unit U_log;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, ToolWin, ShlObj, cxShellCommon, cxControls, cxDropDownEdit,
  cxContainer, cxShellTreeView, cxShellListView, StdCtrls, BtnEdit,
  OleCtnrs, DB, ADODB,DBClient,cxGridDBTableView, cxStyles, cxCustomData,
  cxGraphics, cxFilter, cxData, cxDataStorage, cxEdit, DBGrids, cxDBData,
  cxGridLevel, cxClasses, cxGridCustomView, StrUtils, Midas,cxMRUEdit,
  cxGridCustomTableView, cxGridTableView, cxTimeEdit, cxButtonEdit,
  cxTreeView, cxGrid, cxDBLookupComboBox, cxCalendar, cxCurrencyEdit,
  cxGridExportLink, cxMemo, cxTextEdit, RTComboBox, dxLayoutControl,RegularExpressions;


function getCDSDataChangeLog(keyNo,SerialNoFieldName:string;TV_Edit: TcxGridDBTableView;ADOCmd:TADOQuery): string;
function getMainDataChangeLog(dxLayoutControl:TdxLayoutControl;ADOQueryCmd:TADOQuery; mTag: Integer): String;
function WriteChangeLog(FMainId,ModelStr,OperorStr:string;dxLayoutControl:TdxLayoutControl; mTag: Integer;ADO_Main:TADOQuery;SubIdFieldName,SerialNoFieldName:string;TV1: TcxGridDBTableView;ADO_Sub:TADOQuery; ADOQueryBaseCmd:TADOQuery): Boolean;
//单表日志记录
function WriteOneTableChangeLog(keyNo,ModelStr,OperorStr:string;dxLayoutControl:TdxLayoutControl; mTag: Integer;ADO_Main:TADOQuery;ADOQueryBaseCmd:TADOQuery): Boolean;
//通过日志字符串写日志
function WriteLog(keyNo,ModelStr,OperorStr:string;logStr:string;ADOQueryBaseCmd:TADOQuery): Boolean;
implementation
//////////////////////////////主明细表////////////////////////////////
//FMainId：主表主键； ModelStr：模块名称；  OperorStr：操作员，父类
/// SubIdFieldName:子表主键
//SerialNoFieldName 子表序号
function WriteChangeLog(FMainId,ModelStr,OperorStr:string;dxLayoutControl:TdxLayoutControl; mTag: Integer;ADO_Main:TADOQuery;SubIdFieldName,SerialNoFieldName:string;TV1: TcxGridDBTableView;ADO_Sub:TADOQuery; ADOQueryBaseCmd:TADOQuery): Boolean;
var
  TmpStr: string;
  mainlogStr,sublogstr:string;
begin
  try
    Result := false;
    mainlogStr:=getMainDataChangeLog(dxLayoutControl,ADO_Main,mTag);
    sublogstr:=getCDSDataChangeLog(SubIdFieldName,SerialNoFieldName,TV1,ADO_Sub);
    TmpStr:= trim(mainlogStr) +  trim(sublogstr) ;
    if TmpStr='' then
    begin
      result:=true;
      exit;
    end;
    with ADOQueryBaseCmd do begin
      close;
      sql.Clear;
      sql.Add(' insert into SY_SysLog(operor,opertime,Model,acction,opevent,result) values( ');
      sql.Add(' ' + quotedstr(Trim(OperorStr)));
      sql.Add(',getdate() ');
      sql.Add(',' + quotedstr(Trim(ModelStr)));
      sql.Add(',' + quotedstr(Trim('数据修改')));
      sql.Add(',' + quotedstr(TmpStr));
      sql.Add(',' + quotedstr(Trim('成功')));
      sql.Add(')');
      execsql;
    end;
    Result := True;
  except
    raise Exception.Create(PWideChar('保存数据修改日志时，发生错误!'));
  end;
end;

