added first versoin of the new document_parser utility and added it to the webdav file retrieval logic

nextcloud_mcp_server/config.py

@@ -1,4 +1,6 @@
 import logging.config
+import os
+from typing import Optional
 
 LOGGING_CONFIG = {
     "version": 1,
@@ -35,3 +37,26 @@ LOGGING_CONFIG = {
 
 def setup_logging():
     logging.config.dictConfig(LOGGING_CONFIG)
+
+
+# Document Parsing Configuration
+def get_unstructured_api_url() -> Optional[str]:
+    """Get the Unstructured API URL from environment variables.
+    
+    Returns:
+        The Unstructured API URL if parsing is enabled, None otherwise.
+    """
+    enabled = os.getenv("ENABLE_UNSTRUCTURED_PARSING", "true").lower() == "true"
+    if not enabled:
+        return None
+    
+    return os.getenv("UNSTRUCTURED_API_URL", "http://unstructured:8000")
+
+
+def is_unstructured_parsing_enabled() -> bool:
+    """Check if unstructured document parsing is enabled.
+    
+    Returns:
+        True if enabled, False otherwise.
+    """
+    return os.getenv("ENABLE_UNSTRUCTURED_PARSING", "true").lower() == "true"