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/*-------------------------------------------------
#
# Project developed by Nintersoft team
# Developer: Mauro Mascarenhas de Araújo
# Contact: mauro.mascarenhas@nintersoft.com
# License: Nintersoft Open Source Code Licence
# Date: 23 of January of 2019
#
------------------------------------------------- */
#ifndef DBMANAGER_H
#define DBMANAGER_H
#include "dbmanager_global.h"
#include <QSqlDatabase>
#include <QSqlRecord>
#include <QSqlQuery>
#include <QSqlError>
#include <exception>
#include <QStringList>
#include <QByteArray>
#include <QSqlDriver>
#include <QMetaType>
#include <QDateTime>
#include <QVariant>
#include <QPixmap>
#include <QBuffer>
#include <QList>
class DBMANAGERSHARED_EXPORT DBManager : public QSqlDatabase
{
public:
//Supported Drivers (According to Qt)
enum DBConnectionType{
DB2,
IBASE,
MYSQL,
OCI,
ODBC,
PSQL,
SQLITE,
SQLITE2,
TDS,
UNDEFINED
};
//Configuration Assistant Class
class DBData {
public:
DBData(){
this->databaseConnectionTypeS = UNDEFINED;
this->databaseNumericalPrecisionPolicy = QSql::LowPrecisionDouble;
this->databasePort = -1;
this->databaseHostName =
this->databaseNameS =
this->databaseUserame =
this->databasePassword =
this->databaseConnectionName =
this->databaseConnectionOptions =
this->databaseTablePrefix = QString();
}
~DBData(){}
inline void setHostName(const QString &host){ this->databaseHostName = host; }
inline void setDatabaseName(const QString &name){ this->databaseNameS = name; }
inline void setUserName(const QString &name){ this->databaseUserame = name; }
inline void setPassword(const QString &password){ this->databasePassword = password; }
inline void setConnectionName(const QString &cName){ this->databaseConnectionName = cName; }
inline void setConnectOptions(const QString &options){ this->databaseConnectionOptions = options; }
inline void setTablePrefix(const QString &prefix){ this->databaseTablePrefix = prefix; }
inline void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy){ this->databaseNumericalPrecisionPolicy = precisionPolicy; }
inline void setDatabaseConnectionType(DBConnectionType type) { this->databaseConnectionTypeS = type; }
inline void setPort(int port){ this->databasePort = port; }
inline QString hostName() const { return this->databaseHostName; }
inline QString databaseName() const { return this->databaseNameS; }
inline QString username() const { return this->databaseUserame; }
inline QString password() const { return this->databasePassword; }
inline QString connectionName() const { return this->databaseConnectionName; }
inline QString connectOptions() const { return this->databaseConnectionOptions; }
inline QString tablePrefix() const { return this->databaseTablePrefix; }
inline QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const { return this->databaseNumericalPrecisionPolicy; }
inline DBConnectionType connectionType() const { return this->databaseConnectionTypeS; }
inline int port() const { return this->databasePort; }
private:
QString databaseHostName;
QString databaseNameS;
QString databaseUserame;
QString databasePassword;
QString databaseConnectionName;
QString databaseConnectionOptions;
QString databaseTablePrefix;
QSql::NumericalPrecisionPolicy databaseNumericalPrecisionPolicy;
DBConnectionType databaseConnectionTypeS;
int databasePort;
};
//Singleton Method to get current database instance (Unique Object)
static DBManager* getInstance(const DBData &data = DBData());
//Destroy the current object instance (only if necessary)
bool removeInstance();
bool createTable(const QString &tableName, const QStringList &columns);
bool insertRow(const QString &tableName, const QStringList &columnName, const QVariantList &data);
bool updateRow(const QString &tableName, const QString &columnNameCond, const QVariant &condition,
const QStringList &columnName, const QVariantList &data,
const QString &operation = "=");
bool updateRow(const QString &tableName, const QStringList &columnNameCond, const QVariantList &condition,
const QStringList &columnName, const QVariantList &data,
const QString &operation = "=");
bool removeRow(const QString &tableName, const QString &columnNameCond, const QVariant &condition,
const QString &operation = "=");
