feat: add beer style likes

src/services/BeerStyleLike/getBeerStyleLikeCount.ts

@@ -0,0 +1,10 @@
+import DBClient from '@/prisma/DBClient';
+
+interface GetBeerStyleLikeCountArgs {
+  beerStyleId: string;
+}
+const getBeerStyleLikeCount = async ({ beerStyleId }: GetBeerStyleLikeCountArgs) => {
+  return DBClient.instance.beerStyleLike.count({ where: { beerStyleId } });
+};
+
+export default getBeerStyleLikeCount;