Egor fureunoir Gorbunov
56826300b6
Fixes: 1) None. Extra: 1) Refactored language flag definitions into a centralized dictionary in base settings; 2) Added commerce utility functions for revenue, returns, and order processing; 3) Improved code structure and documentation in views and utils.
52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
from datetime import timedelta
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from django.db.models import F, Sum
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from django.db.models.functions import Coalesce
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from django.utils.timezone import now
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from constance import config
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from engine.core.models import Order, OrderProduct
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def get_period_order_products(period: timedelta = timedelta(days=30), statuses: list[str] | None = None):
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if statuses is None:
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statuses = ["FINISHED"]
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current = now()
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perioded = current - period
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orders = Order.objects.filter(status="FINISHED", buy_time__lte=current, buy_time__gte=perioded)
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return OrderProduct.objects.filter(status__in=statuses, order__in=orders)
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def get_revenue(clear: bool = True, period: timedelta = timedelta(days=30)):
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order_products = get_period_order_products(period)
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total: float = (
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order_products.aggregate(total=Coalesce(Sum(F("buy_price") * F("quantity")), 0.0)).get("total") or 0.0
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)
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try:
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total = float(total)
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except (TypeError, ValueError):
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total = 0.0
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if clear:
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try:
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tax_rate = float(config.TAX_RATE or 0)
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except (TypeError, ValueError):
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tax_rate = 0.0
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net = total * (1 - tax_rate / 100.0)
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return round(net, 2)
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else:
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return round(float(total), 2)
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def get_returns(period: timedelta = timedelta(days=30)):
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order_products = get_period_order_products(period, ["RETURNED"])
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total_returns: float = (
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order_products.aggregate(total=Coalesce(Sum(F("buy_price") * F("quantity")), 0.0)).get("total") or 0.0
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)
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try:
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return round(float(total_returns), 2)
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except (TypeError, ValueError):
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return 0.0
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def get_total_processed_orders(period: timedelta = timedelta(days=30)):
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return get_period_order_products(period, ["RETURNED", "FINISHED"]).count()
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