Upgrade e32 4.3.0 (rjwats#303)

* fix system reset service for esp32
* make missing directories when saving files

lib/framework/ESPFS.h

@@ -1,2 +1,7 @@
+#ifndef ESPFS_H_
+#define ESPFS_H_
+
 #include <LittleFS.h>
 #define ESPFS LittleFS
+
+#endif

lib/framework/FSPersistence.h

@@ -51,6 +51,9 @@ class FSPersistence {
     JsonObject jsonObject = jsonDocument.to<JsonObject>();
     _statefulService->read(jsonObject, _stateReader);
 
+    // make directories if required
+    mkdirs();
+
     // serialize it to filesystem
     File settingsFile = _fs->open(_filePath, "w");
 
@@ -87,6 +90,19 @@ class FSPersistence {
   size_t _bufferSize;
   update_handler_id_t _updateHandlerId;
 
+  // We assume we have a _filePath with format "/directory1/directory2/filename"
+  // We create a directory for each missing parent
+  void mkdirs() {
+    String path(_filePath);
+    int index = 0;
+    while ((index = path.indexOf('/', index + 1)) != -1) {
+      String segment = path.substring(0, index);
+      if (!_fs->exists(segment)) {
+        _fs->mkdir(segment);
+      }
+    }
+  }
+
  protected:
   // We assume the updater supplies sensible defaults if an empty object
   // is supplied, this virtual function allows that to be changed.

lib/framework/FactoryResetService.cpp

@@ -22,7 +22,9 @@ void FactoryResetService::factoryReset() {
   File root = fs->open(FS_CONFIG_DIRECTORY);
   File file;
   while (file = root.openNextFile()) {
-    fs->remove(file.name());
+    String path = file.path();
+    file.close();
+    fs->remove(path);
   }
 #elif defined(ESP8266)
   Dir configDirectory = fs->openDir(FS_CONFIG_DIRECTORY);