use strict null checks

src/modules/ad/core/application/commands/create-ad/create-ad.command.ts

@@ -18,7 +18,7 @@ export class CreateAdCommand extends Command {
 
   constructor(props: CommandProps<CreateAdCommand>) {
     super(props);
-    this.id = props.id;
+    this.id = props.id as string;
     this.driver = props.driver;
     this.passenger = props.passenger;
     this.frequency = props.frequency;

src/modules/ad/infrastructure/ad.repository.ts

@@ -18,10 +18,10 @@ export type AdBaseModel = {
   seatsProposed: number;
   seatsRequested: number;
   strict: boolean;
-  driverDuration: number;
-  driverDistance: number;
-  passengerDuration: number;
-  passengerDistance: number;
+  driverDuration?: number;
+  driverDistance?: number;
+  passengerDuration?: number;
+  passengerDistance?: number;
   fwdAzimuth: number;
   backAzimuth: number;
   createdAt: Date;