feat: 更新十一地市计算逻辑

web/calculators/steel_strand.py

@@ -1,6 +1,7 @@
 from sqlalchemy import func
 
 from calculators import Calculator
+from commons.models.data_network import DataNetwork
 from commons.models.fujian_survey import FujianSurvey
 from commons.models.fuzhou_highway_bureau import FuzhouHighwayBureau
 from commons.models.fuzhou_transportation_bureau import FuzhouTransportationBureau
@@ -42,9 +43,9 @@ class SteelStrandCalculator(Calculator):
         return price, fluctuating
 
     def _get_network_price(self):
-        result = SteelStrand.get_items(self.year, self.month)
-        prices = {material: float(price) for material, price in result}
-        price = round(prices.get('SWRH82B', 0))
+        query = DataNetwork.get_query(self.year, self.month, name='钢绞线')
+        data = query.first()
+        price = round(data.price) if data else 0
 
         fluctuating = price - getattr(self.previous_prices, 'price_network', price)
         return price, fluctuating