phonebookengines/contactsmodel/cntplsql/src/cpplpredictivesearchtable.cpp
changeset 24 0ba2181d7c28
child 25 76a2435edfd4
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0:e686773b3f54 24:0ba2181d7c28
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 #include "pltables.h"
       
    19 #include "dbsqlconstants.h"
       
    20 #include "cntitem.h"
       
    21 #include "cpcskeymap.h"
       
    22 
       
    23 
       
    24 /**
       
    25 @param aDatabase A handle to the database.
       
    26 @param aProperties A contact properties object.
       
    27 
       
    28 @return A pointer to a new CPplPredictiveSearchTable object.
       
    29 */
       
    30 CPplPredictiveSearchTable*
       
    31 CPplPredictiveSearchTable::NewL(RSqlDatabase& aDatabase)
       
    32 	{
       
    33 	RDebug::Print(_L("CPplPredictiveSearchTable::NewL"));
       
    34 	CPplPredictiveSearchTable* self = CPplPredictiveSearchTable::NewLC(aDatabase);
       
    35 	CleanupStack::Pop(self);
       
    36 	RDebug::Print(_L("CPplPredictiveSearchTable::NewL ends"));
       
    37 	return self;
       
    38 	}
       
    39 
       
    40 
       
    41 /**
       
    42 @param aDatabase A handle to the database.
       
    43 @param aProperties A contact properties object.
       
    44 
       
    45 @return A pointer to a new CPplPredictiveSearchTable object.
       
    46 */
       
    47 CPplPredictiveSearchTable*
       
    48 CPplPredictiveSearchTable::NewLC(RSqlDatabase& aDatabase)
       
    49 	{
       
    50 	RDebug::Print(_L("CPplPredictiveSearchTable::NewLC"));
       
    51 	CPplPredictiveSearchTable* self =
       
    52 		new (ELeave) CPplPredictiveSearchTable(aDatabase);
       
    53 	CleanupStack::PushL(self);
       
    54 	self->ConstructL();
       
    55 	RDebug::Print(_L("CPplPredictiveSearchTable::NewLC ends"));
       
    56 	return self;
       
    57 	}
       
    58 
       
    59 /**
       
    60 Destructor
       
    61 */
       
    62 CPplPredictiveSearchTable::~CPplPredictiveSearchTable()
       
    63 	{
       
    64 	RDebug::Print(_L("CPplPredictiveSearchTable dtor"));
       
    65 	delete iInsertStmnt;
       
    66 	delete iUpdateStmnt;
       
    67 	delete iDeleteStmnt;
       
    68 	delete iKeyMap;
       
    69 	RDebug::Print(_L("CPplPredictiveSearchTable dtor ends"));
       
    70 	}
       
    71 
       
    72 
       
    73 /**
       
    74 @param aItem A contact item whose data are added to the table.
       
    75 */
       
    76 void CPplPredictiveSearchTable::CreateInDbL( CContactItem& aItem )
       
    77 	{
       
    78 	RDebug::Print(_L("CPplPredictiveSearchTable::CreateInDbL"));
       
    79 	WriteToDbL( aItem, iInsertStmnt );
       
    80 	RDebug::Print(_L("CPplPredictiveSearchTable::CreateInDbL ends"));
       
    81 	}
       
    82 
       
    83 
       
    84 /**
       
    85 @param aItem A contact item whose data is updated in the database.
       
    86 */
       
    87 void CPplPredictiveSearchTable::UpdateL( const CContactItem& aItem )
       
    88 	{
       
    89 	RDebug::Print(_L("CPplPredictiveSearchTable::UpdateL"));
       
    90 	WriteToDbL( aItem, iUpdateStmnt );
       
    91 	RDebug::Print(_L("CPplPredictiveSearchTable::UpdateL ends"));
       
    92 	}
       
    93 
       
    94 
       
    95 /**
       
    96 Deletes all the communication addresses for a particular contact item. Should be used when
       
    97 deleting a contact item from the database altogether.
       
    98 
       
    99 @param aItem The contact item whose communcation addresses are to be deleted.
       
