/// <summary>
/// 5.
/// </summary>
/// <param name="id"></param>
/// <param name="message"></param>
/// <returns></returns>
public bool UpdateRealty(int id, string newName, string newDescription, int newRegisterNumber, out string message)
{
Realty.EqualsOptions = EqualsOptions.ById;
var helpRealty = new Realty(id);
var helpById = new RealtyById(helpRealty);
var newRealty = new Realty(newRegisterNumber, newName, newDescription, newRegisterNumber)
{
Id = id
};
if (DhRealtyById.TryFind(helpById, out var realtyById))
{
var index = realtyById.AddressIndex;
if (RafRealties.BeginUpdate(helpRealty, index, out var oldRealty))
{
switch (DecideRealtyUpdate(oldRealty, newRealty))
{
case RealtyUpdateChange.None:
{
//nic sa nemusi diat
message = "No changes needed";
return(false);
}
case RealtyUpdateChange.JustDescription:
{
//v pamati je ulozeny blok v ktorom nie je povodna nehnutelnost, dam novu na index a v subore sa to prepise
RafRealties.FinishUpdate(newRealty, index);
message = $"Just Description changed from {oldRealty.Description} to {newRealty.Description}";
return(true);
}
case RealtyUpdateChange.Everything:
{
var helpByName = new RealtyByCadAndRegNumber(oldRealty);
if (DhRealtyByNameAndRegNumber.TryRemove(helpByName, out var removedRealtyByName))
{
var newRealtyByName = new RealtyByCadAndRegNumber(newRealty);
newRealtyByName.AddressIndex = index;
if (DhRealtyByNameAndRegNumber.Add(newRealtyByName))
{
RafRealties.FinishUpdate(newRealty, index);
message =
$"Name and Register number updated from {oldRealty.UniqueName} and {oldRealty.RegisterNumber} to {newRealty.UniqueName} and {newRealty.RegisterNumber}";
return(true);
}
else
{
DhRealtyByNameAndRegNumber.Add(removedRealtyByName);
message = $"Could not update realty, no changes, realty with name and reg number {newRealty.UniqueName}, {newRealty.RegisterNumber} already exists";
return(false);
}
}
break;
}
}
}
}
message = "Could not update realty";
return(false);
}