/// <summary>
/// 从底层模型对象创建 UserSubmissionStatistics 类的新实例。
/// </summary>
/// <param name="model">模型对象。</param>
/// <returns>从模型对象创建的 UserSubmissionStatistics 类。</returns>
/// <exception cref="ArgumentNullException"/>
internal static UserSubmissionStatistics FromStatisticsModel(UserSubmissionStatisticsModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
UserSubmissionStatistics stat = new UserSubmissionStatistics()
{
TotalSubmissions = model.TotalSubmissions,
AcceptedSubmissions = model.AcceptedSubmissions
};
// 复制列表对象。
// TODO: 复制用户提交 ID 列表到提交句柄列表。
foreach (string probId in model.AttemptedProblemId)
{
stat.AttemptedProblems.Add(new ProblemHandle(probId));
}
foreach (string probId in model.AcceptedProblemId)
{
stat.AcceptedProblems.Add(new ProblemHandle(probId));
}
return(stat);
}
/// <summary>
/// 从当前对象创建底层模型对象。
/// </summary>
/// <returns>当前对象的底层模型对象。</returns>
internal UserSubmissionStatisticsModel ToStatisticsModel()
{
UserSubmissionStatisticsModel model = new UserSubmissionStatisticsModel()
{
TotalSubmissions = TotalSubmissions,
AcceptedSubmissions = AcceptedSubmissions,
};
// 复制列表对象。
foreach (SubmissionHandle handle in Submissions)
{
model.Submissions.Add(handle.SubmissionId);
}
foreach (ProblemHandle handle in AttemptedProblems)
{
model.AttemptedProblemId.Add(handle.ProblemId);
}
foreach (ProblemHandle handle in AcceptedProblems)
{
model.AttemptedProblemId.Add(handle.ProblemId);
}
return(model);
}
