Nowadays everyone has an API and it's fairly common to want a website you're working on to fetch data from a 3rd party API. That's because pulling 3rd party data into your website can not only enriches your website's content, but doing so can prevent the need to duplicate commonly needed data.
API provided data could include displaying weather informationgoing through drupal. There really is an API for almost anything. It's no surprise that you'll eventually want to consume some random API while developing a Drupal website. Seems pretty straightforward huh? I think so too, but before we go any further let's define some of the terms that appear throughout this post. The first thing we want to look at are the basics of getting data from an API. We need the following things:.
Broken down into their tiniest pieces, each of the above needs are fairly straightforward. There we go. Now we can use this technique to get as many random Cat Facts as we want up to per request. But before we continue, let's break down this script a bit and see what it's doing. Go ahead, I'll wait here…. Check this out: Most APIs you interact with will have its own documentation that you should use when planning your project.
If you find yourself struggling to figure out how to get data from an API, look for more documentation. Documentation is king when dealing with APIs. The better the documentation, the better the API in my opinion. Now that we have a decent understanding of the main points of requesting data from an API, let's take a look at how we might do that in a more practical and modern way.
The main differences in using Guzzle are mostly around the abstractions provided by Guzzle's Client library. Rather than trying to describe each difference out of context, let's look at an example:.
It may seem like a lot has changed from our first example, but I highly recommend becoming more comfortable with this approach. Ultimately, both this and the previous example are doing the exact same things. There are a few ways to accomplish this, but we'll start with the most basic.
Have a look at this custom Block:. Block Output:. At first this looks like a lot more code, but most of the new stuff is the code necessary to create a Drupal 8 block. Rather than focus on that, let's look at the important difference between this and the previous example.
Note: We could have instantiated our own Guzzle Client object, but the above approach has the following added benefits:. Now this is all very good, we're making API requests the "Drupal Way" and we can place it almost anywhere on our site with this handy block. But, I know what you're thinking. You're thinking, "Jonathan, Cat Facts shouldn't be contained to just a block. What if I want to use cat facts somewhere else on the site?For those who want more control over the experience provided by the developer portals integrated into Apigee EdgeDrupal 8 provides a powerful open-source, enterprise-level content management system CMS.
Using Apigee's modules for Drupal 8, you can build a fully customized developer portal with greater flexibility and control over the developer experience. Because the Drupal 8 project and these modules are open-source, you can extend and contribute to their development and leverage the knowledge of the Apigee and Drupal communities. The fastest way to get a developer portal site up and running with Apigee Edge is to use the Apigee Developer Portal Kickstart.
Apigee Developer Portal Kickstart is a Drupal distribution that enables you to quickly evaluate using Drupal 8 to create an Apigee developer portal. The Kickstart bundles together all of the open source Apigee Drupal modules and libraries that you need to create a portal, configure a connection to Apigee Edge, showcase your API products, and publish your API reference documentation.
Instructions for installing the Kickstart distribution can be found on Drupal. The Kickstart installer will prompt you for all the information needed to install Drupal 8 core, configure your connection to Apigee Edge, and get your site up and running with a customizable theme.
This is the recommended path for customers who prefer a self-managed option for hosting a developer portal on local servers. The developer portal created with this installation can connect to an org in Apigee Edge for Private Cloud or an org in the public cloud.
Using the open source Apigee Drupal 8 modules provides you with complete control over the developer experience in your portal. With this self-managed option, you are responsible for hosting and maintaining the portal sites leveraging these modules.
You can choose a provider to manage and host your developer portal, such as PantheonAcquiaor another provider. For more information on working with Pantheon to host your Drupal 8 developer portal, see Pantheon powers Apigee Drupal-based Developer Portals.
Exposing Your API in Drupal 8
For more information on working with Acquia to host your Drupal 8 developer portal, see Apigee and Acquia partner together to deliver development portals. The following table summarizes the Drupal 8 projects that are available for use with Apigee, and their corresponding Drupal release stage and GitHub Issue Queue for reporting issues. Contributions are appreciated, as outlined in the contribution guidelines for each project.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4. For details, see the Google Developers Site Policies. Apigee Edge Private Cloud Latest v4.
Earlier Versions v4.6605s software download
Latest v1. Apigee Edge. Manage API products. Manage developers and apps. Manage specs. Build your portal. Build your integrated portal. Get started. Build and publish your portal. Manage developer programs. Build your portal using the original version. Build your portal using Drupal 8.
