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root/src/database.cpp @ 77dbed04
| 81c23b56 | Christian Ehringfeld | /*
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| 6899f814 | Christian Ehringfeld | * Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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| 81c23b56 | Christian Ehringfeld | ||
#include "database.h"
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| 45135a14 | Christian Ehringfeld | #include "logger.h"
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#include <QDir>
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| 2d59cb88 | Christian Ehringfeld | #include "schema/mysqlschema.h"
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| 9cf4747e | Christian Ehringfeld | using namespace CuteEntityManager;
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| 81c23b56 | Christian Ehringfeld | ||
| 3938a37e | Christian Ehringfeld | Database::Database(QSqlDatabase database, bool logQueries,
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| f12670e9 | Christian Ehringfeld | bool logErrors, MsgType type) {
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| 81c23b56 | Christian Ehringfeld | this->database = database;
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this->init();
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this->connectionName = this->database.connectionName();
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| 3938a37e | Christian Ehringfeld | this->initLogger(logQueries, logErrors, type);
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| 81c23b56 | Christian Ehringfeld | }
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| e0e1ead8 | Christian Ehringfeld | Database::Database(QString databaseType, QString connectionName,
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QString hostname,
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QString databasename,
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| 54538efb | Christian Ehringfeld | QString username, QString password, qint64 port,
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| f12670e9 | Christian Ehringfeld | bool logQueries, bool logErrors, QString databaseOptions, MsgType type) {
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| 426974c6 | Christian Ehringfeld | this->database = QSqlDatabase::addDatabase(databaseType, connectionName);
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| 81c23b56 | Christian Ehringfeld | this->connectionName = connectionName;
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| 9971e7d2 | Christian Ehringfeld | if (!hostname.isEmpty()) {
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| a82e4cea | Christian Ehringfeld | this->database.setHostName(hostname);
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}
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| 9971e7d2 | Christian Ehringfeld | if (!databasename.isEmpty()) {
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| a82e4cea | Christian Ehringfeld | this->database.setDatabaseName(databasename);
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}
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| 9971e7d2 | Christian Ehringfeld | if (!username.isEmpty()) {
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| a82e4cea | Christian Ehringfeld | this->database.setUserName(username);
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}
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| 9971e7d2 | Christian Ehringfeld | if (!password.isEmpty()) {
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| a82e4cea | Christian Ehringfeld | this->database.setPassword(password);
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}
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if (port != 0) {
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this->database.setPort(port);
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}
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| 2d59cb88 | Christian Ehringfeld | if (!databaseOptions.isEmpty()) {
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| 9971e7d2 | Christian Ehringfeld | this->database.setConnectOptions(databaseOptions);
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}
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| 81c23b56 | Christian Ehringfeld | this->init();
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| 3938a37e | Christian Ehringfeld | this->initLogger(logQueries, logErrors, type);
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}
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Logger *Database::getLogger() const {
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return logger;
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| 81c23b56 | Christian Ehringfeld | }
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void Database::init() {
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this->database.open();
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| e0e1ead8 | Christian Ehringfeld | this->supportTransactions = this->database.driver()->hasFeature(
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| 66704054 | Christian Ehringfeld | QSqlDriver::Transactions);
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| 45135a14 | Christian Ehringfeld | }
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| 3938a37e | Christian Ehringfeld | void Database::initLogger(bool logQueries, bool logErrors,
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| f12670e9 | Christian Ehringfeld | MsgType type) {
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| 45135a14 | Christian Ehringfeld | this->logQueries = logQueries;
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this->logErrors = logErrors;
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| 3938a37e | Christian Ehringfeld | this->logger = new Logger(QDir::currentPath() + "/db" + this->connectionName +
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".log", type);
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| 81c23b56 | Christian Ehringfeld | }
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Database::~Database() {
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| 66704054 | Christian Ehringfeld | if (this->logger) {
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delete this->logger;
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this->logger = nullptr;
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| 45135a14 | Christian Ehringfeld | }
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| 426974c6 | Christian Ehringfeld | if (this->database.isOpen()) {
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| 81c23b56 | Christian Ehringfeld | this->database.close();
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}
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| 57d6da31 | Christian Ehringfeld | this->database = QSqlDatabase();
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| 81c23b56 | Christian Ehringfeld | QSqlDatabase::removeDatabase(this->connectionName);
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}
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QString Database::getConnectionName() {
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return this->connectionName;
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}
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QSqlQuery Database::getQuery() {
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return QSqlQuery(this->database);
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}
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QSqlQuery Database::getQuery(const QString &prepare) {
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QSqlQuery q = QSqlQuery(this->database);
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q.prepare(prepare);
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return q;
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}
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bool Database::transaction(const QStringList &queries) {
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bool ok = false;
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| 426974c6 | Christian Ehringfeld | if (this->supportTransactions) {
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| 81c23b56 | Christian Ehringfeld | this->database.transaction();
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QSqlQuery sqlquery = QSqlQuery(this->database);
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for (int var = 0; var < queries.size(); ++var) {
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sqlquery.exec(queries.at(var));
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| 45135a14 | Christian Ehringfeld | this->debugQuery(sqlquery);
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| 81c23b56 | Christian Ehringfeld | }
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| 11bbe9a6 | Christian Ehringfeld | ok = this->commitTransaction();
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| 81c23b56 | Christian Ehringfeld | } else {
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ok = this->exec(queries);
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}
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return ok;
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}
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bool Database::transaction(QList<QSqlQuery> &queries) {
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| 11bbe9a6 | Christian Ehringfeld | this->startTransaction();
