public ProblemDetailsModel GetProblemDetails(int id)
{
_currentUser = AuthHelper.GetUserFromAuthHeader(Request);
if (!AuthHelper.VerifyUserAuthorizedAnalytic(_currentUser))
{
return(null);
}
var dbProblem = DbHelper.GetProblem(id);
var model = new ProblemDetailsModel()
{
Name = dbProblem.Name,
Description = dbProblem.Description,
Id = dbProblem.IdProblem,
Alternatives = new List <ExpertChoicesModels.Alternative>(),
Experts = new List <ExpertChoicesModels.Expert>()
};
model.Alternatives.AddRange(DbHelper.GetAlternativesOfProblem(id).Select(altDb => ModelMapper.ConvertToResponseAlternative(altDb)));
model.Experts.AddRange(DbHelper.GetExpertsOfProblem(id).Select(expDb => ModelMapper.ConvertToResponseExpert(expDb)));
return(model);
}
public async Task <ProblemDetailsModel> GetProblemDetails(int pid, int cid = 0, int gid = 0)
{
var(user, privilege) = await GetUserPrivilegeAsync();
using (var db = new ApplicationDbContext(_dbContextOptions))
{
if (gid != 0)
{
var group = await db.Group.FindAsync(gid);
if (group == null)
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "题目不存在"
});
}
if (!db.GroupJoin.Any(i => i.GroupId == gid && i.UserId == user.Id))
{
if (!HasAdminPrivilege(privilege))
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "没有权限"
});
}
}
if (!db.GroupContestConfig.Where(i => i.GroupId == gid).Any(i => i.ContestId == cid))
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "题目不存在"
});
}
}
var languages = Languages.LanguagesList;
if (cid != 0)
{
var contest = await db.Contest.FindAsync(cid);
if (contest == null)
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "题目不存在"
});
}
if (contest.Hidden)
{
if (!HasAdminPrivilege(privilege))
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "没有权限"
});
}
}
if (!db.ContestProblemConfig.Where(i => i.ContestId == cid).Any(i => i.ProblemId == pid))
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "题目不存在"
});
}
if (contest.StartTime > DateTime.Now)
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "比赛未开始"
});
}
var config = JsonConvert.DeserializeObject <ContestConfiguration>(contest.Config ?? "{}");
if (!string.IsNullOrWhiteSpace(config?.Languages))
{
var templang = config.Languages.Split(';', StringSplitOptions.RemoveEmptyEntries).Select(i => i.Trim()).ToList();
languages = languages.Intersect(templang).ToList();
}
}
var problem = await db.Problem.Include(i => i.UserInfo).FirstOrDefaultAsync(i => i.Id == pid);
if (problem == null)
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "题目不存在"
});
}
var pconfig = JsonConvert.DeserializeObject <ProblemConfiguration>(problem.Config ?? "{}");
if (!string.IsNullOrWhiteSpace(pconfig.Languages))
{
var templang = pconfig.Languages.Split(';', StringSplitOptions.RemoveEmptyEntries).Select(i => i.Trim()).ToList();
languages = languages.Intersect(templang).ToList();
}
var langList = Languages.LanguageConfigurations.Where(i => languages.Contains(i.Name)).Select(i => new LanguageConfig {
Name = i.Name, Information = i.Information, SyntaxHighlight = i.SyntaxHighlight
}).ToList();
if (problem.Hidden && cid == 0)
{
if (!HasAdminPrivilege(privilege))
{
return(new ProblemDetailsModel
{
IsSucceeded = false,
ErrorMessage = "没有权限"
});
}
}
var problemDetails = new ProblemDetailsModel
{
IsSucceeded = true,
Id = problem.Id,
Hidden = problem.Hidden,
RawLevel = problem.Level,
Name = problem.Name,
RawType = problem.Type,
UserId = problem.UserId,
UserName = problem.UserInfo?.UserName,
Description = problem.Description,
RawCreationTime = problem.CreationTime,
AcceptCount = problem.AcceptCount,
SubmissionCount = problem.SubmissionCount,
Languages = langList
};
if (cid != 0)
{
var problemConfig = db.ContestProblemConfig.FirstOrDefault(j => j.ProblemId == problem.Id && j.ContestId == cid);
problemDetails.AcceptCount = problemConfig?.AcceptCount ?? 0;
problemDetails.SubmissionCount = problemConfig?.SubmissionCount ?? 0;
}
problemDetails.RawStatus = 0;
if (user != null)
{
var submissions = db.Judge.Where(j => j.GroupId == (gid == 0 ? null : (int?)gid) && j.ContestId == (cid == 0 ? null : (int?)cid) && j.ProblemId == pid && j.UserId == user.Id);
if (submissions.Any())
{
problemDetails.RawStatus = 1;
}
if (submissions.Any(j => j.ResultType == (int)ResultCode.Accepted))
{
problemDetails.RawStatus = 2;
}
}
return(problemDetails);
}
}
