feat: 更新计算位数

web/calculators/__init__.py

@@ -32,6 +32,23 @@ class Helper:
         return last_month_year, last_month
 
 
+class RoundMethod:
+    @staticmethod
+    def normal(n, round_bit):
+        result = round(n, round_bit)
+        return result if round_bit != 0 else int(result)
+
+    @staticmethod
+    def none(n, round_bit):
+        result = round(int(n * 10 ** round_bit) / 10 ** round_bit, round_bit)
+        return result if round_bit != 0 else int(result)
+
+    @staticmethod
+    def five(n, round_bit):
+        result = round(int(n * 10 ** round_bit / 5) * 5 / 10**round_bit, round_bit)
+        return result if round_bit != 0 else int(result)
+
+
 class Calculator:
     material_id = ""
     name = ""
@@ -53,17 +70,20 @@ class Calculator:
     fluctuating_recommend = 0
     price_fujian = 0
     fluctuating_fujian = 0
-    weight_ftb = 0
-    weight_ss = 0
-    weight_fhb = 0
-    weight_network = 0
-    weight_survey = 0
+    weight_ftb = 1
+    weight_ss = 1
+    weight_fhb = 1
+    weight_network = 1
+    weight_survey = 1
 
-    unit = ""
-    spec = ''
+    unit = ""  # 单位
+    spec = ''  # 规格
 
-    _previous_prices = None
-    _fluctuatings = []
+    round_bit = 1  # 结果保留位数
+    round_method = RoundMethod.normal  # 舍入方法
+
+    _previous_prices = None  # 上期价格数据
+    _fluctuatings = []  # 浮动
 
     def __init__(self, year, month, force=True):
         self.year = year
@@ -191,13 +211,12 @@ class Calculator:
             self.fluctuating_network * self.weight_network,
             self.fluctuating_survey * self.weight_survey,
         ]
+
         fluctuating = sum(self._fluctuatings) / len(self._fluctuatings)
-        fluctuating = round(fluctuating, 2)
-        # fluctuating = round(fluctuating / round_by) * round_by
+        fluctuating = self.round_method(fluctuating, self.round_bit)
 
         price = fluctuating + previous_price
-        price = round(price, 2)
-        # price = round(price / round_by) * round_by
+        price = self.round_method(price, self.round_bit)
 
         return price, fluctuating
 
@@ -210,11 +229,11 @@ class Calculator:
             self.weight_network = self._previous_prices.weight_network
             self.weight_survey = self._previous_prices.weight_survey
         else:
-            self.weight_ftb = 1 if self.fluctuating_ftb else 0
-            self.weight_ss = 1 if self.fluctuating_ss else 0
-            self.weight_fhb = 1 if self.fluctuating_fhb else 0
-            self.weight_network = 1 if self.fluctuating_network else 0
-            self.weight_survey = 1 if self.fluctuating_survey else 0
+            self.weight_ftb = 1
+            self.weight_ss = 1
+            self.weight_fhb = 1
+            self.weight_network = 1
+            self.weight_survey = 1
 
     def save(self):
         result = self.result()