init

web/calculators/cement_325.py

@@ -0,0 +1,77 @@
+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)