Create custom config entity drupal 8

This guide documents the process of creating a custom entity type in Drupal 8 using the example of an Event entity type. The starting point is a stock Drupal 8. Having Drush 9 available is required to follow along. When Drush commands are to be run, run them from within the Drupal installation.

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Content:

• Creating and Using Entity Storage Methods
• Creative Constructs with Custom Config Entities
• class ConfigEntityStorage
• CKEDITOR.config
• Drupal 8 Configuration Management for Multi-site
• Creating Custom Config Entities in Drupal 8
• Drupal - How to add a view mode for entity type?
• Programmatically Adding and Populating New Fields in Drupal 8
• Custom Entities

Creating and Using Entity Storage Methods

Drupal CMS used to be all about publishing content. But a supposed multi-purpose tool does not manage only pages and articles. Among other functionalities, it lets the developer define classes with arbitrary fields and arbitrary custom logic. This precious superpower is easily achieved in Drupal with a code generator that allows us to set up boilerplate code for custom classes, what in Drupal world is named entity types , letting us work with Drupal as a framework.

The base command for automatic code creation in Drupal is drush generate drush gen. My intent in this post is to explain some small changes which can be done to the code generated by drush gen module-content-entity not to complicate its results but to simplify them and start with simpler classes to begin our work. Some years ago, on the first steps of this path of working with Drupal as a Framework the developer used to create Drupal content types node types , add fields to them somebody remembers CCK?

Things like …. All this hiding and removing was the price you had to pay to have a more or less fully-featured CMS for free just with core and a couple of contrib modules, and then you could build very specific functionality besides or on top of it. In Drupal 9, custom entity types let us avoid these issues and work with the exact objects and functionalities we need.

Its values are retrieved via JOIN queries. With custom entity types, if fields are added in code, they are stored in the same entity base table when possible, and this makes our system more prepared for scaling from the beginning.

A test Drupal 9 site, with a new Project custom entity type can be created just with following commands:. A new module will be created with some default configurations and functionalities depending on our answers to the last command.

In this case, I created a Project content entity type in a Project module. At the end of the article, you can get all the code for this module. All the functionalities created by drush gen content-entity command can be extended or removed once the module is enabled except entity fields, which is a bit more tricky to modify afterwards.

Usually when the entity type is internal to the system or only available to administrators. In these cases, a practical implementation would be to set the entity edit form as the canonical path. The first option is to alter the autogenerated routes for our entity implementing a Route Subscriber but in this case, I will do it in a more general and reusable way.

The boilerplate code generated by drush has set the core class AdminHtmlRouteProvide as responsible for generating our class routes and callbacks so we will declare a new EditFormAsCanonicalHtmlRouteProvider in our custom module:. We just need to remove one of them. In the GitHub project referenced at the end of the article, I have chosen to remove the entity. If this page is really used, in the long term we will require it to have filters, sorting and other whizzes.

We will replace it with an administration view directly from the beginning. Once created, our view will automatically replace the original page as intended. With this approach, all methods originally in the generated entity class should be moved to this new base class and the following code added to it:. And then our entity class only requires to implement this addCustomFields method and any specific methods we want to add to it.

We also need to keep into it the intact annotation. In the previous section, you can see that adding a single field to an entity is quite a daunting task. On the other side, in the creation of a field, some of those method calls are usually repeated.

I have mostly used it on Drupal 8 so maybe a method here and there needs to be adapted to Drupal 9. You can view the full code example in the project repository on GitHub. Motivation Drupal CMS used to be all about publishing content.

Specifically: Set edit form as the canonical path. Replace the default collection page with a view.

Refactor the generated code in a base class extending from ContentEntityBase. Simplify the process of adding fields to our class with a custom helper class. But why? Advantages of custom entity types against nodes and when to use them Some years ago, on the first steps of this path of working with Drupal as a Framework the developer used to create Drupal content types node types , add fields to them somebody remembers CCK?

Things like … Hide from search results. Hide the canonical entity view page. Hide some unwanted default fields. Mostly title, status, published and body. How custom entity types was done in Drupal 7 - 8 Drupal 7 entity type API was a bit overwhelming, so a lot of people let the ECK module do the hard work.

Working with this module was not as comfortable as with frameworks but was getting near to it. This blog post at OpenSense Labs is a great explanation of how the Drupal console is or was used. The code we will get with the entity type generator is very similar to what is written in those articles, but the generator will do the hard work for us.

Comment on this post Name. Email Address. Last minute info.

