Vladless
32 lines
990 B
Python
32 lines
990 B
Python
from fastapi import HTTPException
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from sqlalchemy.ext.asyncio import AsyncSession
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from services.coupons import resolve_percent_coupon
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from services.errors import ServiceError
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async def resolve_percent_coupon_pricing(
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session: AsyncSession,
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billing_user_id: int,
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base_price_rub: int,
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coupon_code: str | None,
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) -> tuple[int, int, int | None, str | None]:
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"""Применяет процентный купон. Бросает HTTPException при ошибке."""
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try:
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return await resolve_percent_coupon(
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session=session,
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billing_user_id=billing_user_id,
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base_price_rub=base_price_rub,
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coupon_code=coupon_code,
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)
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except ServiceError as e:
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status_map = {
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"not_found": 404,
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"limit_exceeded": 409,
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"validation_error": 400,
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}
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raise HTTPException(
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status_code=status_map.get(e.code, 400),
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detail=e.message,
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)
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