added handling of LCSC barcode decoding and part loading on Label Scanner

src/Form/LabelSystem/ScanDialogType.php

@@ -75,7 +75,8 @@ class ScanDialogType extends AbstractType
                 BarcodeSourceType::INTERNAL => 'scan_dialog.mode.internal',
                 BarcodeSourceType::IPN => 'scan_dialog.mode.ipn',
                 BarcodeSourceType::USER_DEFINED => 'scan_dialog.mode.user',
-                BarcodeSourceType::EIGP114 => 'scan_dialog.mode.eigp'
+                BarcodeSourceType::EIGP114 => 'scan_dialog.mode.eigp',
+                BarcodeSourceType::LCSC => 'scan_dialog.mode.lcsc',
             },
         ]);
 

src/Services/LabelSystem/BarcodeScanner/BarcodeRedirector.php

@@ -45,6 +45,7 @@ use App\Entity\LabelSystem\LabelSupportedElement;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Part;
 use App\Entity\Parts\PartLot;
+use App\Repository\Parts\PartRepository;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityNotFoundException;
 use InvalidArgumentException;
@@ -77,6 +78,10 @@ final class BarcodeRedirector
             return $this->getURLVendorBarcode($barcodeScan);
         }
 
+        if ($barcodeScan instanceof LCSCBarcodeScanResult) {
+	        return $this->getURLLCSCBarcode($barcodeScan);
+	    }
+
         throw new InvalidArgumentException('Unknown $barcodeScan type: '.get_class($barcodeScan));
     }
 
@@ -102,6 +107,54 @@ final class BarcodeRedirector
         }
     }
 
+    /**
+     * Gets the URL to a part from a scan of the LCSC Barcode
+     */
+    private function getURLLCSCBarcode(LCSCBarcodeScanResult $barcodeScan): string
+    {
+        $part = $this->getPartFromLCSC($barcodeScan);
+	    return $this->urlGenerator->generate('app_part_show', ['id' => $part->getID()]);
+    }
+
+    /**
+     * Resolve LCSC barcode -> Part.
+     * Strategy:
+     *  1) Try providerReference.provider_id == pc (LCSC "Cxxxxxx") if you store it there
+     *  2) Fallback to manufacturer_product_number == pm (MPN)
+     * Returns first match (consistent with EIGP114 logic)
+     */
+    private function getPartFromLCSC(LCSCBarcodeScanResult $barcodeScan): Part
+    {
+    	// Try LCSC code (pc) as provider id if available
+	    $pc = $barcodeScan->getPC(); // e.g. C138033
+	    if ($pc) {
+        	$qb = $this->em->getRepository(Part::class)->createQueryBuilder('part');
+	        $qb->where($qb->expr()->like('LOWER(part.providerReference.provider_id)', 'LOWER(:vendor_id)'));
+	        $qb->setParameter('vendor_id', $pc);
+	        $results = $qb->getQuery()->getResult();
+        	if ($results) {
+	            return $results[0];
+        	}
+  	    }
+
+	    // Fallback to MPN (pm)
+	    $pm = $barcodeScan->getPM(); // e.g. RC0402FR-071ML
+	    if (!$pm) {
+        	throw new EntityNotFoundException();
+	    }
+
+	    $mpnQb = $this->em->getRepository(Part::class)->createQueryBuilder('part');
+	    $mpnQb->where($mpnQb->expr()->like('LOWER(part.manufacturer_product_number)', 'LOWER(:mpn)'));
+	    $mpnQb->setParameter('mpn', $pm);
+
+	    $results = $mpnQb->getQuery()->getResult();
+	    if ($results) {
+        	return $results[0];
+	    }
+
+	    throw new EntityNotFoundException();
+    }
+
     /**
      * Gets the URL to a part from a scan of a Vendor Barcode
      */

src/Services/LabelSystem/BarcodeScanner/BarcodeScanHelper.php

@@ -92,6 +92,9 @@ final class BarcodeScanHelper
         if ($type === BarcodeSourceType::EIGP114) {
             return $this->parseEIGP114Barcode($input);
         }
+        if ($type === BarcodeSourceType::LCSC) {
+	        return $this->parseLCSCBarcode($input);
+	    }
 
         //Null means auto and we try the different formats
         $result = $this->parseInternalBarcode($input);
@@ -117,6 +120,11 @@ final class BarcodeScanHelper
             return $result;
         }
 
+        // Try LCSC barcode
+        if (LCSCBarcodeScanResult::looksLike($input)) {
+	        return $this->parseLCSCBarcode($input);
+	    }
+
         throw new InvalidArgumentException('Unknown barcode');
     }
 
@@ -125,6 +133,11 @@ final class BarcodeScanHelper
         return EIGP114BarcodeScanResult::parseFormat06Code($input);
     }
 
