feat: better layout in a lot of places

lib/cache/cache.ts

@@ -54,7 +54,19 @@ export function expire(id: string, seconds: number) {
   }
 }
 
-export async function set<T extends RedisValue>(id: string, content: T) {
+type RedisOptions = {
+  expires?: number;
+};
+
+export async function set<T extends RedisValue>(
+  id: string,
+  content: T,
+  options?: RedisOptions,
+) {
   console.log("[cache] storing ", { id });
-  return await cache.set(id, content);
+  const res = await cache.set(id, content);
+  if (options?.expires) {
+    await expire(id, options.expires);
+  }
+  return res;
 }

lib/cache/documents.ts

@@ -1,57 +1,31 @@
 import { Document } from "@lib/documents.ts";
 import * as cache from "@lib/cache/cache.ts";
 
-type DocumentsCache = {
-  lastUpdated: number;
-  documents: Document[];
-};
-
-const CACHE_INTERVAL = 5000; // 5 seconds;
+const CACHE_INTERVAL = 20; // 5 seconds;
 const CACHE_KEY = "documents";
 
 export async function getDocuments() {
-  const docs = await cache.get<DocumentsCache>(CACHE_KEY);
-  if (!docs) return;
-
-  if (Date.now() > docs.lastUpdated + CACHE_INTERVAL) {
-    return;
-  }
-
-  return docs.documents;
+  const res = await cache.get<string>(CACHE_KEY);
+  if (res) return JSON.parse(res);
+  return;
 }
 
 export function setDocuments(documents: Document[]) {
   return cache.set(
     CACHE_KEY,
-    JSON.stringify({
-      lastUpdated: Date.now(),
-      documents,
-    }),
+    JSON.stringify(documents),
+    { expires: CACHE_INTERVAL },
   );
 }
 
-type DocumentCache = {
-  lastUpdated: number;
-  content: string;
-};
-
-export async function getDocument(id: string) {
-  const doc = await cache.get<DocumentCache>(CACHE_KEY + "/" + id);
-  if (!doc) return;
-
-  if (Date.now() > doc.lastUpdated + CACHE_INTERVAL) {
-    return;
-  }
-
-  return doc.content;
+export function getDocument(id: string) {
+  return cache.get<string>(CACHE_KEY + "/" + id);
 }
 
 export async function setDocument(id: string, content: string) {
   await cache.set(
     CACHE_KEY + "/" + id,
-    JSON.stringify({
-      lastUpdated: Date.now(),
-      content,
-    }),
+    content,
+    { expires: CACHE_INTERVAL },
   );
 }

lib/cache/image.ts

@@ -12,7 +12,6 @@ const CACHE_KEY = "images";
 
 function getCacheKey({ url: _url, width, height }: ImageCacheOptions) {
   const url = new URL(_url);
-
   return `${CACHE_KEY}/${url.hostname}/${url.pathname}/${width}/${height}`
     .replace(
       "//",