Move projects back into subfolder.

[stg.git] / projects / stargazer / plugins / store / postgresql / postgresql_store_utils.cpp

diff --git a/projects/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp b/projects/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp
new file mode 100644 (file)
index 0000000..9a5101e
--- /dev/null
+++ b/projects/stargazer/plugins/store/postgresql/postgresql_store_utils.cpp
@@ -0,0 +1,145 @@
+/*
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+/*
+ *  Vairous utility methods
+ *
+ *  $Revision: 1.3 $
+ *  $Date: 2009/10/22 10:01:08 $
+ *
+ */
+
+#include "postgresql_store.h"
+
+#include "stg/common.h"
+
+#include <string>
+#include <ctime>
+
+#include <libpq-fe.h>
+
+extern volatile time_t stgTime;
+
+int POSTGRESQL_STORE::StartTransaction() const
+{
+PGresult * result = PQexec(connection, "BEGIN");
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::StartTransaction(): '%s'\n", strError.c_str());
+    return -1;
+    }
+
+PQclear(result);
+
+return 0;
+}
+
+int POSTGRESQL_STORE::CommitTransaction() const
+{
+PGresult * result = PQexec(connection, "COMMIT");
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::CommitTransaction(): '%s'\n", strError.c_str());
+    return -1;
+    }
+
+PQclear(result);
+
+return 0;
+}
+
+int POSTGRESQL_STORE::RollbackTransaction() const
+{
+PGresult * result = PQexec(connection, "ROLLBACK");
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::RollbackTransaction(): '%s'\n", strError.c_str());
+    return -1;
+    }
+
+PQclear(result);
+
+return 0;
+}
+
+int POSTGRESQL_STORE::EscapeString(std::string & value) const
+{
+int error = 0;
+char * buf = new char[(value.length() << 1) + 1];
+
+PQescapeStringConn(connection,
+                   buf,
+                   value.c_str(),
+                   value.length(),
+                   &error);
+
+if (error)
+    {
+    strError = PQerrorMessage(connection);
+    printfd(__FILE__, "POSTGRESQL_STORE::EscapeString(): '%s'\n", strError.c_str());
+    delete[] buf;
+    return -1;
+    }
+
+value = buf;
+
+delete[] buf;
+return 0;
+}
+
+void POSTGRESQL_STORE::MakeDate(std::string & date, int year, int month) const
+{
+struct tm brokenTime;
+
+brokenTime.tm_wday = 0;
+brokenTime.tm_yday = 0;
+brokenTime.tm_isdst = 0;
+
+if (year)
+    {
+    brokenTime.tm_hour = 0;
+    brokenTime.tm_min = 0;
+    brokenTime.tm_sec = 0;
+    brokenTime.tm_year = year;
+    brokenTime.tm_mon = month;
+    }
+else
+    {
+    time_t curTime = stgTime;
+    localtime_r(&curTime, &brokenTime);
+    }
+
+brokenTime.tm_mday = DaysInMonth(brokenTime.tm_year + 1900, brokenTime.tm_mon);
+
+char buf[32];
+
+strftime(buf, 32, "%Y-%m-%d", &brokenTime);
+
+date = buf;
+}