refactor: implement packet parsing heuristics and introduce device-level state caching to throttle database writes and vitals updates

fiveparaminte-main/config.py

@@ -8,6 +8,7 @@ class Settings(BaseSettings):
     contec_ports: list = [511, 515, 516, 517, 518, 519, 520]
     monitor_ip: str = ""
     monitor_model: str = "CMS7000PLUS"
+    device_models: dict = {}
     target_api_url: str = "https://api.example.com/vitals"
     api_token: str = ""
     retry_interval_seconds: int = 60
@@ -18,14 +19,27 @@ class Settings(BaseSettings):
         env_file = ".env"
 
 def get_settings() -> Settings:
-    config_file = "config.json"
+    base_dir = os.path.dirname(os.path.abspath(__file__))
+    config_file = os.path.join(base_dir, "config.json")
+    
+    settings_obj = Settings()
+    
     if os.path.exists(config_file):
         with open(config_file, "r") as f:
             try:
                 data = json.load(f)
-                return Settings(**data)
+                for k, v in data.items():
+                    setattr(settings_obj, k, v)
             except json.JSONDecodeError:
                 pass
-    return Settings()
+
+    if settings_obj.database_url.startswith("sqlite:///./"):
+        db_name = settings_obj.database_url.split("sqlite:///./")[1]
+        settings_obj.database_url = f"sqlite:///{os.path.join(base_dir, db_name)}"
+        
+    if not os.path.isabs(settings_obj.log_file):
+        settings_obj.log_file = os.path.join(base_dir, settings_obj.log_file)
+        
+    return settings_obj
 
 settings = get_settings()