public string IsDrawRed(dynamic requestData)
{
try
{
//DateTime beginTime = DateTime.Parse("2018-02-07 10:00");
//DateTime EndTime = DateTime.Parse("2018-02-07 23:59");
DateTime dayNow = DateTime.Now;
if (dayNow < beginTime || dayNow >= EndTime)
{
return("No");
}
HomeTastePacket redPacket = JsonConvert.DeserializeObject <HomeTastePacket>(JsonConvert.SerializeObject(requestData));
var q = (from v in db.HomeTastePacket
where v.OpenId == redPacket.OpenId
select v).FirstOrDefault();
if (q == null)
{
return("OK");
}
else
{
return("No");
}
}
catch (Exception)
{
return("No");
}
}
public string AddRedPacket(dynamic requestData)
{
try
{
// 随机红包数
int red = 0;
//随机数范围
int randomMax = 1001;
int randomMin = 100;
//总红包数
int totalRed = 200000;
//DateTime beginTime = DateTime.Parse("2018-02-07 10:00");
//DateTime EndTime = DateTime.Parse("2018-02-07 23:59");
DateTime dayNow = DateTime.Now;
if (dayNow < beginTime || dayNow >= EndTime)
{
return("0");
}
var sql = " select sum(RedPacket) as sumRedPacket from [dbo].[HomeTastePacket]";
var dataTable = dataContext.ExecuteDataTable(CommandType.Text, sql);
Thread.Sleep(400);
//总积分
int CountRed = 0;
var dd = JsonConvert.SerializeObject(dataTable.Rows[0][0]);
if (dd != "null")
{
CountRed = Convert.ToInt32(dd);
}
if (CountRed - randomMin > totalRed)
{
return("-1");
}
lock (olock)
{
red = rand.Next(randomMin, randomMax);
//防止数据大于总红包
if (CountRed + red >= totalRed)
{
red = totalRed - CountRed;
}
HomeTastePacket redPacket = JsonConvert.DeserializeObject <HomeTastePacket>(JsonConvert.SerializeObject(requestData));
//首先判断是否抽过随机红包
var q = (from v in db.HomeTastePacket
where v.OpenId == redPacket.OpenId && v.MemberId == redPacket.MemberId
select v).FirstOrDefault();
Thread.Sleep(400);
if (q == null)
{
redPacket.RedPacket = red;
db.HomeTastePacket.Add(redPacket);
db.SaveChanges();
return(red.ToString());
}
return("-2");
}
}
catch (Exception)
{
return("-3");
}
}
