mirror of
https://github.com/danieleteti/delphimvcframework.git
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104 lines
2.9 KiB
ObjectPascal
104 lines
2.9 KiB
ObjectPascal
// ***************************************************************************
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//
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// Delphi MVC Framework
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//
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// Copyright (c) 2010-2021 Daniele Teti and the DMVCFramework Team
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//
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// https://github.com/danieleteti/delphimvcframework
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//
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// ***************************************************************************
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// ***************************************************************************
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unit MVCFramework.View.Renderers.TemplatePro;
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interface
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uses
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MVCFramework, System.Generics.Collections, System.SysUtils,
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MVCFramework.Commons, System.IOUtils, System.Classes;
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type
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{ This class implements the TemplatePro view engine for server side views }
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TMVCTemplateProViewEngine = class(TMVCBaseViewEngine)
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public
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procedure Execute(const ViewName: string;
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const OutputStream: TStream); override;
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end;
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implementation
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uses
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MVCFramework.Serializer.Defaults,
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MVCFramework.Serializer.Intf,
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MVCFramework.DuckTyping,
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TemplateProU,
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MVCFramework.Cache,
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Data.DB, System.Rtti;
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{$WARNINGS OFF}
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procedure TMVCTemplateProViewEngine.Execute(const ViewName: string;
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const OutputStream: TStream);
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var
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lTP: TTemplateProEngine;
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lViewFileName: string;
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lViewTemplate: UTF8String;
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lCacheItem: TMVCCacheItem;
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begin
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lTP := TTemplateProEngine.Create;
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try
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lViewFileName := GetRealFileName(ViewName);
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if not FileExists(lViewFileName) then
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begin
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raise EMVCFrameworkViewException.CreateFmt('View [%s] not found',
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[ViewName]);
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end;
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if not TMVCCacheSingleton.Instance.ContainsItem(lViewFileName, lCacheItem)
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then
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begin
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lViewTemplate := TFile.ReadAllText(lViewFileName, TEncoding.UTF8);
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lCacheItem := TMVCCacheSingleton.Instance.SetValue(lViewFileName,
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lViewTemplate);
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end
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else
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begin
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if lCacheItem.TimeStamp < TFile.GetLastWriteTime(lViewFileName) then
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begin
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lViewTemplate := TFile.ReadAllText(lViewFileName, TEncoding.UTF8);
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TMVCCacheSingleton.Instance.SetValue(lViewFileName,
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lViewTemplate);
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end;
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end;
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lViewTemplate := lCacheItem.Value.AsString;
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try
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lTP.Execute(lViewTemplate, TTPObjectListDictionary(ViewModel),
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TTPDatasetDictionary(ViewDataSets), OutputStream);
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except
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on E: EParserException do
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begin
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raise EMVCViewError.CreateFmt('View [%s] error: %s (%s)',
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[ViewName, E.Message, E.ClassName]);
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end;
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end;
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finally
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lTP.Free;
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end;
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end;
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end.
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