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| # src/db/mongodb_store.py | |
| from motor.motor_asyncio import AsyncIOMotorClient | |
| from datetime import datetime | |
| from typing import List, Dict, Optional, Any | |
| from bson import ObjectId | |
| class MongoDBStore: | |
| def __init__(self, mongo_uri: str = "mongodb://localhost:27017"): | |
| """Initialize MongoDB connection""" | |
| self.client = AsyncIOMotorClient(mongo_uri) | |
| self.db = self.client.db_chatbot | |
| self.chat_history = self.db.chat_history | |
| self.documents = self.db.knowledge_base | |
| async def store_document( | |
| self, | |
| document_id: str, | |
| filename: str, | |
| content_type: str, | |
| file_size: int, | |
| url_path: str | |
| ) -> str: | |
| """Store document metadata in MongoDB""" | |
| document = { | |
| "document_id": document_id, | |
| "filename": filename, | |
| "content_type": content_type, | |
| "file_size": file_size, | |
| "url_path": url_path, | |
| "upload_timestamp": datetime.now() | |
| } | |
| await self.documents.insert_one(document) | |
| return document_id | |
| async def get_document(self, document_id: str) -> Optional[Dict]: | |
| """Retrieve document by ID""" | |
| return await self.documents.find_one( | |
| {"document_id": document_id}, | |
| {"_id": 0} | |
| ) | |
| async def get_all_documents(self) -> List[Dict]: | |
| """Retrieve all documents""" | |
| cursor = self.documents.find( | |
| {}, | |
| { | |
| "_id": 0, | |
| "document_id": 1, | |
| "filename": 1, | |
| "content_type": 1, | |
| "file_size": 1, | |
| "url_path": 1, | |
| "upload_timestamp": 1 | |
| } | |
| ) | |
| return await cursor.to_list(length=None) | |
| async def store_message( | |
| self, | |
| conversation_id: str, | |
| query: str, | |
| response: str, | |
| context: List[str], | |
| sources: List[Dict], | |
| llm_provider: str | |
| ) -> str: | |
| """Store chat message in MongoDB""" | |
| document = { | |
| "conversation_id": conversation_id, | |
| "timestamp": datetime.now(), | |
| "query": query, | |
| "response": response, | |
| "context": context, | |
| "sources": sources, | |
| "llm_provider": llm_provider, | |
| "feedback": None, | |
| "rating": None | |
| } | |
| result = await self.chat_history.insert_one(document) | |
| return str(result.inserted_id) | |
| async def get_conversation_history(self, conversation_id: str) -> List[Dict]: | |
| """Retrieve conversation history""" | |
| cursor = self.chat_history.find( | |
| {"conversation_id": conversation_id} | |
| ).sort("timestamp", 1) | |
| history = [] | |
| async for document in cursor: | |
| document["_id"] = str(document["_id"]) | |
| history.append(document) | |
| return history | |
| async def update_feedback( | |
| self, | |
| conversation_id: str, | |
| feedback: Optional[str], | |
| rating: Optional[int] | |
| ) -> bool: | |
| """Update feedback for a conversation""" | |
| result = await self.chat_history.update_many( | |
| {"conversation_id": conversation_id}, | |
| { | |
| "$set": { | |
| "feedback": feedback, | |
| "rating": rating | |
| } | |
| } | |
| ) | |
| return result.modified_count > 0 | |
| async def get_messages_for_summary(self, conversation_id: str) -> List[Dict]: | |
| """Get messages in format suitable for summarization""" | |
| cursor = self.chat_history.find( | |
| {"conversation_id": conversation_id} | |
| ).sort("timestamp", 1) | |
| messages = [] | |
| async for doc in cursor: | |
| messages.append({ | |
| 'role': 'user' if doc['query'] else 'assistant', | |
| 'content': doc['query'] or doc['response'], | |
| 'timestamp': doc['timestamp'], | |
| 'sources': doc['sources'] | |
| }) | |
| return messages | |
| async def delete_document(self, document_id: str) -> bool: | |
| """Delete document from MongoDB""" | |
| result = await self.documents.delete_one({"document_id": document_id}) | |
| return result.deleted_count > 0 |