productrpc/commission.go

package productrpc

import (
	"strings"

	"git.tetele.net/tgo/helper"
)

/**
 * commission_rule 规则，１按系统设置，２单独设置
 * commission_value 单独佣金值
 * commission_rate 系统佣金比例
 */

func ProductCommission(commission_rule, commission_value, commission_rate string, product_price, cost_price string, quantity interface{}) float64 {

	var commission_rule_rate float64 //佣金按比例换算成的小数
	var commission_type string
	switch commission_rule {
	case "1": //按系统设置
		commission_rule_rate = helper.FloatQuo(commission_rate, 100)
		commission_type = "rate"

	case "2": //单独设置
		if strings.Contains(commission_value, "%") { //百分比
			commission_rule_rate = helper.FloatQuo(strings.ReplaceAll(commission_value, "%", ""), 100)
			commission_type = "rate"
		} else {
			commission_type = "fixed"
		}

	}

	var commission float64
	switch commission_type {
	case "rate":
		commission = helper.FloatMul(helper.FloatMul(helper.FloatSub(product_price, cost_price), commission_rule_rate), quantity) //利润

	case "fixed":

		commission = helper.FloatMul(commission_value, quantity)
	}

	return commission
}