   100 */
       
   101 void CPplPredictiveSearchTable::DeleteL(const CContactItem& aItem, TBool& aLowDiskErrorOccurred)
       
   102 	{
       
   103 	RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL"));
       
   104 	RSqlStatement stmnt;
       
   105 	CleanupClosePushL(stmnt);
       
   106 	stmnt.PrepareL(iDatabase, iDeleteStmnt->SqlStringL());
       
   107 	
       
   108 	// Contact id was not added with iDeleteStmnt->SetParamL() so it can not be
       
   109 	// accessed with iDeleteStmnt->ParameterIndex().
       
   110 	// It is the first and only parameter in query
       
   111 	const TInt KContactIdParamIndex(KFirstIndex);
       
   112 	User::LeaveIfError(stmnt.BindInt(KContactIdParamIndex, aItem.Id()));
       
   113 	RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL execute SQL statement"));
       
   114 	// Returns the amount of rows that were changed/inserted/deleted
       
   115 	TInt status = stmnt.Exec();
       
   116 	RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL rows deleted=%d"), status);
       
   117 	CleanupStack::PopAndDestroy(&stmnt);
       
   118 
       
   119 	if (status == KErrDiskFull)
       
   120 		{
       
   121 		RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL disk full"));
       
   122 		aLowDiskErrorOccurred = ETrue;
       
   123 		}
       
   124 	else
       
   125 		{
       
   126 		RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL status=%d"), status);
       
   127 		User::LeaveIfError(status);
       
   128 		}
       
   129 	RDebug::Print(_L("CPplPredictiveSearchTable::DeleteL"));
       
   130 	}
       
   131 
       
   132 
       
   133 /**
       
   134 Creates the comm_addr table and its indexes in the database.
       
   135 */
       
   136 void CPplPredictiveSearchTable::CreateTableL()
       
   137 	{
       
   138 	RDebug::Print(_L("CPplPredictiveSearchTable::CreateTableL"));
       
   139 
       
   140 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateStmnt));
       
   141 	
       
   142 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateIndex));
       
   143 
       
   144 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView1));
       
   145 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView2));
       
   146 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView3));
       
   147 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView4));
       
   148 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView5));
       
   149 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView6));
       
   150 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView7));
       
   151 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView8));
       
   152 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView9));
       
   153 	User::LeaveIfError(iDatabase.Exec(KPredSearchCreateView0));
       
   154 
       
   155 	RDebug::Print(_L("CPplPredictiveSearchTable::CreateTableL ends"));
       
   156 	}
       
   157 
       
   158 
       
   159 /**
       
   160 Set up the CCntSqlStatement objects held by the class.
       
   161 */
       
   162 void CPplPredictiveSearchTable::ConstructL()
       
   163 	{
       
   164 	RDebug::Print(_L("CPplPredictiveSearchTable::ConstructL"));
       
   165 	// Statement types
       
   166 	TCntSqlStatementType insertType( EInsert, KSqlContactPredSearchTableName() );
       
   167 	TCntSqlStatementType updateType( EUpdate, KSqlContactPredSearchTableName() );
       
   168 	TCntSqlStatementType deleteType( EDelete, KSqlContactPredSearchTableName() );
       
   169 
       
   170 
       
   171 	// Insert new record
       
   172 	// INSERT INTO predictivesearch
       
   173 	//   (first_name_as_number, last_name_as_number, company_name_as_number, contact_id)
       
   174 	//   VALUES (first_name_as_number value, last_name_as_number value,
       
   175 	//	   		 company_name_as_number value, contact_id value);
       
   176 	//
       
   177 	iInsertStmnt = TSqlProvider::GetSqlStatementL(insertType);
       
