Add progress tracking for JSON file processing

twitch/management/commands/import_drops.py

@@ -1,9 +1,10 @@
 from __future__ import annotations
 
 import concurrent.futures
-import logging
 import shutil
+import time
 import traceback
+from datetime import timedelta
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
 
@@ -18,9 +19,7 @@ from twitch.utils.images import cache_remote_image
 
 if TYPE_CHECKING:
     from datetime import datetime
-
-
-logger: logging.Logger = logging.getLogger(__name__)
+    from typing import Literal
 
 
 def parse_date(value: str | None) -> datetime | None:
@@ -180,6 +179,8 @@ class Command(BaseCommand):
 
         total_files: int = len(json_files)
         self.stdout.write(f"Found {total_files} JSON files to process")
+        start_time: float = time.time()
+        processed = 0
 
         with concurrent.futures.ThreadPoolExecutor() as executor:
             future_to_file: dict[concurrent.futures.Future[None], Path] = {
@@ -200,9 +201,26 @@ class Command(BaseCommand):
                     self.stdout.write(self.style.ERROR(f"Data error processing {json_file}"))
                     self.stdout.write(self.style.ERROR(traceback.format_exc()))
 
+                self.update_processing_progress(total_files=total_files, start_time=start_time, processed=processed)
+
         msg: str = f"Processed {total_files} JSON files in {directory}. Moved processed files to {processed_path}."
         self.stdout.write(self.style.SUCCESS(msg))
 
+    def update_processing_progress(self, total_files: int, start_time: float, processed: int) -> None:
+        """Update and display processing progress.
+
+        Args:
+            total_files: Total number of files to process.
+            start_time: Timestamp when processing started.
+            processed: Number of files processed so far.
+        """
+        processed += 1
+        elapsed: float = time.time() - start_time
+        rate: float | Literal[0] = processed / elapsed if elapsed > 0 else 0
+        remaining: int = total_files - processed
+        eta: timedelta = timedelta(seconds=int(remaining / rate)) if rate > 0 else timedelta(seconds=0)
+        self.stdout.write(f"Progress: {processed}/{total_files} files - {rate:.2f} files/sec - ETA {eta}")
+
     def _process_file(self, file_path: Path, processed_path: Path) -> None:
         """Process a single JSON file.