//Add question to list of questions
public virtual async Task AddQuestionToServeyAsync(int id, Question question)
{
var survey = await Surveys.FindAsync(id);
if (survey != null)
{
survey.Questions.Add(question);
await SaveChangesAsync();
}
}
//Delete all qustions from qustions list in survey
public virtual async Task DeleteAllQuestionsAsync(int id)
{
var survey = await Surveys.FindAsync(id);
if (survey != null)
{
survey.Questions.Clear();
await SaveChangesAsync();
}
}
//Delete survey
public virtual async Task DeleteSurveyAsync(int id)
{
var survey = await Surveys.FindAsync(id);
if (survey != null)
{
Surveys.Remove(survey);
await SaveChangesAsync();
}
}
