/// <summary>
/// Processes Test
/// </summary>
/// <param name="form"></param>
/// <param name="user"></param>
/// <returns>The list of errors for the test.</returns>
/// <remarks>
/// 1. creates new Test entity.
/// 2. loops each question and creates a Answer entity for each question.
/// I have added validation so that the user has to answer all questions.
/// 3. I add the test to the user.
/// 4. Save Changes to Database and redirect to Completed Page.
/// </remarks>
public IList<ValidationResult> ProcessTest(User user, FormCollection form)
{
List<ValidationResult> errors = new List<ValidationResult>();
try
{
this.AttachUserToContext(user);
var test = new Models.Test()
{
DateCreated = DateTime.Now
};
foreach (var item in context.Questions)
{
var optionid = form[item.QuestionId.ToString()];
if (optionid != null)
{
test.Answers.Add(new Models.Answer()
{
QuestionOptionId = int.Parse(optionid)
});
}
else
{
errors.Add(new ValidationResult()
{
Name = item.QuestionId.ToString(),
Message = "Please Answer the question"
});
}
}
if (errors.Count() > 0)
return errors;
user.Tests.Add(test);
context.SaveChanges();
}
catch (Exception ex)
{
errors.Add(new ValidationResult()
{
Name = "",
Message = ex.Message
});
}
return errors;
}
/// <summary>
/// Create a new User object.
/// </summary>
/// <param name="userId">Initial value of the UserId property.</param>
/// <param name="name">Initial value of the Name property.</param>
/// <param name="phone">Initial value of the Phone property.</param>
public static User CreateUser(global::System.Int32 userId, global::System.String name, global::System.String phone)
{
User user = new User();
user.UserId = userId;
user.Name = name;
user.Phone = phone;
return user;
}
/// <summary>
/// Attaches/Adds the user to the context.
/// </summary>
/// <param name="user"></param>
private void AttachUserToContext(User user)
{
if (user.UserId != 0)
{
context.Users.Attach(user);
}
else
{
context.Users.AddObject(user);
}
}
/// <summary>
/// Deprecated Method for adding a new object to the Users EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToUsers(User user)
{
base.AddObject("Users", user);
}