Creative Constructs with Custom Config Entities

Here I'm going to detail a little bit about altering configuration entities, the config entities is a great addition in D8 and does a tons of helpful stuff for developers and site builders. In this example I'm going to alter and add additional configurations in to the Migrate configuration entity. I hope you know what are configuration entities and what are content entities. Config entities can be exported using Drupal CEX wizard but content entities can't export.

class ConfigEntityStorage

We were developing a module that downloads content from 3rd party API and saves it as content in Drupal. Despite the fact that creation of custom content type is documented in official Drupal documentation, it lacks many explanations of what that lines really do and is built on one specific example without providing another options. We decided to write down findings from our trial-and-error practises and also pieces of information collected from a bunch of tutorials, websites, etc. We will try to explain some entries in yml files. To start creating custom content type for Drupal you have to create a module. Only proper configuration guarantees that content type will be properly uninstalled with module. This file describes the content type.

CKEDITOR.config

In this article we are going to look at how to use the ThirdPartySettingsInterface to add some extra data to existing configuration entities. For example, if you ever need to store some config together with a node type or a taxonomy vocabulary, there is a great way to do so using this interface. Today we are going to see an example of this and add an extra field to the menu definition and store the value in this way. There are a number of steps involved in this process. First, we need to alter the form with which the entity configuration data is added and saved.

Drupal 8 Configuration Management for Multi-site

Either approach returns an instance of EntityStorageInterface. Each entity type can define a class that extends EntityStorageBase and adds additional custom methods that are applicable to a given entity type. The benefits of adding custom storage methods becomes more apparent when you begin to work with custom entities. For example, if you have a recipe entity type, you could have a loadAllChocolateRecipes method that abstracts the query and conditions needed to load a subset of Recipe entities. A custom storage handler class is integrated with an entity via the annotated comments in the entity class. Then in the storage handler class, custom methods can be added and existing methods can be overridden as needed.

Creating Custom Config Entities in Drupal 8

On a recent project I wanted to be able to create a custom field which would automatically be added to certain types of entities. I thought that this would be a straightforward thing to do. When I searched the internet for how to create custom fields I found plenty of documentation on Drupal. So first off, how do you create a custom field? Combined, these define your field, how it will be rendered when displayed, and what settings a user can set on it when adding it to an entity.

Drupal - How to add a view mode for entity type?

With the exposed filters in a block you can easily place it in your site's header. Drupal Better Exposed Filters. The module only works with vocabulary terms so you'll need to have Taxonomy enabled to use this module. NOTE : This module has a bug, redmine to re check " Require input before results are shown " and all options, because when you re edit this option reset automatically.

Programmatically Adding and Populating New Fields in Drupal 8

Drupal 8 comes with a new paradigm for the entity fields on content entities there is also whole new thing of config entities, but this is not within the scope of this post. As with Drupal 7 there were properties and fields for an entity, now everything is a field base fields, and field api fields via field UI. Similar to entity properties in D7, there are now base fields used in D8. These base fields are not managed through the Field UI but get defined in the entity class via method baseFieldDefinitions. On installation of the module containing the entity, Drupal automatically performs the DB tasks to create database tables and fields for the entity type and the base fields. So this blog post is about how to change these base fields later on after installing the module and when having already created entities having data in the tables and of course don't want to lose this data when performing change to the entity base fields otherwise you could just uninstall and reinstall the module, losing all data and also field UI configuration.

Custom Entities

The rise in Drupal 8 installations has brought with it an increased need for environment-based Drupal configurations. In , there were , Drupal 8 sites up from , Drupal 8 sites in , representing a 51 percent increase year over year, according to Dries Buytaert. Having attended DrupalCon in Nashville this year, I was inspired to write a post about my experiences with this and share how a Drupal developer can devise a comprehensive approach to managing Drupal 8 configuration across multiple environments. Configuration Management is a new Drupal core system that allows database configuration to be exported to YML files. This makes the process of moving configuration settings from one environment to another much easier than in previous versions of Drupal. In Drupal 7, configuration and content are both stored in the database. This left the task of moving configuration to other environments to contributed modules like Features.

Drupal Career Online Calendar. This article isn't going to dive into a lesson explaining what entities, bundles, and fields are as there is plenty of great documentation about that. Back in the Drupal 7 and earlier days, it was common to look at an organization's data and map it almost exclusively to only content types maybe a few vocabularies as well. With Drupal 8's and 9's Entity API now fully mature, it's time to check yourself and make sure you take into account all of the amazing entity types that are available in both Drupal core and well-used and -maintained contributed modules.