/// <summary>
/// Edit an existing subject.
/// </summary>
/// <param name="model">Subject details to edit.</param>
/// <returns>0 on subject already exists, 1 on success, 2 on unexpected database error.</returns>
public int Edit(Subject model)
{
int result = 0;
List <Subject> subjects = new List <Subject>();
if (model != null)
{
subjects = Details(model.UserId);
}
try
{
using (TaskDatabase db = new TaskDatabase())
{
Subject query = (from subject in subjects
where subject.Name == model.Name && subject.Id != model.Id
select subject).FirstOrDefault();
if (query == null)
{
result = db.Update(model);
}
}
}
catch (Exception)
{
result = 2;
}
return(result);
}
/// <summary>
/// Edit an existing grade.
/// </summary>
/// <param name="model">Grade details to edit.</param>
/// <returns>0 on failure, 1 on success, 2 on unexpected database error.</returns>
public int Edit(Grade model)
{
int result = 0;
try
{
using (TaskDatabase db = new TaskDatabase())
{
result = db.Update(model);
}
}
catch (Exception)
{
result = 2;
}
return(result);
}