feat: support login

- migrate old API into typescript but not finished (only webLogin works now)
- seperate the logger of backend due to the shitty behavior of Flask (change logging level)

backend/coconut-leaf.py

@@ -1,12 +1,14 @@
 import sys
-import logging
 from argparse import ArgumentParser
 from typing import cast
 from pathlib import Path
+
 import server
 import config
 import utils
 import database
+import logger
+from logger import LOGGER, LoggerLevel
 
 
 def GetUsernamePassword() -> tuple[str, str]:
@@ -26,15 +28,10 @@ def GetUsernamePassword() -> tuple[str, str]:
 
     return (username, password)
 
-
-def SetLoggingStyle(level: int) -> None:
-    logging.basicConfig(format="[%(levelname)s] %(message)s", level=level)
-
-
 if __name__ == "__main__":
     # Set as INFO level in default first,
     # and we will change it once we load the configuration file.
-    SetLoggingStyle(logging.INFO)
+    logger.set_level(LoggerLevel.INFO)
 
     # Receive arguments
     parser = ArgumentParser(
@@ -60,21 +57,21 @@ if __name__ == "__main__":
     args = parser.parse_args()
 
     # Show splash
-    logging.info("Coconut-leaf")
-    logging.info("A light, self-host and multi-account calendar system")
-    logging.info("Project: https://github.com/yyc12345/coconut-leaf")
-    logging.info("===================")
+    LOGGER.info("Coconut-leaf")
+    LOGGER.info("A light, self-host and multi-account calendar system")
+    LOGGER.info("Project: https://github.com/yyc12345/coconut-leaf")
+    LOGGER.info("===================")
 
     # Load config file
     try:
         config.setup_config(cast(Path, args.config))
     except Exception as e:
-        logging.critical(f"Error loading config file: {e}")
+        LOGGER.critical(f"Error loading config file: {e}")
         sys.exit(1)
 
     # Change logging level again according to whether enable debug mode
-    logging_level = logging.DEBUG if config.get_config().others.debug else logging.INFO
-    SetLoggingStyle(logging_level)
+    logging_level = LoggerLevel.DEBUG if config.get_config().others.debug else LoggerLevel.INFO
+    logger.set_level(logging_level)
 
     # Initialize the calendar system if needed
     if cast(bool, args.init):
@@ -83,5 +80,5 @@ if __name__ == "__main__":
         calendar.init(*gotten_data)
         calendar.close()
 
-    logging.info("Staring server...")
+    LOGGER.info("Staring server...")
     server.run()