// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include <e32wins.h>

#include "TMsvServerStoreManager.h"

#include "MSVUTILS.H"

#include "MSVSERV.H"

#include "MSVPANIC.H"

#include "MSVAPI.H"

#include "msvindexadapter.h"

#include "msvpreferreddrivelist.h"

TMsvServerStoreManager::TMsvServerStoreManager() : iMsvServer(NULL),iFs(NULL)

	{

	}

void TMsvServerStoreManager::SetMsvServerAndFileSession(CMsvServer& aMsvServer,RFs& aFs)

	{

	iMsvServer = &aMsvServer;

	iFs = &aFs;

	}

/** Gets the filepath for the storage of binary files associated with the context

If the directory specified in the context does not exist, it is created.

@param aEntryId index id of the entry whose filepath is requested

@param aDirectory On return, contains the binary file directory path

@return KErrNone - success;

@return The server was unable to create the directory.- failure */

TInt TMsvServerStoreManager::GetFilePath(TMsvId aEntryId, TFileName& aDirectory) const

	{

	__ASSERT_ALWAYS(iMsvServer != NULL, PanicServer(EMsvServerNotValid));

	TMsvId owningService = KMsvNullIndexEntryId;

	GetOwningServiceAndFilePath(aEntryId,aDirectory,owningService);

	MsvUtils::ConstructEntryName(owningService, aEntryId, aDirectory, MsvUtils::EFolder);

	TInt error = iMsvServer->FileSession().MkDirAll(aDirectory);

	return (error==KErrAlreadyExists ? KErrNone : error);

	}

/** Gets the filestore name associated with the context

@param aEntryId Index id of the entry whose store filename is requested

@param aFileName On return, contains the store file name for the context

*/

void TMsvServerStoreManager::GetStoreFileName(TMsvId aEntryId, TFileName& aFileName) const

	{

	__ASSERT_ALWAYS(iMsvServer != NULL, PanicServer(EMsvServerNotValid));

	TMsvId owningService = KMsvNullIndexEntryId;

	GetOwningServiceAndFilePath(aEntryId,aFileName,owningService);

	MsvUtils::ConstructEntryName(owningService, aEntryId, aFileName, MsvUtils::EStore);

	}

void TMsvServerStoreManager::GetOwningServiceAndFilePath(TMsvId aEntryId,TDes& aFilePath,TMsvId& aOwningService) const

	{

	__ASSERT_ALWAYS(iMsvServer != NULL, PanicServer(EMsvServerNotValid));

#if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT)

	//TUint driveId = MsvUtils::GetDriveId(aEntryId);

	TUint driveId = GetDriveId(aEntryId);

	TDriveNumber driveNum = EDriveC;

	CMsvPreferredDriveList::GetDriveList()->GetDriveNumber(driveId, driveNum);

	aFilePath.Zero();

	aFilePath.Append(TDriveUnit(driveNum).Name());

	TParse parse;

	parse.Set(iMsvServer->Context().MessageFolder(), NULL, NULL);

	aFilePath.Append(parse.Path());

#else

	aFilePath = iMsvServer->Context().MessageFolder();

#endif

	iMsvServer->IndexAdapter().OwningService(aEntryId, aOwningService);

	}

/** Checks if the filename length is greater than KMaxFileName(256)

If the filename is greater than KMaxFileName then it truncates the filename

@param aFilePath file path where the file is being created.

@param aFileName name of the file whose length if being checked.

@return ETrue if the filename is changed.

*/

TBool TMsvServerStoreManager::CheckFileNameLengthAndTrimL(const TDesC& aFilePath,TDes& aFileName)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

 	TParsePtrC filenamePPtr(aFileName);

 	TPtrC fileExtension(filenamePPtr.Ext());

#ifdef __WINS__

	TFileName winsFileName;

	TFileName mailStoreDrive;

	TDriveUnit drive(MessageServer::CurrentDriveL(*iFs));

	mailStoreDrive.Append(drive.Name());

	mailStoreDrive.Append(KPathDelimiter);

	MapEmulatedFileName(winsFileName, mailStoreDrive); // Ignoring return value

	TInt KEpocBasePathLen = winsFileName.Length();

	TInt maxFilenameLength = KMaxFileName-(aFilePath).Length()-fileExtension.Length()-KEpocBasePathLen;

#else

	TInt maxFilenameLength = KMaxFileName-(aFilePath).Length()-fileExtension.Length();

