add chapman repository loader and buildParkingRepositoryLoaderIfExists function

src/loaders/ParkingRepositoryLoaders/ChapmanTimedApiBasedParkingRepositoryLoader.ts

@@ -0,0 +1,14 @@
+import { ParkingRepositoryLoader } from "./ParkingRepositoryLoader";
+import { ParkingGetterSetterRepository } from "../../repositories/ParkingGetterSetterRepository";
+
+export class ChapmanTimedApiBasedParkingRepositoryLoader implements ParkingRepositoryLoader {
+  public static readonly id = "chapman-parking-loader";
+
+  constructor(
+    public repository: ParkingGetterSetterRepository
+  ) {}
+
+  async fetchAndUpdateParkingStructures(): Promise<void> {
+    // TODO
+  }
+}

src/loaders/ParkingRepositoryLoaders/buildParkingRepositoryLoaderIfExists.ts

@@ -0,0 +1,15 @@
+import { ParkingGetterSetterRepository } from "../../repositories/ParkingGetterSetterRepository";
+import { ChapmanTimedApiBasedParkingRepositoryLoader } from "./ChapmanTimedApiBasedParkingRepositoryLoader";
+
+interface ParkingRepositoryBuilderArguments {
+  id: string;
+  repository: ParkingGetterSetterRepository;
+}
+
+export function buildParkingRepositoryLoaderIfExists(args: ParkingRepositoryBuilderArguments) {
+  if (args.id === ChapmanTimedApiBasedParkingRepositoryLoader.id) {
+    return new ChapmanTimedApiBasedParkingRepositoryLoader(args.repository);
+  }
+
+  return null;
+}