unit rmGclBillsCompareDm;
// Report Memory Gcl Bills Compare DataModule
// For [05.审核比较表] 支表01 工程量清单审核比较表（0号台账）

interface

uses
  SysUtils, Classes, ProjectData, sdDB, DB, DBClient, sdIDTree;

type
  TCompareGclNode = class
  private
    FB_Code: string;
    FIndexCode: string;
    FName: string;
    FUnits: string;
    FSQuantity: Double;
    FSPrice: Double;
    FSTotalPrice: Double;
    FCQuantity: Double;
    FCPrice: Double;
    FCTotalPrice: Double;
    FMemoStr: string;
    function GetDPrice: Double;
    function GetDQuantity: Double;
    function GetDTotalPrice: Double;
  public
    property B_Code: string read FB_Code write FB_Code;
    property IndexCode: string read FIndexCode write FIndexCode;
    property Name: string read FName write FName;
    property Units: string read FUnits write FUnits;
    // 原报
    property SQuantity: Double read FSQuantity write FSQuantity;
    property SPrice: Double read FSPrice write FSPrice;
    property STotalPrice: Double read FSTotalPrice write FSTotalPrice;
    // 审核
    property CQuantity: Double read FCQuantity write FCQuantity;
    property CPrice: Double read FCPrice write FCPrice;
    property CTotalPrice: Double read FCTotalPrice write FCTotalPrice;
    // 审核 - 原报
    property DQuantity: Double read GetDQuantity;
    property DPrice: Double read GetDPrice;
    property DTotalPrice: Double read GetDTotalPrice;
    property MemoStr: string read FMemoStr;
  end;

  TrmGclBillsCompareData = class(TDataModule)
    cdsBills: TClientDataSet;
    cdsBillsB_Code: TStringField;
    cdsBillsCodeIndex: TStringField;
    cdsBillsName: TWideStringField;
    cdsBillsUnits: TWideStringField;
    cdsBillsSQuantity: TFloatField;
    cdsBillsSPrice: TFloatField;
    cdsBillsSTotalPrice: TFloatField;
    cdsBillsCQuantity: TFloatField;
    cdsBillsCPrice: TFloatField;
    cdsBillsCTotalPrice: TFloatField;
    cdsBillsDQuantity: TFloatField;
    cdsBillsDPrice: TFloatField;
    cdsBillsDTotalPrice: TFloatField;
    cdsBillsMemoStr: TWideStringField;
  private
    FNodeList: TList;

    procedure LoadGclNodeData(AGclNode: TCompareGclNode; ARec: TsdDataRecord; AIsSource: Boolean);
    procedure FilterGclBills(ANode: TsdIDTreeNode; AIsSource: Boolean);
    procedure FilterBills(ANode: TsdIDTreeNode; AIsSource: Boolean);

    procedure WriteBills;
  public
    constructor Create;
    destructor Destroy; override;

    function AssignData(ASProjectData, ACProjectData: TProjectData): TDataSet;
  end;

implementation

uses
  Globals, UtilMethods, ZhAPI;

{$R *.dfm}

{ TCompareGclNode }

function TCompareGclNode.GetDPrice: Double;
begin
  {Result := FCPrice;
  if Result = 0 then
    Result := FSPrice;}
  Result := CPrice - SPrice;
end;

function TCompareGclNode.GetDQuantity: Double;
begin
  Result := CQuantity - SQuantity;
end;

function TCompareGclNode.GetDTotalPrice: Double;
begin
  Result := CTotalPrice - STotalPrice;
end;

{ TGclBillsCompareData }

function TrmGclBillsCompareData.AssignData(
  ASProjectData, ACProjectData: TProjectData): TDataSet;
begin
  cdsBills.Active := True;
  cdsBills.EmptyDataSet;
  ClearObjects(FNodeList);
  try
    FilterBills(ASProjectData.BillsCompileData.BillsCompileTree.FirstNode, True);
    FilterBills(ACProjectData.BillsCompileData.BillsCompileTree.FirstNode, False);
    WriteBills;
  finally
    Result := cdsBills;
  end;
end;

constructor TrmGclBillsCompareData.Create;
begin
  inherited Create(nil);
  FNodeList := TList.Create;
  cdsBills.IndexFieldNames := 'CodeIndex';
end;

destructor TrmGclBillsCompareData.Destroy;
begin
  ClearObjects(FNodeList);
  FNodeList.Free;
  inherited;
end;

