67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
package step_price
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import (
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"errors"
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"fusenapi/model/gmodel"
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)
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// 旧的返回厘（即将废弃）
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func GetCentStepPrice(minBuyNum int, stepNum []int, stepPrice []int) int64 {
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if minBuyNum > stepNum[len(stepNum)-1] {
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return int64(stepPrice[len(stepPrice)-1])
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}
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for k, v := range stepNum {
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if minBuyNum <= v {
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if k <= (len(stepPrice) - 1) {
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return int64(stepPrice[k])
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}
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return int64(stepPrice[len(stepPrice)-1])
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}
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}
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return int64(stepPrice[len(stepPrice)-1])
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}
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// 新的阶梯价格(返回美元)
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func GetNewStepPrice(purchaseQuantity int64, stepPrice gmodel.StepPriceJsonStruct, fittingPrice int64) (totalPrice, itemPrice float64, err error) {
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l := len(stepPrice.PriceRange)
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if l == 0 {
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return 0, 0, errors.New("price range is not set")
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}
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//遍历查询合适的价格
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for k, v := range stepPrice.PriceRange {
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//购买数量>起点
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if purchaseQuantity > v.StartQuantity {
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//最后一个 || 小于等于终点
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if k == l-1 || purchaseQuantity <= v.EndQuantity {
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itemPrice = float64(v.Price+fittingPrice) / 1000
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return itemPrice * float64(purchaseQuantity), itemPrice / 1000, nil
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}
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}
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}
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//遍历里面没有则返回第一个
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itemPrice = float64(stepPrice.PriceRange[0].Price+fittingPrice) / 1000
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return itemPrice * float64(purchaseQuantity), itemPrice, nil
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}
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// 新的阶梯价格(返回厘)
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func GetNewCentStepPrice(purchaseQuantity int64, stepPrice gmodel.StepPriceJsonStruct, fittingPrice int64) (totalPrice, itemPrice int64, err error) {
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l := len(stepPrice.PriceRange)
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if l == 0 {
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return 0, 0, errors.New("price range is not set")
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}
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//遍历查询合适的价格
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for k, v := range stepPrice.PriceRange {
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//购买数量>起点
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if purchaseQuantity > v.StartQuantity {
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//最后一个 || 小于等于终点
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if k == l-1 || purchaseQuantity <= v.EndQuantity {
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itemPrice = v.Price + fittingPrice
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return itemPrice * purchaseQuantity, itemPrice, nil
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}
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}
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}
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//遍历里面没有则返回第一个
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itemPrice = stepPrice.PriceRange[0].Price + fittingPrice
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return itemPrice * purchaseQuantity, itemPrice, nil
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}
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