   178 	iInsertStmnt->SetParamL( KPredSearchFirstNameAsNumber,
       
   179 							 KPredSearchFirstNameAsNumberParam );
       
   180 	iInsertStmnt->SetParamL( KPredSearchLastNameAsNumber,
       
   181 							 KPredSearchLastNameAsNumberParam );
       
   182 	iInsertStmnt->SetParamL( KPredSearchCompanyNameAsNumber,
       
   183 							 KPredSearchCompanyNameAsNumberParam );
       
   184 	iInsertStmnt->SetParamL( KPredSearchContactId,
       
   185 							 KPredSearchContactIdParam );
       
   186 
       
   187 
       
   188 	// Update predictivesearch record (done when contact info or key map changes)
       
   189 	// For a statement in the following format:
       
   190 	// 	UPDATE predictivesearch SET
       
   191 	//		first_name_as_number = [first_name_as_number value],
       
   192 	//		last_name_as_number = [last_name_as_number value],
       
   193 	//		company_name_as_number = [company_name_as_number value]
       
   194 	//		WHERE contact_id = [contact_id value];
       
   195 	//
       
   196 	iUpdateStmnt = TSqlProvider::GetSqlStatementL(updateType);
       
   197 	iUpdateStmnt->SetParamL( KPredSearchFirstNameAsNumber,
       
   198 						     KPredSearchFirstNameAsNumberParam );
       
   199 	iUpdateStmnt->SetParamL( KPredSearchLastNameAsNumber,
       
   200 						     KPredSearchLastNameAsNumberParam );
       
   201 	iUpdateStmnt->SetParamL( KPredSearchCompanyNameAsNumber,
       
   202 						     KPredSearchCompanyNameAsNumberParam );
       
   203 	iUpdateStmnt->SetParamL( KPredSearchContactId,
       
   204 						     KPredSearchContactIdParam );
       
   205 
       
   206 	const TInt KWhereContactIdBufSize(
       
   207 		KWhereStringEqualsStringFormatText().Size() +
       
   208 		KPredSearchContactId().Size() +
       
   209 		KPredSearchContactIdParam().Size() );
       
   210 	HBufC* whereContactIdClause = HBufC::NewLC(KWhereContactIdBufSize);
       
   211 	// for WHERE contact_id = [contact id value]
       
   212 	whereContactIdClause->Des().AppendFormat(KWhereStringEqualsStringFormatText,
       
   213 		&KPredSearchContactId, &KPredSearchContactIdParam);
       
   214 	iUpdateStmnt->SetConditionL(*whereContactIdClause);
       
   215 
       
   216 
       
   217 	// Delete information of a particular contact item
       
   218 	// 	DELETE FROM predictivesearch WHERE contact_id = [contact id value];
       
   219 	//
       
   220 	iDeleteStmnt = TSqlProvider::GetSqlStatementL(deleteType);
       
   221 	iDeleteStmnt->SetConditionL(*whereContactIdClause);
       
   222 
       
   223 	CleanupStack::PopAndDestroy(whereContactIdClause);
       
   224 		
       
   225 	RDebug::Print(_L("CPplPredictiveSearchTable::ConstructL create key map"));
       
   226 	iKeyMap = CPcsKeyMap::NewL();
       
   227 
       
   228 	RDebug::Print(_L("CPplPredictiveSearchTable::ConstructL ends"));
       
   229 	}
       
   230 
       
   231 
       
   232 /**
       
   233 Constructor
       
   234 */
       
   235 CPplPredictiveSearchTable::CPplPredictiveSearchTable(RSqlDatabase& aDatabase) :
       
   236 	iDatabase(aDatabase)
       
   237 	{
       
   238 	}
       
   239 
       
   240 
       
   241 // This function does the common parts of both insert and update operations
       
   242 void CPplPredictiveSearchTable::WriteToDbL( const CContactItem& aItem,
       
   243 										    CCntSqlStatement* aStatement )
       
   244 	{
       
   245 	RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL"));
       
   246 	RSqlStatement stmnt;
       
   247 	CleanupClosePushL( stmnt );
       
   248  	stmnt.PrepareL( iDatabase, aStatement->SqlStringL() );
       
   249  	
       
   250  	// Fill parameters and their values 
       
   251  	CContactItemFieldSet& fieldset = aItem.CardFields();
       
   252 
       
   253  	TInt pos = fieldset.Find( KUidContactFieldGivenName );
       
   254  	if ( pos != KErrNotFound )
       
