-// EmuFront
-// Copyright 2010 Mikko Keinänen
-//
-// This file is part of EmuFront.
-//
-//
-// EmuFront 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.
-//
-// EmuFront 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 EmuFront. If not, see <http://www.gnu.org/licenses/>.
-
+/*
+** EmuFront
+** Copyright 2010 Mikko Keinänen
+**
+** This file is part of EmuFront.
+**
+**
+** EmuFront is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License version 2 as published by
+** the Free Software Foundation and appearing in the file gpl.txt included in the
+** packaging of this file.
+**
+** EmuFront 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 EmuFront. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <QDebug>
+#include <QSqlRecord>
+#include <QSqlQuery>
+#include <QSqlRelationalTableModel>
+#include <QSqlError>
#include "dbmediaimagecontainer.h"
+#include "dbmediaimage.h"
+//#include "dbsetup.h"
+#include "dbfilepath.h"
DbMediaImageContainer::DbMediaImageContainer(QObject *parent)
- : DbQueryModelManager(parent)
+ : DbFile(parent)
{
- dbMediaImage = 0;
+ dbMediaImage = new DbMediaImage(parent);
+ dbFilePath = new DbFilePath(parent);
+ tableName = DbMediaImageContainer::DB_TABLE_MEDIAIMAGECONTAINER;
}
bool DbMediaImageContainer::updateDataObjectToModel(const EmuFrontObject *efo)
return false;
}
-bool DbMediaImageContainer::insertDataObjectToModel(const EmuFrontObject *efo)
+/* Throws EmuFrontException */
+int DbMediaImageContainer::storeMediaImageContainer(EmuFrontObject *efo)
{
- // TODO
- return false;
+ MediaImageContainer *mic
+ = dynamic_cast<MediaImageContainer *>(efo);
+
+ if (!mic->getFilePath())
+ throw EmuFrontException("Cannot install media image "
+ "container to database without a file path object!");
+
+ // multiple media image containers with matching checksum will be stored
+ // if each instance is in a different file path
+
+ int fileId = -1;
+ QMap<QString, EmuFrontObject*> images = mic->getMediaImages();
+ QList<int> ids = dbMediaImage->storeMediaImages(images);
+
+ //qDebug() << "Stored " << ids.count() << " media images.";
+
+ if (ids.count() <= 0)
+ return -1;
+
+ /* Contained Media images successfully stored to db,
+ storing media image container also */
+
+ try {
+
+ // Insert MediaImageContainer first as a EmuFrontFile object to file table.
+
+ // File id is used to store the media image container instance to database,
+ // file id is also the media image container id
+
+ // TODO: if this fails, the remove the media images in ids
+ fileId = insertDataObjectToModel(mic);
+
+ //qDebug() << "Inserted media image container to file table with id " << fileId << ".";
+
+ if (fileId < 0) {
+ // TODO: note we most surely need to catch the exception
+ // in the calling code block and clean
+ // all the media image and ...containers from
+ // the memory!
