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153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
/*!
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\file cpicturelibrary.cpp
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*/
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#include "cpicturelibrary.h"
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#include "common.h"
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#include <QSqlQuery>
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#include <QSqlError>
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#include <QDir>
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#include <QSettings>
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cPictureLibrary::cPictureLibrary(QObject *parent) : QObject(parent)
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{
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if(!openDatabase())
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return;
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}
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bool cPictureLibrary::openDatabase()
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{
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QSettings settings;
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m_szRootPath = settings.value("database/rootPath", QDir::homePath()).toString();
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QString szDB = m_szRootPath + QDir::separator() + "pictureLibrary.db";
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m_db = QSqlDatabase::addDatabase("QSQLITE");
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m_db.setHostName("localhost");
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m_db.setDatabaseName(szDB);
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if(!m_db.open())
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{
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myDebug << m_db.lastError().text();
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return(false);
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}
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QSqlQuery query;
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if(!m_db.tables().contains("config"))
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createDatabase();
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else
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{
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query.prepare("SELECT version FROM config;");
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if(!query.exec())
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{
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myDebug << query.lastError().text();
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m_db.close();
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return(false);
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}
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query.next();
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if(query.value("version").toInt() < 4)
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updateDatabase(query.value("version").toInt());
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query.finish();
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}
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return(true);
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}
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QString cPictureLibrary::rootPath()
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{
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return(m_szRootPath);
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}
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bool cPictureLibrary::isValid()
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{
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if(m_db.isOpen() && m_db.isValid())
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return(true);
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return(false);
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}
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QSqlDatabase cPictureLibrary::database()
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{
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return(m_db);
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}
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bool cPictureLibrary::createTable(const QString& szSQL)
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{
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QSqlQuery query;
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query.prepare(szSQL);
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if(!query.exec())
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{
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myDebug << szSQL << "\n" << query.lastError().text();
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return(false);
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}
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return(true);
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}
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bool cPictureLibrary::createDatabase()
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{
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QSqlQuery query;
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if(!createTable("CREATE TABLE config ( "
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" version INTEGER"
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"); "))
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return(false);
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if(!createTable("CREATE TABLE picture ( "
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" id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, "
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" fileName TEXT, "
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" filePath TEXT, "
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" fileSize BIGINT, "
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" mimeType TEXT, "
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" imageWidth INTEGER, "
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" imageHeight INTEGER, "
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" imageOrientation INTEGER, "
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" cameraMake TEXT, "
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" cameraModel TEXT, "
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" dateTime DATETIME, "
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" fNumber TEXT, "
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" iso INTEGER, "
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" flashID INTEGER, "
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" focalLength DOUBLE, "
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" lensMake TEXT, "
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" lensModel TEXT, "
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" exposureTime TEXT, "
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" exposureBias INTEGER, "
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" exifVersion TEXT, "
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" dateTimeOriginal DATETIME, "
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" dateTimeDigitized DATETIME, "
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" whiteBalance INTEGER, "
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" focalLength35 DOUBLE, "
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" gps TEXT, "
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" duration BIGINT, "
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" thumbnail BLOB"
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"); "))
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return(false);
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query.prepare("INSERT INTO config (version) VALUES (:version);");
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query.bindValue(":version", 1);
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if(!query.exec())
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{
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myDebug << query.lastError().text();
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return(false);
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}
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return(true);
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}
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bool cPictureLibrary::updateDatabase(qint32 /*version*/)
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{
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// if(version < 4)
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// updateDatabase4(version);
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return(true);
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}
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