fix hardware configuration file (#1896)

* fix hardware configuration file

* update default file

* msg

* improve

* don't fix all breaking changes after reset

data/config/configuration.json

@@ -1 +1 @@
-{"openwb-version": 1, "ripple_control_receiver_configured": false, "max_c_socket": 32}
+{"openwb-version": 1, "max_c_socket": 32, "dc_charging": false}

packages/helpermodules/hardware_configuration.py

@@ -1,15 +1,31 @@
+import logging
 import json
 import sys
 from typing import Dict, Optional
 
 from helpermodules.utils.json_file_handler import write_and_check
 
+log = logging.getLogger(__name__)
+
 HARDWARE_CONFIGURATION_FILE = "/home/openwb/configuration.json"
 
 
 def _read_configuration() -> Dict:
-    with open(HARDWARE_CONFIGURATION_FILE, "r") as f:
-        return json.loads(f.read())
+    for i in range(2):
+        try:
+            with open(HARDWARE_CONFIGURATION_FILE, "r") as f:
+                config = json.loads(f.read())
+            if isinstance(config, dict):
+                return config
+        except Exception:
+            # wird im else-Zweig abgefangen
+            pass
+    else:
+        log.error("Invalid configuration.json file. Creating new one with default values.")
+        with open("./data/config/configuration.json", "r") as f:
+            config_file = json.loads(f.read())
+        write_and_check(HARDWARE_CONFIGURATION_FILE, config_file)
+        return config_file
 
 
 def update_hardware_configuration(new_setting: Dict) -> None:

packages/helpermodules/update_config.py

@@ -617,7 +617,8 @@ def __update_version(self):
     def __solve_breaking_changes(self) -> None:
         """ solve breaking changes in the datastore
         """
-        datastore_version = decode_payload(self.all_received_topics.get("openWB/system/datastore_version")) or 0
+        datastore_version = (decode_payload(self.all_received_topics.get("openWB/system/datastore_version")) or
+                             self.DATASTORE_VERSION)
         log.debug(f"current datastore version: {datastore_version}")
         log.debug(f"target datastore version: {self.DATASTORE_VERSION}")
         for version in range(datastore_version, self.DATASTORE_VERSION):