hepa-calc-api/api/controller/SystemMember.go

package controller

import (
	"github.com/gin-gonic/gin"
	"hepa-calc-api/api/dao"
	"hepa-calc-api/api/dto"
	"hepa-calc-api/api/responses"
	"hepa-calc-api/api/service"
	"math"
)

type SystemMember struct{}

// GetSystemMember 获取会员配置数据
func (b *SystemMember) GetSystemMember(c *gin.Context) {
	userId := c.GetInt64("UserId")

	systemMemberDao := dao.SystemMemberDao{}

	maps := make(map[string]interface{})
	systemMembers, err := systemMemberDao.GetSystemMemberList(maps)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 检测用户是否购买过会员
	userService := service.UserService{}
	isBuy := userService.CheckUserBuyMember(userId)
	if isBuy == true {
		for _, member := range systemMembers {
			member.FirstTimePrice = nil
		}
	}

	// 处理返回值
	g := dto.GetSystemMemberListDto(systemMembers)

	responses.OkWithData(g, c)
}

// GetSystemMemberLeast 获取会员配置数据-最少立减金额
func (b *SystemMember) GetSystemMemberLeast(c *gin.Context) {
	var reductionAmount *float64

	// 检测用户是否购买过会员
	userId := c.GetInt64("UserId")
	if userId != 0 {
		userService := service.UserService{}
		isBuy := userService.CheckUserBuyMember(userId)
		if isBuy == true {
			responses.OkWithData(reductionAmount, c)
			return
		}
	}

	systemMemberDao := dao.SystemMemberDao{}

	maps := make(map[string]interface{})
	systemMembers, err := systemMemberDao.GetSystemMemberList(maps)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	for _, member := range systemMembers {
		if member.FirstTimePrice == nil {
			continue
		}

		amount := member.Price - *member.FirstTimePrice
		amount = math.Round(amount*100) / 100

		if reductionAmount == nil {
			reductionAmount = &amount
			continue
		}

		if amount < *reductionAmount {
			reductionAmount = &amount
		}
	}

	responses.OkWithData(reductionAmount, c)
}