feat: completely remove redis

lib/recommendation.ts

@@ -1,8 +1,8 @@
-import * as cache from "@lib/cache/cache.ts";
 import * as openai from "@lib/openai.ts";
 import * as tmdb from "@lib/tmdb.ts";
 import { GenericResource } from "@lib/types.ts";
 import { parseRating } from "@lib/helpers.ts";
+import { createCache } from "@lib/cache.ts";
 
 type RecommendationResource = {
   id: string;
@@ -15,12 +15,14 @@ type RecommendationResource = {
   year?: number;
 };
 
+const cache = createCache<RecommendationResource>();
+
 export async function createRecommendationResource(
   res: GenericResource,
   description?: string,
 ) {
-  const cacheId = `recommendations:${res.type}:${res.id.replaceAll(":", "")}`;
-  const resource: RecommendationResource = await cache.get(cacheId) || {
+  const cacheId = `${res.type}:${res.id.replaceAll(":", "")}`;
+  const resource = cache.get(cacheId) || {
     id: res.id,
     type: res.type,
     rating: -1,
@@ -58,20 +60,15 @@ export async function createRecommendationResource(
   cache.set(cacheId, JSON.stringify(resource));
 }
 
-export async function getRecommendation(
+export function getRecommendation(
   id: string,
   type: string,
-): Promise<RecommendationResource | null> {
-  const res = await cache.get(`recommendations:${type}:${id}`) as string;
-  try {
-    return JSON.parse(res);
-  } catch (_) {
-    return null;
-  }
+): RecommendationResource | undefined {
+  return cache.get(`recommendations:${type}:${id}`);
 }
 
 export async function getSimilarMovies(id: string) {
-  const recs = await getRecommendation(id, "movie");
+  const recs = getRecommendation(id, "movie");
   if (!recs?.keywords?.length) return;
 
   const recommendations = await openai.getMovieRecommendations(
@@ -91,8 +88,7 @@ export async function getSimilarMovies(id: string) {
 export async function getAllRecommendations(): Promise<
   RecommendationResource[]
 > {
-  const keys = await cache.keys("recommendations:movie:*");
-  return Promise.all(keys.map((k) => cache.get(k))).then((res) =>
-    res.map((r) => JSON.parse(r))
-  );
+  const keys = cache.keys("recommendations:movie:*");
+  const res = await Promise.all(keys.map((k) => cache.get(k)));
+  return res.map((r) => JSON.parse(r));
 }