public Task<bool> Save(TeacherQuestion entity)
{
return Task.Factory.StartNew(() =>
{
var row = Get(entity.TeacherId, entity.QuestionId);
if (row == null)
{
Create(entity);
return true;
}
entity += row;
Update(entity);
return false;
});
}
public static TeacherQuestion operator +(TeacherQuestion entity1, TeacherQuestion entity2)
{
var result = new TeacherQuestion()
{
TeacherId = entity1.TeacherId,
QuestionId = entity1.QuestionId,
Count = entity1.Count,
Answer = entity1.Answer,
Teacher = entity1.Teacher,
Question = entity2.Question
};
result.Count += entity2.Count;
result.Answer += entity2.Answer;
result.Answer /= (float)result.Count;
return result;
}
public bool Delete(TeacherQuestion entity)
{
return Provider.Delete(entity);
}
public bool Update(TeacherQuestion entity)
{
return Provider.Update(entity);
}
public bool Create(TeacherQuestion entity)
{
return Provider.Create(entity);
}
