public ActionResult Create(
[DataSourceRequest] DataSourceRequest request,
ViewModelType model)
{
if (!this.IsModelAndContestValid(model))
{
return(this.GridOperation(request, model));
}
if (!this.contestsData.IsOnlineById(model.ContestId))
{
this.ModelState.AddModelError(
string.Empty,
string.Format(Resource.Can_create_only_in_online_contest, nameof(ContestType.OnlinePracticalExam)));
return(this.GridOperation(request, model));
}
if (this.contestsData.IsActiveById(model.ContestId))
{
this.ModelState.AddModelError(string.Empty, Resource.Active_contest_cannot_add_problem_group);
return(this.GridOperation(request, model));
}
var problemGroup = model.GetEntityModel();
problemGroup.Type = model.Type.GetValidTypeOrNull();
model.Id = (int)this.BaseCreate(problemGroup);
return(this.GridOperation(request, model));
}
public ActionResult Update([DataSourceRequest] DataSourceRequest request, ViewModelType model)
{
var existingProblemGroup = this.GetByIdAsNoTracking(model.Id);
if (existingProblemGroup == null || !this.IsModelAndContestValid(model))
{
return(this.GridOperation(request, model));
}
if (existingProblemGroup.OrderBy != model.OrderBy &&
!this.contestsData.IsOnlineById(model.ContestId))
{
this.ModelState.AddModelError(
string.Empty,
string.Format(
Resource.Can_edit_orderby_only_in_online_contest,
ContestType.OnlinePracticalExam.GetDescription()));
return(this.GridOperation(request, model));
}
var newProblemGroup = model.GetEntityModel(existingProblemGroup);
newProblemGroup.Type = model.Type.GetValidTypeOrNull();
this.BaseUpdate(newProblemGroup);
return(this.GridOperation(request, model));
}
private bool IsModelAndContestValid(ViewModelType model)
{
if (string.IsNullOrWhiteSpace(model.ContestName))
{
this.ModelState.AddModelError(nameof(model.ContestName), Resource.Contest_required);
return(false);
}
if (!this.contestsData.ExistsById(model.ContestId))
{
this.ModelState.AddModelError(nameof(model.ContestName), Resource.Contest_does_not_exist);
return(false);
}
if (!this.CheckIfUserHasContestPermissions(model.ContestId))
{
this.ModelState.AddModelError(string.Empty, GeneralResource.No_privileges_message);
}
return(this.ModelState.IsValid);
}
public ActionResult Destroy([DataSourceRequest] DataSourceRequest request, ViewModelType model)
{
if (!this.IsModelAndContestValid(model))
{
return(this.GridOperation(request, model));
}
if (this.contestsData.IsActiveById(model.ContestId))
{
this.ModelState.AddModelError(string.Empty, Resource.Active_contest_cannot_delete_problem_group);
return(this.GridOperation(request, model));
}
var result = this.problemGroupsBusiness.DeleteById(model.Id);
if (result.IsError)
{
this.ModelState.AddModelError(string.Empty, result.Error);
}
return(this.GridOperation(request, model));
}
