Files
material-api/web/calculators/cement_325.py
2024-05-29 10:21:31 +08:00

78 lines
2.9 KiB
Python

from sqlalchemy import func
from calculators import Calculator
from commons.models.cement import Cement
from commons.models.fujian_survey import FujianSurvey
from commons.models.fuzhou_highway_bureau import FuzhouHighwayBureau
from commons.models.fuzhou_transportation_bureau import FuzhouTransportationBureau
from commons.models.price_result import PriceResult
class Cement325Calculator(Calculator):
name = "32.5 水泥"
material_id = "09.60.60.00"
unit = "t"
spec = ""
def __init__(self, year, month):
self.year = year
self.month = month
def _get_ftb_price(self):
query = FuzhouTransportationBureau.get_query(self.year, self.month, name='32.5级水泥')
query = query.with_entities(func.avg(FuzhouTransportationBureau.price))
result = query.all()
if not result[0][0]:
return 0, 0
price = int(result[0][0])
fluctuating = price - int(getattr(self.previous_prices, 'ftb_price', price))
return price, fluctuating
def _get_fhb_price(self):
query = FuzhouHighwayBureau.get_query(self.year, self.month, name='32.5级水泥', spec='旋窑(散装)')
query = query.with_entities(func.avg(FuzhouHighwayBureau.price))
result = query.all()
if not result[0][0]:
return 0, 0
price = int(result[0][0])
fluctuating = price - int(getattr(self.previous_prices, 'ftb_price', price))
return price, fluctuating
def _get_network_price(self):
result = Cement.get_items(self.year, self.month, spec_in=('台泥', '金牛', '炼石牌'), name_in=('P.S.A32.5', 'M32.5', 'P.P 32.5R'), pack='散装')
prices = result[0][0]
if not result[0][0]:
return 0, 0
price = round(prices / 5) * 5
fluctuating = price - int(getattr(self.previous_prices, 'price_network', price))
return price, fluctuating
def _get_survey_price(self):
query = FujianSurvey.get_query(self.year, self.month, name='32.5级水泥', spec='旋窑')
query = query.with_entities(func.avg(FujianSurvey.price))
result = query.all()
if not result[0][0]:
return 0, 0
price = int(result[0][0])
fluctuating = price - int(getattr(self.previous_prices, 'price_survey', price))
return price, fluctuating
def _get_recommend_price(self, round_by=5):
self._fluctuatings = [self.fluctuating_network, self.fluctuating_survey, self.fluctuating_fhb, self.fluctuating_ftb]
return super()._get_recommend_price(round_by)
def save(self):
result = self.result()
PriceResult(**result).upsert()
if __name__ == '__main__':
from core.factory import ClientApp
with ClientApp().app_context():
calculator = Cement325Calculator(year=2023, month=12)
result = calculator.run()
calculator.save()
print(result)