delphimvcframework/sources/MVCFramework.Serializer.HTML.pas
2023-01-17 08:52:26 +01:00

405 lines
13 KiB
ObjectPascal

// ***************************************************************************
//
// Delphi MVC Framework
//
// Copyright (c) 2010-2023 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 MVCFramework.Serializer.HTML;
{$I dmvcframework.inc}
{$WARN SYMBOL_DEPRECATED OFF}
interface
uses
System.SysUtils,
System.Classes,
System.Rtti,
System.TypInfo,
System.Variants,
System.Generics.Collections,
Data.SqlTimSt,
Data.FmtBcd,
Data.DB,
MVCFramework.Commons,
MVCFramework.Serializer.Intf,
MVCFramework.Serializer.Abstract,
MVCFramework.DuckTyping,
MVCFramework.Serializer.Commons;
type
TMVCHTMLSerializer = class(TMVCAbstractSerializer, IMVCSerializer)
protected
procedure RaiseNotImplemented;
public
procedure AfterConstruction; override;
{ IMVCSerializer }
procedure RegisterTypeSerializer(const ATypeInfo: PTypeInfo; AInstance: IMVCTypeSerializer);
function SerializeObject(
const AObject: TObject;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ASerializationAction: TMVCSerializationAction = nil
): string; overload;
function SerializeObject(
const AObject: IInterface;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ASerializationAction: TMVCSerializationAction = nil
): string; overload;
function SerializeRecord(
const ARecord: Pointer;
const ARecordTypeInfo: PTypeInfo;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ASerializationAction: TMVCSerializationAction = nil
): string; overload;
function SerializeCollection(
const AList: TObject;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ASerializationAction: TMVCSerializationAction = nil
): string; overload;
function SerializeCollection(
const AList: IInterface;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ASerializationAction: TMVCSerializationAction = nil
): string; overload;
function SerializeDataSet(
const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList = [];
const ANameCase: TMVCNameCase = ncAsIs;
const ASerializationAction: TMVCDatasetSerializationAction = nil
): string;
function SerializeDataSetRecord(
const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList = [];
const ANameCase: TMVCNameCase = ncAsIs;
const ASerializationAction: TMVCDatasetSerializationAction = nil
): string;
procedure DeserializeObject(
const ASerializedObject: string;
const AObject: TObject;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ARootNode: string = ''
); overload;
procedure DeserializeObject(
const ASerializedObject: string;
const AObject: IInterface;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil
); overload;
procedure DeserializeCollection(
const ASerializedList: string;
const AList: TObject;
const AClazz: TClass;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil;
const ARootNode: string = ''
); overload;
procedure DeserializeCollection(
const ASerializedList: string;
const AList: IInterface;
const AClazz: TClass;
const AType: TMVCSerializationType = stDefault;
const AIgnoredAttributes: TMVCIgnoredList = nil
); overload;
procedure DeserializeDataSet(
const ASerializedDataSet: string;
const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList = [];
const ANameCase: TMVCNameCase = ncAsIs
);
procedure DeserializeDataSetRecord(
const ASerializedDataSetRecord: string;
const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList = [];
const ANameCase: TMVCNameCase = ncAsIs
);
end;
implementation
uses
System.NetEncoding,
MVCFramework,
MVCFramework.Logger,
MVCFramework.DataSet.Utils,
MVCFramework.Nullables;
const
HTML_HEADER = '<!DOCTYPE html><html><head><title>DMVCFramework Exception</title>' +
'<style>' +
// 'body {font-size: 120%; max-width: 800px; margin: auto; font-family: Calibri,Candara,Segoe,Segoe UI,Optima,Arial,sans-serif; }' +
'body{' +
' font-family: Arial, Helvetica, sans-serif;' +
' font-size: 200%;' +
' }' +
' .info, .success, .warning, .error, .validation {' +
' border: 1px solid;' +
' margin: 10px 0px;' +
' padding: 15px 10px 15px 25px;' +
' background-repeat: no-repeat;' +
' background-position: 10px center;' +
' }' +
' .info {' +
' color: #00529B;' +
' background-color: #BDE5F8;' +
' font-size: 50%;' +
' }' +
' .success {' +
' color: #4F8A10;' +
' background-color: #DFF2BF;' +
' }' +
' .warning {' +
' color: #9F6000;' +
' background-color: #FEEFB3;' +
' font-size: 70%;' +
' }' +
' .error{' +
' color: #D8000C;' +
' background-color: #FFBABA;' +
' }' +
'.container {max-width: 1000px; margin: auto; margin-top: 3rem;}' +
'</style>' +
'</head><body><div class="container">';
HTML_FOOTER = '</div></body></html>';
function HTMLEntitiesEncode(const Text: string): String;
begin
Result := TNetEncoding.HTML.Encode(Text);
end;
{ TMVCHTMLSerializer }
procedure TMVCHTMLSerializer.AfterConstruction;
begin
inherited AfterConstruction;
end;
procedure TMVCHTMLSerializer.DeserializeCollection(
const ASerializedList: string; const AList: IInterface; const AClazz: TClass;
const AType: TMVCSerializationType;
const AIgnoredAttributes: TMVCIgnoredList);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.DeserializeCollection(
const ASerializedList: string; const AList: TObject; const AClazz: TClass;
const AType: TMVCSerializationType; const AIgnoredAttributes: TMVCIgnoredList;