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| 81c23b56 | Christian Ehringfeld | QSqlQuery q;
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for (int var = 0; var < queries.size(); ++var) {
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q = queries.at(var);
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q.exec();
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| d568923d | Christian Ehringfeld | this->debugQuery(q);
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| 81c23b56 | Christian Ehringfeld | }
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| 11bbe9a6 | Christian Ehringfeld | return this->commitTransaction();
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}
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bool Database::commitTransaction() {
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| d2c13492 | Christian Ehringfeld | return this->supportTransactions && this->database.commit();
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| 95b60eb2 | Christian Ehringfeld | }
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bool Database::rollbackTransaction() {
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| 1701766b | Christian Ehringfeld | this->logger->logMsg("Transaction rolled back!" +
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this->database.lastError().text(), MsgType::WARNING);
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| 95b60eb2 | Christian Ehringfeld | return supportTransactions && this->database.rollback();
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| 81c23b56 | Christian Ehringfeld | }
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| 3820ae33 | Christian Ehringfeld | DatabaseType Database::getDatabaseType(QString s) {
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if (s == "qmysql") {
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return DatabaseType::MYSQL;
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} else if (s == "qpgsql") {
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return DatabaseType::PGSQL;
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} else {
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return DatabaseType::SQLITE;
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}
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}
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| 57d6da31 | Christian Ehringfeld | Schema *Database::getSchema(DatabaseType db,
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QSharedPointer<Database> database) {
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| 3820ae33 | Christian Ehringfeld | switch (db) {
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| 35cf13b7 | Christian Ehringfeld | case DatabaseType::SQLITE:
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| 57d6da31 | Christian Ehringfeld | return new SqliteSchema(database);
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| 3820ae33 | Christian Ehringfeld | break;
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| 66704054 | Christian Ehringfeld | // case PGSQL:
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// return QSharedPointer<Schema>(new PgSqlSchema());
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// break;
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| 2d59cb88 | Christian Ehringfeld | case DatabaseType::MYSQL:
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| 57d6da31 | Christian Ehringfeld | return new MysqlSchema(database);
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| 2d59cb88 | Christian Ehringfeld | break;
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| 3820ae33 | Christian Ehringfeld | default:
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| 57d6da31 | Christian Ehringfeld | return new SqliteSchema(database);
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| 3820ae33 | Christian Ehringfeld | break;
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}
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}
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| d568923d | Christian Ehringfeld | bool Database::exec(const QString &query) {
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| 81c23b56 | Christian Ehringfeld | QSqlQuery q = QSqlQuery(this->database);
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| 11bbe9a6 | Christian Ehringfeld | bool ok = q.exec(query);
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| d568923d | Christian Ehringfeld | this->debugQuery(q);
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| 11bbe9a6 | Christian Ehringfeld | return ok;
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| 81c23b56 | Christian Ehringfeld | }
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| 426974c6 | Christian Ehringfeld | bool Database::exec(QStringList queries) {
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| 81c23b56 | Christian Ehringfeld | QSqlQuery q = QSqlQuery(this->database);
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bool ok = true;
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for (int var = 0; var < queries.size() && ok; ++var) {
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ok = q.exec(queries.at(var));
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| d568923d | Christian Ehringfeld | this->debugQuery(q);
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| 426974c6 | Christian Ehringfeld | if (!ok) {
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| 81c23b56 | Christian Ehringfeld | break;
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}
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}
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return ok;
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}
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| d568923d | Christian Ehringfeld | bool Database::exec(QSqlQuery &query) {
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bool ok = query.exec();
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this->debugQuery(query);
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return ok;
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| 81c23b56 | Christian Ehringfeld | }
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bool Database::exec(QList<QSqlQuery> queries) {
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bool ok = true;
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QSqlQuery q = QSqlQuery(this->database);
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for (int var = 0; var < queries.size() && ok; ++var) {
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q = queries.at(var);
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ok = q.exec();
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| d568923d | Christian Ehringfeld | this->debugQuery(q);
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| 426974c6 | Christian Ehringfeld | if (!ok) {
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| 81c23b56 | Christian Ehringfeld | break;
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}
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}
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return ok;
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}
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| d568923d | Christian Ehringfeld | void Database::debugQuery(const QSqlQuery &query) const {
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| 66704054 | Christian Ehringfeld | if (this->logger && this->logErrors) {
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this->logger->lastError(query, this->logQueries);
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| 45135a14 | Christian Ehringfeld | } else {
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qDebug() << query.executedQuery();
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}
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| d568923d | Christian Ehringfeld | }
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| 81c23b56 | Christian Ehringfeld | bool Database::select(QSqlQuery &query) {
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query.setForwardOnly(true);
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| ed9ffe4a | Christian Ehringfeld | bool ok = query.exec();
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| d568923d | Christian Ehringfeld | this->debugQuery(query);
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return ok;
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| 81c23b56 | Christian Ehringfeld | }
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QSqlQuery Database::select(const QString &query) {
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QSqlQuery q = QSqlQuery(this->database);
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q.exec(query);
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| d568923d | Christian Ehringfeld | this->debugQuery(q);
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| 81c23b56 | Christian Ehringfeld | return q;
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}
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| 11bbe9a6 | Christian Ehringfeld | void Database::startTransaction() {
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this->database.transaction();
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}
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| 81c23b56 | Christian Ehringfeld | QSqlDatabase Database::getDatabase() {
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return this->database;
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}
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