From b8e136005a3632fd4825e065ae7eb3e6742a6b90 Mon Sep 17 00:00:00 2001
From: Riley Testut <riley@rileytestut.com>
Date: Fri, 9 Sep 2022 17:47:49 -0500
Subject: [PATCH] Automatically purges LoggedErrors older than one month

Occurs whenever app enters background.
---
 AltStore/AppDelegate.swift   | 13 +++++++++++++
 AltStore/SceneDelegate.swift | 13 +++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/AltStore/AppDelegate.swift b/AltStore/AppDelegate.swift
index dbbf160f1..951657517 100644
--- a/AltStore/AppDelegate.swift
+++ b/AltStore/AppDelegate.swift
@@ -98,7 +98,20 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     
     func applicationDidEnterBackground(_ application: UIApplication)
     {
+        // Make sure to update SceneDelegate.sceneDidEnterBackground() as well.
+        
         ServerManager.shared.stopDiscovering()
+                
+        guard let oneMonthAgo = Calendar.current.date(byAdding: .month, value: -1, to: Date()) else { return }
+        
+        let midnightOneMonthAgo = Calendar.current.startOfDay(for: oneMonthAgo)
+        DatabaseManager.shared.purgeLoggedErrors(before: midnightOneMonthAgo) { result in
+            switch result
+            {
+            case .success: break
+            case .failure(let error): print("[ALTLog] Failed to purge logged errors before \(midnightOneMonthAgo).", error)
+            }
+        }
     }
 
     func applicationWillEnterForeground(_ application: UIApplication)
diff --git a/AltStore/SceneDelegate.swift b/AltStore/SceneDelegate.swift
index 2249c1c5f..812564695 100644
--- a/AltStore/SceneDelegate.swift
+++ b/AltStore/SceneDelegate.swift
@@ -52,7 +52,20 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate
         
         guard UIApplication.shared.applicationState == .background else { return }
         
+        // Make sure to update AppDelegate.applicationDidEnterBackground() as well.
+        
         ServerManager.shared.stopDiscovering()
+        
+        guard let oneMonthAgo = Calendar.current.date(byAdding: .month, value: -1, to: Date()) else { return }
+        
+        let midnightOneMonthAgo = Calendar.current.startOfDay(for: oneMonthAgo)
+        DatabaseManager.shared.purgeLoggedErrors(before: midnightOneMonthAgo) { result in
+            switch result
+            {
+            case .success: break
+            case .failure(let error): print("[ALTLog] Failed to purge logged errors before \(midnightOneMonthAgo).", error)
+            }
+        }
     }
     
     func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>)