Use async for data downloading

Code/python/main.py

@@ -1,4 +1,8 @@
 import typer
+import logging
+
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=logging.INFO)
 
 app = typer.Typer()
 
@@ -6,36 +10,28 @@ app = typer.Typer()
 @app.command()
 def fetch(file: str, delete_ignore: bool = False):
     from pathlib import Path
-    from adsbpy.fetch import fetch_lines
+    from adsbpy import fetch
+    import asyncio
 
     IGNORE_FILE = Path("adsbpy/.ignore")
     if delete_ignore and IGNORE_FILE.exists():
-        print(f"Deleting ignore file at {IGNORE_FILE}")
+        logger.warning(f"Deleting ignore file at {IGNORE_FILE}")
         IGNORE_FILE.unlink()
     ignore_list = []
     if IGNORE_FILE.exists():
-        print(f"Found ignore file at {IGNORE_FILE}")
+        logger.info(f"Found ignore file at {IGNORE_FILE}")
         with open(IGNORE_FILE) as f:
             ignore_list = [line.strip() for line in f.readlines() if line.strip()]
     else:
-        print("No ignore file found, starting fresh.")
+        logger.info("No ignore file found, starting fresh.")
         IGNORE_FILE.parent.mkdir(parents=True, exist_ok=True)
         IGNORE_FILE.touch()
     
     with open(file) as f:
         lines = f.readlines()
     lines = [line for line in lines if not line.strip() in ignore_list]
-    for line in lines:
-        try:
-            fetch_lines([line])
-        except KeyboardInterrupt:
-            print("Interrupted by user.")
-            break
-        else:
-            ignore_list.append(line.strip())
-            with open(IGNORE_FILE, "a") as f:
-                f.write(line)
-    print("Done.")
+    asyncio.run(fetch.process_days_concurrently(lines))
+    logger.info("Fetching process completed.")
 
 
 if __name__ == "__main__":