private Halt CreateModel(HaltBindingModel model, Halt halt)
{
halt.Name = model.Name;
halt.Address = model.Address;
halt.OperatorID = model.OperatorID;
return halt;
}
public void Insert(HaltBindingModel model)
{
using (var context = new TourFirmDatabase())
{
context.Halts.Add(CreateModel(model, new Halt()));
context.SaveChanges();
}
}
public void Delete(HaltBindingModel model)
{
var element = _haltStorage.GetElement(new HaltBindingModel {
ID = model.ID
});
if (element == null)
{
throw new Exception("Элемент не найден");
}
_haltStorage.Delete(model);
}
public void Update(HaltBindingModel model)
{
using (var context = new TourFirmDatabase())
{
var element = context.Halts.FirstOrDefault(rec => rec.ID == model.ID);
if (element == null)
{
throw new Exception("Элемент не найден");
}
CreateModel(model, element);
context.SaveChanges();
}
}
public List <HaltViewModel> Read(HaltBindingModel model)
{
if (model == null)
{
return(_haltStorage.GetFullList());
}
if (model.ID.HasValue || model.Name != null)
{
return(new List <HaltViewModel> {
_haltStorage.GetElement(model)
});
}
return(_haltStorage.GetFilteredList(model));
}
public void Delete(HaltBindingModel model)
{
using (var context = new TourFirmDatabase())
{
Halt element = context.Halts.FirstOrDefault(rec => rec.ID == model.ID);
if (element != null)
{
context.Halts.Remove(element);
context.SaveChanges();
}
else
{
throw new Exception("Элемент не найден");
}
}
}
public HaltViewModel GetElement(HaltBindingModel model)
{
if (model == null)
{
return null;
}
using (var context = new TourFirmDatabase())
{
var halt = context.Halts.FirstOrDefault(rec => rec.Name == model.Name || rec.ID == model.ID);
return halt != null ? new HaltViewModel
{
ID = halt.ID,
Name = halt.Name,
Address = halt.Address,
OperatorID = halt.OperatorID
} :
null;
}
}
public void CreateOrUpdate(HaltBindingModel model)
{
var element = _haltStorage.GetElement(new HaltBindingModel
{
Name = model.Name
});
if (element != null && element.ID != model.ID)
{
throw new Exception("Данная остановка уже зарегистрирована");
}
if (model.ID.HasValue)
{
_haltStorage.Update(model);
}
else
{
_haltStorage.Insert(model);
}
}
public List<HaltViewModel> GetFilteredList(HaltBindingModel model)
{
if (model == null)
{
return null;
}
using (var context = new TourFirmDatabase())
{
return context.Halts
.Where(rec => (rec.OperatorID == model.OperatorID))
.ToList().
Select(rec => new HaltViewModel
{
ID = rec.ID,
Name = rec.Name,
Address = rec.Address,
OperatorID = rec.OperatorID
}).ToList();
}
}
