public ServiceResponse ChangeOrder(ChangeHabitsOrderRequest request)
{
var authResponse = _authService.GetCurrentUserId();
if (authResponse.Failure)
{
return(Failure());
}
var habits = _dataContext
.Habits
.Where(h => h.UserId == authResponse.Payload)
.OrderBy(h => h.Order)
.ToList();
for (int i = 0; i < habits.Count(); i++)
{
habits[i].Order = i;
}
var habit = habits
.FirstOrDefault(h => h.Id == request.Id);
if (habit == null)
{
return(Failure());
}
if (request.Position < habit.Order)
{
var movedHabits = habits
.Where(h => h.Id != request.Id)
.Where(h => habit.Order >= h.Order && h.Order >= request.Position);
foreach (var movedHabit in movedHabits)
{
movedHabit.Order++;
}
}
else
{
var movedHabits = habits
.Where(h => h.Id != request.Id)
.Where(h => habit.Order <= h.Order && h.Order <= request.Position);
foreach (var movedHabit in movedHabits)
{
movedHabit.Order--;
}
}
habit.Order = request.Position;
try
{ _dataContext.SaveChanges(); }
catch (Exception)
{ return(Failure()); }
return(Success());
}
public JsonResult ChangeOrder([FromBody] ChangeHabitsOrderRequest request)
{
var response = _habitService.ChangeOrder(request);
return(ServiceResponse(response));
}