+ throw EmuFrontException(
+ QString(tr("Inserting media image container %1 to file database failed"))
+ .arg(mic->getName()));
+ }
+
+ mic->setId(fileId);
+
+ if (!linkMediaImageContainerToPath(mic)){
+ DbFile::deleteDataObject(fileId);
+ throw EmuFrontException("Failed inserting media image to database!");
+ }
+ //qDebug() << "Inserted media image container " << fileId << " to mediaimagecontainer table.";
+ linkMediaImagesWithContainer(fileId, images.values());
+ //qDebug() << "Linked media image container with media images.";
+ } catch (EmuFrontException e) {
+ dbMediaImage->removeOrphanedMediaImages(ids);
+ throw e;
+ }
+
+ return fileId;
}
bool DbMediaImageContainer::deleteDataObjectFromModel(QModelIndex *i)
return false;
}
-int DbMediaImageContainer::countDataObjectRefs(int id) const
+QString DbMediaImageContainer::constructSelect(QString whereClause) const
{
- // TODO
- return -1;
+ // TODO, for a usual search we need a "light" version of this select
+ // and MediaImageContainer (only id, name)
+ QString select = QString("SELECT file.id, file.name, file.checksum, file.size, "
+ " filepath.id, filepath.name, "
+ " setup.id, "
+ " platform.id, platform.name, "
+ " mediatype.id, mediatype.name "
+ "FROM file "
+ "INNER JOIN mediaimagecontainer_filepath ON mediaimagecontainer_filepath.fileid = file.id "
+ "INNER JOIN filepath ON mediaimagecontainer_filepath.filepathid = filepath.id "
+ "INNER JOIN setup ON filepath.setupid = setup.id "
+ "INNER JOIN platform ON setup.platformid = platform.id "
+ "INNER JOIN mediatype ON setup.mediatypeid = mediatype.id "
+ "%1 "
+ "ORDER BY file.name").arg(whereClause);
+ //qDebug() << select;
+ return select;
}
-QString DbMediaImageContainer::constructSelect(QString whereClause) const
+QString DbMediaImageContainer::constructFilterById(int id) const
{
- // TODO
- return "";
+ return QString("file.id = %1").arg(id);
}
QString DbMediaImageContainer::constructSelectById(int id) const
{
- // TODO
- return "";
+ return constructSelect(
+ QString("WHERE %1").arg(constructFilterById(id))
+ );
}
-EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *)
+/* Throws EmuFrontException */
+EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *rec)
{
- // TODO
- return 0;
+ // TODO: checks!
+ MediaImageContainer *mic = 0;
+ if (!rec) return mic;
+ int id = rec->value(MIC_FileId).toInt();
+ QString name = rec->value(MIC_FileName).toString();
+ QString checksum = rec->value(MIC_FileCheckSum).toString();
+ int size = rec->value(MIC_FileSize).toInt();
+ int fpId = rec->value(MIC_FilePathId).toInt();
+ FilePathObject *fpo
+ = dynamic_cast<FilePathObject*>(dbFilePath->getDataObject(fpId)); /* Throws EmuFrontException */
+ //int supId = rec->value(MIC_SetupId).toInt();
+ //Setup *sup = dbSetup->getDataObject(supId)
+ QMap<QString, EmuFrontObject*> images = dbMediaImage->getMediaImages(id);
+
+ mic = new MediaImageContainer(
+ id, name, checksum, size, images, fpo
+ );
+ return mic;
}
QSqlQueryModel* DbMediaImageContainer::getData()
{
- // TODO
- return 0;
+ QSqlQueryModel *model = new QSqlQueryModel(this);
+ if (sqlTableModel){
+ model->setQuery(sqlTableModel->query());
+ }
+ else
+ model->setQuery(constructSelect());
+ model->setHeaderData(MIC_FileId, Qt::Horizontal, tr("File id"));
+ model->setHeaderData(MIC_FileName, Qt::Horizontal, tr("File Name"));
+ model->setHeaderData(MIC_FileCheckSum, Qt::Horizontal, tr("File checksum"));
+ model->setHeaderData(MIC_FileSize, Qt::Horizontal, tr("File Size"));
+ model->setHeaderData(MIC_FilePathId, Qt::Horizontal, tr("File path id"));
+ model->setHeaderData(MIC_FilePathName, Qt::Horizontal, tr("File path name"));
+ model->setHeaderData(MIC_SetupId, Qt::Horizontal, tr("Setup id"));
+ model->setHeaderData(MIC_PlatformId, Qt::Horizontal, tr("Platform id"));
+ model->setHeaderData(MIC_PlatformName, Qt::Horizontal, tr("Platform name"));
+ model->setHeaderData(MIC_MediaTypeId, Qt::Horizontal, tr("Media type id"));
+ model->setHeaderData(MIC_MediaTypeName, Qt::Horizontal, tr("Media type name"));
+ return model;
}
+/* Returns the id of a media image container with a given cheksum or -1 if not found */
int DbMediaImageContainer::getMediaImageContainer(QString checksum) const
{
- // TODO
- return -1;
+ QSqlQuery q;
+ q.prepare("SELECT id FROM file WHERE checksum=:checksum");
+ q.bindValue(":checksum", checksum);
+ int id = -1;
+ if (q.next())
+ id = q.value(0).toInt();
+ return id;
}
-void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst)
+
+/**
+* Stores media image containers, including the media images included
+* to database.
