Feat: Implement contract generation and up-/downloading

src/Service/Pdf/AbstractPdfRenderer.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Service\Pdf;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+abstract class AbstractPdfRenderer
+{
+    protected CacheItemPoolInterface|ArrayAdapter $cache;
+
+    protected int $B = 0;
+    protected int $I = 0;
+    protected int $U = 0;
+
+    protected array $config;
+
+    public function __construct(protected readonly TranslatorInterface $translator, array $options)
+    {
+        $optionsResolver = new OptionsResolver();
+        $optionsResolver
+            ->setRequired('project_dir')
+            ->setAllowedTypes('project_dir', 'string')
+        ;
+        $this->config = $optionsResolver->resolve($options);
+
+        // Static cache without serialization
+        $this->cache = new ArrayAdapter(0, false);
+    }
+}