/// <summary>
/// 获取评测列表的Json信息
/// </summary>
/// <param name="lanaugeSupport">评测机支持语言</param>
/// <param name="count">评测机请求个数</param>
/// <returns>评测列表Json信息</returns>
public static Boolean TryGetPendingListJson(String lanaugeSupport, String count, out String result, out String error)
{
result = String.Empty;
try
{
error = JudgeStatusManager.GetJudgeServerLoginStatus();
if (!String.IsNullOrEmpty(error))
{
return(false);
}
StringBuilder ret = new StringBuilder();
Int32 requestCount = Math.Max(1, count.ToInt32(1));
List <SolutionEntity> pendingList = SolutionManager.JudgeGetPendingSolution(requestCount, GetJudgeSupportLanguages(lanaugeSupport));
Dictionary <Int32, ProblemEntity> problemCache = new Dictionary <Int32, ProblemEntity>();
Dictionary <Int32, String> problemVersionCache = new Dictionary <Int32, String>();
ProblemEntity problem = null;
String problemDataVersion = String.Empty;
SolutionEntity solution = null;
Int32 listCount = (pendingList == null ? 0 : pendingList.Count);
ret.Append("[");
for (Int32 i = 0; i < listCount; i++)
{
if (i > 0)
{
ret.Append(",");
}
solution = pendingList[i];
if (!problemCache.TryGetValue(solution.ProblemID, out problem))
{
problem = ProblemManager.GetJudgeProblem(solution.ProblemID);
problemCache[solution.ProblemID] = problem;
}
if (!problemVersionCache.TryGetValue(solution.ProblemID, out problemDataVersion))
{
problemDataVersion = ProblemDataManager.GetProblemDataVersion(solution.ProblemID);
problemVersionCache[solution.ProblemID] = problemDataVersion;
}
if (problem != null)
{
Double scale = solution.LanguageType.Scale;
Int32 timeLimit = (Int32)(problem.TimeLimit * scale);
Int32 memoryLimit = (Int32)(problem.MemoryLimit * scale);
ret.Append("{");
ret.Append("\"sid\":\"").Append(solution.SolutionID.ToString()).Append("\",");
ret.Append("\"pid\":\"").Append(solution.ProblemID.ToString()).Append("\",");
ret.Append("\"username\":\"").Append(solution.UserName).Append("\",");
ret.Append("\"dataversion\":\"").Append(problemDataVersion).Append("\",");
ret.Append("\"timelimit\":\"").Append(timeLimit.ToString()).Append("\",");
ret.Append("\"memorylimit\":\"").Append(memoryLimit.ToString()).Append("\",");
ret.Append("\"language\":\"").Append(solution.LanguageType.Type).Append("[]\",");
ret.Append("\"sourcecode\":\"").Append(JsonEncoder.JsonEncode(solution.SourceCode)).Append("\"");
ret.Append("}");
}
}
ret.Append("]");
result = ret.ToString();
return(true);
}
catch (System.Exception ex)
{
error = ex.Message;
return(false);
}
}
private ContentResult ErrorJson(String error)
{
return(Content("{\"status\":\"error\", \"message\":\"" + JsonEncoder.JsonEncode(error) + "\"}", "application/json"));
}
/// <summary>
/// 返回错误信息Json
/// </summary>
/// <param name="error">错误信息</param>
/// <returns>错误信息Json</returns>
protected ActionResult ErrorJson(String error)
{
return(Content(String.Format("{{\"status\":\"fail\",\"result\":\"{0}\"}}", JsonEncoder.JsonEncode(error)), "application/json"));
}