552 lines
22 KiB
Python
552 lines
22 KiB
Python
"""
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AUTHOR:
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Khushal P Soonderji
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DATE:
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tuesday, 3rd Dec., 2024
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OBJECTIVE:
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From here we sync all mails between the mail client's server and TheCAOffice's database.
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REFERENCES:
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N/A
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DOWNLOADS:
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N/A
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"""
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# *****************************************************************************************************************
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# ***** ****
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# *** IMPORT ***
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# ***** ****
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# *****************************************************************************************************************
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# To make sibling directories accessible for imports:
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import sys
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from logging import exception
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sys.path.append(".")
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sys.path.append("..")
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# For Quart:
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from quart import current_app
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# My async utils:
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from utils_v2.string import json
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from utils_v2.date_time import date_time
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from utils_v2.database.async_mysql_v2 import AsyncMySQL
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from utils_v2.database.async_mongo_v2 import AsyncMongo, AsyncMongoStorage
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# Mail Clients:
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from utils_v2.goog.gmail.gmail_client import AsyncGMailClient
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from utils_v2.goog.models.data.auth_tokens import GoogleAuthTokens
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# Base model:
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from models.behaviour.base import BaseModel
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# Data models:
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from models.data.mail.sync import MailSyncOneResult, MailSyncManyResults
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# To work with MongoDB:
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from bson import ObjectId
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from pymongo import InsertOne, UpdateOne, ReplaceOne
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# To work with LLMs:
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from langchain_openai import ChatOpenAI
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from langchain_core.prompts import ChatPromptTemplate
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# To work with datatypes:
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from typing import Literal, List, Dict, Any
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# To make deep-copies:
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import copy
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# To work with base-64 encoding:
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import base64
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# To work with date and time:
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import datetime
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# For asynchronous activities:
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import asyncio
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# *****************************************************************************************************************
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# ***** ****
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# *** MACROS / ONE-TIME INIT ***
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# ***** ****
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# *****************************************************************************************************************
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# --- Nothing Yet
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# *****************************************************************************************************************
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# ***** ****
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# *** VARIABLES ***
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# ***** ****
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# *****************************************************************************************************************
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# --- Nothing Yet
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# *****************************************************************************************************************
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# ***** ****
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# *** FUNCTIONS ***
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# ***** ****
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# *****************************************************************************************************************
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# --- Nothing Yet
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# *****************************************************************************************************************
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# ***** ****
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# *** CLASSES ***
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# ***** ****
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# *****************************************************************************************************************
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class MailSyncModel(BaseModel):
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# For MongoDB:
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AUTH_COLLECTION = "_authTokens"
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MAIL_COLLECTION = "_messages"
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# For AI Magic through LLMs:
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prompt_template = ChatPromptTemplate.from_messages([
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(
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"system",
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"You're a mail summary expert that summarizes mails in 150 chars or less. HIDE SENSITIVE INFO (LIKE OTPs) FROM THE SUMMARY."
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),
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(
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"user",
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"Please summarize this mail: \"\"\"{mail}\"\"\""
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)
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])
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@staticmethod
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async def __save_one_attachment(
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session_token: str,
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attachment: Dict[str, Any],
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attachment_tags: List[str],
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attachment_metadata: dict,
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retry_count: int = 1,
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retry_delay: int = 1,
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backoff_multiplier: float = 1.1
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) -> Dict[str, Any]:
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"""
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Saves one attachment and generates a URL that can be later used to retrieve it.
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:param session_token: The session token of the uer who is trying to upload this file.
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:param attachment: The JSON that describes the attachment.
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:param attachment_tags: Any tags to put on the file for easy search later.
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:param attachment_metadata: Any metadata to put on the file for easy search later.
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:param retry_count: How many max. retries to do in case of failure.
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:param retry_delay: The interval between the delays.
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:param backoff_multiplier: By what rate the delay between 2 attempts must change.
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:return: The JSON that describes the same attachment, except that the payload's data is replaced by the id and
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url of where to find the attachment.
