SwordFish_Interface_Service/utils/api_util.go

package utils

import (
	"log"
	"sfis/db"
	"sfis/lock"
	"sfis/model"
	"sfis/model/response"

	"github.com/gin-gonic/gin"
)

func Check(appID string, productID int, context *gin.Context, getData func() ([]map[string]interface{}, int, error), param, ip string) {
	lock.MainLock.Lock()
	userLock := lock.UserLockMap[appID]
	lock.MainLock.Unlock()
	var err error
	datas := []map[string]interface{}{}
	/**
	第二步:用户接口产品校验-加锁处理
	*/
	//2.1 取用户接口状态校验-可加锁也可不加锁 这个没有太严谨
	//userLock.Lock()
	userProduct := &model.UserProduct{}
	db.GetSFISDB().First(userProduct, &model.UserProduct{AppID: appID, ProductID: productID})
	//userLock.Unlock()
	if userProduct.ID == 0 {
		response.FailWithDetailed(response.InterfaceDeleted, nil, "该用户接口未购买", context)
		return
	}else if userProduct.InterfaceStatus != 0 {
		response.FailWithDetailed(response.InterfaceDeleted, nil, "该用户接口暂不提供服务", context)
		return
	}
	//2.2 取用户(产品余量|钱包账户余额)校验-必须加锁
	costModel := userProduct.CostModel //扣费模式 0扣余量,1-扣余额
	product := GetProductByID(productID)
	userLock.Lock()
	log.Println(param + "锁住......")

	db.GetSFISDB().First(userProduct, &model.UserProduct{AppID: appID, ProductID: productID})
	// costModel = 0
	switch costModel {
	case 0:
		//按剩余量扣费
		datas, err = costByLeftNum(getData, appID, productID, userProduct, product, param, ip)
	case 1:
		//按账户钱包余额扣费
		datas, err = costByAccountBalance(getData, appID, productID, userProduct, product, param, ip)
	case 2:
		//优先扣剩余量,剩余量为0,扣钱包余额
	}
	userLock.Unlock()
	log.Println(param + "解锁......")
	if err == nil {
		response.OkWithDatas(datas, context)
	} else {
		response.FailWithDetailed(response.InterfaceDeleted, nil, "查询失败", context)
	}
}