first commit

ArdentParameterBundle.php

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+<?php
+
+namespace App\Ardent\ParameterBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class ArdentParameterBundle extends Bundle
+{
+}

Controller/BaseController.php

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+<?php
+
+namespace App\Ardent\ParameterBundle\Controller;
+
+use App\Ardent\ParameterBundle\Service\ParameterService;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+abstract class BaseController extends AbstractController
+{
+    /**
+     * @param ParameterService $param
+     * @param Request          $request
+     * @param []               $configuration
+     */
+    public function baseIndex(ParameterService $param, Request $request, $configuration)
+    {
+        // gather the values
+        $data = [];
+        foreach ($configuration as $config) {
+            $name = $config['name'];
+            $data[$name] = $param->get($name, false);
+        }
+
+        // build the form
+        $formBuilder = $this->createFormBuilder($data);
+        foreach ($configuration as $config) {
+            $this->configParser($config, $formBuilder);
+        }
+        $form = $formBuilder->add('Update', SubmitType::class)->getForm();
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $result = $form->getData();
+
+            foreach ($configuration as $config) {
+                $name = $config['name'];
+                if ($result[$name]) {
+                    $param->set($name, $result[$name]);
+                }
+            }
+            $this->addFlash('success', 'Updating parameters successful');
+
+            return $this->redirect($request->getRequestUri());
+        }
+
+        return $this->render('@ArdentParameter/form.html.twig', [
+                'parameter_form' => $form->createView(),
+            ]);
+    }
+
+    /**
+     * @param $config
+     * @param FormBuilderInterface $formBuilder
+     */
+    private function configParser($config, &$formBuilder)
+    {
+        $type = $config['type'];
+        $options = [];
+        switch ($type) {
+            case ChoiceType::class:
+                $options['choices'] = $config['choices'];
+                break;
+            default:
+                break;
+        }
+        $formBuilder->add($config['name'], $type, $options);
+    }
+}

DependencyInjection/ArdentParameterExtension.php

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+<?php
+
+namespace App\Ardent\ParameterBundle\DependencyInjection;
+
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+
+class ArdentParameterExtension extends Extension
+{
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $loader = new YamlFileLoader(
+            $container,
+            new FileLocator(__DIR__.'/../Resources/config')
+        );
+        $loader->load('services.yaml');
+    }
+}

Entity/Parameter.php

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+<?php
+
+namespace App\Ardent\ParameterBundle\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="parameter_bundle_parameters")
+ */
+class Parameter
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     * @ORM\Column(type="integer")
+     */
+    private $id;
+
+    /**
+     * @ORM\Column(type="string")
+     */
+    private $name;
+
+    /**
+     * @ORM\Column(type="string")
+     */
+    private $value;
+
+    /**
+     * @return mixed
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param mixed $name
+     * @return Parameter
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * @param mixed $value
+     * @return Parameter
+     */
+    public function setValue($value)
+    {
+        $this->value = $value;
+        return $this;
+    }
+
+
+}

Resources/config/services.yaml

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+services:
+  App\Ardent\ParameterBundle\Service\ParameterService:
+    alias: 'ardent.parameter'

Resources/views/form.html.twig

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+{% extends '@ArdentParameter/layout.html.twig' %}
+
+{% block par_user_content %}
+    {{ form(parameter_form) }}
+    <a class="btn btn-light" href="{{ path('all_parameters') }}">Back</a>
+{% endblock %}

Resources/views/layout.html.twig

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+{% block par_user_content %}
+{% endblock %}

Service/ParameterService.php

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+<?php
+
+namespace App\Ardent\ParameterBundle\Service;
+
+use App\Ardent\ParameterBundle\Entity\Parameter;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+
+class ParameterService
+{
+    /** @var EntityManagerInterface */
+    private $em;
+
+    /** @var ParameterBagInterface */
+    private $parameter;
+
+    /**
+     * ParameterService constructor.
+     *
+     * @param EntityManagerInterface $em
+     */
+    public function __construct(EntityManagerInterface $em, ParameterBagInterface $parameter)
+    {
+        $this->em = $em;
+        $this->parameter = $parameter;
+    }
+
+    /**
+     * @param string $name
+     * @param bool   $parse
+     *
+     * @return string
+     */
+    public function get($name, $parse = true)
+    {
+        $paramRepo = $this->em->getRepository(Parameter::class);
+        $parameter = $paramRepo->findOneBy(['name' => $name]);
+        if ($parameter) {
+            if ($parse) {
+                // find and replace all %parameter% with their value
+                $value = preg_replace_callback('/%([^%\s]+)%/', function ($match) {
+                    $key = $match[1];
+                    // first try locally
+                    if ($value = $this->get($key)) {
+                        return $value;
+                    }
+                    // then try with parameter bag
+                    return $this->parameter->get($key);
+                },
+                    $parameter->getValue()
+                );
+            } else {
+                $value = $parameter->getValue();
+            }
+
+            return $value;
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * @param $name
+     * @param $value
+     */
+    public function set($name, $value)
+    {
+        $paramRepo = $this->em->getRepository(Parameter::class);
+        /* @var Parameter $parameter */
+        $parameter = $paramRepo->findOneBy(['name' => $name]);
+        if (!$parameter) {
+            $parameter = (new Parameter())->setName($name);
+        }
+        $parameter->setValue($value);
+        $this->em->persist($parameter);
+        $this->em->flush();
+    }
+}