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Wordpress custom endpoints helper and class generator. Wordpress engine to add new custom endpoints to the WP API is not that hard to understand. However, manipulate dozens of new endpoints and the respective callbacks and permission callbacks can be troublesome depending on the complexity of the plugin or extension. Thus, this library helps you not only by creating an OOP approach to add new endpoints, but also for managing their namespaces, arguments and callbacks. Besides, we thought that'd be much simpler and organized if we concentrated callbacks and permissions for each of the new endpoints in a particular controller class - and, of course, automatically generate them depending on how you customize your new endpoint. Well, nothing else to add by now - let's check how it works within the following code samples.
The first step involves creating a new instance of the class WPH\Endpoints\Config in your code. Do not forget to make it instantiable using Composer's autoload. The Config class can either be instantiated within the Generator class, or before it, everytime you desire to change the default values for the config details.
By default, we considered all custom endpoints to be positioned within the namespace
I loved your defaults - don't need to change it
Brilliant again! In this case, just ignore the Config class set up, and go to the next part of this tutorial. You'll still need to use the Config class, but if you don't need to change anything, you should just inject a new instance of it within the Generator class. The next example will clarify.
All custom endpoints will find the respective callbacks and permission callbacks inside their own classes, located in the path you indicated. It's more than just thinking the WP endpoints in an OOP way - that means you DON'T NEED to write dozens of repetitive functions and callbacks, nor pollute your code with huge anonymous functions or similars.
Ok, but you guys forgot the endpoint arguments...
Uhhh... no, actually we did not. By the way, you can add args to the endpoints using two different methods. 1. If all endpoint methods shall be accepting the same arguments, add them as an array, while instantiating the Generator class (underway) 2. However, if you need to add arguments just for the GET method, for instance, you can apply the chain method addArgs().
Let's start with the method 2, which is already functional. All you need to do is using the chained method addArgs(), with two paramets: the http method (GET, for instance), and an array of the desired arguments. Like this:
How generated classes look like?
So now you are probably asking yourself how those generated controllers we mentioned look like. Of course they are basically skeletons in which you can create your own processes and conditions, but they are already functional from the first moment, returning a simple instance of WP_Rest_Response class. Let's consider an endpoint added under the name 'boxes', and dealing with GET, POST and HEAD calls. In this case, the generated controller class would appear like this:
All classes are already annotated and bring a callback for each HTTP method created for the respective endpoint, as well as a permissions() function, which return