fix: deleting a user keeping user's tickets open assigned to "null"

backend/src/services/UserServices/DeleteUserService.ts

@@ -1,5 +1,7 @@
 import User from "../../models/User";
 import AppError from "../../errors/AppError";
+import Ticket from "../../models/Ticket";
+import UpdateDeletedUserOpenTicketsStatus from "../../helpers/UpdateDeletedUserOpenTicketsStatus";
 
 const DeleteUserService = async (id: string): Promise<void> => {
   const user = await User.findOne({
@@ -10,6 +12,14 @@ const DeleteUserService = async (id: string): Promise<void> => {
     throw new AppError("No user found with this ID.", 404);
   }
 
+  const userOpenTickets: Ticket[] = await user.$get("tickets", {
+    where: { status: "open" }
+  });
+
+  if (userOpenTickets.length > 0) {
+    UpdateDeletedUserOpenTicketsStatus(userOpenTickets);
+  }
+
   await user.destroy();
 };