Created method to updated already created short URLs

module/Core/src/Validation/InputFactoryTrait.php

@@ -0,0 +1,20 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Validation;
+
+use Zend\Filter\StringTrim;
+use Zend\Filter\StripTags;
+use Zend\InputFilter\Input;
+
+trait InputFactoryTrait
+{
+    public function createInput($name, $required = true): Input
+    {
+        $input = new Input($name);
+        $input->setRequired($required)
+              ->getFilterChain()->attach(new StripTags())
+                                ->attach(new StringTrim());
+        return $input;
+    }
+}

module/Core/src/Validation/ShortUrlMetaInputFilter.php

@@ -0,0 +1,45 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\Validation;
+
+use Zend\I18n\Validator\IsInt;
+use Zend\InputFilter\InputFilter;
+use Zend\Validator\Date;
+use Zend\Validator\GreaterThan;
+
+class ShortUrlMetaInputFilter extends InputFilter
+{
+    use InputFactoryTrait;
+
+    const VALID_SINCE = 'validSince';
+    const VALID_UNTIL = 'validUntil';
+    const CUSTOM_SLUG = 'customSlug';
+    const MAX_VISITS = 'maxVisits';
+
+    public function __construct(array $data = null)
+    {
+        $this->initialize();
+        if ($data !== null) {
+            $this->setData($data);
+        }
+    }
+
+    private function initialize()
+    {
+        $validSince = $this->createInput(self::VALID_SINCE, false);
+        $validSince->getValidatorChain()->attach(new Date(['format' => \DateTime::ATOM]));
+        $this->add($validSince);
+
+        $validUntil = $this->createInput(self::VALID_UNTIL, false);
+        $validUntil->getValidatorChain()->attach(new Date(['format' => \DateTime::ATOM]));
+        $this->add($validUntil);
+
+        $this->add($this->createInput(self::CUSTOM_SLUG, false));
+
+        $maxVisits = $this->createInput(self::MAX_VISITS, false);
+        $maxVisits->getValidatorChain()->attach(new IsInt())
+                                       ->attach(new GreaterThan(['min' => 1, 'inclusive' => true]));
+        $this->add($maxVisits);
+    }
+}