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"""
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# Make a deep-copy of the attachment JSON,
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# and process the payload in advance:
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attachment_copy = copy.deepcopy(attachment)
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attachment_payload = attachment_copy.pop("payload").encode()
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if attachment_copy.pop("contentTransferEncoding", "?").strip().lower() == "base64":
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attachment_payload = base64.b64decode(attachment_payload)
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# Start by assuming failure,
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# and retry as many times as asked:
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attachment_copy["id"] = None
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attachment_copy["url"] = None
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for _ in range(retry_count):
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# Make the upload:
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api_response = await current_app.http_client.post(
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url = current_app.script_data["fileUpload"]["url"],
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headers = {
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"X-Session-Token": session_token,
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"X-File-Name": attachment["filename"],
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"X-File-Private": "false",
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"X-File-Tags": json.to_string(attachment_tags, no_space = True),
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"X-File-Metadata": json.to_string(attachment_metadata, no_space = True)
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},
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data = attachment_payload
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)
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# If the upload was successful:
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if api_response.status_code in [200]:
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api_data = api_response.json()["data"]
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attachment_copy["id"] = api_data["id"]
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attachment_copy["url"] = api_data["url"]
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break
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# Done here:
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return attachment_copy
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async def __save_many_attachments(
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self,
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session_token: str,
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attachments: List[Dict[str, Any]],
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attachment_tags: List[str],
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attachment_metadata: dict,
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retry_count: int = 1,
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retry_delay:int = 1,
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backoff_multiplier: float = 1.1
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) -> List[Dict[str, Any]]:
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"""
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Saves all the attachments received in the mail (whether inline or otherwise) and makes them available through
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simple download URLs.
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:param session_token: The session token of the uer who is trying to upload this file.
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:param attachments: The JSON that describes the attachments.
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:param attachment_tags: Any tags to put on the file for easy search later.
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:param attachment_metadata: Any metadata to put on the file for easy search later.
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:param retry_count: How many max. retries to do in case of failure.
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:param retry_delay: The interval between the delays.
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:param backoff_multiplier: By what rate the delay between 2 attempts must change.
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:return: The JSON that describes the same attachments, except that the payload's data is replaced by the id and
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url of where to find each attachment.
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"""
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# Create and fire all the tasks
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# needed to save the files:
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tasks = [
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self.__save_one_attachment(
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session_token = session_token,
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attachment = attachment,
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attachment_tags = attachment_tags,
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attachment_metadata = attachment_metadata,
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retry_count = retry_count,
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retry_delay = retry_delay,
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backoff_multiplier = backoff_multiplier
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) for attachment in attachments
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]
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uploaded_attachments = await asyncio.gather(*tasks)
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# Done here:
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return uploaded_attachments
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async def __sync_one_gmail(
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self,
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session_token: str,
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mongo_conn: AsyncMongo,
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mail_client: AsyncGMailClient,
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tokens: GoogleAuthTokens,
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message_id: str,
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llm: ChatOpenAI = None,
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force_sync: bool = False
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) -> MailSyncOneResult:
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"""
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Sync on mail from GMail.
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:param session_token: The session token of the uer who is trying to upload this file.
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:param mongo_conn: The instance of the connection to the database to use.
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:param mail_client: The instance of the mail client to use to perform the action.
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:param tokens: The tokens to use to fetch the mails.
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:param message_id: The id that Google uses to identify this mail. This will be received in the 'list_messages'
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method.
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:param llm: The instance of the LLM to use to summarize the mail's content.
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:param force_sync: Whether you would like to forcefully re-sync the mail even if it is already present in the
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database.
