Substantial refactoring of code structure

controllers/manifest.mjs

@@ -1,34 +1,12 @@
 'use strict';
 
-import Manifest from '../src/Manifest.js';
-import Common from '../src/common.js';
+//import Common from '../src/common.js';
+import { buildManifest } from '../src/service/ManifestBuilder.js';
 
 /**
  * Generate a manifest object to serve
  * @param {string} manifestId 
  */
 export default async function generateManifest(manifestId) {
-	const IIIF_API_VERSION = process.env.IIIF_API_VERSION;
-	const BASE_URL = process.env.BASE_URL;
-
-	let manifest = new Manifest(IIIF_API_VERSION, BASE_URL);
-	manifest.generateID(manifestId);
-	manifest.generateLabel();
-
-	const images = await Common.getImageList(manifestId); 
-
-	manifest = await Common.populateCanvases(
-		manifest, 
-		images,
-		manifestId
-	);
-
-	manifest.setMetadata(
-		Common.createMetadata(
-			manifest,
-			images[0],
-		)
-	);
-
-    return manifest.toObject();
+	return buildManifest(manifestId);
 }