Added better GMail handling and multi file type support

app/tasks/convert_to_pdf.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+import os
+import requests
+import logging
+from celery import shared_task
+from app.config import settings
+from app.tasks.upload_to_s3 import upload_to_s3
+
+logger = logging.getLogger(__name__)
+
+@shared_task
+def convert_to_pdf(file_path):
+    """
+    Converts a file to PDF using Gotenberg's API.
+    On success, saves the PDF locally and enqueues it for S3 upload.
+    """
+    # Ensure that settings contain the Gotenberg URL (e.g., "http://gotenberg:3000")
+    gotenberg_url = getattr(settings, "gotenberg_url", None)
+    if not gotenberg_url:
+        logger.error("Gotenberg URL is not configured in settings.")
+        return
+
+    try:
+        with open(file_path, "rb") as f:
+            files = {"file": f}
+            # Adjust the endpoint path if needed.
+            response = requests.post(f"{gotenberg_url}/convert", files=files)
+        if response.status_code == 200:
+            converted_file_path = os.path.splitext(file_path)[0] + ".pdf"
+            with open(converted_file_path, "wb") as f:
+                f.write(response.content)
+            logger.info(f"Converted file saved as PDF: {converted_file_path}")
+            # Enqueue the upload of the converted PDF.
+            upload_to_s3.delay(converted_file_path)
+            return converted_file_path
+        else:
+            logger.error(f"Conversion failed for {file_path}. Status code: {response.status_code}")
+    except Exception as e:
+        logger.exception(f"Error converting {file_path} to PDF: {e}")