#endif

	TBool fileNameChanged = EFalse;

	// Truncate filename if too long.

	if (maxFilenameLength < aFileName.Length())

		{

		aFileName.SetLength(maxFilenameLength);

		aFileName.Append(fileExtension);

		fileNameChanged = ETrue;

		}

	return fileNameChanged;

	}

TBool TMsvServerStoreManager::GenerateFileNameIfExistsL(TDes& aFileName)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TParse fileParser;

	User::LeaveIfError(fileParser.Set(aFileName, NULL, NULL));

	TInt fileNameGenerator = 1;

	TBool fileNameChanged = EFalse;

	CDir* dir;

	TInt error =  iFs->GetDir(fileParser.DriveAndPath(), KEntryAttNormal, ESortNone, dir);

	if (error==KErrNone)

		{

		CleanupStack::PushL(dir);

		TInt fileCount=dir->Count();

		while(fileCount--)

			{

			TBool open;

			TFileName filePath(aFileName);

			TInt error = iFs->IsFileOpen(aFileName, open);

			// file exists

			if (error==KErrNone)

				{

				TFileName tempFileName(fileParser.DriveAndPath());

				tempFileName.Append(fileParser.Name());

				tempFileName.AppendNum(fileNameGenerator++);

				tempFileName.Append(fileParser.Ext());

				aFileName = tempFileName;

				fileNameChanged = ETrue;

				}

			else if (error==KErrNotFound)

				{

				break;

				}

			else

				{

				User::Leave(error);

				}

			}

		CleanupStack::PopAndDestroy(dir);

		}

	return fileNameChanged;

	}

// from MMsvStoreManager

TBool TMsvServerStoreManager::CreateAttachmentForWriteL(TMsvId aEntryId, TDes& aFilename, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	return CreateAttachmentL(aEntryId, aFilename, aFile, *iFs);

	}

TBool TMsvServerStoreManager::CreateShareProtectedAttachmentForWriteL(TMsvId aEntryId, TDes& aFilename, RFile& aFile)

	{

	RFs fs;

	User::LeaveIfError(fs.Connect());

	User::LeaveIfError(fs.ShareProtected());

	return CreateAttachmentL(aEntryId, aFilename, aFile, fs, ETrue);

	}

TBool TMsvServerStoreManager::CreateAttachmentL(TMsvId aEntryId, TDes& aFilename, RFile& aFile, RFs& aFs,TBool aSharedAccess)

	{

	TFileName filePath;

	GetFilePath(aEntryId,filePath);

	TBool fileNameChanged = EFalse;

	if(CheckFileNameLengthAndTrimL(filePath,(TDes&)aFilename))

		{

		fileNameChanged = ETrue;

		}

	//for handling TBuf desc overflow

	RBuf newFilePath;

	TInt error = KErrNone;

 	newFilePath.CreateL(KMaxPath);

	newFilePath.CleanupClosePushL(); 

	newFilePath.Copy(filePath);

	if(aFilename.Length()+filePath.Length()>KMaxFileName)

		{

	newFilePath.ReAllocL(aFilename.Length()+filePath.Length());	

		}

	newFilePath.Append(aFilename);

	if (aSharedAccess)

		{

		//Shared access for reading and writing

		error = aFile.Create(aFs,newFilePath,EFileShareAny|EFileWrite);		

		}

	else

		{

		error = aFile.Create(aFs,newFilePath,EFileWrite);	

		}

	if(error == KErrAlreadyExists)

		{

		if(GenerateFileNameIfExistsL(newFilePath))

			{			

			fileNameChanged = ETrue;	

			}

			if (aSharedAccess)

				{

				//Shared access for reading and writing

				User::LeaveIfError(aFile.Create(aFs,newFilePath, EFileShareAny|EFileWrite)); 

				}

			else

				{

			 	User::LeaveIfError(aFile.Create(aFs,newFilePath,EFileWrite));		

				}

			aFilename.Copy(newFilePath);

		}

	else 

	   	{

		User::LeaveIfError(error);

		// return if error = KErrNone

		aFilename.Copy(newFilePath);

		}	

	CleanupStack::PopAndDestroy(&newFilePath);//newFilePath destroy 

	return fileNameChanged;

	}

void TMsvServerStoreManager::ReplaceAttachmentForWriteL(TMsvId aEntryId, TDes& aFilename, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePath;

	GetFilePath(aEntryId, filePath);

