Defined config and implementation to delete short URLs

module/Core/src/Options/AppOptionsFactory.php

@@ -26,6 +26,6 @@ class AppOptionsFactory implements FactoryInterface
     public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
     {
         $config = $container->has('config') ? $container->get('config') : [];
-        return new AppOptions(isset($config['app_options']) ? $config['app_options'] : []);
+        return new AppOptions($config['app_options'] ?? []);
     }
 }

module/Core/src/Options/DeleteShortUrlsOptions.php

@@ -0,0 +1,34 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Options;
+
+use Zend\Stdlib\AbstractOptions;
+
+class DeleteShortUrlsOptions extends AbstractOptions
+{
+    private $visitsThreshold = 15;
+    private $checkVisitsThreshold = true;
+
+    public function getVisitsThreshold(): int
+    {
+        return $this->visitsThreshold;
+    }
+
+    protected function setVisitsThreshold(int $visitsThreshold): self
+    {
+        $this->visitsThreshold = $visitsThreshold;
+        return $this;
+    }
+
+    public function doCheckVisitsThreshold(): bool
+    {
+        return $this->checkVisitsThreshold;
+    }
+
+    protected function setCheckVisitsThreshold(bool $checkVisitsThreshold): self
+    {
+        $this->checkVisitsThreshold = $checkVisitsThreshold;
+        return $this;
+    }
+}

module/Core/src/Options/DeleteShortUrlsOptionsFactory.php

@@ -0,0 +1,31 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Options;
+
+use Interop\Container\ContainerInterface;
+use Interop\Container\Exception\ContainerException;
+use Zend\ServiceManager\Exception\ServiceNotCreatedException;
+use Zend\ServiceManager\Exception\ServiceNotFoundException;
+use Zend\ServiceManager\Factory\FactoryInterface;
+
+class DeleteShortUrlsOptionsFactory implements FactoryInterface
+{
+    /**
+     * Create an object
+     *
+     * @param  ContainerInterface $container
+     * @param  string $requestedName
+     * @param  null|array $options
+     * @return object
+     * @throws ServiceNotFoundException if unable to resolve the service.
+     * @throws ServiceNotCreatedException if an exception is raised when
+     *     creating a service.
+     * @throws ContainerException if any other error occurs
+     */
+    public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
+    {
+        $config = $container->has('config') ? $container->get('config') : [];
+        return new DeleteShortUrlsOptions($config['delete_short_urls'] ?? []);
+    }
+}