feat: add inlinking transmission code block

Signed-off-by: Chloe <pinkcloudvnn@gmail.com>

app/search/[collection]/loading.tsx

@@ -0,0 +1,31 @@
+import BreadcrumbHome from 'components/breadcrumb/breadcrumb-home';
+import { YMMFiltersPlaceholder } from 'components/filters';
+import { FiltersListPlaceholder } from 'components/layout/search/filters/filters-container';
+import { HeaderPlaceholder } from 'components/layout/search/header';
+import ProductsGridPlaceholder from 'components/layout/search/placeholder';
+
+const Loading = () => {
+  return (
+    <div className="mx-auto mt-6 max-w-screen-2xl px-8 pb-10">
+      <div className="grid lg:grid-cols-3 lg:gap-x-10 xl:grid-cols-4">
+        <aside className="hidden lg:block">
+          <div className="mb-5">
+            <YMMFiltersPlaceholder />
+          </div>
+          <h3 className="sr-only">Filters</h3>
+          <FiltersListPlaceholder />
+        </aside>
+        <div className="lg:col-span-2 xl:col-span-3">
+          <div className="mb-2">
+            <BreadcrumbHome />
+          </div>
+          <HeaderPlaceholder />
+
+          <ProductsGridPlaceholder />
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default Loading;

app/search/[collection]/page.tsx

@@ -18,6 +18,9 @@ import Header, { HeaderPlaceholder } from 'components/layout/search/header';
 import HelpfulLinks from 'components/layout/search/helpful-links';
 import ProductsGridPlaceholder from 'components/layout/search/placeholder';
 import SortingMenu from 'components/layout/search/sorting-menu';
+import TransmissionCode from 'components/transmission-codes';
+import TransmissionModels from 'components/transmission-model';
+import { MAKE_FILTER_ID } from 'lib/constants';
 import { Suspense } from 'react';
 
 export async function generateMetadata({
@@ -79,6 +82,7 @@ export default async function CategorySearchPage(props: {
   params: { collection: string };
   searchParams?: { [key: string]: string | string[] | undefined };
 }) {
+  const collectionHandle = props.params.collection;
   return (
     <>
       <div className="mx-auto mt-6 max-w-screen-2xl px-8 pb-10">
@@ -90,44 +94,49 @@ export default async function CategorySearchPage(props: {
               </Suspense>
             </div>
 
-            <SubMenu collection={props.params.collection} />
+            <SubMenu collection={collectionHandle} />
             <h3 className="sr-only">Filters</h3>
-            <Suspense
+            <Suspense fallback={<FiltersListPlaceholder />} key={`filters-${collectionHandle}`}>
-              fallback={<FiltersListPlaceholder />}
+              <FiltersContainer searchParams={props.searchParams} collection={collectionHandle} />
-              key={`filters-${props.params.collection}`}
+              <HelpfulLinks collection={collectionHandle} />
-            >
-              <FiltersContainer
-                searchParams={props.searchParams}
-                collection={props.params.collection}
-              />
-              <HelpfulLinks collection={props.params.collection} />
             </Suspense>
           </aside>
           <div className="lg:col-span-2 xl:col-span-3">
             <div className="mb-2">
-              <Suspense fallback={<BreadcrumbHome />} key={`breadcrumb-${props.params.collection}`}>
+              <Suspense fallback={<BreadcrumbHome />} key={`breadcrumb-${collectionHandle}`}>
-                <Breadcrumb type="collection" handle={props.params.collection} />
+                <Breadcrumb type="collection" handle={collectionHandle} />
               </Suspense>
             </div>
-            <Suspense fallback={<HeaderPlaceholder />} key={`header-${props.params.collection}`}>
+            <Suspense fallback={<HeaderPlaceholder />} key={`header-${collectionHandle}`}>
-              <Header collection={props.params.collection} />
+              <Header collection={collectionHandle} />
             </Suspense>
 
-            <Suspense
+            <Suspense fallback={<ProductsGridPlaceholder />} key={`products-${collectionHandle}`}>
-              fallback={<ProductsGridPlaceholder />}
-              key={`products-${props.params.collection}`}
-            >
               <CategoryPage {...props} />
             </Suspense>
           </div>
         </div>
       </div>
       <FAQ handle="plp-faqs" />
+      {collectionHandle.startsWith('transmissions') && (
+        <>
+          <Suspense>
+            <TransmissionCode
+              collectionHandle={collectionHandle}
+              make={props.searchParams?.[MAKE_FILTER_ID] as string | undefined}
+            />
+          </Suspense>
+          <Suspense>
+            <TransmissionModels
+              collectionHandle={collectionHandle}
+              make={props.searchParams?.[MAKE_FILTER_ID] as string | undefined}
+            />
+          </Suspense>
+        </>
+      )}
       <Suspense>
         <Manufacturers
-          variant={
+          variant={(collectionHandle as string).includes('engines') ? 'engines' : 'transmissions'}
-            (props.params.collection as string).includes('engines') ? 'engines' : 'transmissions'
-          }
         />
       </Suspense>
     </>