//////////////////////
//单表日志记录
//FMainId：
function WriteOneTableChangeLog(keyNo,ModelStr,OperorStr:string;dxLayoutControl:TdxLayoutControl; mTag: Integer;ADO_Main:TADOQuery;ADOQueryBaseCmd:TADOQuery): Boolean;
var
  TmpStr: string;
begin
  try
    Result := false;
    TmpStr:=getMainDataChangeLog(dxLayoutControl,ADO_Main,mTag);
    if TmpStr='' then
    begin
      result:=true;
      exit;
    end;
    with ADOQueryBaseCmd do begin
      close;
      sql.Clear;
      sql.Add(' insert into SY_SysLog(operor,opertime,Model,acction,opevent,result) values( ');
      sql.Add(' ' + quotedstr(Trim(OperorStr)));
      sql.Add(',getdate() ');
      sql.Add(',' + quotedstr(Trim(ModelStr)));
      sql.Add(',' + quotedstr(Trim('数据修改')));
      sql.Add(',' + quotedstr(TmpStr));
      sql.Add(',' + quotedstr(keyNo));
      sql.Add(')');
      execsql;
    end;
    Result := True;
  except
    raise Exception.Create(PWideChar('保存数据修改日志时，发生错误!'));
  end;
end;

//////////////////////
//通过日志字符串写日志
function WriteLog(keyNo,ModelStr,OperorStr:string;logStr:string;ADOQueryBaseCmd:TADOQuery): Boolean;
var
  TmpStr: string;
begin
  try
    Result := false;
    if logStr='' then
    begin
      result:=true;
      exit;
    end;
    with ADOQueryBaseCmd do begin
      close;
      sql.Clear;
      sql.Add(' insert into SY_SysLog(operor,opertime,Model,acction,opevent,result) values( ');
      sql.Add(' ' + quotedstr(Trim(OperorStr)));
      sql.Add(',getdate() ');
      sql.Add(',' + quotedstr(Trim(ModelStr)));
      sql.Add(',' + quotedstr(Trim('数据修改')));
      sql.Add(',' + quotedstr(logStr));
     // sql.Add(',' + quotedstr(keyNo));
      sql.Add(',' + quotedstr(keyNo));
      sql.Add(')');
      execsql;
    end;
    Result := True;
  except
    raise Exception.Create(PWideChar('保存数据修改日志时，发生错误!'));
  end;
end;

function getCDSDataChangeLog(keyNo,SerialNoFieldName:string;TV_Edit: TcxGridDBTableView;ADOCmd:TADOQuery): string;
var
  i,k: integer;
  TmpLogStr: string;
  TmpField: TField;
  TmpColumn: TcxGridDBColumn;
  mLogStr:string;
  CDS_Edit: TClientDataset;
begin
  mLogStr := '';
  result:='';
  CDS_Edit:= TV_Edit.DataController.DataSource.DataSet as TClientDataset;
  try
    if TV_Edit = nil then
    begin
      exit;
    end;
    if CDS_Edit = nil then
    begin
      exit;
    end;
    if TV_Edit.DataController.DataSource.DataSet <> CDS_Edit then
    begin
      exit;
    end;
//    LogEntry := Format('表[%s] 字段[%s] 从[%s] 改为[%s] 时间[%s] 用户[%s]',
    with ADOCmd do
    begin
      First;
      k:=1;
      while not eof do
      begin
        if not CDS_Edit.Locate(keyNo, FieldByName(keyNo).Value, []) then
        begin
          Continue;
        end;
        TmpLogStr := '';
        for i := 0 to Fields.Count-1 do
        begin
          TmpField := CDS_Edit.FindField(Fields[i].FieldName);
          TmpColumn := TV_Edit.GetColumnByFieldName(Fields[i].FieldName);
          if (TmpField <> nil) and (TmpColumn <> nil) and (Trim(Fields[i].AsString) <> Trim(TmpField.AsString)) then
          begin
            TmpLogStr := TmpLogStr + '[' + TmpColumn.Caption  + ':' + trim(Fields[i].AsString) + '→' + trim(TmpField.AsString) + ']';
          end;
        end;
        if TmpLogStr <> '' then
        begin
         if (SerialNoFieldName<>'') and (Fields.FindField(SerialNoFieldName)<>nil) then
           mLogStr := mLogStr + '{' + '序号:' + trim(FieldByName(SerialNoFieldName).AsString) + '|' + trim(FieldByName(keyNo).AsString) + TmpLogStr + '}'+#10#13
         else
           mLogStr := mLogStr + '{' + '序号:' + inttostr(k) + '|' + trim(FieldByName(keyNo).AsString) + TmpLogStr + '}'+#10#13 ;
        end;
        Next;
      end;
    end;

