/// <summary>
/// 抢任务
/// </summary>
/// <param name="user"></param>
/// <param name="taskId"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <ResponseMessage> KcoinTaskGrab(Models.UserInfo user, string taskId, CancellationToken cancellationToken = default(CancellationToken))
{
var response = new ResponseMessage();
var taskInfo = await _iTaskStore.GetTaskInfos().Where(a => !a.IsDelete && a.Id == taskId).FirstOrDefaultAsync(cancellationToken);
var nowTime = DateTime.Now;
if (taskInfo == null)
{
response.Code = ResponseCodeDefines.NotFound;
response.Message = "任务未找到";
return(response);
}
var periodInfo = await _iTaskStore.GetScorePeriods().Where(w => !w.IsDelete && w.Id == taskInfo.PeriodId).FirstOrDefaultAsync();
if (periodInfo == null || periodInfo.State != 1)
{
response.Code = ResponseCodeDefines.ModelStateInvalid;
response.Message = "只有进行中的赛季才能操作";
return(response);
}
if (taskInfo.ExamineState != 2)
{
response.Code = ResponseCodeDefines.NotAllow;
response.Message = "任务未审核通过";
return(response);
}
if (taskInfo.TaskState == 0 || nowTime < taskInfo.LootTime)
{
response.Code = ResponseCodeDefines.NotAllow;
response.Message = "未到开抢时间";
return(response);
}
if (taskInfo.TaskState == 2 || taskInfo.TaskState == 3)
{
response.Code = ResponseCodeDefines.NotAllow;
response.Message = "任务已被领取";
return(response);
}
var taskUser = new TaskUser
{
UserId = user.Id,
TaskId = taskId,
GetTime = nowTime,
};
//事务保存
using (var trans = await _transaction.BeginTransaction())
{
try
{
var oldTaskUser = await _iTaskStore.GetTaskUsers().Where(w => w.TaskId == taskInfo.Id).ToListAsync();
if (oldTaskUser.Any(fi => fi.UserId == user.Id))
{
response.Code = ResponseCodeDefines.NotAllow;
response.Message = "您已抢到该任务！";
trans.Rollback();
return(response);
}
if (taskInfo.UserNumber < oldTaskUser.Count + 1)
{
response.Code = ResponseCodeDefines.NotAllow;
response.Message = "当前任务所需人数已满";
trans.Rollback();
return(response);
}
await _iTaskStore.AddTaskUserAsync(taskUser, cancellationToken);
var taskUserQuery = _iTaskStore.GetTaskUsers().Where(a => a.TaskId == taskId);
var taskUserCount = await taskUserQuery.CountAsync(cancellationToken);
if (taskUserCount >= taskInfo.UserNumber)
{
taskInfo.TaskState = 2;
await _iTaskStore.UpdateTaskInfoAsync(taskInfo, cancellationToken);
}
// 抢任务成功添加动态
await _dynamicHelper.AddDynamicContent(
DynamicType.TaskGet,
taskInfo.PeriodId,
taskInfo.Id,
"",
"",
user.UserName,
user.GroupName,
user.Id,
taskInfo.TaskName,
taskInfo.Score,
null,
null);
trans.Commit();
}
catch (Exception e)
{
trans.Rollback();
throw new Exception("保存事务失败", e);
}
}
return(response);
}