procedure TrmGclBillsCompareData.FilterBills(ANode: TsdIDTreeNode;
  AIsSource: Boolean);
begin
  if not Assigned(ANode) then Exit;
  if ANode.HasChildren then
    FilterBills(ANode.FirstChild, AIsSource)
  else
    FilterGclBills(ANode, AIsSource);
  FilterBills(ANode.NextSibling, AIsSource);
end;

procedure TrmGclBillsCompareData.FilterGclBills(ANode: TsdIDTreeNode;
  AIsSource: Boolean);

  function CreateGclNode(ARec: TsdDataRecord): TCompareGclNode;
  begin
    Result := TCompareGclNode.Create;
    FNodeList.Add(Result);
    Result.FB_Code := ARec.ValueByName('B_Code').AsString;
    Result.FIndexCode := B_CodeToIndexCode(ARec.ValueByName('B_Code').AsString);
    Result.FName := ARec.ValueByName('Name').AsString;
    Result.FUnits := ARec.ValueByName('Units').AsString;
  end;

  function GetGclNode(ARec: TsdDataRecord): TCompareGclNode;
  var
    I: Integer;
    GclNode: TCompareGclNode;
  begin
    Result := nil;
    for I := 0 to FNodeList.Count - 1 do
    begin
      GclNode := TCompareGclNode(FNodeList.Items[I]);
      if SameText(GclNode.FB_Code, ARec.ValueByName('B_Code').AsString) and
          SameText(GclNode.FName, ARec.ValueByName('Name').AsString) and
          SameText(GclNode.FUnits, ARec.ValueByName('Units').AsString) then
      begin
        Result := GclNode;
        Break;
      end;
    end;
    if not Assigned(Result) then
      Result := CreateGclNode(ARec);
  end;

var
  Rec: TsdDataRecord;
  GclNode: TCompareGclNode;
begin
  if not Assigned(ANode) then Exit;
  Rec := ANode.Rec;
  if Rec.ValueByName('B_Code').AsString = '' then Exit;
  GclNode := GetGclNode(Rec);
  LoadGclNodeData(GclNode, Rec, AIsSource);
end;

procedure TrmGclBillsCompareData.LoadGclNodeData(AGclNode: TCompareGclNode;
  ARec: TsdDataRecord; AIsSource: Boolean);
begin
  if AIsSource then
  begin
    AGclNode.FSQuantity := AGclNode.FSQuantity + ARec.ValueByName('Quantity').AsFloat;
    AGclNode.FSPrice := ARec.ValueByName('Price').AsFloat;
    AGclNode.FSTotalPrice := AGclNode.FSTotalPrice + ARec.ValueByName('TotalPrice').AsFloat;
  end
  else
  begin
    AGclNode.FCQuantity := AGclNode.FCQuantity + ARec.ValueByName('Quantity').AsFloat;
    AGclNode.FCPrice := ARec.ValueByName('Price').AsFloat;
    AGclNode.FCTotalPrice := AGclNode.FCTotalPrice + ARec.ValueByName('TotalPrice').AsFloat;
  end;
end;

procedure TrmGclBillsCompareData.WriteBills;
var
  I: Integer;
  GclNode: TCompareGclNode;
begin
  for I := 0 to FNodeList.Count - 1 do
  begin
    GclNode := TCompareGclNode(FNodeList.Items[I]);
    cdsBills.Append;
    cdsBillsB_Code.AsString := GclNode.B_Code;
    cdsBillsCodeIndex.AsString := GclNode.IndexCode;
    cdsBillsName.AsString := GclNode.Name;
    cdsBillsUnits.AsString := GclNode.Units;

    cdsBillsSQuantity.AsFloat := GclNode.SQuantity;
    cdsBillsSPrice.AsFloat := GclNode.SPrice;
    cdsBillsSTotalPrice.AsFloat := GclNode.STotalPrice;

    cdsBillsCQuantity.AsFloat := GclNode.CQuantity;
    cdsBillsCPrice.AsFloat := GclNode.CPrice;
    cdsBillsCTotalPrice.AsFloat := GclNode.CTotalPrice;

    cdsBillsDQuantity.AsFloat := GclNode.DQuantity;
    cdsBillsDPrice.AsFloat := GclNode.DPrice;
    cdsBillsDTotalPrice.AsFloat := GclNode.DTotalPrice;

    cdsBillsMemoStr.AsString := GclNode.MemoStr;
    cdsBills.Post;
  end;
end;

end.