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# models.py
from tortoise import fields, models
from typing import Optional
from datetime import datetime
from tortoise.contrib.pydantic.creator import pydantic_model_creator, pydantic_queryset_creator
from tortoise.queryset import QuerySet
class Portfolio(models.Model):
id = fields.IntField(pk=True)
user = fields.ForeignKeyField("models.User", related_name="portfolios")
name = fields.CharField(max_length=100)
description = fields.TextField(null=True)
is_active = fields.BooleanField(default=True)
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(Portfolio)
return await parser.from_tortoise_orm(self)
if type(self) == QuerySet:
parser = pydantic_queryset_creator(Portfolio)
return await parser.from_queryset(self)
class Meta:
table = "portfolios"
unique_together = ("user", "name") # User can't have duplicate portfolio names
class PortfolioStock(models.Model):
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="stocks")
stock = fields.ForeignKeyField("models.Stock", related_name="portfolio_holdings")
quantity = fields.IntField()
purchase_price = fields.DecimalField(max_digits=15, decimal_places=2)
purchase_date = fields.DateField()
notes = fields.TextField(null=True)
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioStock)
return await parser.from_tortoise_orm(self)
if type(self) == QuerySet:
parser = pydantic_queryset_creator(PortfolioStock)
return await parser.from_queryset(self)
class Meta:
table = "portfolio_stocks"
class PortfolioUTT(models.Model):
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="utts")
utt_fund = fields.ForeignKeyField("models.UTTFund", related_name="portfolio_holdings")
units_held = fields.DecimalField(max_digits=15, decimal_places=4)
purchase_price = fields.DecimalField(max_digits=15, decimal_places=2)
purchase_date = fields.DateField()
notes = fields.TextField(null=True)
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioUTT)
return await parser.from_tortoise_orm(self)
if type(self) == QuerySet:
parser = pydantic_queryset_creator(PortfolioUTT)
return await parser.from_queryset(self)
class Meta:
table = "portfolio_utts"
class PortfolioBond(models.Model):
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="bonds")
bond = fields.ForeignKeyField("models.Bond", related_name="portfolio_holdings")
face_value_held = fields.BigIntField()
purchase_price = fields.DecimalField(max_digits=15, decimal_places=2)
purchase_date = fields.DateField()
notes = fields.TextField(null=True)
created_at = fields.DatetimeField(auto_now_add=True)
updated_at = fields.DatetimeField(auto_now=True)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioBond)
return await parser.from_tortoise_orm(self)
if type(self) == QuerySet:
parser = pydantic_queryset_creator(PortfolioBond)
return await parser.from_queryset(self)
class Meta:
table = "portfolio_bonds"
class PortfolioTransaction(models.Model):
"""Track all portfolio transactions for audit and reporting"""
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="transactions")
transaction_type = fields.CharField(max_length=20) # BUY, SELL, DIVIDEND, COUPON
asset_type = fields.CharField(max_length=10) # STOCK, BOND, UTT
asset_id = fields.IntField() # Generic reference to stock/bond/utt ID
quantity = fields.DecimalField(max_digits=15, decimal_places=4)
price = fields.DecimalField(max_digits=15, decimal_places=2)
total_amount = fields.DecimalField(max_digits=15, decimal_places=2)
transaction_date = fields.DateField()
notes = fields.TextField(null=True)
created_at = fields.DatetimeField(auto_now_add=True)
@staticmethod
async def get_list(data):
if type(data) == QuerySet:
parser = pydantic_queryset_creator(PortfolioTransaction)
return await parser.from_queryset(data)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioTransaction)
return await parser.from_tortoise_orm(self)
class Meta:
table = "portfolio_transactions"
class PortfolioCalendar(models.Model):
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="calendar_events")
event_date = fields.DateField()
event_type = fields.CharField(max_length=50) # COUPON, DIVIDEND, MATURITY, EARNINGS
title = fields.CharField(max_length=200)
description = fields.TextField(null=True)
asset_type = fields.CharField(max_length=10, null=True) # STOCK, BOND, UTT
asset_id = fields.IntField(null=True)
estimated_amount = fields.DecimalField(max_digits=15, decimal_places=2, null=True)
is_completed = fields.BooleanField(default=False)
created_at = fields.DatetimeField(auto_now_add=True)
@staticmethod
async def get_list(data):
if type(data) == QuerySet:
parser = pydantic_queryset_creator(PortfolioCalendar)
return await parser.from_queryset(data)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioCalendar)
return await parser.from_tortoise_orm(self)
class Meta:
table = "portfolio_calendar"
class PortfolioSnapshot(models.Model):
"""Daily snapshots for performance tracking"""
id = fields.IntField(pk=True)
portfolio = fields.ForeignKeyField("models.Portfolio", related_name="snapshots")
snapshot_date = fields.DatetimeField()
total_value = fields.DecimalField(max_digits=20, decimal_places=2)
stock_value = fields.DecimalField(max_digits=20, decimal_places=2, default=0)
bond_value = fields.DecimalField(max_digits=20, decimal_places=2, default=0)
utt_value = fields.DecimalField(max_digits=20, decimal_places=2, default=0)
cash_value = fields.DecimalField(max_digits=20, decimal_places=2, default=0)
total_cost = fields.DecimalField(max_digits=20, decimal_places=2)
unrealized_gain_loss = fields.DecimalField(max_digits=20, decimal_places=2)
created_at = fields.DatetimeField(auto_now_add=True)
@staticmethod
async def get_list(data):
if type(data) == QuerySet:
parser = pydantic_queryset_creator(PortfolioSnapshot)
return await parser.from_queryset(data)
async def to_dict(self):
if type(self) == models.Model:
parser = pydantic_model_creator(PortfolioSnapshot)
return await parser.from_tortoise_orm(self)
class Meta:
table = "portfolio_snapshots"
unique_together = ("portfolio", "snapshot_date") |