CaculateJxPriceByPricePack

business/jxutils/jxutils_cms.go

@@ -253,7 +253,7 @@ func CaculateUnitPrice(skuPrice int, specQuality float32, specUnit string, skuNa
 }
 
 func ConstrainPricePercentage(percentage int) int {
-	if percentage <= model.MinVendorPricePercentage || percentage >= model.MaxVendorPricePercentage {
+	if percentage < model.MinVendorPricePercentage || percentage > model.MaxVendorPricePercentage {
 		percentage = model.DefVendorPricePercentage
 	}
 	return percentage
@@ -271,8 +271,8 @@ func CaculateSkuVendorPrice(price, percentage, priceAdd int) (vendorPrice int) {
 func CaculateSkuPriceFromVendor(vendorPrice, percentage, priceAdd int) (price int) {
 	percentage = ConstrainPricePercentage(percentage)
 	price = int(math.Round(float64(vendorPrice-priceAdd) * 100 / float64(percentage)))
-	if price < 0 {
-		price = 0
+	if price < 1 {
+		price = 1
 	}
 	return price
 }
@@ -330,6 +330,12 @@ func CaculatePriceByPricePack(l model.PricePercentagePack, defPricePercentage, p
 	return CaculateSkuVendorPrice(price, pricePercentage, priceAdd)
 }
 
+func CaculateJxPriceByPricePack(l model.PricePercentagePack, defPricePercentage, vendorPrice int) (jxPrice int) {
+	pricePercentage, priceAdd := GetPricePercentageByVendorPrice(l, vendorPrice, defPricePercentage)
+	jxPrice = CaculateSkuPriceFromVendor(vendorPrice, pricePercentage, priceAdd)
+	return jxPrice
+}
+
 func ConstrainPayPercentage(payPerCentage int) int {
 	if payPerCentage <= 50 {
 		payPerCentage = 70

business/jxutils/jxutils_cms_test.go

@@ -214,5 +214,60 @@ func TestGetPricePercentage(t *testing.T) {
 			t.Errorf("price:%d, defPricePercentage:%d, expected pricePercentage:%d, priceAdd:%d, actual pricePercentage:%d, priceAdd:%d",
 				v[2], v[3], v[0], v[1], pricePercentage, priceAdd)
 		}
+		t.Logf("%d  %d,%d,%d\n", CaculateSkuVendorPrice(v[2], pricePercentage, priceAdd), v[2], pricePercentage, priceAdd)
+	}
+}
+
+func TestCaculateJxPriceByPricePack(t *testing.T) {
+	type tTestInfo struct {
+		DesiredPrice int
+		UnitPrice    int
+		SpecQuality  float32
+		SpecUnit     string
+		Unit         string
+	}
+
+	l := []*model.PricePercentageItem{
+		&model.PricePercentageItem{
+			BeginPrice:      0,
+			PricePercentage: 0,
+			PriceAdd:        0,
+		},
+		&model.PricePercentageItem{
+			BeginPrice:      10,
+			PricePercentage: 10,
+			PriceAdd:        1,
+		},
+		&model.PricePercentageItem{
+			BeginPrice:      20,
+			PricePercentage: 20,
+			PriceAdd:        2,
+		},
+		&model.PricePercentageItem{
+			BeginPrice:      30,
+			PricePercentage: 30,
+			PriceAdd:        3,
+		},
+		&model.PricePercentageItem{
+			BeginPrice:      60,
+			PricePercentage: 60,
+			PriceAdd:        6,
+		},
+	}
+
+	for _, v := range [][]int{
+		[]int{1, 1, 88},
+		[]int{1, 1, 0},
+		[]int{40, 15, 0},
+		[]int{25, 7, 0},
+		[]int{10, 2, 0},
+		[]int{60, 42, 0},
+		[]int{1000, 606, 10},
+	} {
+		jxPrice := CaculateJxPriceByPricePack(l, v[2], v[1])
+		if CaculatePriceByPricePack(l, v[2], jxPrice) != v[1] {
+			t.Fatalf("vendorPrice:%d, defPercentage:%d, expected:%d, actual:%d", v[1], v[2], v[0], jxPrice)
+			break
+		}
 	}
 }