improved invoices with new renderer (#306)

* added docx renderer and demo template
* added csv renderer and demo template
* added xlsx renderer and demo template
* added ods renderer and demo template
* added user calculator
* added invoice documentation

src/DependencyInjection/Compiler/InvoiceServiceCompilerPass.php

@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\DependencyInjection\Compiler;
+
+use App\Invoice\ServiceInvoice;
+use App\Kernel;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Dynamically adds all dependencies to the InvoiceService.
+ */
+class InvoiceServiceCompilerPass implements CompilerPassInterface
+{
+    /**
+     * @param ContainerBuilder $container
+     * @throws \Exception
+     */
+    public function process(ContainerBuilder $container)
+    {
+        // always first check if the primary service is defined
+        if (!$container->has(ServiceInvoice::class)) {
+            return;
+        }
+
+        $definition = $container->findDefinition(ServiceInvoice::class);
+
+        $taggedRenderer = $container->findTaggedServiceIds(Kernel::TAG_INVOICE_RENDERER);
+        foreach ($taggedRenderer as $id => $tags) {
+            $definition->addMethodCall('addRenderer', [new Reference($id)]);
+        }
+
+        $taggedGenerator = $container->findTaggedServiceIds(Kernel::TAG_INVOICE_NUMBER_GENERATOR);
+        foreach ($taggedGenerator as $id => $tags) {
+            $definition->addMethodCall('addNumberGenerator', [new Reference($id)]);
+        }
+
+        $taggedCalculator = $container->findTaggedServiceIds(Kernel::TAG_INVOICE_CALCULATOR);
+        foreach ($taggedCalculator as $id => $tags) {
+            $definition->addMethodCall('addCalculator', [new Reference($id)]);
+        }
+    }
+}