add methods to generate an ID based on address

src/loaders/ParkingRepositoryLoaders/ChapmanTimedApiBasedParkingRepositoryLoader.ts

@@ -1,5 +1,6 @@
 import { ParkingRepositoryLoader } from "./ParkingRepositoryLoader";
 import { ParkingGetterSetterRepository } from "../../repositories/ParkingGetterSetterRepository";
+import { createHash } from "node:crypto";
 
 export class ChapmanTimedApiBasedParkingRepositoryLoader implements ParkingRepositoryLoader {
   public static readonly id = "chapman-parking-loader";
@@ -11,4 +12,21 @@ export class ChapmanTimedApiBasedParkingRepositoryLoader implements ParkingRepos
   async fetchAndUpdateParkingStructures(): Promise<void> {
     // TODO
   }
+
+  private normalizeAddress(address: string): string {
+    return address
+      .toLowerCase()
+      .split(/\s+/)
+      .filter(part => part.length > 0)
+      .join(' ');
+  }
+
+  private generateId(address: string): string {
+    const normalized = this.normalizeAddress(address);
+    const hash = createHash('sha256')
+      .update(normalized)
+      .digest('hex');
+
+    return hash.substring(0, 12);
+  }
 }