107 lines
4 KiB
Python
107 lines
4 KiB
Python
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"""Pricing service for managing pricing configuration."""
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from sqlalchemy.ext.asyncio import AsyncSession
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from exceptions import BadRequestError, NotFoundError
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from repositories.pricing import PricingRepository
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from schemas import PricingConfigResponse, PricingConfigUpdate
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class PricingService:
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"""Service for pricing configuration business logic."""
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def __init__(self, db: AsyncSession):
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self.db = db
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self.repo = PricingRepository(db)
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async def get_config(self) -> PricingConfigResponse:
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"""Get current pricing configuration.
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Returns:
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PricingConfigResponse with current config
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Raises:
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NotFoundError: If no config exists
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"""
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config = await self.repo.get_current()
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if config is None:
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raise NotFoundError("Pricing configuration not found")
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return PricingConfigResponse(
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premium_buy=config.premium_buy,
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premium_sell=config.premium_sell,
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small_trade_threshold_eur=config.small_trade_threshold_eur,
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small_trade_extra_premium=config.small_trade_extra_premium,
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eur_min_buy=config.eur_min_buy,
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eur_max_buy=config.eur_max_buy,
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eur_min_sell=config.eur_min_sell,
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eur_max_sell=config.eur_max_sell,
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)
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async def update_config(self, data: PricingConfigUpdate) -> PricingConfigResponse:
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"""Update pricing configuration with validation.
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Args:
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data: Pricing configuration update data
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Returns:
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PricingConfigResponse with updated config
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Raises:
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BadRequestError: If validation fails
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"""
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# Validate premium values (-100 to 100)
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if not (-100 <= data.premium_buy <= 100):
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raise BadRequestError("premium_buy must be between -100 and 100")
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if not (-100 <= data.premium_sell <= 100):
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raise BadRequestError("premium_sell must be between -100 and 100")
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if not (-100 <= data.small_trade_extra_premium <= 100):
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raise BadRequestError(
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"small_trade_extra_premium must be between -100 and 100"
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)
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# Validate min amounts (positive integers)
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if data.eur_min_buy <= 0:
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raise BadRequestError("eur_min_buy must be positive")
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if data.eur_min_sell <= 0:
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raise BadRequestError("eur_min_sell must be positive")
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# Validate max amounts (positive integers)
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if data.eur_max_buy <= 0:
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raise BadRequestError("eur_max_buy must be positive")
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if data.eur_max_sell <= 0:
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raise BadRequestError("eur_max_sell must be positive")
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# Validate min < max for both directions
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if data.eur_min_buy >= data.eur_max_buy:
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raise BadRequestError("eur_min_buy must be less than eur_max_buy")
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if data.eur_min_sell >= data.eur_max_sell:
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raise BadRequestError("eur_min_sell must be less than eur_max_sell")
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# Validate threshold (positive integer)
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if data.small_trade_threshold_eur <= 0:
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raise BadRequestError("small_trade_threshold_eur must be positive")
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# Update config
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config = await self.repo.create_or_update(
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premium_buy=data.premium_buy,
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premium_sell=data.premium_sell,
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small_trade_threshold_eur=data.small_trade_threshold_eur,
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small_trade_extra_premium=data.small_trade_extra_premium,
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eur_min_buy=data.eur_min_buy,
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eur_max_buy=data.eur_max_buy,
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eur_min_sell=data.eur_min_sell,
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eur_max_sell=data.eur_max_sell,
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)
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return PricingConfigResponse(
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premium_buy=config.premium_buy,
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premium_sell=config.premium_sell,
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small_trade_threshold_eur=config.small_trade_threshold_eur,
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small_trade_extra_premium=config.small_trade_extra_premium,
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eur_min_buy=config.eur_min_buy,
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eur_max_buy=config.eur_max_buy,
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eur_min_sell=config.eur_min_sell,
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eur_max_sell=config.eur_max_sell,
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)
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