components/layout/products-list/index.tsx

@@ -54,7 +54,7 @@ const ProductsList = ({
   return (
     <>
       <Grid className="hide-scrollbar max-h-[1000px] grid-cols-1 overflow-y-auto border-b border-gray-100 pb-4 sm:grid-cols-2 sm:gap-x-8 lg:grid-cols-3">
-        {products.map((product) => (
+        {products.map((product, index) => (
           <Grid.Item key={product.handle} className="animate-fadeIn">
             <GridTileImage
               alt={product.title}
@@ -63,6 +63,7 @@ const ProductsList = ({
               fill
               sizes="(min-width: 768px) 33vw, (min-width: 640px) 50vw, 100vw"
               href={`/product/${product.handle}`}
+              priority={index > 10 ? false : true}
             />
           </Grid.Item>
         ))}

components/manufacturers-grid/index.tsx

@@ -36,7 +36,7 @@ const ManufacturersGrid = ({ manufacturers, variant = 'home' }: ManufacturersGri
                 )}
                 {variant === 'home' && <ButtonGroup manufacturer={manufacturer} />}
               </div>
-            ))}{' '}
+            ))}
           </div>
           <hr className="my-10 w-full" />
         </>

components/transmission-codes/index.tsx

@@ -0,0 +1,52 @@
+import { StarIcon } from '@heroicons/react/24/outline';
+import Tag from 'components/tag';
+import { MAKE_FILTER_ID, TRANSMISSION_CODE_FILTER_ID } from 'lib/constants';
+import { getProductFilters } from 'lib/shopify';
+import { getCollectionUrl } from 'lib/utils';
+import Link from 'next/link';
+
+const TransmissionCode = async ({
+  collectionHandle,
+  make
+}: {
+  collectionHandle: string;
+  make?: string;
+}) => {
+  const transmissionCodes = await getProductFilters(
+    { collection: collectionHandle, make },
+    TRANSMISSION_CODE_FILTER_ID
+  );
+
+  if (!transmissionCodes || transmissionCodes.values.length === 0) {
+    return null;
+  }
+
+  return (
+    <div className="px-6 pt-20">
+      <div className="mx-auto flex max-w-7xl flex-col gap-3">
+        <Tag text="Get Started" />
+        <h3 className="mb-3 text-3xl font-semibold lg:text-4xl">{`Browse By Transmission Code`}</h3>
+        <div className="h-auto max-h-[700px] w-full overflow-auto rounded px-10 py-6 shadow">
+          <p className="flex items-center gap-2">
+            <StarIcon className="size-4" />
+            <span className="font-medium text-blue-800">Popular Transmission Codes</span>
+          </p>
+          <div className="mt-6 grid grid-cols-2 gap-x-12 gap-y-5 md:grid-cols-3 md:gap-y-8 lg:grid-cols-4 xl:grid-cols-5">
+            {transmissionCodes.values.map((transmissionCode) => (
+              <Link
+                href={`${getCollectionUrl(collectionHandle)}?${TRANSMISSION_CODE_FILTER_ID}=${transmissionCode.value}${make ? `&${MAKE_FILTER_ID}=${make}` : ''}`}
+                key={transmissionCode.id}
+              >
+                <div className="rounded border border-primary px-2 py-1 text-sm">
+                  {transmissionCode.label}
+                </div>
+              </Link>
+            ))}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default TransmissionCode;

