shanshanzhong
9987bd43fa
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统一处理百分比和系数两种折扣输入方式，增加边界保护 在金额计算中使用math.Round进行四舍五入处理 添加相关单元测试确保计算准确性
15 lines
365 B
Go
15 lines
365 B
Go
package order
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import (
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"math"
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"github.com/perfect-panel/server/internal/model/coupon"
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)
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func calculateCoupon(amount int64, couponInfo *coupon.Coupon) int64 {
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if couponInfo.Type == 1 {
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return int64(math.Round(float64(amount) * (float64(couponInfo.Discount) / float64(100))))
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} else {
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return min(couponInfo.Discount, amount)
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}
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}
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