	TParsePtrC fileName(aFilename);

	filePath.Append(fileName.NameAndExt());

	User::LeaveIfError(aFile.Replace(*iFs, filePath, EFileWrite));

	aFilename = filePath;

	}

void TMsvServerStoreManager::OpenAttachmentL(TMsvId aEntryId, const TDesC& aFilePath, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL,PanicServer(EMsvFileSessionNotValid));

	TFileName filePath;

	GetFilePath(aEntryId,filePath);

	TParsePtrC fileName(aFilePath);

	filePath.Append(fileName.NameAndExt());

	User::LeaveIfError(aFile.Open(*iFs,filePath,EFileRead|EFileShareReadersOnly));

	}

void TMsvServerStoreManager::OpenAttachmentForWriteL(TMsvId aEntryId, const TDesC& aFilePath, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL,PanicServer(EMsvFileSessionNotValid));

	TFileName filePath;

	GetFilePath(aEntryId,filePath);

	TParsePtrC fileName(aFilePath);

	filePath.Append(fileName.NameAndExt());

	User::LeaveIfError(aFile.Open(*iFs,filePath,EFileWrite));

	}

TInt TMsvServerStoreManager::DeleteAttachment(TMsvId aEntryId, const TDesC& aFilePath)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePath;

	GetFilePath(aEntryId,filePath);

	TParsePtrC fileName(aFilePath);

	filePath.Append(fileName.NameAndExt());

	TInt error = iFs->Delete(filePath);

	if(error == KErrNotFound || error == KErrPathNotFound)

		return KErrNotFound;

	return error;

	}

TInt TMsvServerStoreManager::RenameAttachment(TMsvId aEntryId, const TDesC& aOldFilePath, const TDesC& aNewName)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePath;

	TInt err = GetFilePath(aEntryId, filePath);

	TParsePtrC fileToRename(aOldFilePath);

	if(err==KErrNone)

		{

		filePath.Append(fileToRename.NameAndExt());

		TParse newPath;

		err = newPath.Set(aNewName, &fileToRename.FullName(), NULL);

		if( err==KErrNone )

			{

			err = iFs->Rename(filePath, newPath.FullName());

			}

		}

	return err;

	}

TBool TMsvServerStoreManager::FileExistsL(const TDesC& aFilePath)

	{

	// Use the Att method to check if file exists as it does change the

	// file and is a light-weight call

	TUint attValue = 0;

	TInt err = iFs->Att(aFilePath, attValue);

	TBool fileExists = EFalse;

	if (err == KErrNotFound || err == KErrPathNotFound)

		{

		fileExists = EFalse;

		}

	else if (err == KErrNone)

		{

		fileExists = ETrue;

		}

	else

		{

		User::Leave(err);

		}

	return fileExists;

	}

void TMsvServerStoreManager::AttachmentFilePathL(TMsvId aEntryId, TDes& aFilePath)

	{

	TFileName filePath;

	User::LeaveIfError(GetFilePath(aEntryId, filePath));

	aFilePath = filePath;

	}

TInt TMsvServerStoreManager::OpenFileStoreForRead(TMsvId aEntryId, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePathAndName;

	GetStoreFileName(aEntryId,filePathAndName);

	TInt error = aFile.Open(*iFs,filePathAndName,EFileRead|EFileShareAny);

	if(error == KErrNotFound || error == KErrPathNotFound)

		return KErrNotFound;

	return error;

	}

void TMsvServerStoreManager::OpenTempStoreFileL(TMsvId aEntryId, RFile& aFile)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName tempFilePathAndName;

	GetStoreFileName(aEntryId,tempFilePathAndName);

	tempFilePathAndName.Append(KMsvUtilsNewExtension);

	TInt error= aFile.Replace(*iFs,tempFilePathAndName,EFileShareExclusive|EFileWrite);

	if (error==KErrPathNotFound)

		{

        //only create directory if not found

        error=iFs->MkDirAll(tempFilePathAndName);

        if (error==KErrNone)

            error=aFile.Replace(*iFs,tempFilePathAndName,EFileShareExclusive|EFileWrite);

		}

	User::LeaveIfError(error);

	}

void TMsvServerStoreManager::ReplaceFileStoreL(TMsvId aEntryId)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePathAndName;

	GetStoreFileName(aEntryId,filePathAndName);

	TFileName tempFilePathAndName(filePathAndName);

	tempFilePathAndName.Append(KMsvUtilsNewExtension);

