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Understanding products and other entities

From: Create Your First Online Store with Drupal Commerce

Video: Understanding products and other entities

One thing that a content management system like Drupal does is to compartmentalize your site's structure into logical patterns of information that are easy to work with. Drupal calls these entities. Now, describing entities can get a little bit confusing, and even metaphysical at times, but if you listen through it, you will find that you may understand your site's structure much better. In core Drupal, there are four kinds of entities: content, which Drupal calls nodes, users, categories, which Drupal calls taxonomies, and comments.

Understanding products and other entities

One thing that a content management system like Drupal does is to compartmentalize your site's structure into logical patterns of information that are easy to work with. Drupal calls these entities. Now, describing entities can get a little bit confusing, and even metaphysical at times, but if you listen through it, you will find that you may understand your site's structure much better. In core Drupal, there are four kinds of entities: content, which Drupal calls nodes, users, categories, which Drupal calls taxonomies, and comments.

Let's just take a look at a node. By default, nodes have only two fields, a title, and a body. But when they're displayed, a node actually pulls in parts of other entities. For example, the name that gets connected with that node comes from the user entity. There may be tags at the bottom of that node; that comes from the taxonomy. And finally, Drupal allows people to comment on nodes, and those come from a different sort of data store; the comments entities. If you've used Drupal 7 before, this is all old-hat.

You can add fields to any kind of entity, and then reference them from other entity types. For example, you could add a picture to a person's profile, and then that could show up in the node. But back to Drupal Commerce. It adds several more entities. Besides the four that are in core Drupal, it also adds products, customer profiles, line items, and payment transactions. And most of these work pretty much the same as they do in core Drupal.

If I switch back to our site, I will show you that. First, let's look at core Drupal. If we go up to Structure, and Content types, and then take a look at Product display, we can change the fields that go into Product display pretty easily, and you have seen this already in this course. Similarly, if we go up to Store, and Products, we have Product Types. And once again, we can add fields to those. As we go on, we can configure our store, and look at our Order settings, and actually add fields to orders. So when somebody goes through the whole order process, you could make them for example, add additional information.

Let's say their age, if it's some sort of age restricted item that you are selling. These types -- content types, product types, and so forth -- are like templates. So if you're selling shirts, you create a product type that includes an image, and a field for color, and a field for size, or you might do that all through taxonomy, but once again, you are just adding fields to entities. And, as I mentioned earlier, Drupal Commerce often references one entity's field from another entity. That's why you are able to see product information in your product display nodes. And your product display nodes can also reference the person who created them, and so forth.

I know this is pretty conceptual stuff, but it will all become clearer the more that you work with Drupal Commerce, and having this understanding will help you to avoid becoming confused as you go forward.

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This video is part of

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Create Your First Online Store with Drupal Commerce

35 video lessons · 10861 viewers

Tom Geller
Author

 
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  1. 16m 44s
    1. Welcome
      54s
    2. Previewing the finished project
      4m 10s
    3. Surveying the store-building process
      4m 29s
    4. Using the exercise files
      7m 11s
  2. 12m 12s
    1. Installing Drupal Commerce using Commerce Kickstart
      6m 5s
    2. Configuring your store's basic information
      6m 7s
  3. 31m 29s
    1. Accepting PayPal payments
      5m 9s
    2. Setting up individual products
      3m 17s
    3. Displaying products
      6m 30s
    4. Categorizing products
      5m 31s
    5. Adding simple taxes
      4m 39s
    6. Seeing your site from the customer's viewpoint
      3m 26s
    7. Processing orders
      2m 57s
  4. 17m 39s
    1. Understanding products and other entities
      3m 3s
    2. Understanding line items
      3m 16s
    3. Understanding rules
      5m 10s
    4. Integrating your store into a Drupal site
      6m 10s
  5. 29m 46s
    1. Adding product variations
      7m 2s
    2. Managing product variations
      3m 50s
    3. Importing simple products
      10m 11s
    4. Importing complicated products
      8m 43s
  6. 29m 52s
    1. Shipping products
      4m 50s
    2. Managing inventory
      4m 30s
    3. Managing orders
      5m 39s
    4. Managing customer profiles
      4m 55s
    5. Using Views to gain better oversight
      5m 0s
    6. Accepting other payment methods
      4m 58s
  7. 24m 52s
    1. Changing your store's look
      6m 24s
    2. Streamlining the checkout process
      5m 19s
    3. Launching your store
      13m 9s
  8. 29m 25s
    1. Offering product discounts
      8m 56s
    2. Gaining insight from Google Analytics
      5m 45s
    3. Making your site more visible to search engines (SEO)
      5m 52s
    4. Encouraging customer buzz
      8m 52s
  9. 56s
    1. Goodbye
      56s

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