harden business rules

core/racing/domain/value-objects/TrackId.ts

@@ -1,25 +1,32 @@
-import { RacingDomainValidationError } from '../errors/RacingDomainError';
-import type { IValueObject } from '@core/shared/domain';
+import { z } from "zod";
 
-export class TrackId implements IValueObject<string> {
-  private constructor(private readonly value: string) {}
+const TrackIdSchema = z.string().uuid("TrackId must be a valid UUID");
 
-  get props(): string {
-    return this.value;
+export class TrackId {
+  private readonly _value: string;
+
+  private constructor(value: string) {
+    this._value = value;
   }
 
   static create(value: string): TrackId {
-    if (!value || value.trim().length === 0) {
-      throw new RacingDomainValidationError('Track ID cannot be empty');
-    }
-    return new TrackId(value.trim());
+    const validated = TrackIdSchema.parse(value);
+    return new TrackId(validated);
+  }
+
+  static fromString(value: string): TrackId {
+    return new TrackId(value);
+  }
+
+  get value(): string {
+    return this._value;
+  }
+
+  equals(other: TrackId): boolean {
+    return this._value === other._value;
   }
 
   toString(): string {
-    return this.value;
-  }
-
-  equals(other: IValueObject<string>): boolean {
-    return this.value === other.props;
+    return this._value;
   }
 }