Build your portal using Drupal 7. Configure your portal. Configure monetization. Apigee Docs. Get up and running quickly with Apigee Kickstart The fastest way to get a developer portal site up and running with Apigee Edge is to use the Apigee Developer Portal Kickstart. Get Started Instructions for installing the Kickstart distribution can be found on Drupal.
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If you're new to Drupal with version 8 don't sweat. The tutorials in this series assume you're starting from scratch. We start off with an overview of the terminology associated with the Entity system. We then look at a high level overview to see how the various components come together to form an API.Media encoder crashing
Our configuration management series already has tutorials on Configuration Entitiesbut in this series we introduce how to construct your own custom content entity. We will also take time to learn how entities can be created, read, updated and deleted programmatically from elsewhere in our code as well as how to use the Entity query service to identify entities matching particular conditions.
This series also includes tutorials on the Entity systems' other hooks, and more about how you can interact with existing entity implementations. When learning Drupal development, it won't be long before you encounter the word "entity" and the Entity API. But what are entities in Drupal? How can you use them to build your site?
This tutorial will explain Drupal's Entity system from a high level. We'll look at the main problems the Entity system solves, and define the key terms you'll encounter when working with Entities. In case you're already familiar with Drupal's entity system, we'll also take a brief look at the key changes introduced in Drupal 8.
Entities are the building blocks that make up just about everything on a Drupal site. Regardless of whether entities provide configuration information or content, they are absolutely crucial to Drupal's data model.
In this tutorial, we'll look at the overall class hierarchy between the various entity types to see how they're related. We'll briefly examine differences between configuration and content entities in the code that defines them. We'll also look at some of the core code required to create an entity type. In this tutorial we'll walk through the process of creating a custom content entity from scratch. We'll create each piece of code required by a new entity type.
Once our custom module and new entity type is in place, we'll also look at how we can use Drupal Console to make the process easier the next time. By the end of this lesson you'll be able to create your own custom content entity contained in a module.
In this tutorial we'll look into working with existing entities. Starting with the EntityTypeManager we will learn about the services provided by Drupal core for working with entities. We'll also discover how to perform basic CRUD Create, Read, Update, and Delete operations on different entity types and learn how to access property and field values.For a recent project, we were tasked to consume the client's internal data from a custom API.
Now, this scenario was lucky for us, the API provides a total item count of aboutbut when queried with a start date, it provides all revisions of items between then and now. The premise was that the data was to be downloaded at regular intervals, so that content editors didn't need to copy and past to keep product information up to date.
Updates to their external dataset would be done at a steady pace, like a handful of times a week, and would include a low number of changes, around 50 to items a change. Since Drupal is known to be cumbersome with content saving, the idea of pulling in and saving data from for nodes in one go during cron didn't seem feasible. So, I premised that we could do a full import via an administration page and cron can keep the data up to date utilizing the cron queue with help from Ultimate Cron.
So, first I stubbed out administrative pages consisting of an overview page, an import form, and a settings form. The overview will be used to display the current health of the API. The import form will trigger a batch job to import and save all of the API's Tea data. The settings form for configuring access to the API and such. From previous experience, I designed this process to consist of two separate operation, save API data locally to a database table and then extract the downloaded data to Drupal nodes.
It was explicitly defined that each item was uniquely identified by the field, gid or GID. Now, to connect to the Iguana API, I needed to know the credentials to access it, so that meant building out the configuration form.
Next, whether the overview page is displaying the API health or the batch operation is downloading, I needed a class to simplify doing all of the basic connection operations. So, this reduces the process for getting API data down to two methods callEndpoint and queryEndpoint. The latter simply calls the former and cleans up the data for processing, where the former returns the whole response object.
Also, note the method, getConfigthat simplifies getting settings whether they are stored in yaml configuration or state. Much of what was be done here was easily replicated for cron since both process the data in small batch sizes. Batch operations work best when there is total count to work towards, so taking an example from the overview page, I started with the form body capturing that total count. This also allows for an error check, if the API returns zero as a total, the submit button can be disabled.
Also, note the throttling options to provide site administrators the ability to adjust how many items will be processed in each batch iteration for the given operation.Tags: Drupal 8Drupal Cache. In computing, a cache is a hardware or software component that stores data, so future requests for that data can be served faster. The data stored in a cache might be the result of an earlier computation, or the duplicate of data stored elsewhere. A cache hit occurs when the requested data can be found in a cache, while a cache miss occurs when it cannot.
Cache hits are served by reading data from the cache, which is faster than recomputing a result or reading from a slower data store.
