52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from sqlalchemy import func
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from calculators import Calculator, Helper
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from commons.models.asphalt_modifier import AsphaltModifier
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from commons.models.price_result import PriceResult
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class AsphaltImportedModifierCalculator(Calculator):
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name = "进口改性沥青"
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material_id = "06.12.60.00"
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unit = "t"
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spec = ""
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def __init__(self, year, month):
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self.year = year
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self.month = month
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def _get_recommend_price(self):
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query = PriceResult.get_query(self.year, self.month, name='进口沥青')
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asphalt = query.first()
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fluctuating_1 = asphalt.fluctuating_recommend if asphalt else 0
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if not asphalt.price_recommend:
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return 0, 0
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query = PriceResult.get_query(self.year, self.month, name='改性剂')
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modifier = query.first()
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fluctuating_2 = int(modifier.fluctuating_recommend * 5 / 100) if modifier else 0
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previous_price = int(getattr(self.previous_prices, 'price_recommend', 0))
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if not previous_price:
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previous_price = asphalt.price_recommend + modifier.price_recommend * 5 / 100
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price = previous_price + fluctuating_1 + fluctuating_2
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price = round(price / 10) * 10
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return price, fluctuating_1 + fluctuating_2
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def save(self):
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result = self.result()
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PriceResult(**result).upsert()
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if __name__ == '__main__':
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from core.factory import ClientApp
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with ClientApp().app_context():
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calculator = AsphaltImportedModifierCalculator(year=2023, month=9)
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_result = calculator.run()
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calculator.save()
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print(_result)
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