+    private function parseLCSCBarcode(string $input): LCSCBarcodeScanResult
+    {
+        return LCSCBarcodeScanResult::parse($input);
+    }
+
     private function parseUserDefinedBarcode(string $input): ?LocalBarcodeScanResult
     {
         $lot_repo = $this->entityManager->getRepository(PartLot::class);

src/Services/LabelSystem/BarcodeScanner/BarcodeSourceType.php

@@ -42,4 +42,7 @@ enum BarcodeSourceType
      * EIGP114 formatted barcodes like used by digikey, mouser, etc.
      */
     case EIGP114;
-}
+
+    /** For LCSC.com formatted QR codes */
+    case LCSC;
+}

src/Services/LabelSystem/BarcodeScanner/LCSCBarcodeScanResult.php

@@ -0,0 +1,127 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\LabelSystem\BarcodeScanner;
+
+use InvalidArgumentException;
+
+/**
+ * This class represents the content of a lcsc.com barcode
+ * Its data structure is represented by {pbn:...,on:...,pc:...,pm:...,qty:...}
+ */
+class LCSCBarcodeScanResult implements BarcodeScanResultInterface
+{
+    /**
+     * @param array<string, string> $fields
+     */
+    public function __construct(
+        public readonly array $fields,
+        public readonly string $raw_input,
+    ) {}
+
+    public function getSourceType(): BarcodeSourceType
+    {
+        return BarcodeSourceType::LCSC;
+    }
+
+    /**
+     * @return string|null The manufactures part number
+     */
+    public function getPM(): ?string
+    {
+        $v = $this->fields['pm'] ?? null;
+        $v = $v !== null ? trim($v) : null;
+        return ($v === '') ? null : $v;
+    }
+
+    /**
+     * @return string|null The lcsc.com part number
+     */
+    public function getPC(): ?string
+    {
+        $v = $this->fields['pc'] ?? null;
+        $v = $v !== null ? trim($v) : null;
+        return ($v === '') ? null : $v;
+    }
+
+    /**
+     * @return array|float[]|int[]|null[]|string[] An array of fields decoded from the barcode
+     */
+    public function getDecodedForInfoMode(): array
+    {
+        // Keep it human-friendly
+        return [
+            'Barcode type' => 'LCSC',
+            'MPN (pm)' => $this->getPM() ?? '',
+            'LCSC code (pc)' => $this->getPC() ?? '',
+            'Qty' => $this->fields['qty'] ?? '',
+            'Order No (on)' => $this->fields['on'] ?? '',
+            'Pick Batch (pbn)' => $this->fields['pbn'] ?? '',
+            'Warehouse (wc)' => $this->fields['wc'] ?? '',
+            'Country/Channel (cc)' => $this->fields['cc'] ?? '',
+        ];
+    }
+
+    /**
+     * Parses the barcode data to see if the input matches the expected format used by lcsc.com
+     * @param string $input
+     * @return bool
+     */
+    public static function looksLike(string $input): bool
+    {
+        $s = trim($input);
+
+        // Your example: {pbn:...,on:...,pc:...,pm:...,qty:...}
+        if (!str_starts_with($s, '{') || !str_ends_with($s, '}')) {
+            return false;
+        }
+
+        // Must contain at least pm: and pc: (common for LCSC labels)
+        return (stripos($s, 'pm:') !== false) && (stripos($s, 'pc:') !== false);
+    }
+
+    /**
+     * Parse the barcode input string into the fields used by lcsc.com
+     * @param string $input
+     * @return self
+     */
+    public static function parse(string $input): self
+    {
+        $raw = trim($input);
+
+        if (!self::looksLike($raw)) {
+            throw new InvalidArgumentException('Not an LCSC barcode');
+        }
+
+        $inner = trim($raw);
+        $inner = substr($inner, 1, -1); // remove { }
+
+        $fields = [];
+
+        // This format is comma-separated pairs, values do not contain commas in your sample.
+        $pairs = array_filter(array_map('trim', explode(',', $inner)));
+
+        foreach ($pairs as $pair) {
+            $pos = strpos($pair, ':');
+            if ($pos === false) {
+                continue;
+            }
+
+            $k = trim(substr($pair, 0, $pos));
+            $v = trim(substr($pair, $pos + 1));
+
+            if ($k === '') {
+                continue;
+            }
+
+            $fields[$k] = $v;
+        }
+
+        if (!isset($fields['pm']) || trim($fields['pm']) === '') {
+            throw new InvalidArgumentException('LCSC barcode missing pm field');
+        }
+
+        return new self($fields, $raw);
+    }
+}

translations/messages.en.xlf

@@ -12027,6 +12027,12 @@ Please note, that you can not impersonate a disabled user. If you try you will g
         <target>EIGP 114 barcode (e.g. the datamatrix codes on digikey and mouser orders)</target>
       </segment>
     </unit>
+    <unit id="lAzDdr" name="scan_dialog.mode.lcsc">
+      <segment state="translated">
+        <source>scan_dialog.mode.lcsc</source>
+        <target>LCSC.com barcode</target>
+      </segment>
+    </unit>
     <unit id="QSMS_Bd" name="scan_dialog.info_mode">
       <segment state="translated">
         <source>scan_dialog.info_mode</source>