Files

229 lines
9.1 KiB
Python

"""
AUTHOR:
Khushal P Soonderji
DATE:
Saturday, 21st Dec., 2024
OBJECTIVE:
To handle all trading related behaviour from one place.
REFERENCES:
N/A
DOWNLOADS:
N/A
"""
# *****************************************************************************************************************
# ***** ****
# *** IMPORT ***
# ***** ****
# *****************************************************************************************************************
# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")
# My async utils:
from utils_v2.database.async_mysql_v2 import AsyncMySQL
from utils_v2.database.async_mongo_v2 import AsyncMongo
from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
# Controllers:
from controllers_v2.core.auth_token import CoreAuthTokenController
# Models:
from models.core.auth_token import CoreAuthTokenModel
from models.api.finstitutions.trading.symbols.list import TradingSymbolListRequestData
from models.finstitutions.trading.symbols import TradingSymbolListBrokerResponse
from models.finstitutions.trading.oauth import TradingOAuthCallbackResponse
# To work with datatypes:
from typing import List, Any
# To make HTTP requests:
import httpx
# To make abstract classes:
from abc import ABC, abstractmethod
# *****************************************************************************************************************
# ***** ****
# *** MACROS / ONE-TIME INIT ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** VARIABLES ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** FUNCTIONS ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** CLASSES ***
# ***** ****
# *****************************************************************************************************************
class TradingController(CoreAuthTokenController, ABC):
# ┏┓┓ ┓┏
# ┃ ┃┏┓┏┏ ┃┃┏┓┏┓┏
# ┗┛┗┗┻┛┛ ┗┛┗┻┛ ┛
SERVICE_TYPE = "stockTrading"
# ┏┓
# ┃ ┏┓┏┓┏╋┏┓┓┏┏╋┏┓┏┓
# ┗┛┗┛┛┗┛┗┛ ┗┻┗┗┗┛┛
def __init__(
self,
cache: AsyncRedisCache = None,
http_client: httpx.AsyncClient = None,
alert_url: str = None,
base_filter: dict = None,
debug: bool = True,
debug_prefix: str = "Trading (C) | ",
debug_only_errors: bool = True
):
"""
This is the foundational controller for all trading/stockbroking services. This is built on top of the
authorization model, and, in turn, the individual stockbroking clients should be built on top of this.
:param cache: The object to use for caching results from database calls.
:param http_client: The HTTP client
:param base_filter: The basic filter that will be applied to all fetching/updating queries. WARNING: THE BASE
FILTER WILL ALWAYS BE APPLIED AUTOMATICALLY. SET THIS UP WISELY.
:param debug: Whether, or not, you would like to print debugging messages:
:param debug_prefix: The prefix to print with the debugging messages.
:param debug_only_errors: Whether you would like to print only error messages or all messages.
:return: None.
"""
# Prepare base filter:
this_filter = {}
for k, v in (base_filter or {}).items(): this_filter[k] = v
this_filter["serviceType"] = self.SERVICE_TYPE
# Invoke the parent's constructor:
CoreAuthTokenController.__init__(
self,
cache = cache,
alert_url = alert_url,
http_client = http_client,
base_filter = this_filter,
debug = debug,
debug_prefix = debug_prefix,
debug_only_errors = debug_only_errors
)
# Init a variable in a parent:
self._service_type = self.SERVICE_TYPE
# ┏┓ ┓
# ┣┫┓┏╋┣┓
# ┛┗┗┻┗┛┗
@staticmethod
@abstractmethod
async def get_authorization_url(
**kwargs
) -> str:
"""
To generate an authorization URL for this broker.
:param kwargs: Any no. of things needed by your broker to generate the URL.
:return: The authorization URL.
"""
pass
@abstractmethod
async def handle_authorization_callback(
self,
sql_conn: AsyncMySQL,
mongo_data_conn: AsyncMongo,
inbound_data: dict,
client_user_id: str
) -> TradingOAuthCallbackResponse:
"""
When the end user interacts with their broker's APIs, the broker's servers would usually issue a callback.
We've seen this in the case of Zerodha Kite and ICICI Breeze. Use this method to handle the callback loop to
complete the authorization.
:param sql_conn: The database connection to use to perform this activity.
:param mongo_data_conn: The database connection to use to perform this activity.
:param inbound_data: The data that came in from the broker. This could be in the JSON body, query params, etc.
:param client_user_id: How the trading client identifies this user.
:return: A structured response to capture the process of callback handling.
"""
pass
# ┏┳┓ ┓• ┏┓ ┓ ┓
# ┃ ┏┓┏┓┏┫┓┏┓┏┓ ┗┓┓┏┏┳┓┣┓┏┓┃┏
# ┻ ┛ ┗┻┗┻┗┛┗┗┫ ┗┛┗┫┛┗┗┗┛┗┛┗┛
# ┛ ┛
@abstractmethod
async def list_symbols(
self,
mongo_data_conn: AsyncMongo,
auth_token: CoreAuthTokenModel,
inbound_data: TradingSymbolListRequestData
) -> TradingSymbolListBrokerResponse:
"""
To get the list of tradeable symbols offered by a broker.
:param mongo_data_conn: The database connection to use to perform this activity.
:param auth_token: The token that has to be used to fetch the data.
:param inbound_data: The data that came in with the APi call.
:return: The structured response form the broker.
"""
pass
# *****************************************************************************************************************
# ***** ****
# *** MAIN PROGRAM ***
# ***** ****
# *****************************************************************************************************************
if __name__ == "__main__":
pass