feat(MED-100): update cart checkout flow and views

app/home/(user)/_lib/server/load-analysis-packages.ts

@@ -0,0 +1,36 @@
+import { cache } from 'react';
+
+import { listCollections, listProducts, listRegions } from "@lib/data";
+
+async function countryCodesLoader() {
+  const countryCodes = await listRegions().then((regions) =>
+    regions?.map((r) => r.countries?.map((c) => c.iso_2)).flat(),
+  );
+  return countryCodes ?? [];
+}
+export const loadCountryCodes = cache(countryCodesLoader);
+
+async function collectionsLoader() {
+  const { collections } = await listCollections({
+    fields: 'id, handle',
+  });
+  return collections ?? [];
+}
+export const loadCollections = cache(collectionsLoader);
+
+async function analysisPackagesLoader() {
+  const [countryCodes, collections] = await Promise.all([loadCountryCodes(), loadCollections()]);
+  const countryCode = countryCodes[0]!;
+
+  const collection = collections.find(({ handle }) => handle === 'analysis-packages');
+  if (!collection) {
+    return { analysisPackages: [], countryCode };
+  }
+
+  const { response } = await listProducts({
+    countryCode,
+    queryParams: { limit: 100, collection_id: collection?.id },
+  });
+  return { analysisPackages: response.products, countryCode };
+}
+export const loadAnalysisPackages = cache(analysisPackagesLoader);