From 9679e5b1304f3b5c8c395e298d6fd129397b682e Mon Sep 17 00:00:00 2001
From: "G.Ambatte" <sean@robertson-family.nz>
Date: Sat, 7 Sep 2024 14:00:31 +1200
Subject: [PATCH] Add garbage collection function to remove version data after
 specified period without update

---
 client/homebrew/pages/editPage/editPage.jsx |  3 ++-
 client/homebrew/utils/versionHistory.js     | 25 +++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/client/homebrew/pages/editPage/editPage.jsx b/client/homebrew/pages/editPage/editPage.jsx
index 004dd714a..3ecf74d73 100644
--- a/client/homebrew/pages/editPage/editPage.jsx
+++ b/client/homebrew/pages/editPage/editPage.jsx
@@ -27,7 +27,7 @@ const Markdown = require('naturalcrit/markdown.js');
 const { DEFAULT_BREW_LOAD } = require('../../../../server/brewDefaults.js');
 const { printCurrentBrew, fetchThemeBundle } = require('../../../../shared/helpers.js');
 
-import { updateHistory } from '../../utils/versionHistory.js';
+import { updateHistory, versionHistoryGarbageCollection } from '../../utils/versionHistory.js';
 
 const googleDriveIcon = require('../../googleDrive.svg');
 
@@ -205,6 +205,7 @@ const EditPage = createClass({
 		}));
 
 		updateHistory(this.state.brew);
+		versionHistoryGarbageCollection();
 
 		const transfer = this.state.saveGoogle == _.isNil(this.state.brew.googleId);
 
diff --git a/client/homebrew/utils/versionHistory.js b/client/homebrew/utils/versionHistory.js
index 5d0ce15c5..c70edbe5d 100644
--- a/client/homebrew/utils/versionHistory.js
+++ b/client/homebrew/utils/versionHistory.js
@@ -7,6 +7,11 @@ export const HISTORY_PREFIX = 'HOMEBREWERY-HISTORY'
 // 	4: 12 * 60,     // 12 hours
 // 	5: 2 * 24 * 60  // 2 days
 // };
+// 
+// const GARBAGE_COLLECT_AT = 28 * 24 * 60; // 28 days
+
+
+// <=================== TEST VALUES STARTS ===================>
 
 // Test values
 const HISTORY_SAVE_DELAYS = {
@@ -17,6 +22,11 @@ const HISTORY_SAVE_DELAYS = {
 	4: 4,           // 4 minutes
 	5: 5            // 5 minutes
 };
+const GARBAGE_COLLECT_DELAY = 10; // 10 minutes
+
+// <==================== TEST VALUES ENDS ====================>
+
+
 
 const DEFAULT_STORED_BREW = {
     shareId  : 'default_brew',
@@ -94,3 +104,18 @@ export function updateHistory(brew) {
         return true;
     });
 };
+
+export function versionHistoryGarbageCollection(){
+    Object.keys(localStorage)
+        .filter((key)=>{
+            return key.startsWith(HISTORY_PREFIX);
+        })
+        .forEach((key)=>{
+            const collectAt = new Date(JSON.parse(localStorage.getItem(key)).expireAt);
+            collectAt.setMinutes(collectAt.getMinutes() + GARBAGE_COLLECT_DELAY);
+            if(new Date() > collectAt){
+                console.log('GARBAGE COLLECTION:', key);
+                localStorage.removeItem(key);
+            }
+        });
+};
\ No newline at end of file