    result:=mLogStr;
  except
    raise Exception.Create(PWideChar('获取修改字段时，发生错误!'));
  end;
end;

function getMainDataChangeLog(dxLayoutControl:TdxLayoutControl;ADOQueryCmd:TADOQuery; mTag: Integer): String;
var
  i: integer;
  mLogStr,mcaption:string;
  mOldValue,mNewValue:string;
begin
  try
    mLogStr := '';
    with dxLayoutControl do
    begin
      for i := 0 to ControlCount - 1 do
      begin
        mcaption:=TRegEx.Replace(trim(dxLayoutControl.FindItem(Controls[i]).CaptionOptions.Text), '\[.*?\]', '');
        mOldValue:=trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString);

        if Controls[i].Tag = mTag then
        begin
          if Controls[i] is TcxButtonEdit then
          begin
            mNewValue:=  Trim(TcxButtonEdit(Controls[i]).Text) ;
            if Trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString) <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption  + ':' +mOldValue + '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TcxCurrencyEdit then
          begin
            mNewValue:=  Trim(TcxCurrencyEdit(Controls[i]).Text) ;
            if ADOQueryCmd.fieldByName(Controls[i].Name).Value <> TcxCurrencyEdit(Controls[i]).Value then
            begin
              mLogStr := mLogStr + '[' + mcaption  + ':' + mOldValue + '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TcxTextEdit then
          begin
            mNewValue:=  Trim(TcxTextEdit(Controls[i]).Text) ;
            if Trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString) <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' +mOldValue + '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TcxMRUEdit then
          begin
            mNewValue:=  Trim(TcxMRUEdit(Controls[i]).Text) ;
            if Trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString) <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' +mOldValue + '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TRichEdit then
          begin
            mNewValue:=  Trim(TRichEdit(Controls[i]).Text) ;
            if ADOQueryCmd.fieldByName(Controls[i].Name).AsString <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption  + ':' + mOldValue + '→' + mNewValue+ ']';
            end;
          end
          else if Controls[i] is TcxComboBox then
          begin
            mNewValue:=  Trim(TcxComboBox(Controls[i]).Text) ;
            if Trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString) <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' + mOldValue + '→' + mNewValue+ ']';
            end;
          end
          else if Controls[i] is TcxDateEdit then
          begin
            mNewValue:=  Trim(TcxDateEdit(Controls[i]).Text) ;
            if ADOQueryCmd.fieldByName(Controls[i].Name).AsDateTime <> TcxDateEdit(Controls[i]).Date then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' + mOldValue+ '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TcxMemo then
          begin
            mNewValue:=  Trim(TcxMemo(Controls[i]).Text) ;
            if Trim(ADOQueryCmd.fieldByName(Controls[i].Name).AsString) <> mNewValue then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' + mOldValue + '→' + mNewValue + ']';
            end;
          end
          else if Controls[i] is TcxTimeEdit then
          begin
            if ADOQueryCmd.fieldByName(Controls[i].Name).AsDateTime <> TcxTimeEdit(Controls[i]).Time then
            begin
              mLogStr := mLogStr + '[' + mcaption + ':' + mOldValue + '→' + Trim(TcxTimeEdit(Controls[i]).Text) + ']';
            end;
          end;
        end;
      end;
    end;
    if mLogStr = '' then
    begin
      exit;
    end;
    mLogStr:=mLogStr + #13#10 ;
    result:=mLogStr;
  except
    raise Exception.Create(PWideChar('获取修改字段时，发生错误!'));
  end;
end;

end.