From b6d81dd97eef78e775f2bfb0e6dc8c2c1035c286 Mon Sep 17 00:00:00 2001
From: MuslemRahimi <moslem_rahimi@hotmail.de>
Date: Wed, 14 Aug 2024 00:45:41 +0200
Subject: [PATCH] delete client side caching every 20 min

---
 src/lib/store.ts          | 30 ++++++++++++++++++++++++++----
 src/routes/+layout.svelte | 10 +++++++++-
 2 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/src/lib/store.ts b/src/lib/store.ts
index 6ffa8c5f..f8889b6a 100644
--- a/src/lib/store.ts
+++ b/src/lib/store.ts
@@ -1,26 +1,49 @@
 import { writable } from 'svelte/store';
 
-// Function to set cache data for a specific tickerID
+
+// Cache expiration time in milliseconds (5 minutes)
+const CACHE_EXPIRATION_TIME = 5 * 60 * 1000;
+
+export const clientSideCache = writable({});
+
+// Function to set cache data for a specific key
 export const setCache = (key, data, name) => {
+  const timestamp = Date.now();
   clientSideCache.update(cache => {
     return {
       ...cache,
       [key]: {
         ...cache[key],
-        [name]: data
+        [name]: { data, timestamp }
       }
     };
   });
 };
 
+// Function to get cache data for a specific key
 export const getCache = (key, name) => {
   let cacheData;
   clientSideCache.subscribe(cache => {
-    cacheData = cache[key]?.[name];
+    const entry = cache[key]?.[name];
+    if (entry) {
+      const { data, timestamp } = entry;
+      // Check if the cache has expired
+      if (Date.now() - timestamp < CACHE_EXPIRATION_TIME) {
+        cacheData = data;
+      } else {
+        // Cache has expired, so return undefined to fetch new data
+        cacheData = undefined;
+      }
+    }
   });
   return cacheData;
 };
 
+// Function to clear the entire cache
+export const clearCache = () => {
+  clientSideCache.set({});
+};
+
 
 export const showCookieConsent = writable(<boolean>(false));
 
@@ -42,7 +65,6 @@ export const isCrosshairMoveActive = writable(<boolean>(true));
 
 export const twitchStatus = writable(<boolean>(false));
 
-export const clientSideCache = writable({});
 export const screenWidth = writable(<Number> (0));
 
 export const globalForm = writable(<Array<any>> []);
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index f1aa4835..690b4306 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -19,7 +19,7 @@
   
   import { beforeNavigate, afterNavigate } from '$app/navigation';
   import { onMount } from 'svelte';
-  import { showCookieConsent,  newAvatar, userRegion, screenWidth, stockTicker, etfTicker, loginData, numberOfUnreadNotification, cachedPosts, currentPagePosition, clientSideCache, twitchStatus } from '$lib/store';
+  import { clearCache, showCookieConsent,  newAvatar, userRegion, screenWidth, stockTicker, etfTicker, loginData, numberOfUnreadNotification, cachedPosts, currentPagePosition, clientSideCache, twitchStatus } from '$lib/store';
 
   import { Button } from "$lib/components/shadcn/button/index.ts";
   import * as Card from "$lib/components/shadcn/card/index.ts";
@@ -187,6 +187,14 @@ onMount(async () => {
   if($showCookieConsent === true) {
       Cookie = (await import("$lib/components/Cookie.svelte")).default;
   }
+
+  //Clear all the cache every 20 min
+  const interval = setInterval(() => {
+      clearCache();
+    }, 20 * 60 * 1000);
+
+    return () => clearInterval(interval);
+    
 })