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README.md

ConfigBundle

This Bundle >= v2.0 doesn't use the Configuration class to build the modify form for parameters, but its own defined system of key-value. See branch 1.x for the use case with Configuration class.

ConfigBundle does the following:

  • Gets the config parameters definition from a yaml file for a Symfony app,
  • Build a form to allow end-user to modify these parameters (acces-rights are checked on your side),
  • Provides a Twig extension to get these parameters values in a Twig template,

ConfigBundle dedicated web page.

ConfigBundle API documentation.

Bundle installation

Step 1: Download the Bundle

Use Composer to install the library

    composer require c975l/config-bundle

Step 2: Enable the Bundles

Then, enable the bundle by adding it to the list of registered bundles in the app/AppKernel.php file of your project:

<?php
class AppKernel extends Kernel
{
    public function registerBundles()
    {
        $bundles = [
            // ...
            new c975L\ConfigBundle\c975LConfigBundle(),
        ];
    }
}

Step 3: Override templates

It is strongly recommended to use the Override Templates from Third-Party Bundles feature to integrate fully with your site.

For this, simply, create the following structure [app/Resources|templates/bundles]/c975LConfigBundle/views/ in your app and then duplicate the file layout.html.twig in it, to override the existing Bundle file.

In layout.html.twig, it will mainly consist to extend your layout and define specific variables, i.e. :

{% extends 'layout.html.twig' %}

{# Defines specific variables #}
{% set title = 'Configuration' %}

{% block content %}
    {% block config_content %}
    {% endblock %}
{% endblock %}

How to use

In your Bundle, you need to create a file /Resources/config/bundle.yaml (description of the needed fields) + Controller (Route to access config form) [+ Voter (Checking for access rights)] and that's it! Code examples are given below.

Before the first use, if parameters are requested you must use the console command php bin/console config:create to create the config files from default data of the bundle.

When updating the configuration, two files are created:

  • [app/Resources]config/config_bundles.yaml that contains the values for defined fields, You must add this file to your .gitignore to ensure not storing data, like API keys, to a public/private repository
  • cache/dev|prod|test/configBundles.php that contains an associative array of the fields 'yourRoot.yourParameter' => 'value'.
#Your Resources/config/bundle.yaml
#Example of definition for parameter c975LEmail.roleNeeded
yourRoot: #Name of your bundle without its 'Bundle' part, but including its vendor one, to keep its uniqueness, i.e. c975LEmail
    yourParameter: #The name or your parameter i.e. roleNeeded
        type: string #|bool|int|float|array|date
        required: true #|false
        default: "Your default value" #|null
        info: "Your description to help filling this parameter" #|null
#The following options are specific for date type to define its range of years
        #startYear: 2010|current|null(or not set)
        #endYear: 2010|current|null(or not set)
#In case you need to have common data shared, you can also add other roots with the scheme
#yourCommonRoot
    #yourCommonParameter
        #...

Then your Controller file:

<?php
//Your Controller file

namespace App\Bundle\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use c975L\ConfigBundle\Service\ConfigServiceInterface;

class YourController extends AbstractController
{
    /**
     * @Route("/your_name/config",
     *    name="your_name_config",
     *    methods={"HEAD", "GET", "POST"})
     */
    public function config(Request $request, ConfigServiceInterface $configService)
    {
        //Add the case to your Voter
        $this->denyAccessUnlessGranted('config', 'yourDataIfNeeded');

        $form = $configService->createForm('vendor/bundle-name');//As defined in your composer.json
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            //Validates config
            $configService->setConfig($form);

            //Redirects
            return $this->redirectToRoute('the_route_you_want_to_redirect_to');
        }

        //Renders the config form
        return $this->render('@c975LConfig/forms/config.html.twig', array(
            'form' => $form->createView(),
            'toolbar' => '@c975LEmail', //set false (or remove) if you don't use c975L/ToolbarBundle
        ));
    }

Then call the defined Route in a web browser and set-up (or your user) the configuration parameters.

Get parameter inside a class

To get a parameter inside a class, use the following code:

<?php
namespace Your\NameSpace;

use c975L\ConfigBundle\Service\ConfigServiceInterface;

class YourClass
{
    protected function yourMethod(ConfigServiceInterface $configService)
    {
        $parameter = $configService->getParameter('yourRoot.yourParameter');
        /**
         * You can also get parameter using the bundle name as defined in your composer.json.
         * This case is used when the files "config_bundles.yaml" and "configBundles.php" are not yet created.
         * For example, the first time you use the config Route and your Voter needs to check with a parameter defined using ConfigBundle.
         * Using this optional variable will make ConfigBundle creating the requested config files, based on default values in "bundle.yaml".
         */
        $parameter = $configService->getParameter('yourRoot.yourParameter', 'vendor/bundle-name');
    }
}

Check if parameter is defined inside a class

To check if a parameter has been defined, use $configService->hasParameter('yourRoot.yourParameter').

Get Container's paramaters

You can use $configService->getContainerParameter('parameter') to access container's parameters and avoid injecting Container when ConfigService is already injected.

Twig Extensions

If you need to access a parameter inside a Twig template, simply use {{ config('yourRoot.yourParameter') }}.

If you need to access a container's parameter inside a Twig template, simply use {{ configParam('parameter') }}.

If this project help you to reduce time to develop, you can buy me a coffee :)

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