示例#1
0
        public async Task <ResultModel> DeleteContest([FromBody] ContestIdModel model)
        {
            var(user, privilege) = await GetUserPrivilegeAsync();

            var ret = new ResultModel {
                IsSucceeded = true
            };

            if (!HasTeacherPrivilege(privilege))
            {
                ret.IsSucceeded  = false;
                ret.ErrorMessage = "没有权限";
                return(ret);
            }

            using (var db = new ApplicationDbContext(_dbContextOptions))
            {
                var contest = await db.Contest.FindAsync(model.Id);

                if (contest == null)
                {
                    ret.IsSucceeded  = false;
                    ret.ErrorMessage = "比赛不存在";
                    return(ret);
                }
                db.Contest.Remove(contest);

                await db.SaveChangesAsync();

                return(ret);
            }
        }
示例#2
0
        public async Task <ContestIdModel> UpdateContestConfig([FromBody] ContestEditModel model)
        {
            var(user, privilege) = await GetUserPrivilegeAsync();

            var ret = new ContestIdModel {
                IsSucceeded = true
            };

            if (!HasTeacherPrivilege(privilege))
            {
                ret.IsSucceeded  = false;
                ret.ErrorMessage = "没有权限";
                return(ret);
            }


            using (var db = new ApplicationDbContext(_dbContextOptions))
            {
                var contest = model.Id == 0 ? new Contest() : await db.Contest.FindAsync(model.Id);

                if (contest == null)
                {
                    ret.IsSucceeded  = false;
                    ret.ErrorMessage = "比赛不存在";
                    return(ret);
                }

                contest.Name               = model.Name;
                contest.Config             = JsonConvert.SerializeObject(model.Config);
                contest.Description        = model.Description;
                contest.Hidden             = model.Hidden;
                contest.StartTime          = model.StartTime;
                contest.EndTime            = model.EndTime;
                contest.SpecifyCompetitors = model.SpecifyCompetitors;
                contest.Password           = model.Password;

                if (model.Id == 0)
                {
                    contest.UserId = user.Id;
                    await db.Contest.AddAsync(contest);

                    await db.SaveChangesAsync();
                }
                ;

                db.ContestRegister.RemoveRange(db.ContestRegister.Where(i => i.ContestId == contest.Id));
                if (contest.SpecifyCompetitors)
                {
                    foreach (var competitor in model.Competitors)
                    {
                        db.ContestRegister.Add(new ContestRegister {
                            ContestId = contest.Id, UserId = competitor.Id
                        });
                    }
                }
                if (!string.IsNullOrEmpty(model.ProblemSet))
                {
                    var problemSet = model.ProblemSet.Trim().Split(';', StringSplitOptions.RemoveEmptyEntries).ToList().ConvertAll(i =>
                    {
                        if (int.TryParse(i.Trim(), out var t))
                        {
                            return(t);
                        }
                        return(0);
                    });
                    problemSet.RemoveAll(i => i == 0);

                    var dict = new Dictionary <int, ContestProblemConfig>();

                    foreach (var i in db.ContestProblemConfig.Where(i => i.ContestId == contest.Id))
                    {
                        if (problemSet.Contains(i.ProblemId))
                        {
                            dict[i.ProblemId] = new ContestProblemConfig
                            {
                                ContestId       = i.ContestId,
                                AcceptCount     = i.AcceptCount,
                                ProblemId       = i.ProblemId,
                                SubmissionCount = i.SubmissionCount
                            };
                        }
                        db.ContestProblemConfig.Remove(i);
                    }

                    foreach (var pid in problemSet)
                    {
                        if (db.Problem.Any(i => i.Id == pid))
                        {
                            if (dict.ContainsKey(pid))
                            {
                                db.ContestProblemConfig.Add(dict[pid]);
                            }
                            else
                            {
                                db.ContestProblemConfig.Add(new ContestProblemConfig {
                                    ProblemId = pid, ContestId = contest.Id, AcceptCount = 0, SubmissionCount = 0
                                });
                            }
                        }
                    }
                }
                else
                {
                    db.ContestProblemConfig.RemoveRange(db.ContestProblemConfig.Where(i => i.ContestId == contest.Id));
                }
                await db.SaveChangesAsync();

                ret.Id = contest.Id;
                return(ret);
            }
        }