CentrED/Server/UAccount.pas

258 lines
6.7 KiB
Plaintext
Raw Normal View History

(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2008 Andreas Schneider
*)
unit UAccount;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, contnrs, math, DOM, UXmlHelper, UInterfaces, UEnums;
type
{ TAccount }
TAccount = class(TObject, ISerializable, IInvalidate)
constructor Create(AOwner: IInvalidate; AName, APasswordHash: string;
AAccessLevel: TAccessLevel; ARegions: TStringList);
constructor Deserialize(AOwner: IInvalidate; AElement: TDOMElement);
destructor Destroy; override;
procedure Serialize(AElement: TDOMElement);
protected
FOwner: IInvalidate;
FName: string;
FAccessLevel: TAccessLevel;
FPasswordHash: string;
FLastPos: TPoint;
FRegions: TStringList;
procedure SetAccessLevel(const AValue: TAccessLevel);
procedure SetPasswordHash(const AValue: string);
procedure SetLastPos(const AValue: TPoint);
public
property Name: string read FName;
property AccessLevel: TAccessLevel read FAccessLevel write SetAccessLevel;
property PasswordHash: string read FPasswordHash write SetPasswordHash;
property LastPos: TPoint read FLastPos write SetLastPos;
property Regions: TStringList read FRegions;
procedure Invalidate;
end;
{ TAccountList }
TAccountList = class(TObjectList, ISerializable, IInvalidate)
constructor Create(AOwner: IInvalidate); reintroduce;
constructor Deserialize(AOwner: IInvalidate; AElement: TDOMElement);
procedure Serialize(AElement: TDOMElement);
protected
FOwner: IInvalidate;
public
function IndexOf(AName: string): Integer;
function Find(AName: string): TAccount;
procedure Delete(AName: string);
procedure Invalidate;
end;
implementation
uses
UCEDServer, UConfig;
{ TAccount }
constructor TAccount.Create(AOwner: IInvalidate; AName, APasswordHash: string;
AAccessLevel: TAccessLevel; ARegions: TStringList);
begin
inherited Create;
FOwner := AOwner;
FName := AName;
FPasswordHash := APasswordHash;
FAccessLevel := AAccessLevel;
if ARegions <> nil then
FRegions := ARegions
else
FRegions := TStringList.Create;
end;
constructor TAccount.Deserialize(AOwner: IInvalidate; AElement: TDOMElement);
var
xmlElement, xmlRegion: TDOMElement;
nodelist: TDOMNodeList;
i: Integer;
begin
inherited Create;
FOwner := AOwner;
FName := TXmlHelper.ReadString(AElement, 'Name', '');
FAccessLevel := TAccessLevel(TXmlHelper.ReadInteger(AElement, 'AccessLevel', 0));
FPasswordHash := TXmlHelper.ReadString(AElement, 'PasswordHash', '');
FLastPos := Point(0, 0);
TXmlHelper.ReadCoords(AElement, 'LastPos', FLastPos.X, FLastPos.Y);
FRegions := TStringList.Create;
xmlElement := TDOMElement(AElement.FindNode('Regions'));
if xmlElement <> nil then
begin
nodeList := xmlElement.GetChildNodes;
for i := 0 to nodeList.Count - 1 do
begin
if nodeList.Item[i].NodeName = 'Region' then
begin
xmlRegion := TDOMElement(nodeList.Item[i]);
if assigned(xmlRegion.FirstChild) then
FRegions.Add(TDOMText(xmlRegion.FirstChild).Data);
end;
end;
nodeList.Free;
end;
end;
destructor TAccount.Destroy;
begin
if FRegions <> nil then FreeAndNil(FRegions);
inherited Destroy;
end;
procedure TAccount.SetAccessLevel(const AValue: TAccessLevel);
begin
FAccessLevel := AValue;
Invalidate;
end;
procedure TAccount.SetPasswordHash(const AValue: string);
begin
FPasswordHash := AValue;
Invalidate;
end;
procedure TAccount.SetLastPos(const AValue: TPoint);
begin
FLastPos.x := EnsureRange(AValue.x, 0, CEDServerInstance.Landscape.CellWidth - 1);
FLastPos.y := EnsureRange(AValue.y, 0, CEDServerInstance.Landscape.CellHeight - 1);
Invalidate;
end;
procedure TAccount.Invalidate;
begin
FOwner.Invalidate;
end;
procedure TAccount.Serialize(AElement: TDOMElement);
var
i: Integer;
child, regionNode: TDOMElement;
begin
TXmlHelper.WriteString(AElement, 'Name', FName);
TXmlHelper.WriteString(AElement, 'PasswordHash', FPasswordHash);
TXmlHelper.WriteInteger(AElement, 'AccessLevel', Integer(FAccessLevel));
TXmlHelper.WriteCoords(AElement, 'LastPos', FLastPos.X, FLastPos.Y);
child := TXmlHelper.AssureElement(AElement, 'Regions');
for i := 0 to FRegions.Count -1 do
if Config.Regions.Find(FRegions[i]) <> nil then //Validate if the region (still) exists
begin
regionNode := child.OwnerDocument.CreateElement('Region');
child.AppendChild(regionNode);
regionNode.AppendChild(regionNode.OwnerDocument.CreateTextNode(FRegions[i]));
end;
end;
{ TAccountList }
constructor TAccountList.Create(AOwner: IInvalidate);
begin
inherited Create(True);
FOwner := AOwner;
end;
constructor TAccountList.Deserialize(AOwner: IInvalidate; AElement: TDOMElement);
var
nodelist: TDOMNodeList;
i: Integer;
begin
Create(AOwner);
nodeList := AElement.GetChildNodes;
for i := 0 to nodeList.Count - 1 do
begin
if nodeList.Item[i].NodeName = 'Account' then
Add(TAccount.Deserialize(Self, TDOMElement(nodeList.Item[i])));
end;
nodeList.Free;
end;
function TAccountList.IndexOf(AName: string): Integer;
var
i: Integer;
begin
Result := -1;
i := 0;
while (i < Count) and (Result = -1) do
begin
if TAccount(Items[i]).Name = AName then
Result := i;
Inc(i);
end;
end;
function TAccountList.Find(AName: string): TAccount;
var
i: Integer;
begin
i := IndexOf(AName);
if i > -1 then
Result := TAccount(Items[i])
else
Result := nil;
end;
procedure TAccountList.Delete(AName: string);
var
i: Integer;
begin
i := IndexOf(AName);
if i > -1 then
inherited Delete(i);
end;
procedure TAccountList.Invalidate;
begin
FOwner.Invalidate;
end;
procedure TAccountList.Serialize(AElement: TDOMElement);
var
i: Integer;
xmlAccount: TDOMElement;
begin
for i := 0 to Count - 1 do
begin
xmlAccount := AElement.OwnerDocument.CreateElement('Account');
AElement.AppendChild(xmlAccount);
TAccount(Items[i]).Serialize(xmlAccount);
end;
end;
end.