sqlapps/db_ops.cpp at master · starman91/sqlapps · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//		    		db_ops.cpp
//
//	Base class for Handling basic operations for connection and access
// to a PostgreSQL database
//
//              -------------------
// author 		: Robert R. White
// date         	: Wed Jan 23 2008
// copyright	: (C) 2008 by  NREL
// email			: robert.white@nrel.gov
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 	  Copyright	(C):  2008 by Robert R. White and  NREL
//    This file is part of the SQLApps library.
//
//    SQLApps 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 3 of the License, or
//    (at your option) any later version.
//
//    SQLApps 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 SQLApps.  If not, see <http://www.gnu.org/licenses/>.
//
//	 We also ask that you maintain this copyright block and that any publications
//   surrounding, attributed to, or linked to this file or entire software system are also
//   credited to the author and institution of this copyright
//
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


#include <iostream>
#include "db_ops.h"

DB_Ops::DB_Ops(const QString hostname, const QString dbName, const QString uname, const QString pwd, const int port)
{
	setDBName(dbName);
	setDBHostName( hostname);
	setDBUserName(uname);
	setDBPd(pwd);
	setDBPort(port);
	m_dbConnect = false;
	return;
}

DB_Ops::DB_Ops()
{
	return;
}

DB_Ops::~DB_Ops()
{
	return;
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// Initializes values in the DB class. Used for situations where the DB_Ops class is built as an instance.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void DB_Ops::Init(const QString hostname, const QString dbName, const QString uname, const QString pwd, const int port)
{
	setDBName(dbName);
	setDBHostName( hostname);
	setDBUserName(uname);
	setDBPd(pwd);
	setDBPort(port);
	m_dbConnect = false;
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// Establishes open connection to DB when class is initiated
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool DB_Ops::kickStart()
{
	if (getDBName() == "Samples_Test")
	{
		std::cout << "!!! WARNING !!! This is currently running against a test database, " <<  getDBName().toAscii().constData() << "\n\n";
	}

	//check for existing connection
	if (!m_dbConnect)
	{
		db = QSqlDatabase::addDatabase("QPSQL", "DBOPS");
		db.setHostName(getDBHostName());
		db.setDatabaseName(getDBName());
		db.setUserName(getDBUserName());
		db.setPassword(getDBPd());
		db.setPort(getDBPort());

		m_dbConnect = db.open();
		if (!m_dbConnect)
		{
			QSqlError error =db.lastError();
			std::cerr << "ERROR: Postgres open db failed for " << getDBName().toAscii().constData() << ". Error: " << error.text().toAscii().constData() << ":\n";
			return false;
		}
	}
	return true;
}

///////////////////////////////////////////////////////////////////////////////////////////
/// Establishes open connection to DB when class is initiated
/// This is PDIL specific
//////////////////////////////////////////////////////////////////////////////////////////
bool DB_Ops::kickStart(const QString dbMoniker)
{
	if (getDBName() == "Samples_Test")
	{
		std::cout << "!!! WARNING !!! This is currently running against a test database, " <<  getDBName().toAscii().constData() << "\n\n";
	}

	//check for existing connection
	if (!m_dbConnect)
	{
		db = QSqlDatabase::addDatabase("QPSQL", dbMoniker);
		db.setHostName(getDBHostName());
		db.setDatabaseName(getDBName());
		db.setUserName(getDBUserName());
		db.setPassword(getDBPd());
		db.setPort(getDBPort());

		m_dbConnect = db.open();
		if (!m_dbConnect)
		{
			QSqlError error =db.lastError();
			std::cerr << "ERROR: Postgres open db failed for " << getDBName().toAscii().constData() << ". Error: " << error.text().toAscii().constData() << ":\n";
			return false;
		}
	}
	return true;
}


///////////////////////////////////////////////////////////////////////////////////////////
/// Closes database connection
///////////////////////////////////////////////////////////////////////////////////////////
void DB_Ops::closeDB()
{
	db.close();
	return;
}