components/transmission-model/index.tsx

@@ -0,0 +1,55 @@
+import { GlobeAltIcon } from '@heroicons/react/24/outline';
+import { MAKE_FILTER_ID, MODEL_FILTER_ID } from 'lib/constants';
+import { getProductFilters } from 'lib/shopify';
+import { getCollectionUrl } from 'lib/utils';
+import Link from 'next/link';
+
+const TransmissionModels = async ({
+  collectionHandle,
+  make
+}: {
+  collectionHandle: string;
+  make?: string;
+}) => {
+  // eg: collectionHandle = transmission-bmw-x5
+  const makeFromCollectionHandle = collectionHandle.split('-')[1];
+
+  if (!makeFromCollectionHandle && !make) {
+    return null;
+  }
+
+  const transmissionModels = await getProductFilters(
+    { collection: collectionHandle, make },
+    MODEL_FILTER_ID
+  );
+
+  if (!transmissionModels || transmissionModels.values.length === 0) {
+    return null;
+  }
+
+  return (
+    <div className="px-6 pt-20">
+      <div className="mx-auto max-w-7xl">
+        <h3 className="mb-6 text-3xl font-semibold lg:text-4xl">Browse By Transmission Models</h3>
+        <div className="h-auto max-h-[700px] w-full overflow-auto rounded px-10 py-6 shadow">
+          <p className="flex items-center gap-2">
+            <GlobeAltIcon className="size-4" />
+            <span className="font-medium text-blue-800">Models</span>
+          </p>
+          <div className="mt-6 grid grid-cols-2 gap-x-12 gap-y-5 md:grid-cols-3 md:gap-y-8 lg:grid-cols-4 xl:grid-cols-5">
+            {transmissionModels.values.map((model) => (
+              <Link
+                href={`${getCollectionUrl(collectionHandle)}?${MODEL_FILTER_ID}=${model.value}${make ? `&${MAKE_FILTER_ID}=${make}` : ''}`}
+                key={model.id}
+              >
+                <div className="rounded border border-primary px-2 py-1 text-sm">{model.label}</div>
+              </Link>
+            ))}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default TransmissionModels;

lib/constants.ts

@@ -42,6 +42,7 @@ export const SHOPIFY_GRAPHQL_ADMIN_ADMIN_API_ENDPOINT = '/admin/api/2024-04/grap
 export const CORE_WAIVER = 'core-waiver';
 export const CORE_VARIANT_ID_KEY = 'coreVariantId';
 
+export const TRANSMISSION_CODE_FILTER_ID = 'filter.p.m.custom.transmission_code';
 export const AVAILABILITY_FILTER_ID = 'filter.v.availability';
 export const PRICE_FILTER_ID = 'filter.v.price';
 export const MAKE_FILTER_ID = 'filter.p.m.custom.make_composite';

lib/shopify/index.ts

@@ -38,7 +38,8 @@ import { getCartQuery } from './queries/cart';
 import {
   getCollectionProductsQuery,
   getCollectionQuery,
-  getCollectionsQuery
+  getCollectionsQuery,
+  getTransmissionCodesQuery
 } from './queries/collection';
 import { getCustomerQuery } from './queries/customer';
 import { getMenuQuery } from './queries/menu';
@@ -373,10 +374,10 @@ const reshapeCollections = (collections: ShopifyCollection[]) => {
   return reshapedCollections;
 };
 
-const reshapeFilters = (filters: ShopifyFilter[]): Filter[] => {
+const reshapeFilters = (filters: ShopifyFilter[], excludeYMM = true): Filter[] => {
   const reshapedFilters = [];
-  const excludedYMMFilters = filters.filter(
+  const excludedYMMFilters = filters.filter((filter) =>
-    (filter) => ![MODEL_FILTER_ID, MAKE_FILTER_ID, YEAR_FILTER_ID].includes(filter.id)
+    excludeYMM ? ![MODEL_FILTER_ID, MAKE_FILTER_ID, YEAR_FILTER_ID].includes(filter.id) : true
   );
   for (const filter of excludedYMMFilters) {
     const values = filter.values
@@ -1174,3 +1175,32 @@ export const getFile = async (id: string) => {
 
   return res.body.data.node;
 };
+
+export async function getProductFilters(
+  { collection, make }: { collection: string; make?: string },
+  filterId: string
+): Promise<Filter | null | undefined> {
+  const [namespace, metafieldKey] = MAKE_FILTER_ID.split('.').slice(-2);
+
+  const res = await shopifyFetch<ShopifyCollectionProductsOperation>({
+    query: getTransmissionCodesQuery,
+    tags: [TAGS.collections, TAGS.products],
+    variables: {
+      handle: collection,
+      ...(make
+        ? {
+            filters: [{ productMetafield: { namespace, key: metafieldKey, value: make } }]
+          }
+        : {})
+    }
+  });
+
+  if (!res.body.data.collection) {
+    console.log(`No collection found for \`${collection}\``);
+    return null;
+  }
+
+  const filters = res.body.data.collection.products.filters;
+  const selectedFilters = filters.find((filter) => filter.id === filterId);
+  return selectedFilters ? reshapeFilters([selectedFilters], false)[0] : null;
+}

lib/shopify/queries/collection.ts

@@ -78,3 +78,22 @@ export const getCollectionProductsQuery = /* GraphQL */ `
   }
   ${productFragment}
 `;
+
+export const getTransmissionCodesQuery = /* GraphQL */ `
+  query getTransmissionCodes($handle: String!, $filters: [ProductFilter!]) {
+    collection(handle: $handle) {
+      products(first: 1, filters: $filters) {
+        filters {
+          id
+          label
+          type
+          values {
+            id
+            input
+            label
+          }
+        }
+      }
+    }
+  }
+`;