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:return:
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"""
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# Start by assuming failure:
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sync_result = MailSyncOneResult()
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# If we've not been forced to re-sync the mail message,
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# we first check if the mail already exists in our database:
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if not force_sync:
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mail_record = await mongo_conn.find_one(
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collection = self.MAIL_COLLECTION,
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filter = mongo_conn.dict_to_dot_notation({
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"payload": {
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"messageId": message_id
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}
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}),
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projection = {
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"_id": False,
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"readTs": "payload.readTs"
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}
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)
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if mail_record:
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sync_result.success = True
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sync_result.message = f"gmail message '{message_id}' already sync'd on '{mail_record['readTs']} (UTC)'"
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return sync_result
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# Now that we know that we have to fetch the mail from GMail:
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client_response = await mail_client.get_message(
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tokens = tokens,
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message_id = message_id,
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return_raw = False
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)
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if not client_response.success:
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sync_result.message = f"gmail (messageId: '{message_id}'): {client_response.message}"
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# We upload the attachments:
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client_response.data["attachments"] = await self.__save_many_attachments(
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session_token = session_token,
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attachments = client_response.data["attachments"],
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attachment_tags = [
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"email",
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"gmail",
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client_response.data["from"][0]["name"],
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client_response.data["from"][0]["email"],
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tokens.email,
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],
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attachment_metadata = {
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"project": "tcaoff",
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"serviceType": "email",
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"client": "gmail",
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"from": client_response.data["from"][0]["email"],
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"to": tokens.email
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},
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retry_count = 3
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)
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# Give a quick indicator of whether this mail is an inbox mail or sent mail:
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all_recipients = []
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for field in ["to", "cc", "bcc"]: all_recipients += [item["email"] for item in client_response.data[field]]
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if tokens.email in all_recipients: client_response.data["isInbox"] = True
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else: client_response.data["isInbox"] = False
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# If an LLM is given, we add an AI summary:
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llm_json = None
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if llm:
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llm_response = response = await llm.ainvoke(
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self.prompt_template.invoke({
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"mail": client_response.data["unformattedText"]
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})
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)
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llm_json = {
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"snippet": llm_response.content,
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"usage": llm_response.usage_metadata
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}
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client_response.data["aiSnippet"] = llm_json
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# Done here:
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sync_result.success = True
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sync_result.mailMessage = client_response.data
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return sync_result
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async def __sync_many_gmail(
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self,
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session_token: str,
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mongo_conn: AsyncMongo,
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account_identifier: ObjectId,
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mail_client: AsyncGMailClient,
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tokens: GoogleAuthTokens,
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llm: ChatOpenAI = None,
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force_sync: bool = False,
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start_date: datetime.datetime = None,
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end_date: datetime.datetime = None,
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max_count: int = 100
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) -> MailSyncManyResults:
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"""
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Sync many mails from GMail in one shot.
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:param session_token: The session token of the uer who is trying to upload this file.
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:param mongo_conn: The instance of the connection to the database to use.
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:param account_identifier: The id of the document in the database that holds the tokens to access the account.
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Needed only for refreshing the tokens and saving them.
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:param mail_client: The instance of the mail client to use to perform the action.
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:param tokens: The tokens to use to fetch the mails.
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:param llm: The instance of the LLM to use to summarize the mail's content.
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:param force_sync: Whether you would like to forcefully re-sync the mail even if it is already present in the
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database.
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:param start_date: The starting date (inclusive) from when to sync the mails.
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:param end_date: The ending date (inclusive) from when to sync the mails.
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:param max_count: The max. no. of mails to sync.
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:return: The result of the sync'ing.
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"""
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# Start by assuming failure:
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sync_results = MailSyncManyResults()
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# Refresh the tokens (if needed):
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tokens_refreshed = await tokens.arefresh(
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http_client = current_app.http_client,
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client_id = mail_client.client_id,
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client_secret = mail_client.client_secret
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)
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if tokens_refreshed: await current_app.mail_oauth_model.set_token(
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db_conn = current_app.sql_writer,
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mongo_conn = mongo_conn,
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account_identifier = account_identifier,
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email_id = tokens.email,
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token = tokens,
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session_token = session_token
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)
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# Let's build the query:
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sub_queries = []
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if start_date: sub_queries.append(start_date.strftime("after:%Y/%m/%d"))
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if end_date: sub_queries.append((end_date + datetime.timedelta(days = 1)).strftime("before:%Y/%m/%d"))
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query_string = " ".join(sub_queries)
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# Let's enlist all the mails that fall in the date range:
