Files
material-api/web/calculators/steel_rebar_300.py
2024-05-29 10:21:31 +08:00

89 lines
3.3 KiB
Python

from sqlalchemy import func
from calculators import Calculator
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
from commons.models.sanming_steel import SanmingSteel
from commons.models.steel_rebar import SteelRebar
class Reber300Calculator(Calculator):
name = "光圆钢筋"
material_id = "15.05.60.00"
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='光圆钢筋')
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 - getattr(self.previous_prices, 'ftb_price', price)
return price, fluctuating
def _get_ss_price(self):
query = SanmingSteel.get_query(self.year, self.month, name='高线', spec='φ10mm')
query = query.with_entities(func.avg(SanmingSteel.price))
result = query.all()
if not result[0][0]:
return 0, 0
price = int(result[0][0])
fluctuating = price - getattr(self.previous_prices, 'ss_price', price)
return price, fluctuating
def _get_fhb_price(self):
query = FuzhouHighwayBureau.get_query(self.year, self.month, name='光圆钢筋')
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 - getattr(self.previous_prices, 'ftb_price', price)
return price, fluctuating
def _get_network_price(self):
result = SteelRebar.get_items(self.year, self.month, 'HPB300')
price_dict = {spec: price for spec, material, price in result}
price = 0.3 * float(price_dict.get('Φ6', 0)) + 0.7 * float(price_dict.get('Φ8-10', 0))
price = round(price)
fluctuating = price - getattr(self.previous_prices, 'price_network', price)
return price, fluctuating
def _get_survey_price(self):
query = FujianSurvey.get_query(self.year, self.month, name='光圆钢筋')
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 - getattr(self.previous_prices, 'price_survey', price)
return price, fluctuating
def _get_recommend_price(self):
self._fluctuatings = [self.fluctuating_network, self.fluctuating_survey, self.fluctuating_fhb, self.fluctuating_ftb, self.fluctuating_ss]
return super()._get_recommend_price()
def save(self):
result = self.result()
PriceResult(**result).upsert()
if __name__ == '__main__':
from core.factory import ClientApp
with ClientApp().app_context():
calculator = Reber300Calculator(year=2023, month=10)
result = calculator.run()
calculator.save()
print(result)