unit BranchService;

interface

uses
  SysUtils, StrUtils, Classes, RealICQContacterTreeView, BaseService, ComCtrls,
  RealICQModel;

type
  TBranchService = class(TBaseService)
  private
    FServers: TStringList;
    FSelfUnit: TStringList;

    FOnGettedSelfUnitEvent: TNotifyEvent;
    FOnGettedBranchsEvent: TNotifyEvent;
    procedure OnGettedSelfUnit(AData: TObject);
    procedure ClearSelfUnit;
    procedure UpdateOrAddTreeView(ABranchs: TStringList;
      ATreeView: TRealICQContacterTreeView);
    procedure GetUsersCount(ABranchInfo: TRealICQBranchInfo; var OnlineCount,
      TotalCount: Integer);
    constructor Create;
  public
    destructor Destroy; override;
    class function GetBranchService: TBranchService;
    procedure Init;
    procedure Uninstall;
    function GetBranchs(AServerID: string): TStringList; overload;
    function GetBranchs: TStringList; overload;
    function GetSelfUnit: TStringList;
    function RequestBranchs(AServerID: string): TStringList; overload;
    function RequestBranchs(AServerID, AParentBranch: string): TStringList; overload;
    function RequestBranchs: TStringList; overload;
    function RequestSelfUnit: TStringList;

    property OnGettedBranchsEvent: TNotifyEvent read FOnGettedBranchsEvent write FOnGettedBranchsEvent;
    property OnGettedSelfUnitEvent: TNotifyEvent read FOnGettedSelfUnitEvent write FOnGettedSelfUnitEvent;
  end;

implementation

uses
  UsersService, MainFrm;

var
  ABranchService: TBranchService;

{ TBranchService }

function TBranchService.GetBranchs(AServerID: string): TStringList;
begin

end;

procedure TBranchService.ClearSelfUnit;
var
  obj: TObject;
begin
  while FSelfUnit.Count <> 0 do
  begin
    obj := FSelfUnit.Objects[0];
    FSelfUnit.Delete(0);
    FreeAndNil(obj);
  end;
end;

constructor TBranchService.Create;
begin
  inherited Create;
  FSelfUnit := TStringList.Create;
end;

destructor TBranchService.Destroy;
begin
  ClearSelfUnit;
  FreeAndNil(FSelfUnit);
  inherited;
end;

function TBranchService.GetBranchs: TStringList;
begin

end;

class function TBranchService.GetBranchService: TBranchService;
begin
  if ABranchService = nil then
    ABranchService := TBranchService.Create;
  Result := ABranchService;
end;

function TBranchService.GetSelfUnit: TStringList;
begin

end;

procedure TBranchService.OnGettedSelfUnit(AData: TObject);
var
  ABranchs: TStringList;
  iLoop: Integer;
  ATreeView: TRealICQContacterTreeView;
begin
  if AData = nil then
    Exit;
  ABranchs := AData as TStringList;
  ClearSelfUnit;
  for iLoop := 0 to ABranchs.Count - 1 do
    FSelfUnit.AddObject(ABranchs[iLoop], (ABranchs.Objects[iLoop] as TRealICQBranchInfo).Clone);
  ATreeView := GetTreeView(LVMyContacters);

  if ATreeView <> nil then
    UpdateOrAddTreeView(FSelfUnit, ATreeView);

  TUsersService.GetUsersService.RequestCompany(MainForm.RealICQClient);
  TUsersService.GetUsersService.RequestFriends(MainForm.RealICQClient);
end;

function TBranchService.RequestBranchs(AServerID: string): TStringList;
begin

end;

function TBranchService.RequestBranchs: TStringList;
begin

end;

function TBranchService.RequestBranchs(AServerID,
  AParentBranch: string): TStringList;
begin

end;

function TBranchService.RequestSelfUnit: TStringList;
begin
  MainForm.RealICQClient.SendGetBranchList;
end;

//-----计算某个部门的总上线人数和总用户数-----------------------------------
procedure  TBranchService.GetUsersCount(ABranchInfo: TRealICQBranchInfo;
  var OnlineCount, TotalCount: Integer);
var
  iLoop:Integer;
  TmpBranchInfo: TRealICQBranchInfo;
begin
  OnlineCount := OnlineCount + ABranchInfo.OnlineEmployee;
  TotalCount := TotalCount + ABranchInfo.EmployeeCount;
  for iLoop:= 0 to FSelfUnit.Count - 1  do
  begin
    TmpBranchInfo := FSelfUnit.Objects[iLoop] as TRealICQBranchInfo;
    if TmpBranchInfo.ParentID = ABranchInfo.ID then
      GetUsersCount(TmpBranchInfo, OnlineCount, TotalCount);
  end;
end;

procedure TBranchService.Init;
begin
  Uninstall;
  MainForm.RealICQClient.OnGettedBranchs := OnGettedSelfUnit;
  MainForm.RealICQClient.SendGetBranchList;
end;

procedure TBranchService.Uninstall;
begin
  MainForm.RealICQClient.OnGettedBranchs := nil;
  ClearStringList(FSelfUnit);
end;

procedure TBranchService.UpdateOrAddTreeView(ABranchs: TStringList;
  ATreeView: TRealICQContacterTreeView);
var
  iLoop: Integer;
  OnlineEmployee,EmployeeCount:Integer;
  BranchInfo: TRealICQBranchInfo;
  Branch: TRealICQBranch;
  ParentNode:TTreeNode;
begin
//  ATreeView.OnHeadImageMouseEnter := NodeOnHeadImageMouseEnter;
//  ATreeView.OnHeadImageMouseLeave := NodeOnHeadImageMouseLeave;
  ATreeView.AdjustPosition :=False;
  ATreeView.HideSystemScrollBar;

  ATreeView.BeginUpdate;
  try
    {$region '添加部门'}
    for iLoop := 0 to FSelfUnit.Count - 1 do
    begin
      BranchInfo := FSelfUnit.Objects[iLoop] as TRealICQBranchInfo;
      if (ATreeView.BranchItems.IndexOf(BranchInfo.ID)) >= 0 then Continue;
      OnlineEmployee:=0;
      EmployeeCount:=0;
      GetUsersCount(BranchInfo, OnlineEmployee, EmployeeCount);
      Branch := TRealICQBranch.Create(BranchInfo.BranchName);
      Branch.BranchID := BranchInfo.ID;
      Branch.ParentID := BranchInfo.ParentID;
      Branch.IsGetUserList:=False;
      Branch.OnlineEmployee:=OnlineEmployee;
      Branch.EmployeeCount:=EmployeeCount;
      ATreeView.AddBranch(Branch);
    end;

    ATreeView.ReAlignBranchs;
    {$endregion}
  finally
    ATreeView.EndUpdate;
  end;
end;

initialization

finalization
  if ABranchService <> nil then
    FreeAndNil(ABranchService);
  

end.