const ARootNode: string);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.DeserializeDataSet(
const ASerializedDataSet: string; const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList; const ANameCase: TMVCNameCase);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.DeserializeDataSetRecord(
const ASerializedDataSetRecord: string; const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList; const ANameCase: TMVCNameCase);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.DeserializeObject(const ASerializedObject: string;
const AObject: TObject; const AType: TMVCSerializationType;
const AIgnoredAttributes: TMVCIgnoredList; const ARootNode: string);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.DeserializeObject(const ASerializedObject: string;
const AObject: IInterface; const AType: TMVCSerializationType;
const AIgnoredAttributes: TMVCIgnoredList);
begin
RaiseNotImplemented;
end;
procedure TMVCHTMLSerializer.RaiseNotImplemented;
begin
raise EMVCException.Create('Not Implemented');
end;
procedure TMVCHTMLSerializer.RegisterTypeSerializer(const ATypeInfo: PTypeInfo;
AInstance: IMVCTypeSerializer);
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeCollection(const AList: TObject;
const AType: TMVCSerializationType; const AIgnoredAttributes: TMVCIgnoredList;
const ASerializationAction: TMVCSerializationAction): string;
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeCollection(const AList: IInterface;
const AType: TMVCSerializationType; const AIgnoredAttributes: TMVCIgnoredList;
const ASerializationAction: TMVCSerializationAction): string;
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeDataSet(const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList; const ANameCase: TMVCNameCase;
const ASerializationAction: TMVCDatasetSerializationAction): string;
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeDataSetRecord(const ADataSet: TDataSet;
const AIgnoredFields: TMVCIgnoredList; const ANameCase: TMVCNameCase;
const ASerializationAction: TMVCDatasetSerializationAction): string;
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeObject(const AObject: TObject;
const AType: TMVCSerializationType; const AIgnoredAttributes: TMVCIgnoredList;
const ASerializationAction: TMVCSerializationAction): string;
var
lBody: string;
lMVCException: EMVCException;
lException: Exception;
lErrResponse: TMVCErrorResponse;
lErrResponseItem: TMVCErrorResponseItem;
lErr: string;
function EmitExceptionClass(const Value: string): string;
begin
Result := Result + '<div class="warning">Exception Class Name: ' + HTMLEntitiesEncode(Value) + '</div>';
end;
function EmitTitle(const HTTPStatusCode: Word; const Value: string): string;
begin
Result := '';
if Assigned(FConfig) then
begin
Result := '<h1>' + FConfig[TMVCConfigKey.ServerName] + '</h1>';
end;
Result := Result + '<div class="error"><p>' +
HTTPStatusCode.ToString + ' ' +
HTTP_STATUS.ReasonStringFor(HTTPStatusCode) + '</p>';
Result := Result + '<p>' + HTMLEntitiesEncode(Value) + '</p></div>';
end;
begin
lBody := '';
if AObject is Exception then
begin
if AObject is EMVCException then
begin
lMVCException := EMVCException(AObject);
lBody :=
EmitTitle(lMVCException.HttpErrorCode, lMVCException.Message) + sLineBreak +
EmitExceptionClass(lMVCException.ClassName) + sLineBreak +
'<p>' + HTMLEntitiesEncode(lMVCException.DetailedMessage) + '</p>' + sLineBreak +
'<div class="info">' +
'<p> Application Error Code: ' + lMVCException.ApplicationErrorCode.ToString + '</p>' + sLineBreak;
if Length(lMVCException.ErrorItems) > 0 then
begin
lBody := lBody + '<p> Error Items: <ul>' + sLineBreak;
for lErr in lMVCException.ErrorItems do
begin
lBody := lBody + '<li>' + HTMLEntitiesEncode(lErr) + '</li>';
end;
lBody := lBody + '<ul></p>';
end;
lBody := lBody + '<ul></p></div>';
end
else
begin
lException := Exception(AObject);
lBody := EmitTitle(500, lException.Message) + sLineBreak +
EmitExceptionClass(lException.ClassName) + sLineBreak;
end;
end;
if AObject is TMVCErrorResponse then
begin
lErrResponse := TMVCErrorResponse(AObject);
lBody :=
EmitTitle(lErrResponse.StatusCode, lErrResponse.Message) + sLineBreak +
EmitExceptionClass(lErrResponse.ClassName) + sLineBreak +
'<div class="info">' +
'<p>' + HTMLEntitiesEncode(lErrResponse.DetailedMessage) + '</p>' + sLineBreak +
'<p>Application Error Code: ' + lErrResponse.AppErrorCode.ToString + '</p>' + sLineBreak;
if lErrResponse.Items.Count > 0 then
begin
lBody := lBody + '<p>Error Items: <ul>' + sLineBreak;
for lErrResponseItem in lErrResponse.Items do
begin
lBody := lBody + '<li>' + HTMLEntitiesEncode(lErrResponseItem.Message) + '</li>';
end;
lBody := lBody + '<ul></p>';
end;
lBody := lBody + '</div>';
end;
if lBody.IsEmpty then
begin
RaiseNotImplemented
end
else
begin
Result := HTML_HEADER + lBody + HTML_FOOTER;
end;
end;
function TMVCHTMLSerializer.SerializeObject(const AObject: IInterface;
const AType: TMVCSerializationType;
const AIgnoredAttributes: TMVCIgnoredList;
const ASerializationAction: TMVCSerializationAction): string;
begin
RaiseNotImplemented;
end;
function TMVCHTMLSerializer.SerializeRecord(const ARecord: Pointer;
const ARecordTypeInfo: PTypeInfo; const AType: TMVCSerializationType;
const AIgnoredAttributes: TMVCIgnoredList;
const ASerializationAction: TMVCSerializationAction): string;
begin
raise Exception.Create('Not implemented');
end;
end.