From 9fbf465648e935f611fe7414c0a539fb68a5a559 Mon Sep 17 00:00:00 2001
From: Diamond <33725716+DiamondMiner88@users.noreply.github.com>
Date: Sat, 5 Nov 2022 14:15:39 -0700
Subject: [PATCH] feat: clear old version caches

---
 .../aliucord/manager/ui/viewmodel/InstallViewModel.kt  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app/src/main/kotlin/com/aliucord/manager/ui/viewmodel/InstallViewModel.kt b/app/src/main/kotlin/com/aliucord/manager/ui/viewmodel/InstallViewModel.kt
index 00900be..fb8d646 100644
--- a/app/src/main/kotlin/com/aliucord/manager/ui/viewmodel/InstallViewModel.kt
+++ b/app/src/main/kotlin/com/aliucord/manager/ui/viewmodel/InstallViewModel.kt
@@ -111,6 +111,14 @@ class InstallViewModel(
         }
     }
 
+    private fun clearOldCache(targetVersion: Int) {
+        externalCacheDir.listFiles { f -> f.isDirectory }
+            ?.map { it.name.toIntOrNull() to it }
+            ?.filter { it.first != null }
+            ?.filter { it.first!! in (126021 + 1) until targetVersion }
+            ?.forEach { it.second.deleteRecursively() }
+    }
+
     override fun onCleared() {
         if (installationRunning.getAndSet(false)) {
             installJob.cancel("ViewModel cleared")
@@ -141,6 +149,8 @@ class InstallViewModel(
         val discordCacheDir = externalCacheDir.resolve(supportedVersion)
         val patchedDir = discordCacheDir.resolve("patched").also { it.deleteRecursively() }
 
+        clearOldCache(supportedVersion.toInt())
+
         // Download base.apk
         val baseApkFile = step(InstallStep.DL_BASE_APK) {
             discordCacheDir.resolve("base-${supportedVersion}.apk").let { file ->