/// <summary>
/// 2.
/// </summary>
/// <param name="id"></param>
/// <param name="message"></param>
/// <returns></returns>
public bool SearchRealtyById(int id, out string message)
{
Realty.EqualsOptions = EqualsOptions.ById;
var helpRealty = new Realty(id);
var helpById = new RealtyById(helpRealty);
if (DhRealtyById.TryFind(helpById, out var record))
{
if (RafRealties.TryFind(helpRealty, record.AddressIndex, out var realty))
{
message = realty.ToString();
return(true);
}
}
message = $"Realty with id: {id} not found";
return(false);
}
/// <summary>
/// 3.
/// </summary>
/// <param name="registerNumber"></param>
/// <param name="id"></param>
/// <param name="name"></param>
/// <param name="description"></param>
/// <param name="message"></param>
/// <returns></returns>
public bool AddRealty(int registerNumber, int id, string name, string description, out string message)
{
try
{
Realty.EqualsOptions = EqualsOptions.ById;
var realty = new Realty(registerNumber, name, description, id);
if (RafRealties.Add(realty, out var index))
{
var byName = new RealtyByCadAndRegNumber(realty);
byName.AddressIndex = index;
if (!DhRealtyByNameAndRegNumber.Add(byName))
{
message =
$"System already contains realty with name: {name} and register number {registerNumber} and id {id}";
RafRealties.TryRemove(realty, index, out _);
return(false);
}
var byId = new RealtyById(realty);
byId.AddressIndex = index;
if (!DhRealtyById.Add(byId))
{
message =
$"System already contains realty with name: {name} and register number {registerNumber} and id {id}";
DhRealtyByNameAndRegNumber.TryRemove(byName, out _);
RafRealties.TryRemove(realty, index, out _);
return(false);
}
message = "New realty added";
return(true);
}
message =
$"System already could not add realty with name: {name} and register number {registerNumber} and id {id}";
return(false);
}
catch (ArgumentOutOfRangeException)
{
message = "Could not create realty, name or description too long";
return(false);
}
}
/// <summary>
/// 4.
/// </summary>
/// <param name="registerNumber"></param>
/// <param name="name"></param>
/// <param name="message"></param>
/// <returns></returns>
public bool RemoveRealty(int registerNumber, string name, out string message)
{
Realty.EqualsOptions = EqualsOptions.ByNameAndRegNumber;
var helpRealty = new Realty(registerNumber, name);
var helpByName = new RealtyByCadAndRegNumber(helpRealty);
if (DhRealtyByNameAndRegNumber.TryRemove(helpByName, out var record))
{
if (RafRealties.TryRemove(helpRealty, record.AddressIndex, out var realty))
{
message = "Realty removed";
var helpById = new RealtyById(realty);
if (!DhRealtyById.TryRemove(helpById, out _))
{
throw new Exception("did not remove and should have..");
}
return(true);
}
}
message = $"Realty with register number: {registerNumber} and name: {name} not found";
return(false);
}
/// <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);
}
