修改逾期金额率

internal/dao/bank_dong.go

@@ -32,12 +32,14 @@ const (
 
 	bank_sql6 = "select  * from lie_basic_month_tolerance where erp_company_code='%s' and month in(%s)"   //获取详情
 
-	bank_sql7 = "SELECT ((t.my_rate+1)/(t.plat_rate+1))-1 as delay_rate FROM " +
-		"( " +
-		"SELECT " +
-		"  (SELECT sum(delay_amount)/sum(receive_amount) from lie_basic_month_tolerance where erp_company_code = '%s' and  MONTH in (%s)) my_rate, " +
-		"  (SELECT sum(delay_amount)/sum(receive_amount) from lie_basic_month_tolerance where MONTH in (%s)) plat_rate " +
-		")t "
+	//平台逾期金额率
+	bank_sql7 = "SELECT ( sum(delay_amount)/sum(receive_amount) ) as plat_rate from lie_basic_month where MONTH in (%s)"
+	//客户近6个月平均逾期金额率
+	bank_sql8 = "SELECT ( SELECT SUM(delay_amount) / SUM(receive_amount) FROM lie_basic_month_tolerance WHERE erp_company_code = '%s' AND MONTH IN (%s)) AS my_rate "
+	//平台完成账期订单金额
+	bank_sql10 = "SELECT (sum(receive_amount)) as success_money from lie_basic_month_tolerance where MONTH in (%s)"
+	//近6个月平台账期金额
+	bank_sql11 = "SELECT sum(receive_amount) as sum_money from lie_basic_month_tolerance where MONTH in (%s)"
 )
 
 //计算逾期金额率：延期支付时间超过平均账期的金额/收款总额:
@@ -195,10 +197,21 @@ func (d *dao) BankDongRate(ctx context.Context,y map[string]string,modelItems []
 		s1 = c1["return_amount"]
 		s2 = c1["unload_amount"]
 	case 44: //近6个月逾期变化率
-		sql7 := fmt.Sprintf(bank_sql7,y["erp_company_code"],month_six,month_six)
-		c3,_ := d.QueryOne(ctx,3,sql7)
-		if c3["delay_rate"] == "" {
+		sql8 := fmt.Sprintf(bank_sql8,y["erp_company_code"],month_six)
+		c3,_ := d.QueryOne(ctx,3,sql8)
+		//近6月逾期金额率
+		if c3["my_rate"] == "" {
+			c3["my_rate"] = "0"
+		}
+
+		//获取平台6个月加权平均逾期金额率
+
+		c3["plat_rate"] = d.GetPlatRate(ctx,3,month_six,y["erp_company_code"])
+
+		if c3["plat_rate"] == "" {
 			c3["delay_rate"] = "0"
+		}else{
+			c3["delay_rate"] = logic.MyFloat64ToStr(1 - ( logic.MyFloat64(c3["my_rate"]) / logic.MyFloat64(c3["plat_rate"] )))
 		}
 
 		ladder_rate = logic.MyFloat64(c3["delay_rate"]);
@@ -268,3 +281,34 @@ func (d *dao) BankDongAddScore(ctx context.Context,com_credits_id int64,month_si
 
 	return
 }
+
+//平台6个月加权平均逾期金额率算法为：
+//           （第1月的平台逾期率*第1月平台完成账期订单金额+第2月的平台逾期率*第2月平台完成账期订单金额+第3月的平台逾期率*第3月平台完成账期订单金额.......)/近6个月平台账期订单金额
+func (d *dao) GetPlatRate(ctx context.Context,db int,monthsix,erpcompany_code string)(plat_rate string){
+
+	var plat_rate_float  float64
+
+	plat_rate_float = 0;
+
+	sql11 := fmt.Sprintf(bank_sql11,monthsix)
+
+	sumMoney,_ := d.QueryOne(ctx,db,sql11)
+
+	if sumMoney["sum_money"] == "" {
+		sumMoney["sum_money"] = "0"
+		plat_rate = "0"
+		return
+	}
+
+	for _,current_month:= range strings.Split(monthsix,","){
+		sql7 := fmt.Sprintf(bank_sql7,current_month)
+		sql10 := fmt.Sprintf(bank_sql10,current_month)
+		current_rate,_ := d.QueryOne(ctx,db,sql7)
+		current_money,_:= d.QueryOne(ctx,db,sql10)
+		plat_rate_float += logic.MyFloat64(current_rate["plat_rate"]) * logic.MyFloat64(current_money["success_money"])
+	}
+
+	plat_rate = logic.MyFloat64ToStr(plat_rate_float / logic.MyFloat64(sumMoney["sum_money"]))
+
+	return
+}