Other various changes

src/Repository/ReferenceRepository.php

@@ -25,6 +25,35 @@ class ReferenceRepository extends ServiceEntityRepository
             ->getResult();
     }
 
+    public function findHeidelberg($ref): array|Reference
+    {
+        if (substr($ref, 0, 2) == 'ld') {
+            $num = substr($ref, 2);
+            $qb = $this->createQueryBuilder('r');
+            $r = $qb->where($qb->expr()->like('r.label', ':ld'))
+                ->setParameter('ld', "ld{$num}-%")
+                ->getQuery()
+                ->getResult()
+            ;
+        } elseif (substr($ref, 0, 2) == 'hc') {
+            $num = substr($ref, 2);
+            $qb = $this->createQueryBuilder('r');
+            $r = $qb->where($qb->expr()->like('r.label', ':hc'))
+                ->setParameter('hc', "%-hc{$num}")
+                ->getQuery()
+                ->getResult()
+            ;
+
+            if(count($r) > 0) {
+                $r = $r[0];
+
+                $r->setLabel(implode("\n", explode("-", $r->getLabel())));
+            }
+        }
+
+        return $r;
+    }
+
     //    /**
     //     * @return Reference[] Returns an array of Reference objects
     //     */