feat: sync contingents for TYPO3 calendar hotels

src/Entity/Groups/ContingentDay.php

@@ -12,11 +12,14 @@ use Doctrine\ORM\Mapping as ORM;
 /**
  * Local snapshot of a single day of contingent availability as reported by bpn-connect.
  *
+ * Keyed by hotel code, not by accommodation: the snapshot also covers TYPO3's calendar hotels,
+ * which have no `Accommodation`.
+ *
  * Written exclusively by the scheduled sync, never by a user, hence no Blameable/Timestampable.
  */
 #[ORM\Entity(repositoryClass: ContingentDayRepository::class)]
 #[ORM\Table(name: 'contingent_day')]
-#[ORM\UniqueConstraint(name: 'uniq_contingent_day_accommodation_date', columns: ['accommodation_id', 'date'])]
+#[ORM\UniqueConstraint(name: 'uniq_contingent_day_hotel_code_date', columns: ['hotel_code', 'date'])]
 class ContingentDay
 {
     #[ORM\Id]
@@ -24,8 +27,15 @@ class ContingentDay
     #[ORM\Column]
     private ?int $id = null;
 
+    #[ORM\Column(length: 16)]
+    private ?string $hotelCode = null;
+
+    /**
+     * Superseded by $hotelCode and no longer written. Only rows from before the switch still
+     * carry it; it stays mapped until the column is dropped, so the switch can be rolled back.
+     */
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(nullable: false, onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(nullable: true, onDelete: 'CASCADE')]
     private ?Accommodation $accommodation = null;
 
     #[ORM\Column(type: Types::DATE_IMMUTABLE)]
@@ -39,6 +49,18 @@ class ContingentDay
         return $this->id;
     }
 
+    public function getHotelCode(): ?string
+    {
+        return $this->hotelCode;
+    }
+
+    public function setHotelCode(string $hotelCode): self
+    {
+        $this->hotelCode = $hotelCode;
+
+        return $this;
+    }
+
     public function getAccommodation(): ?Accommodation
     {
         return $this->accommodation;