Upload New File

import uuid

import re

import sqlite3  # Or your preferred database library

from langchain.tools import BaseTool

class EmailInputTool(BaseTool):

    name = "email_input"

    description = "Retrieves user questions from email."

    def __init__(self, email_registry, db_cursor, cache):

        super().__init__()

        self.email_registry = email_registry

        self.db_cursor = db_cursor

        self.cache = cache

    def _run(self):

        # 1. Fetch new emails from the local mail server

        new_emails = fetch_new_emails_from_outlook()

        for email in new_emails:

            sender_email = email.get('from')

            # 2. Check if the sender is in the registry

            if sender_email in self.email_registry:

                # 3a. If registered, process the email

                extracted_question = self._extract_question_from_email(email)

                submission_uid = str(uuid.uuid4())

                in_reply_to_uid = self._extract_uid_from_reply(email)

                if in_reply_to_uid:

                    # Handle follow-up question

                    context = self.cache.get(in_reply_to_uid)

                    if context:

                        # Store follow-up question in the database

                        self._store_interaction_in_db(

                            submission_uid, sender_email, question=extracted_question, 

                            status="follow_up", other_metadata={"in_reply_to_uid": in_reply_to_uid}

                        )

                        return {"question": extracted_question, "uid": submission_uid, "context": context}

                    else:

                        # Handle case where context is not found

                        error_message = "Context not found. Please rephrase your question or start a new conversation."

                        self._send_error_email(sender_email, error_message, submission_uid)

                        return None  # No question to process

                # Store new question in the database

                self._store_interaction_in_db(submission_uid, sender_email, question=extracted_question)

                return {"question": extracted_question, "uid": submission_uid, "context": None}

            else:

                # 3b. If not registered, send an automated reply

                reply_uid = str(uuid.uuid4())

                self._send_registration_instructions(sender_email, reply_uid)

                # Store automated reply interaction in the database

                self._store_interaction_in_db(reply_uid, sender_email, status="registration_reply")

        # If no new emails from registered users, return None

        return None

    def _extract_question_from_email(self, email):

        # Placeholder: Implement your email parsing logic here to extract the question from the email body

        # You'll likely need to use the Microsoft Graph API or a suitable library to access the email content

        # ...

        raise NotImplementedError("Implement _extract_question_from_email using Outlook 365 API")

    def _extract_uid_from_reply(self, email):

        # Placeholder: Implement your logic to extract the UID from a reply email

        # You might look for a specific pattern or header in the email

        # ...

        raise NotImplementedError("Implement _extract_uid_from_reply using Outlook 365 API")

    def _send_registration_instructions(self, email_address, reply_uid):

        # Placeholder: Construct and send the automated registration email using Outlook 365 API

        # Include the reply_uid in the email body

        # ...

        raise NotImplementedError("Implement _send_registration_instructions using Outlook 365 API")

    def _send_error_email(self, email_address, error_message, submission_uid):

        # Placeholder: Construct and send an error email to the user using Outlook 365 API

        # Include the submission_uid in the email body

        # ...

        raise NotImplementedError("Implement _send_error_email using Outlook 365 API")

    def _store_interaction_in_db(self, uid, sender_email, question=None, answer=None, status="received", other_metadata=None):

        self.db_cursor.execute('''

            INSERT INTO email_interactions (uid, sender_email, timestamp, question, answer, status, other_metadata)

            VALUES (?, ?, datetime('now'), ?, ?, ?, ?)

        ''', (uid, sender_email, question, answer, status, other_metadata))

        conn.commit()

 No newline at end of file