From 87a3301912a5c124228000bd08399b0176d5e9fc Mon Sep 17 00:00:00 2001
From: antonio <antoniocappiello.play@gmail.com>
Date: Sat, 19 Aug 2023 12:33:39 +0200
Subject: [PATCH] feat: implemented hard deletion of downloaded files upon
 storage change or explicit user request

---
 .idea/misc.xml                                |  1 -
 .../tempo/service/DownloaderManager.java      |  1 +
 .../tempo/util/DownloadUtil.java              | 31 +++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/.idea/misc.xml b/.idea/misc.xml
index e20d8bae..3467fa48 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
diff --git a/app/src/main/java/com/cappielloantonio/tempo/service/DownloaderManager.java b/app/src/main/java/com/cappielloantonio/tempo/service/DownloaderManager.java
index 255fe4d1..66f13910 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/service/DownloaderManager.java
+++ b/app/src/main/java/com/cappielloantonio/tempo/service/DownloaderManager.java
@@ -103,6 +103,7 @@ public class DownloaderManager {
     public void removeAll() {
         DownloadService.sendRemoveAllDownloads(context, DownloaderService.class, false);
         deleteAllDatabase();
+        DownloadUtil.eraseDownloadFolder(context);
     }
 
     private void loadDownloads() {
diff --git a/app/src/main/java/com/cappielloantonio/tempo/util/DownloadUtil.java b/app/src/main/java/com/cappielloantonio/tempo/util/DownloadUtil.java
index 6290d54c..70cae7c7 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/util/DownloadUtil.java
+++ b/app/src/main/java/com/cappielloantonio/tempo/util/DownloadUtil.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.tempo.util;
 
 import android.content.Context;
 
+import androidx.media3.common.util.Log;
 import androidx.media3.common.util.UnstableApi;
 import androidx.media3.database.DatabaseProvider;
 import androidx.media3.database.StandaloneDatabaseProvider;
@@ -23,6 +24,8 @@ import java.io.File;
 import java.net.CookieHandler;
 import java.net.CookieManager;
 import java.net.CookiePolicy;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.Executors;
 
 @UnstableApi
@@ -153,4 +156,32 @@ public final class DownloadUtil {
                 .setCacheWriteDataSinkFactory(null)
                 .setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
     }
+
+    public static synchronized void eraseDownloadFolder(Context context) {
+        File directory = getDownloadDirectory(context);
+
+        ArrayList<File> files = listFiles(directory, new ArrayList<>());
+
+        for (File file : files) {
+            file.delete();
+        }
+    }
+
+    private static synchronized ArrayList<File> listFiles(File directory, ArrayList<File> files) {
+        if (directory.isDirectory()) {
+            File[] list = directory.listFiles();
+
+            if (list != null) {
+                for (File file : list) {
+                    if (file.isFile() && file.getName().toLowerCase().endsWith(".exo")) {
+                        files.add(file);
+                    } else if (file.isDirectory()) {
+                        listFiles(file, files);
+                    }
+                }
+            }
+        }
+
+        return files;
+    }
 }