unit OrdersService_Impl;

{----------------------------------------------------------------------------}
{ This unit was automatically generated by the RemObjects SDK after reading  }
{ the RODL file associated with this project .                               }
{                                                                            }
{ This is where you are supposed to code the implementation of your objects. }
{----------------------------------------------------------------------------}

interface

uses
  {vcl:} Classes, SysUtils,
  {RemObjects:} uROClientIntf, uROTypes, uROServer, uROServerIntf, uROSessions,
  {Required:} uRORemoteDataModule,
  {Ancestor Implementation:} DataAbstractService_Impl,
  {Used RODLs:} DataAbstract4_Intf,
  {Generated:} MegaDemoLibrary_Intf, uDAClasses, uDADataStreamer,
  uDABinAdapter, uDAScriptingProvider, uDABusinessProcessor;

type
  { TOrdersService }
  TOrdersService = class(TDataAbstractService, IOrdersService)
    bpCustomers: TDABusinessProcessor;
    BinDataStreamer: TDABinDataStreamer;
    Schema: TDASchema;
    procedure DataAbstractServiceBeforeAcquireConnection(aSender: TObject;
      var aConnectionName: string);
  private
  protected
    { IOrdersService methods }
    function GetCustomerOrders(const CustomerID: string): Binary;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} MegaDemoLibrary_Invk,
  MegaDemoServer_Data, MegaDemoServer_Main;

procedure Create_OrdersService(out anInstance: IUnknown);
begin
  anInstance := TOrdersService.Create(nil);
end;

{ OrdersService }

function TOrdersService.GetCustomerOrders(const CustomerID: string): Binary;
var
  aTableNameArray: StringArray;
  aTableRequestInfoArray: TableRequestInfoArray;
  aTableRequestInfo: TableRequestInfo;
begin
  // This method reads all the orders of the specified customer and also filters
  // based on the current employee's ID. The employee ID has been previously stored
  // in the session upon the call to LoginService.Login.

  aTableNameArray := StringArray.Create;
  aTableRequestInfoArray := TableRequestInfoArray.Create;
  try
    aTableNameArray.Add('OrdersByCustomer');
    aTableRequestInfo := aTableRequestInfoArray.Add;
    with aTableRequestInfo do begin
      IncludeSchema := True;
      MaxRecords := -1;
      UserFilter := '';
      with Parameters.Add do begin
        Name := 'CustomerID';
        Value := CustomerID;
      end;
      with Parameters.Add do begin
        Name := 'EmployeeID';
        Value := Session['EmployeeID'];
      end;
    end;
    Result := GetData(aTableNameArray, aTableRequestInfoArray)
  finally
    aTableRequestInfoArray.Free;
    aTableNameArray.Free;
  end;
end;

procedure TOrdersService.DataAbstractServiceBeforeAcquireConnection(
  aSender: TObject; var aConnectionName: string);
begin
  // Reads the connection name from the main form.
  aConnectionName := MegaDemoServer_MainForm.GetSelectedConnectionName;
end;

initialization
  TROClassFactory.Create('OrdersService', Create_OrdersService, TOrdersService_Invoker);

finalization

end.