From 5f504f2e89e95e70d9551ae9c99009d93af157f5 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Sun, 10 Jan 2010 21:43:49 +0100
Subject: added sqlite3_prepare_v2 wrapper with propper logging

---
 src/base/database.cpp | 36 ++++++++++++++++++------------------
 src/base/database.hpp | 12 ++++++++++++
 2 files changed, 30 insertions(+), 18 deletions(-)

(limited to 'src')

diff --git a/src/base/database.cpp b/src/base/database.cpp
index 36971bd4..3d1580e2 100644
--- a/src/base/database.cpp
+++ b/src/base/database.cpp
@@ -62,6 +62,19 @@ namespace usdx
 		return instance;
 	}
 
+	sqlite3_stmt *StatDatabase::sqlite_prepare(const std::string sqlStatement)
+	{
+		sqlite3_stmt *sqliteStatement;
+		if (SQLITE_OK != sqlite3_prepare_v2(database, sqlStatement.c_str(), sqlStatement.length(), &sqliteStatement, NULL)) {
+			sqlite3_finalize(sqliteStatement);
+
+			LOG4CXX_ERROR(log, "Error '" << sqlite3_errmsg(database) << "' in SQL '" << sqlStatement << "'");
+			throw "Error preparing statement.";
+		}
+
+		return sqliteStatement;
+	}
+
 	void StatDatabase::init(const std::string filename)
 	{
 		LOG4CXX_DEBUG(log, "Initializing Database: " << filename);
@@ -167,16 +180,8 @@ namespace usdx
 
 	int StatDatabase::get_version(void)
 	{
-		char sqlStatement[] = "PRAGMA user_version;";
-		sqlite3_stmt *sqliteStatement;
 		int result = -1;
-
-		if (SQLITE_OK != sqlite3_prepare_v2(database, sqlStatement, strlen(sqlStatement), &sqliteStatement, NULL)) {
-			sqlite3_finalize(sqliteStatement);
-
-			LOG4CXX_ERROR(log, "Error '" << sqlite3_errmsg(database) << "' in SQL '" << sqlStatement << "'");
-			throw "Error preparing statement.";
-		}
+		sqlite3_stmt *sqliteStatement = sqlite_prepare("PRAGMA user_version;");
 
 		int rc = sqlite3_step(sqliteStatement);
 		if (rc == SQLITE_DONE || rc == SQLITE_ROW) {
@@ -395,18 +400,13 @@ namespace usdx
 */
 	time_t StatDatabase::get_stat_reset(void)
 	{
-		std::string sqlStatement = "SELECT [ResetTime] FROM [";
-		sqlStatement += usdx_statistics_info + std::string("];");
-
-		sqlite3_stmt *sqliteStatement;
 		int result = -1;
 
-		if (SQLITE_OK != sqlite3_prepare_v2(database, sqlStatement.c_str(), sqlStatement.length(), &sqliteStatement, NULL)) {
-			sqlite3_finalize(sqliteStatement);
+		std::string sqlStatement = "SELECT [ResetTime] FROM [";
+		sqlStatement += usdx_statistics_info;
+		sqlStatement += "];";
 
-			LOG4CXX_ERROR(log, "Error '" << sqlite3_errmsg(database) << "' in SQL '" << sqlStatement << "'");
-			throw "Error preparing statement.";
-		}
+		sqlite3_stmt *sqliteStatement = sqlite_prepare(sqlStatement);
 
 		int rc = sqlite3_step(sqliteStatement);
 		if (rc == SQLITE_DONE || rc == SQLITE_ROW) {
diff --git a/src/base/database.hpp b/src/base/database.hpp
index 8e589feb..c984fcfd 100644
--- a/src/base/database.hpp
+++ b/src/base/database.hpp
@@ -54,6 +54,18 @@ namespace usdx
 		 */
 		sqlite3 *database;
 
+		/**
+		 * Wrapper arround the sqlite_prepare_v2 function with propper
+		 * logging and exception throwing on error.
+		 *
+		 * @param sqlStatement SQL Statement for preparing to
+		 * 	sqlite3_stmt
+		 * @return Pointner to a sqlite3_stmt used for binding
+		 * 	parameters and excuting the statement. Need to be freed
+		 * 	with sqlite3_finalize.
+		 */
+		sqlite3_stmt *sqlite_prepare(const std::string sqlStatement);
+
 		// Singleton
 		StatDatabase(std::string filename);
 
-- 
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