	TInt error = iFs->Replace(tempFilePathAndName,filePathAndName);

	if(error !=KErrNone)

		{

		iFs->Delete(tempFilePathAndName);

		User::Leave(error);

		}

	}

void TMsvServerStoreManager::DeleteFileStoreL(TMsvId aEntryId)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePathAndName;

	GetStoreFileName(aEntryId,filePathAndName);

	TInt error = iFs->Delete(filePathAndName);

	if(error != KErrNone && error != KErrNotFound && error != KErrPathNotFound)

		User::Leave(error);

	// Delete the temporary store file if it exists

	filePathAndName.Append(KMsvUtilsNewExtension);

	error = iFs->Delete(filePathAndName);

	if(error != KErrNone && error != KErrNotFound && error != KErrPathNotFound)

		User::Leave(error);

	}

TBool TMsvServerStoreManager::FileStoreExistsL(TMsvId aEntryId) const

	{

	__ASSERT_ALWAYS(iMsvServer != NULL, PanicServer(EMsvServerNotValid));

	TMsvId owningService = KMsvNullIndexEntryId;

	TFileName filePathAndName;

	GetOwningServiceAndFilePath(aEntryId,filePathAndName,owningService);

	return User::LeaveIfError(MsvUtils::HasStore(iMsvServer->FileSession(),filePathAndName,owningService, aEntryId));

	}

/**

Gets the path for the file in message store for which the message Id is passed.

@param aBodyTextId The Id of the body text for which the path is required.

@param aFilepath The output parameter which contains filepath.

@return none.

*/

void TMsvServerStoreManager::BodyTextFilePathL(TMsvId aBodyTextId, TDes& aFilePath)

	{

	TFileName filePath;

	User::LeaveIfError(GetFilePath(aBodyTextId, filePath));

	aFilePath = filePath;

	}

/**

Opens the RFile for which the aFilepath is passed in read mode.

@param RFile   		Reference to RFile that needs to be opened.

@param aBodyTextId 	The Id of the bodytext.

@param aFilepath 	The path of the file to be opened.

@return none.

*/

void TMsvServerStoreManager::OpenBodyTextFileForReadL(RFile& aFile, TMsvId /*aBodyTextId*/, const TDesC& aFilePath)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	User::LeaveIfError(aFile.Open(*iFs, aFilePath, EFileRead));

	}

/**

Creates the RFile in the aFilepath is passed.

@param RFile     	Reference to RFile that will be created.

@param aBodyTextId 	The Id of the bodytext.

@return none.

*/

void TMsvServerStoreManager::CreatePlainTextFileL(RFile& aFile, TMsvId aBodyTextId)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePathAndName;

	GetFilePath(aBodyTextId, filePathAndName);

	TBuf<KFileNameFixedWidth> fileName;

	fileName.NumFixedWidth(aBodyTextId, EHex, KFileNameFixedWidth);

	filePathAndName.Append(fileName);

	TFileName tempFilePathAndName((filePathAndName));

	tempFilePathAndName.Append(KMsvUtilsNewExtension);

	User::LeaveIfError(aFile.Replace(*iFs, tempFilePathAndName, EFileShareExclusive|EFileWrite));

	}

/**

Deletes the RFile in the aFilepath passed.

@param aBodyTextId  The Id of the bodytext.

@return none.

*/	

void TMsvServerStoreManager::DeletePlainTextFileL(TMsvId aBodyTextId)

	{

	__ASSERT_ALWAYS(iFs != NULL, PanicServer(EMsvFileSessionNotValid));

	TFileName filePathAndName;

	GetFilePath(aBodyTextId, filePathAndName);

	TBuf<KFileNameFixedWidth> fileName;

	fileName.NumFixedWidth(aBodyTextId, EHex, KFileNameFixedWidth);

	filePathAndName.Append(fileName);

	TFileName tempFilePathAndName((filePathAndName));

	tempFilePathAndName.Append(KMsvUtilsNewExtension);

	// Remove the temporary file if it is there.

	TInt err = iFs->Delete(tempFilePathAndName);

	if (err != KErrNone && err != KErrNotFound)

		{

		User::Leave(err);

		}

	// There is no temporary file, delete the body text file.

	if (err == KErrNotFound)

		{

		TInt error = iFs->Delete(filePathAndName);

		if (error != KErrNone && error != KErrNotFound && error != KErrPathNotFound)

			{