Exposing Your API in Drupal 8
Thus, the higher the number of requests that can be served from the cache, the faster the system performs. Caching can either be permanent or valid only for a certain timespan, and the cache can contain any type of data. As stated above, caching is not so much an information type in itself as a strategy—or a layer—that improves efficiency of access to existing information types. Any information which needs interpretation in between its raw state and how it's used can have its non-raw states cached: computed arrays of data, rendered HTML markup, or responses from calls to remote APIs.
During the processing of an HTTP request, the information from different sources can be stored in different bins. These cache bins can then each be stored in different, configurable backends. A backend is a storage mechanism: a SQL database, or Memcache, or even files on disk.
Cache backends can even be chained, so that a transient memory cache sits on top of a database cache: the first request from the database cache is slow, but subsequent requests retrieve data from memory. Alternatively, you can request a bin by getting service "cache. The default bin is called "default", with service name "cache. A module can also define its own cache bin by defining a service in its modulename.
This defines the complete lifecycle of cached data. Cacheability metadata consists of three properties:.
Drupal 8 Migration
The cached data in different bins becomes old and obsolete at some point of time and requires removal from these bins to accommodate the latest changes. Before Drupal 8, there was no way to identify individual pieces of expired data stored in different cache bins in order to only remove those. The role of the tags is to identify cache items across multiple bins for proper invalidation. Their purpose is to provide the ability to accurately target multiple cache items that contain data about the same object, page, etc.
In a typical scenario, a user may have modified a node that appears in two views, three blocks, and on twelve pages. Without cache tags, we couldn't know which cache items to invalidate. So we'd have to invalidate everything and sacrifice effectiveness to achieve correctness. With cache tags we can have both.Satanic prayers
Which state of the data should be cached, and how will other variants be cached and called depending on the situation? It could even be configured through the UI for blocks.Whether you're updating from Drupal 6 or Drupal 7, or importing data from some other source, you need to know about the migrate system in Drupal 8.
This guide provides a comprehensive look at the features of the Drupal 8 migrate API for both Drupal-to-Drupal updates, and migrating from any external datastore into Drupal. If you're new to the Migrate API, start from the beginning and get an overview of how the system works and how all the pieces fit together. This is essential background information for anyone wanting to migrate data into Drupal. Additionally, part of performing any migration is planning and preparation.
Migrations involve preparing and analyzing your source data, building a new website that data can be migrated into, and lots of testing, rolling back, and testing again, in order to get everything right. The Drupal core migration system is used for both importing data from custom sources, and for migrating content and configuration from previous versions of Drupal into Drupal 8 -- effectively updating your site from one major version to another.
Depending on which of these two tasks you're performing you'll use the tools in different ways. If you're migrating from a previous version of Drupal, start with our Preparing for a Drupal-to-Drupal Migration tutorial. From there you'll learn how to perform a basic update using either the built in UI or the contributed Drush commands, as well as some common best practices to help things go as smoothly as possible. If you're looking to customize your Drupal-to-Drupal migration a bit, continue through the tutorials on writing custom migrations, and then we'll go in-depth on how to use those skills to tailor the Drupal-to-Drupal update process to your specific use-case.
We'll walk through the process of connecting the migrate system to an external data source, writing custom migration paths, using custom process plugins to transform data during import, and best practices for executing your custom migrations. We'll primarily look at using an external MySQL database as our data source, but the techniques learned will apply to any data source. The Drupal 8 migration system is currently a work-in-progress; there are still some kinks, and best practices continue to evolve.
As with all of our Drupal 8 material, we're committed to keeping these tutorials up-to-date as work progresses. We'll keep an eye on the changes that are happening both in Core and with the main contributed modules and make adjustments as needed. This tutorial provides an overview and links to additional tutorials where you can learn more about how all the individual parts work.
By the end of this tutorial you should have a better understanding of what the migration system is capable of and know where to find more information about how to use it. Planning for a migration is essential. In my experience I have never once seen someone sit down and execute a migration flawlessly on their first attempt. By the end of this tutorial you should be ready to start planning for your own migration, and have a better understanding of what it is you're getting into. To follow along with the rest of the migration tutorials you'll want to make sure you understand the following concepts and terms as they relate to Drupal migrations.
In this tutorial, we'll take look at the basic components of a migration and familiarize ourselves with some of the concepts and terminology needed to understand how the system works. We'll cover:. Every migration is unique, which means there are loads of great examples you can review and learn from. We'll keep this tutorial up-to-date with our favorites and let you know how we think these examples might help. As of Drupal 8.
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