Added placeholders to insert Barcodes into labels without using the predefined templates.

src/Services/LabelSystem/BarcodeGenerator.php

@@ -27,16 +27,50 @@ use App\Entity\LabelSystem\LabelOptions;
 use App\Services\LabelSystem\Barcodes\BarcodeContentGenerator;
 use Com\Tecnick\Barcode\Barcode;
 use InvalidArgumentException;
+use PhpParser\Node\Stmt\Label;
+use Symfony\Component\Mime\MimeTypes;
+use Twig\Extra\Html\HtmlExtension;
 
 final class BarcodeGenerator
 {
     private BarcodeContentGenerator $barcodeContentGenerator;
 
+
     public function __construct(BarcodeContentGenerator $barcodeContentGenerator)
     {
         $this->barcodeContentGenerator = $barcodeContentGenerator;
     }
 
+    public function generateHTMLBarcode(LabelOptions $options, object $target): ?string
+    {
+        $svg = $this->generateSVG($options, $target);
+        $base64 = $this->dataUri($svg, 'image/svg+xml');
+        return '<img src="'.$base64.'" width="100%" style="min-height: 25px;" alt="'. $this->getContent($options, $target) . '" />';
+    }
+
+     /**
+     * Creates a data URI (RFC 2397).
+     * Based on the Twig implementaion from HTMLExtension
+     *
+     * Length validation is not performed on purpose, validation should
+     * be done before calling this filter.
+     *
+     * @return string The generated data URI
+     */
+    private function dataUri(string $data, string $mime): string
+    {
+        $repr = 'data:';
+
+        $repr .= $mime;
+        if (0 === strpos($mime, 'text/')) {
+            $repr .= ','.rawurlencode($data);
+        } else {
+            $repr .= ';base64,'.base64_encode($data);
+        }
+
+        return $repr;
+    }
+
     public function generateSVG(LabelOptions $options, object $target): ?string
     {
         $barcode = new Barcode();

src/Services/LabelSystem/LabelTextReplacer.php

@@ -71,7 +71,7 @@ final class LabelTextReplacer
     public function replace(string $lines, object $target): string
     {
         $patterns = [
-            '/(\[\[[A-Z_]+\]\])/' => function ($match) use ($target) {
+            '/(\[\[[A-Z_0-9]+\]\])/' => function ($match) use ($target) {
                 return $this->handlePlaceholder($match[0], $target);
             },
         ];

src/Services/LabelSystem/PlaceholderProviders/BarcodeProvider.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Services\LabelSystem\PlaceholderProviders;
+
+use App\Entity\LabelSystem\LabelOptions;
+use App\Entity\LabelSystem\LabelProfile;
+use App\Services\LabelSystem\BarcodeGenerator;
+use App\Services\LabelSystem\Barcodes\BarcodeContentGenerator;
+
+final class BarcodeProvider implements PlaceholderProviderInterface
+{
+    private BarcodeGenerator $barcodeGenerator;
+    private BarcodeContentGenerator $barcodeContentGenerator;
+
+    public function __construct(BarcodeGenerator $barcodeGenerator, BarcodeContentGenerator $barcodeContentGenerator)
+    {
+        $this->barcodeGenerator = $barcodeGenerator;
+        $this->barcodeContentGenerator = $barcodeContentGenerator;
+    }
+
+    public function replace(string $placeholder, object $label_target, array $options = []): ?string
+    {
+        if ('[[1D_CONTENT]]' === $placeholder) {
+            try {
+                return $this->barcodeContentGenerator->get1DBarcodeContent($label_target);
+            } catch (\InvalidArgumentException $e) {
+                return 'ERROR!';
+            }
+        }
+
+        if ('[[2D_CONTENT]]' === $placeholder) {
+            try {
+                return $this->barcodeContentGenerator->getURLContent($label_target);
+            } catch (\InvalidArgumentException $e) {
+                return 'ERROR!';
+            }
+        }
+
+        if ('[[BARCODE_QR]]' === $placeholder) {
+            $label_options = new LabelOptions();
+            $label_options->setBarcodeType('qr');
+            return $this->barcodeGenerator->generateHTMLBarcode($label_options, $label_target);
+        }
+
+        if ('[[BARCODE_C39]]' === $placeholder) {
+            $label_options = new LabelOptions();
+            $label_options->setBarcodeType('code39');
+            return $this->barcodeGenerator->generateHTMLBarcode($label_options, $label_target);
+        }
+
+        if ('[[BARCODE_C128]]' === $placeholder) {
+            $label_options = new LabelOptions();
+            $label_options->setBarcodeType('code128');
+            return $this->barcodeGenerator->generateHTMLBarcode($label_options, $label_target);
+        }
+
+        return null;
+    }
+}

src/Services/LabelSystem/PlaceholderProviders/GlobalProviders.php

@@ -27,6 +27,8 @@ use App\Entity\UserSystem\User;
 use DateTime;
 use IntlDateFormatter;
 use Locale;
+use Symfony\Component\Routing\Generator\UrlGenerator;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Security;
 
 /**
@@ -36,11 +38,13 @@ final class GlobalProviders implements PlaceholderProviderInterface
 {
     private string $partdb_title;
     private Security $security;
+    private UrlGeneratorInterface $url_generator;
 
-    public function __construct(string $partdb_title, Security $security)
+    public function __construct(string $partdb_title, Security $security, UrlGeneratorInterface $url_generator)
     {
         $this->partdb_title = $partdb_title;
         $this->security = $security;
+        $this->url_generator = $url_generator;
     }
 
     public function replace(string $placeholder, object $label_target, array $options = []): ?string
@@ -101,6 +105,10 @@ final class GlobalProviders implements PlaceholderProviderInterface
             return $formatter->format($now);
         }
 
+        if ('[[INSTANCE_URL]]' === $placeholder) {
+            return $this->url_generator->generate('homepage', [], UrlGenerator::ABSOLUTE_URL);
+        }
+
         return null;
     }
 }