birkeh/pictureLibrary
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This commit is contained in:
Herwig Birke
2019-02-08 15:56:56 +01:00
parent facdf6d6fd
commit e49c6c3517
12 changed files with 1097 additions and 105 deletions
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cpicturelibrary.cpp
+156 -7
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@@ -15,6 +15,7 @@ cPictureLibrary::cPictureLibrary(QObject *parent) : QObject(parent)
bool cPictureLibrary::openDatabase()
{
QSqlQuery query;
QSettings settings;
QString szDB = settings.value("database/path").toString();
@@ -32,8 +33,6 @@ bool cPictureLibrary::openDatabase()
createDatabase();
else
{
QSqlQuery query;
query.prepare("SELECT version FROM config;");
if(!query.exec())
{
@@ -43,14 +42,45 @@ bool cPictureLibrary::openDatabase()
}
query.next();
if(query.value("version").toInt() < 2)
if(query.value("version").toInt() < 4)
updateDatabase(query.value("version").toInt());
query.finish();
}
if(!query.exec("SELECT rootPath FROM config;"))
{
myDebug << query.lastError().text();
return(false);
}
if(!query.next())
{
myDebug << query.lastError().text();
return(false);
}
m_szRootPath = query.value("rootPath").toString();
return(true);
}
QString cPictureLibrary::rootPath()
{
return(m_szRootPath);
}
bool cPictureLibrary::isValid()
{
if(m_db.isOpen() && m_db.isValid())
return(true);
return(false);
}
QSqlDatabase cPictureLibrary::database()
{
return(m_db);
}
bool cPictureLibrary::createTable(const QString& szSQL)
{
QSqlQuery query;
@@ -71,12 +101,40 @@ bool cPictureLibrary::createDatabase()
QSqlQuery query;
if(!createTable("CREATE TABLE config ( "
" version INTEGER"
" version INTEGER, "
" rootPath TEXT"
"); "))
return(false);
if(!createTable("CREATE TABLE picture ( "
" id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, "
" fileName TEXT, "
" filePath TEXT, "
" imageWidth INTEGER, "
" imageHeight INTEGER, "
" cameraMake TEXT, "
" cameraModel TEXT, "
" dateTime DATETIME, "
" fNumber TEXT, "
" iso INTEGER, "
" flashID INTEGER, "
" focalLength DOUBLE, "
" lensMake TEXT, "
" lensModel TEXT, "
" exposureTime TEXT, "
" exposureBias INTEGER, "
" exifVersion TEXT, "
" dateTimeOriginal DATETIME, "
" dateTimeDigitized DATETIME, "
" whiteBalance INTEGER, "
" focalLength35 DOUBLE, "
" gps TEXT, "
" thumbnail BLOB"
"); "))
return(false);
query.prepare("INSERT INTO config (version) VALUES (:version);");
query.bindValue(":version", 1);
query.bindValue(":version", 4);
if(!query.exec())
{
myDebug << query.lastError().text();
@@ -88,8 +146,8 @@ bool cPictureLibrary::createDatabase()
bool cPictureLibrary::updateDatabase(qint32 version)
{
if(version < 2)
updateDatabase2(version);
if(version < 4)
updateDatabase4(version);
return(true);
}
@@ -112,3 +170,94 @@ bool cPictureLibrary::updateDatabase2(qint32 /*version*/)
return(true);
}
bool cPictureLibrary::updateDatabase3(qint32 version)
{
if(version < 2)
updateDatabase2(version);
QSqlQuery query;
if(!createTable("CREATE TABLE picture ( "
" id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, "
" fileName TEXT, "
" imageWidth INTEGER, "
" imageHeight INTEGER, "
" cameraMake TEXT, "
" cameraModel TEXT, "
" dateTime DATETIME, "
" fNumber TEXT, "
" iso INTEGER, "
" flashID INTEGER, "
" focalLength DOUBLE, "
" lensMake TEXT, "
" lensModel TEXT, "
" exposureTime TEXT, "
" exposureBias INTEGER, "
" exifVersion TEXT, "
" dateTimeOriginal DATETIME, "
" dateTimeDigitized DATETIME, "
" whiteBalance INTEGER, "
" focalLength35 DOUBLE, "
" gps TEXT, "
" thumbnail BLOB"
"); "))
return(false);
if(!query.exec("UPDATE config SET version=3;"))
{
myDebug << query.lastError().text();
return(false);
}
return(true);
}
bool cPictureLibrary::updateDatabase4(qint32 version)
{
if(version < 3)
updateDatabase3(version);
QSqlQuery query;
QString rootPath;
if(!query.exec("SELECT rootPath FROM config;"))
{
myDebug << query.lastError().text();
return(false);
}
if(!query.next())
{
myDebug << query.lastError().text();
return(false);
}
rootPath = query.value("rootPath").toString();
if(!query.exec("ALTER TABLE picture ADD filePath TEXT;"))
{
myDebug << query.lastError().text();
return(false);
}
query.prepare(" UPDATE picture"
" SET fileName = REPLACE(fileName, RTRIM(fileName, REPLACE(fileName, '\', '')), ''),"
" filePath = SUBSTR(SUBSTR(fileName, LENGTH(:rootPath1)+2, LENGTH(SUBSTR(fileName, LENGTH(:rootPath2)+2))-LENGTH(REPLACE(fileName, RTRIM(fileName, REPLACE(fileName, '\', '')), ''))), 1, LENGTH(SUBSTR(fileName, LENGTH(:rootPath3)+2, LENGTH(SUBSTR(fileName, LENGTH(:rootPath4)+2))-LENGTH(REPLACE(fileName, RTRIM(fileName, REPLACE(fileName, '\', '')), ''))))-1);");
query.bindValue(":rootPath1", rootPath);
query.bindValue(":rootPath2", rootPath);
query.bindValue(":rootPath3", rootPath);
query.bindValue(":rootPath4", rootPath);
if(!query.exec())
{
myDebug << query.lastError().text();
return(false);
}
if(!query.exec("UPDATE config SET version=4;"))
{
myDebug << query.lastError().text();
return(false);
}
return(true);
}