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
24 lines
513 B
Go
24 lines
513 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/payment"
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)
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func calculateFee(amount int64, config *payment.Payment) int64 {
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var fee float64
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switch config.FeeMode {
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case 0:
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return 0
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case 1:
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fee = float64(amount) * (float64(config.FeePercent) / float64(100))
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case 2:
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if amount > 0 {
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fee = float64(config.FeeAmount)
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}
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case 3:
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fee = float64(amount)*(float64(config.FeePercent)/float64(100)) + float64(config.FeeAmount)
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}
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return int64(math.Round(fee))
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}
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