public HomeController(RabbitMQConnectionService service)
{
_service = service;
}
public async Task <IActionResult> BuyAsync(int pId, int sId, CancellationToken cancellationToken)
{
// 初始化抢购信息
if (!IsInit)
{
var sales = (await _saleService.GetSales()).ToList();
for (int i = 0; i < sales.Count(); i++)
{
_redisDb.StringSet($"{SalePrefix}{sales[i].PId}", sales[i].SaleCount);
}
IsInit = true;
}
string userId = Guid.NewGuid().ToString("N");
int stock = Convert.ToInt32(_redisDb.StringGet($"{SalePrefix}{pId}"));
if (stock <= 0)
{
return(CreateResult(false, "已售完！"));
}
DataProvider.Entities.Order order = await _orderService.FindUserSaleOrderAsync(userId, pId, sId);
if (order != null)
{
return(CreateResult(false, "请勿重复抢购!"));
}
RabbitMQConnectionService rabbitMQConnectionService = new RabbitMQConnectionService();
order = new DataProvider.Entities.Order()
{
CreationTime = DateTime.Now,
PId = pId,
UserId = userId,
SId = sId
};
using (var conn = rabbitMQConnectionService.GetConnection())
{
// 创建通道
using var channel = conn.CreateModel();
string exchangeName = "order";
string routeKey = "sendOrder";
///
//channel.ExchangeDeclare(exchangeName, ExchangeType.Direct, false, false);
////声明一个队列
//channel.QueueDeclare("saleQueue", false, false, false);
//channel.QueueBind("saleQueue", exchangeName, routeKey, null);
// 定义发送内容
string input = JsonConvert.SerializeObject(order);
var sendBytes = Encoding.UTF8.GetBytes(input);
channel.BasicPublish(exchangeName, routeKey, null, sendBytes);
}
return(CreateResult(true, "排队中..."));
}
