feat: filter timeline by date range and hotels

src/Repository/AssignmentRepository.php

@@ -6,6 +6,7 @@ use App\Entity\Application;
 use App\Entity\Assignment;
 use App\Entity\Teamer;
 use App\Model\AssignmentFilterDto;
+use App\Model\TimelineFilterDto;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\ORM\Query;
 use Doctrine\ORM\Query\Expr\Join;
@@ -309,4 +310,29 @@ class AssignmentRepository extends ServiceEntityRepository
 
         return array_column($availableAssignments, 'id');
     }
+
+    public function getSelectableHotelCodes(): array
+    {
+        $qb = $this->createQueryBuilder('assignment');
+
+        $codes = [];
+
+        $result = $qb
+            ->select('assignment.id', 'destination.hotelCode')
+            ->innerJoin('assignment.destination', 'destination')
+            ->groupBy('destination.hotelCode')
+            ->orderBy('destination.hotelCode', 'ASC')
+            ->getQuery()
+            ->getArrayResult();
+
+        foreach ($result as $row) {
+            if (str_starts_with($row['hotelCode'], 'SER')) {
+                $codes[] = substr($row['hotelCode'], 2, 3);
+            } else {
+                $codes[] = substr($row['hotelCode'], 0, 3);
+            }
+        }
+
+        return array_unique($codes);
+    }
 }