bool removeRow(const QString &tableName, const QStringList &columnNameCond, const QVariantList &condition,
const QString &operation = "=");
bool rowExists(const QString &tableName, const QString &columnNameCond, const QVariant &data,
const QString &operation = "=");
bool rowExists(const QString &tableName, const QStringList &columnNameCond, const QVariantList &data,
const QString &operation = "=");
QVariantList retrieveRow(const QString &tableName, const QString &columnNameCond,
const QVariant &condition, const QString &operation = "=");
QVariantList retrieveRow(const QString &tableName, const QStringList &columnNameCond,
const QVariantList &condition, const QString &operation = "=");
QVariantList retrieveRow(const QString &tableName, const QStringList &columnNameCond,
const QVariantList &condition, QStringList columnName,
const QString &operation = "=");
QList< QVariantList > retrieveAll(const QString &tableName, const QStringList &columns = QStringList(),
const QStringList &groupby = QStringList(),
const QStringList &orderby = QStringList());
QList< QVariantList > retrieveAllCond(const QString &tableName,
const QString &columnCondition, const QVariant &condition,
const QString &operation = "=",
const QStringList &orderby = QStringList());
QList< QVariantList > retrieveAllCond(const QString &tableName,
const QStringList &columnCondition, const QVariantList &condition,
const QString &operation = "=",
const QStringList &orderby = QStringList());
QList< QVariantList > retrieveAllCond(const QString &tableName, const QStringList &columnName,
const QString &columnCondition, const QVariant &condition,
const QString &operation = "=",
const QStringList &groupby = QStringList(),
const QStringList &orderby = QStringList());
QList< QVariantList > retrieveAllCond(const QString &tableName, const QStringList &columnName,
const QStringList &columnCondition, const QVariantList &condition,
const QString &operation = "=",
const QStringList &groupby = QStringList(),
const QStringList &orderby = QStringList());
int rowsCount(const QString &tableName);
int rowsCountCond(const QString &tableName,
const QString &columnCondition, const QVariant &condition,
const QString &operation = "=");
int rowsCountCond(const QString &tableName,
const QStringList &columnCondition, const QVariantList &condition,
const QString &operation = "=");
bool clearTable(const QString &tableName);
bool dropTable(const QString &tableName);
QSqlQuery createCustomQuery(const QString &query = "");
static QVariant pixmapToVariant(const QPixmap &pixmap);
static QPixmap variantToPixmap(const QVariant &variant);
static QString getUniqueConnectionName(const QString &partname = "");
bool setConnectionType(DBConnectionType cType);
DBConnectionType connectionType();
bool setConnectionName(const QString &cName);
QString currentConnectionName();
bool setDBPrefix(const QString &prefix);
inline QString dbPrefix() { return this->dbData.tablePrefix(); }
bool setDatabaseData(const DBManager::DBData &dbData);
DBManager::DBData databaseData();
private:
explicit DBManager(const DBManager::DBData &data = DBData());
~DBManager();
QString buildQuery(const QString &tableName, const QStringList &columnName = QStringList(),
const QStringList &columnCondition = QStringList(),
const QVariantList &condition = QVariantList(),
const QString &operation = "=",
const QStringList &groupby = QStringList(),
const QStringList &orderby = QStringList(),
const QStringList &bindFields = QStringList());
QSqlQuery buildBindedQuery(const QString &tableName, const QStringList &columnName = QStringList(),
const QStringList &columnCondition = QStringList(),
const QVariantList &condition = QVariantList(),
const QString &operation = "=",
const QStringList &groupby = QStringList(),
const QStringList &orderby = QStringList());
QList< QVariantList > executeSelectQuery(QSqlQuery &query);
static DBManager *currentInstance;
protected:
inline bool hasQuerySize() { return this->driverHasQuerySize; }
using QSqlDatabase::addDatabase;
using QSqlDatabase::cloneDatabase;
using QSqlDatabase::connectionNames;
using QSqlDatabase::contains;
using QSqlDatabase::database;
using QSqlDatabase::removeDatabase;
using QSqlDatabase::operator=;
QString getConnectionType(DBConnectionType cType);
DBManager::DBData dbData;
bool driverHasQuerySize;
};
#endif // DBMANAGER_H