   255  	    {
       
   256 		RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL first name"));
       
   257         CContactTextField* textfield = fieldset[ pos ].TextStorage();
       
   258         if ( textfield )
       
   259             {
       
   260             TPtrC firstName = textfield->Text();
       
   261             HBufC* firstNameAsNbr = ConvertToNumericRepresentationLC( firstName );
       
   262             User::LeaveIfError( stmnt.BindText(
       
   263                 User::LeaveIfError( stmnt.ParameterIndex( KPredSearchFirstNameAsNumberParam ) ),
       
   264                 *firstNameAsNbr ) );
       
   265             CleanupStack::PopAndDestroy( firstNameAsNbr );
       
   266             }
       
   267  	    }
       
   268 
       
   269 	pos = fieldset.Find( KUidContactFieldFamilyName );
       
   270 	if ( pos != KErrNotFound )
       
   271 	    {
       
   272 		RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL last name"));
       
   273         CContactTextField* textfield = fieldset[ pos ].TextStorage();
       
   274         if ( textfield )
       
   275             {
       
   276             TPtrC lastName = textfield->Text();
       
   277             HBufC* lastNameAsNbr = ConvertToNumericRepresentationLC( lastName );
       
   278             User::LeaveIfError( stmnt.BindText(
       
   279                 User::LeaveIfError( stmnt.ParameterIndex( KPredSearchLastNameAsNumberParam ) ),
       
   280                 *lastNameAsNbr ) );
       
   281             CleanupStack::PopAndDestroy( lastNameAsNbr );
       
   282             }
       
   283 	    }
       
   284 
       
   285 	pos = fieldset.Find( KUidContactFieldCompanyName );
       
   286 	if ( pos != KErrNotFound )
       
   287 	    {
       
   288 		RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL company name"));
       
   289         CContactTextField* textfield = fieldset[ pos ].TextStorage();
       
   290         if ( textfield )
       
   291             {
       
   292             TPtrC companyName = textfield->Text();
       
   293             HBufC* companyNameAsNbr = ConvertToNumericRepresentationLC( companyName );
       
   294             User::LeaveIfError( stmnt.BindText(
       
   295                 User::LeaveIfError( stmnt.ParameterIndex( KPredSearchCompanyNameAsNumberParam ) ),
       
   296                 *companyNameAsNbr ) );
       
   297             CleanupStack::PopAndDestroy( companyNameAsNbr );
       
   298             }
       
   299 	    }
       
   300 
       
   301 	RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL set contact id"));
       
   302 	// When inserting, contact id is written.
       
   303 	// When updating, contact id is the search key.
       
   304 	User::LeaveIfError( stmnt.BindInt(
       
   305 		User::LeaveIfError( stmnt.ParameterIndex( KPredSearchContactIdParam ) ),
       
   306 		aItem.Id() ) );
       
   307 
       
   308 	RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL execute SQL statement"));
       
   309 	// Execute the SQL statement
       
   310 	User::LeaveIfError( stmnt.Exec() );
       
   311 	CleanupStack::PopAndDestroy( &stmnt );
       
   312 
       
   313 	RDebug::Print(_L("CPplPredictiveSearchTable::WriteToDbL ends"));
       
   314 	}
       
   315 
       
   316 HBufC* CPplPredictiveSearchTable::ConvertToNumericRepresentationLC( const TDesC& aString )
       
   317 	{
       
   318 	RDebug::Print(_L("CPplPredictiveSearchTable::ConvertToNumericRepresentationLC"));
       
   319 	HBufC* numericBuf = iKeyMap->GetNumericKeyStringL( aString, EFalse );
       
   320 	CleanupStack::PushL( numericBuf );
       
   321 	RDebug::Print(_L("CPplPredictiveSearchTable::ConvertToNumericRepresentationLC result='%S'"),
       
   322 				  numericBuf);
       
   323 	return numericBuf;
       
   324 	}