delphimvcframework/samples/middleware_analytics/WebModuleU.pas
2020-08-22 15:37:08 +02:00

140 lines
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// ***************************************************************************
//
// Delphi MVC Framework
//
// Copyright (c) 2010-2020 Daniele Teti and the DMVCFramework Team
//
// https://github.com/danieleteti/delphimvcframework
//
// ***************************************************************************
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// *************************************************************************** }
unit WebModuleU;
interface
uses
System.SysUtils,
System.Classes,
Web.HTTPApp,
MVCFramework;
type
TMyWebModule = class(TWebModule)
procedure WebModuleCreate(Sender: TObject);
procedure WebModuleDestroy(Sender: TObject);
private
FMVC: TMVCEngine;
public
{ Public declarations }
end;
var
WebModuleClass: TComponentClass = TMyWebModule;
implementation
{$R *.dfm}
uses
MainControllerU,
System.IOUtils,
MVCFramework.Commons,
MVCFramework.Serializer.Commons,
LoggerPro.FileAppender,
LoggerPro,
System.DateUtils,
MVCFramework.Middleware.Analytics,
MVCFramework.Middleware.StaticFiles;
var
GLogWriter: ILogWriter = nil;
GLock: TObject = nil;
function GetLoggerForAnalytics: ILogWriter;
var
lLog: ILogAppender;
begin
if GLogWriter = nil then
begin
TMonitor.Enter(GLock);
try
if GLogWriter = nil then // double check locking (https://en.wikipedia.org/wiki/Double-checked_locking)
begin
lLog := TLoggerProFileAppender.Create(5, 2000, AppPath + 'analytics', [], '%s.%2.2d.%s.csv');
TLoggerProFileAppender(lLog).OnLogRow := procedure(const LogItem: TLogItem; out LogRow: string)
begin
LogRow := Format('%s;%s;%s;%s', [
FormatDateTime('yyyy-mm-dd hh:nn:ss', LogItem.TimeStamp),
LogItem.LogTypeAsString,
LogItem.LogMessage,
LogItem.LogTag]);
end;
GLogWriter := BuildLogWriter([lLog]);
end;
finally
TMonitor.Exit(GLock);
end;
end;
Result := GLogWriter;
end;
procedure TMyWebModule.WebModuleCreate(Sender: TObject);
begin
FMVC := TMVCEngine.Create(Self,
procedure(Config: TMVCConfig)
begin
// session timeout (0 means session cookie)
Config[TMVCConfigKey.SessionTimeout] := '0';
// default content-type
Config[TMVCConfigKey.DefaultContentType] := TMVCConstants.DEFAULT_CONTENT_TYPE;
// default content charset
Config[TMVCConfigKey.DefaultContentCharset] := TMVCConstants.DEFAULT_CONTENT_CHARSET;
// unhandled actions are permitted?
Config[TMVCConfigKey.AllowUnhandledAction] := 'false';
// default view file extension
Config[TMVCConfigKey.DefaultViewFileExtension] := 'html';
// view path
Config[TMVCConfigKey.ViewPath] := 'templates';
// Enable Server Signature in response
Config[TMVCConfigKey.ExposeServerSignature] := 'false';
end);
FMVC.AddController(TMainController);
FMVC.AddMiddleware(TMVCAnalyticsMiddleware.Create(GetLoggerForAnalytics));
FMVC.AddMiddleware(TMVCStaticFilesMiddleware.Create(
'/', { StaticFilesPath }
TPath.Combine(ExtractFilePath(GetModuleName(HInstance)), 'www'), { DocumentRoot }
'index.html', {IndexDocument - Before it was named fallbackresource}
False
));
end;
procedure TMyWebModule.WebModuleDestroy(Sender: TObject);
begin
FMVC.Free;
end;
initialization
GLock := TObject.Create;
finalization
GLock.Free;
end.