public List <Question> GetQuestionsByFilter([FromUri] FilterQuestions filter)
{
if (!ModelState.IsValid)
{
throw new BadRequestException();
}
return(Service.GetQuestionsByFilter(filter));
}
/// <summary>
/// Формирование объекта фильтра вопросов
/// </summary>
/// <returns>Объект фильтра вопросов</returns>
private FilterQuestions FormingFilterQuestions()
{
FilterQuestions filter = new FilterQuestions();
if (Form.cbxFilterActing.Checked)
{
filter.Acting = Form.cbxActing.Checked;
}
if (Form.cbxFilterLevelDifficulty.Checked)
{
filter.LevelDifficulty = GetLevelDifficulty();
}
if (Form.cbxFilterSubject.Checked)
{
filter.Subject = (SubjectEnum)Form.cmbSubject.SelectedIndex;
}
return(filter);
}
/// <summary>
/// Возвращение списка вопросов по фильтру
/// </summary>
/// <param name="filter">Объект фильтра вопросов</param>
/// <returns>Список вопросов</returns>
public List <Question> GetQuestionsByFilter(FilterQuestions filter)
{
List <Question> listQuestions = null;
IQueryable <Question> questions = Context.Questions;
if (filter.Acting != null)
{
questions = questions.Where(n => n.Acting == filter.Acting);
}
if (filter.LevelDifficulty != null)
{
questions = questions.Where(n => n.LevelDifficulty == filter.LevelDifficulty);
}
if (filter.Subject != null)
{
questions = questions.Where(n => n.Subject == filter.Subject);
}
listQuestions = questions.ToList();
return(listQuestions);
}
/// <summary>
/// Возвращение вопросов по фильтру
/// </summary>
/// <returns>Список вопросов</returns>
public async Task <List <Question> > GetQuestionsByFilter()
{
List <Question> listQuestions = null;
FilterQuestions filter = FormingFilterQuestions();
try
{
string uri = $"{ServicePath}/api/Questions/GetQuestionsByFilter?acting={filter.Acting}&" +
$"levelDifficulty={filter.LevelDifficulty}&subject={filter.Subject}";
HttpResponseMessage result = await Client.GetAsync(uri);
if (CheckResult(result))
{
string listQuestionsJson = await result.Content.ReadAsStringAsync();
listQuestions = JsonSerializer.Deserialize <List <Question> >(listQuestionsJson);
}
}
catch
{
OutputInfoForm(ServiceError);
}
return(listQuestions);
}
