bbticket trigger fixes

custom/booking/class/api_booking.class.php

@@ -1442,7 +1442,7 @@ class BookingApi extends DolibarrApi
 		}
 		$ticket = new BbTicket($db);
 		$ticket->fk_facture = null;
-		$ticket->bundle_id = $product_id;
+		$ticket->bundle_id = $this->getProductAssociationPere($product_id);
 		$ticket->usable_occasions = $occasions;
 		$ticket->usage = '0';
 		$ticket->available_at = $this->getAvailableAtDate($datec, $validperiod);
@@ -1455,6 +1455,18 @@ class BookingApi extends DolibarrApi
 		return true;
 	}
 
+	private function getProductAssociationPere($product_id)
+    {
+		$pere = $product_id;
+        $sql = "SELECT fk_product_pere FROM " . $this->db->prefix() . "product_association WHERE fk_product_fils = " . $product_id;
+        $result = $this->db->query($sql);
+        if ($this->db->num_rows($result) > 0) {
+            while ($sqlDataResult = $this->db->fetch_object($result)) {
+                return $sqlDataResult->fk_product_pere;
+            }
+        }
+		return $pere;
+    }
 	private function getAvailableAtDate($date, $validperiod)
 	{
 		$available_at = date('Y-m-d H:i:s', strtotime($date . ' +' . $validperiod . ' days'));