gateway/modules/chat/documents/documentCreation.py
2025-07-18 14:20:11 +02:00

124 lines
No EOL
6.2 KiB
Python

# Contains all document creation functions extracted from managerChat.py
import logging
import json
from typing import Dict, Any, Optional, List, Union
from datetime import datetime, UTC
class DocumentCreator:
def __init__(self, service):
self.service = service
def getFileExtension(self, filename: str) -> str:
"""Extract file extension from filename"""
return self.service.getFileExtension(filename)
def getMimeType(self, extension: str) -> str:
"""Get MIME type based on file extension"""
return self.service.getMimeTypeFromExtension(extension)
def detectMimeTypeFromContent(self, content: Any, filename: str) -> str:
"""
Detect MIME type from content and filename using service center.
Only returns a detected MIME type if it's better than application/octet-stream.
"""
try:
if isinstance(content, str):
file_bytes = content.encode('utf-8')
elif isinstance(content, dict):
file_bytes = json.dumps(content, ensure_ascii=False).encode('utf-8')
else:
file_bytes = str(content).encode('utf-8')
detected_mime_type = self.service.detectContentTypeFromData(file_bytes, filename)
if detected_mime_type != "application/octet-stream":
return detected_mime_type
return "application/octet-stream"
except Exception as e:
logging.warning(f"Error in MIME type detection for {filename}: {str(e)}")
return 'application/octet-stream'
def detectMimeTypeFromDocument(self, document: Any, filename: str) -> str:
"""
Detect MIME type from document object using service center.
Only returns a detected MIME type if it's better than application/octet-stream.
"""
try:
content = getattr(document, 'content', '')
if isinstance(content, str):
file_bytes = content.encode('utf-8')
else:
file_bytes = str(content).encode('utf-8')
detected_mime_type = self.service.detectContentTypeFromData(file_bytes, filename)
if detected_mime_type != "application/octet-stream":
return detected_mime_type
return "application/octet-stream"
except Exception as e:
logging.warning(f"Error in MIME type detection for document {filename}: {str(e)}")
return 'application/octet-stream'
def convertDocumentDataToString(self, document_data: Dict[str, Any], file_extension: str) -> str:
"""Convert document data to string content based on file type with enhanced processing"""
try:
if document_data is None:
return ""
if isinstance(document_data, str):
return document_data
if isinstance(document_data, dict):
if file_extension == 'json':
return json.dumps(document_data, indent=2, ensure_ascii=False)
elif file_extension in ['txt', 'md', 'html', 'css', 'js', 'py']:
text_fields = ['content', 'text', 'data', 'result', 'summary', 'extracted_content', 'table_data']
for field in text_fields:
if field in document_data:
content = document_data[field]
if isinstance(content, str):
return content
elif isinstance(content, (dict, list)):
return json.dumps(content, indent=2, ensure_ascii=False)
return json.dumps(document_data, indent=2, ensure_ascii=False)
elif file_extension == 'csv':
csv_fields = ['table_data', 'csv_data', 'rows', 'data', 'content', 'text']
for field in csv_fields:
if field in document_data:
content = document_data[field]
if isinstance(content, str):
return content
elif isinstance(content, list):
if content and isinstance(content[0], (list, dict)):
import csv
import io
output = io.StringIO()
if isinstance(content[0], dict):
if content:
fieldnames = content[0].keys()
writer = csv.DictWriter(output, fieldnames=fieldnames)
writer.writeheader()
writer.writerows(content)
else:
writer = csv.writer(output)
writer.writerows(content)
return output.getvalue()
return json.dumps(document_data, indent=2, ensure_ascii=False)
else:
return json.dumps(document_data, indent=2, ensure_ascii=False)
elif isinstance(document_data, list):
if file_extension == 'csv':
import csv
import io
output = io.StringIO()
if document_data and isinstance(document_data[0], dict):
fieldnames = document_data[0].keys()
writer = csv.DictWriter(output, fieldnames=fieldnames)
writer.writeheader()
writer.writerows(document_data)
else:
writer = csv.writer(output)
writer.writerows(document_data)
return output.getvalue()
else:
return json.dumps(document_data, indent=2, ensure_ascii=False)
else:
return str(document_data)
except Exception as e:
logging.error(f"Error converting document data to string: {str(e)}")
return str(document_data)