/// <summary>
/// Updates task result.
/// </summary>
/// <param name="currentTaskResult">A candidates' current result.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public Task UpdateCandidateTaskResultAsync(CandidateTaskResult currentTaskResult)
{
if (currentTaskResult == null)
{
throw new ArgumentNullException(nameof(currentTaskResult));
}
CandidateTaskResult previousResult = _context.CandidateTaskResults.FirstOrDefault(result => result.ModifierId == currentTaskResult.ModifierId && result.CandidateExerciseId == currentTaskResult.CandidateExerciseId);
if (previousResult == null)
{
return(SaveCandidateTaskResultAsync(currentTaskResult));
}
UpdateResult(previousResult, currentTaskResult);
return(_context.SaveChangesAsync());
}
/// <summary>
/// Removes a task result by id.
/// </summary>
/// <param name="id">An id of a task result.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public Task RemoveTaskResultAsync(int id)
{
VerifyId(id);
var temp = _context.CandidateTaskResults.FirstOrDefault(cr => cr.Id == id);
if (temp == null)
{
throw new TaskResultNotFoundException();
}
_context.CandidateTaskResults.Remove(
Mapper.Map <CandidateTaskResult>(temp));
return(_context.SaveChangesAsync());
}
public async Task <int> AddCandidateTaskAsync(CandidateTaskInfo candidateTaskInfo)
{
if (candidateTaskInfo == null)
{
throw new ArgumentNullException(nameof(candidateTaskInfo));
}
var candidateTask = CreateCandidateTask(candidateTaskInfo);
_exerciseContext.CandidateTasks.Add(candidateTask);
await _exerciseContext.SaveChangesAsync().ConfigureAwait(false);
return(candidateTask.Id);
}
