add clear infojson preference

app/src/main/java/com/deniscerri/ytdl/ui/more/settings/folder/FolderSettingsModule.kt

@@ -345,6 +345,61 @@ object FolderSettingsModule: SettingModule {
                         }
                 }
             }
+            "clear_info_jsons" -> {
+                pref.apply {
+                    val infoJsonSize = File(FileUtil.getInfoJsonPath(context)).walkBottomUp().fold(0L) { acc, file -> acc + file.length() }
+                    val filesize  = if (infoJsonSize < 10000) {
+                        "0B"
+                    }else {
+                        FileUtil.convertFileSize(infoJsonSize)
+                    }
+
+                    summary = "(${filesize})"
+                    onPreferenceClickListener =
+                        Preference.OnPreferenceClickListener {
+                            host.hostLifecycleOwner.lifecycleScope.launch {
+                                activeDownloadCount = withContext(Dispatchers.IO) {
+                                    downloadViewModel.getActiveDownloadsCount()
+                                }
+                                if (activeDownloadCount == 0){
+                                    fun clearInfoJsonFolder(folder: File) {
+                                        if (folder.exists() && folder.isDirectory) {
+                                            folder.listFiles()?.forEach { file ->
+                                                if (file.isDirectory) {
+                                                    clearInfoJsonFolder(file)
+                                                    file.delete()
+                                                } else {
+                                                    file.delete()
+                                                }
+                                            }
+                                        }
+                                    }
+                                    clearInfoJsonFolder(File(FileUtil.getInfoJsonPath(context)))
+
+                                    if (host.hostView != null && host.hostView!!.isAttachedToWindow) {
+                                        Snackbar.make(host.hostView!!, context.getString(R.string.cache_cleared), Snackbar.LENGTH_SHORT).show()
+                                    }
+                                }else{
+                                    if (host.hostView != null && host.hostView!!.isAttachedToWindow) {
+                                        Snackbar.make(host.hostView!!, context.getString(R.string.downloads_running_try_later), Snackbar.LENGTH_SHORT).show()
+                                    }
+                                }
+
+                                val infoJsonSize = File(FileUtil.getInfoJsonPath(context)).walkBottomUp().fold(0L) { acc, file -> acc + file.length() }
+                                val filesize  = if (infoJsonSize < 10000) {
+                                    "0B"
+                                }else {
+                                    FileUtil.convertFileSize(infoJsonSize)
+                                }
+
+                                summary = "(${filesize})"
+
+                                host.refreshUI()
+                            }
+                            true
+                        }
+                }
+            }
             "move_cache" -> {
                 pref.apply {
                     onPreferenceClickListener =

app/src/main/res/values/strings.xml

@@ -587,6 +587,7 @@
     <string name="check_clipboard">Check clipboard on app startup</string>
     <string name="check_clipboard_home_summary">Automatically detect URLs in clipboard in the home screen</string>
     <string name="check_clipboard_home">Check clipboard in the home screen</string>
+    <string name="clear_info_json">Clear infojsons</string>
     <plurals name="every_hours"><item quantity="one">Every hour</item><item quantity="other">Every %d hours</item></plurals>
     <plurals name="every_days"><item quantity="one">Every day</item><item quantity="other">Every %d days</item></plurals>
     <plurals name="every_weeks"><item quantity="one">Every week</item><item quantity="other">Every %d weeks</item></plurals>

app/src/main/res/xml/folders_preference.xml

@@ -118,6 +118,11 @@
         android:summary="@string/clear_temporary_files_summary"
         app:title="@string/clear_temporary_files" />
 
+    <Preference
+        app:icon="@drawable/ic_folder_delete"
+        app:key="clear_info_jsons"
+        app:title="@string/clear_info_json" />
+
     <Preference
         app:icon="@drawable/baseline_reset_tv_24"
         app:key="reset_preferences"