the ability to process orders, as well as reporting tools to tell us how our store is doing. We will now complete our store configuration by adding a shopping cart, configuring the checkout process, and placing a test order to make sure the whole store is actually working.
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In this series, we have covered the basics of setting up an online storefront and shopping cart using the Drupal Commerce package for Drupal. However, there are several additional modules that you will likely want to consider before taking your online store live. We'll take a brief tour of:
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In this series, we were able to set up a complete online store for our customer, Sweet Tees, using Drupal Commerce, a powerful, flexible e-commerce framework built on Drupal. We set up a payment system through PayPal’s Website Payments Standard. We also delved into the topic of data imports with the Feeds module, and covered tweaking Drupal’s functionality at various system points with the Rules module. In this lesson we'll tour the Sweet Tees site, discussing our implementation points, and reviewing the modules and resources we used.
Additional resources
Using Drupal, 2nd edition
Using Drupal source code
Up next: Using Drupal Appendix A: Installing and Upgrading Drupal
In this tutorial, you will learn how to get a Drupalize.Me tutorial demo site up and running using Pantheon. You'll learn about the various components that make up the Drupalize.Me demo site downloads and how each part should be imported. By the end of this lesson, you'll know how to create a Drupalize.Me demo site on a free Pantheon Dev instance so that you can follow along with the trainer in the Drupalize.Me video tutorial.
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In this tutorial, you will learn how to use Acquia Dev Desktop 2 to get a Drupalize.Me tutorial demo site up and running. You will learn how to import a Drupal codebase and database containing a finished site for an individual tutorial on Drupalize.Me. This will enable you to walk through the lesson and see what was accomplished on the site during the lesson.
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Now let’s take a look at how we can configure fields to use semantic markup using the Fences module. In this tutorial, we’ll install and enable Fences module using Drush. Then we’ll take a look at the configuration settings for the module. Next we’ll hop into the field settings form for the body field and select an HTML5 tag as a new markup wrapper. Finally, we’ll take a look at how Fences field settings configuration carries over to Views and how we can override Fences markup in Views' field settings.
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This next set of tutorials relates to controlling markup in Drupal when using the Views module. We’ll cover:
- What affects markup in Views
- Selecting an appropriate Views display format as a starting point for markup output
- Customizing field markup
- Customizing wrapper selectors and CSS classes
- Accessing theming information in Views
- Overriding Views template files
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One thing that affects markup in Views is the format that is using for the display. In this tutorial we'll take a look, step-by-step, at the Unformatted list format in Views. We'll examine its default markup, how to add custom CSS classes—and to which elements—and what it looks like to remove all of Views' default markup.
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Continuing our look at how Views' formats affect your markup, in this tutorial we'll take a look, step-by-step, at the HTML list format in Views. We'll examine its default markup and how to add custom CSS classes to various elements.
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As we continue to look at how Views formats affect markup, we'll now examine the Table format in Views. We'll take a look at its default markup, how to add custom CSS classes to various elements and explore other settings unique to this format.
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We've examined the Views formats and row style formatting. Now I'll walk you through the default field wrapper markup in Views. We'll inspect the default markup for fields, remove the default field wrapper markup and I'll point out some of the implications of this action, and then I'll apply a different Views format, so that you can see how the field wrapper markup is impacted by that configuration change. This will give you a better understanding of how markup is affected at the field-level in the context of a view.
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Now that we’re familiar with the default field wrapper markup in Views, let’s explore how to customize this markup. In this tutorial, I will introduce to you a prototype of recent posts that was built using Pattern Lab. We’ll inspect the wrapper markup of two template files that compose this media list. After getting familiar with the prototype markup, we’ll apply that markup, step-by-step, to the fields in our view of recent posts. In doing so, we will use the custom field markup settings for each field and utilize rewrite results and replacement tokens to customize our markup output even further.
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In the next few tutorials, we'll pull back the veil of Views theming a bit and introduce some tools to help you wrangle Views' template files. In this tutorial, I'll introduce you to Views Theme Information and how to use this interface to find out which template files are being used to mark up your view.
Additional resources
In this tutorial, we'll download the Theme Developer module and use it to inspect our view when it is using view modes for display instead of fields. We'll also look at how Theme Developer interacts with Views and some of the "gotchas" that can occur when using these modules together.
Additional resources
Theme Developer — Drupal.org
Devel — Drupal.org
simplehtmldom API — Drupal.org
In this tutorial, I'll walk you through how to identify a template file to override, locate the template file in your site's code base, and copy it into your active theme.