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client_response = await mail_client.list_messages(
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tokens = tokens,
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max_count = max_count,
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query = query_string
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)
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if not client_response.success:
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sync_results["message"] = f"gmail: {client_response.message}"
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return sync_results
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messages_list = client_response.data["messages"]
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# Now, for every mail in the list, we fetch the mail and note the results:
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tasks = [
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self.__sync_one_gmail(
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session_token = session_token,
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mongo_conn = mongo_conn,
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mail_client = mail_client,
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tokens = tokens,
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message_id = v["id"],
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llm = llm,
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force_sync = force_sync
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) for v in messages_list.values()
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]
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individual_sync_results = await asyncio.gather(*tasks)
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# Now we create operations for each mail,
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# and maintain success/failure counters:
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sync_results.totalCount = len(individual_sync_results)
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mongo_operations = []
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for result in individual_sync_results:
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if result.success: sync_results.successCount += 1
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else: sync_results.failureCount += 1
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if result.mailMessage: mongo_operations.append(ReplaceOne(
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filter = {
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"serviceType": "email",
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"$or": [
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{
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"client": "gmail",
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"payload.messageId": result.mailMessage["messageId"]
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}
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]
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},
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replacement = {
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"version": "1.0.0",
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"accountId": ObjectId(account_identifier),
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"serviceType": "email",
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"client": "gmail",
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"payload": result.mailMessage
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},
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upsert = True
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))
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# Make the bulk write:
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if mongo_operations:
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mongo_count = await mongo_conn.bulk_write(
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collection = self.MAIL_COLLECTION,
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requests = mongo_operations
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)
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# Apply the labels to the read messages:
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try: client_response = await mail_client.modify_messages(
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tokens = tokens,
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message_ids = [v["id"] for v in messages_list],
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add_label_ids = [tokens.labels.get("TCAOFF")]
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)
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except Exception as exception: self._printer(exception)
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# Done here:
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sync_results.message = f"{sync_results.successCount}/{sync_results.totalCount} mail(s) sync'd from gmail"
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return sync_results
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async def sync(
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self,
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session_token: str,
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mongo_conn: AsyncMongo,
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account_identifier: ObjectId,
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llm: ChatOpenAI = None,
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force_sync: bool = False,
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start_date: datetime.datetime = None,
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end_date: datetime.datetime = None,
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max_count: int = 100
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) -> MailSyncManyResults:
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"""
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Sync many mails at once from many types of clients. Use this as a common entry point after which you internally
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route the request to the appropriate clients.
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:param session_token: The session token of the uer who is trying to upload this file.
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:param mongo_conn: The instance of the connection to the database to use.
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:param account_identifier: The id of the document in the database that holds the tokens to access the account.
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Needed only for refreshing the tokens and saving them.
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:param llm: The instance of the LLM to use to summarize the mail's content.
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:param force_sync: Whether you would like to forcefully re-sync the mail even if it is already present in the
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database.
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:param start_date: The starting date (inclusive) from when to sync the mails.
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:param end_date: The ending date (inclusive) from when to sync the mails.
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:param max_count: The max. no. of mails to sync.
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:return: The result of the sync'ing.
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"""
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# Start by assuming failure:
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sync_results = MailSyncManyResults()
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|
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# ┏┓ ┓ ┏┳┓ ┓
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# ┣ ┏┓╋┏┣┓ ┃ ┏┓┃┏┏┓┏┓┏
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# ┻ ┗ ┗┗┛┗ ┻ ┗┛┛┗┗ ┛┗┛
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# We first load the authorization tokens:
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auth_json = await current_app.mail_oauth_model.get_token(
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mongo_conn = mongo_conn,
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account_identifier = account_identifier,
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)
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# If we failed to load the authorization tokens:
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if not auth_json:
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sync_results.message = f"no such account identifier '{account_identifier}'"
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return sync_results
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|
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# ┏┓ ┏┓┳┳┓ •┓
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# ┣ ┏┓┏┓ ┃┓┃┃┃┏┓┓┃
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# ┻ ┗┛┛ ┗┛┛ ┗┗┻┗┗
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|
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if auth_json["client"] == "gmail":
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return await self.__sync_many_gmail(
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session_token = session_token,
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mongo_conn = mongo_conn,
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account_identifier = account_identifier,
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mail_client = current_app.gmail_client,
|
|
tokens = GoogleAuthTokens(**auth_json["token"]),
|
|
llm = llm,
|
|
force_sync = force_sync,
|
|
start_date = start_date,
|
|
end_date = end_date,
|
|
max_count = max_count
|
|
)
|
|
|
|
# ┳ ┓• ┓ ┏┓┓•
|
|
# ┃┏┓┓┏┏┓┃┓┏┫ ┃ ┃┓┏┓┏┓╋
|
|
# ┻┛┗┗┛┗┻┗┗┗┻ ┗┛┗┗┗ ┛┗┗
|
|
|
|
# If we haven't been able to sync mail due to not entering any 'if' condition:
|
|
sync_results.message = f"no such mail client '{auth_json['client']}'"
|
|
return sync_results
|
|
|
|
|
|
# *****************************************************************************************************************
|
|
# ***** ****
|
|
# *** MAIN PROGRAM ***
|
|
# ***** ****
|
|
# *****************************************************************************************************************
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
pass
|