+*
+* Throws EmuFrontException
+*/
+void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst, FilePathObject *fpo)
{
foreach(MediaImageContainer *mic, lst)
{
- QList<MediaImage*> images = mic->getMediaImages();
- if (getMediaImageContainer(mic->getCheckSum()) >= 0)
- continue;
- // this is a new media image container, lets build a list
- // of media image id's for this container
- QList<int> ids = dbMediaImage->storeMediaImages(images);
-
- if (ids.count() > 0)
- {
- // store media image to id
+ //qDebug() << "Media image container " << mic->getName();
+ int micFileId = storeMediaImageContainer(mic);
+ }
+}
- // get last insert id of stored media image
+/* Throws EmuFrontException */
+void DbMediaImageContainer::linkMediaImagesWithContainer(int micId, QList<EmuFrontObject*> mediaImages)
+{
+ if (micId < 0 || mediaImages.count() <= 0)
+ return;
- // link all the ids in ids-list to media image id
+ MediaImage *mi = 0;
+ foreach(EmuFrontObject *efo, mediaImages) {
+ mi = dynamic_cast<MediaImage*>(efo);
+ /*qDebug() << "Linking media image container " << micId
+ << " to media image " << mi->getId() << ", " << mi->getName() << ".";*/
+ if (!linkMediaImageToMediaImageContainer(mi, micId)) {
+ throw EmuFrontException(QString("Failed linking media "
+ "image container %1 to a media image %2").arg(micId).arg(mi->getId()));
}
}
}
+
+void DbMediaImageContainer::filter(int mediaTypeId, int platformId)
+{
+ /*qDebug() << "Filtering media images with media type " << mediaTypeId
+ << " and platform " << platformId;*/
+ QList<QString> filters;
+ if (mediaTypeId >= 0)
+ filters.append(QString("mediatype.id=%1").arg(mediaTypeId));
+ if (platformId >= 0)
+ filters.append(QString("platform.id=%1").arg(platformId));
+ filterDataObjects(filters);
+}
+
+QString DbMediaImageContainer::getCountRefsSelect(int id) const
+{
+ /* we need to count file references to give media image container */
+ /* example:
+ select count(*) from mediaimagecontainer
+ INNER JOIN mediaimagecontainer_mediaimage
+ ON mediaimagecontainer_mediaimage.mediaimagecontainerid
+ = mediaimagecontainer.fileid
+ WHERE mediaimagecontainer.fileid=589;
+ */
+ return QString("SELECT count(*) FROM mediaimagecontainer "
+ "INNER JOIN mediaimagecontainer_mediaimage "
+ "ON mediaimagecontainer_mediaimage.mediaimagecontainerid "
+ " =mediaimagecontainer.fileid "
+ "WHERE mediaimagecontainer.fileid=%1").arg(id);
+}
+
+QString DbMediaImageContainer::getDeleteObjectSql() const
+{
+ // The trigger will take care of deleting
+ // the reference from the mediaimagecontainer
+ // and mediaimage_mediaimagecontainer tables.
+ // there is also a trigger that will delete
+ // all the files linked to mediaimagecontainer
+ // using mediaimage_mediaimagecontainer (the actual
+ // mediaimages).
+ return QString("DELETE FROM file WHERE id=:id");
+}
+
+/* Throws EmuFrontException */
+EmuFrontObject* DbMediaImageContainer::getMediaImageContainerByChecksum(QString checksum)
+{
+ return getDataObject(QString("file.checksum LIKE '%1'").arg(checksum));
+}
+
+bool DbMediaImageContainer::linkMediaImageContainerToPath(const MediaImageContainer *mic) const
+{
+ QSqlQuery q;
+ q.prepare("INSERT INTO mediaimagecontainer_filepath "
+ "(fileid, filepathid, updatetime) "
+ "VALUES (:fileid, :filepathid, :updatetime)");
+ q.bindValue(":fileid", mic->getId());
+ q.bindValue(":filepathid", mic->getFilePath()->getId());
+ q.bindValue(":updatetime", DatabaseManager::getCurrentTimeStamp());
+ return q.exec();
+}
+
+bool DbMediaImageContainer::linkMediaImageToMediaImageContainer(const MediaImage *mi, int micId) const
+{
+ QSqlQuery q;
+ q.prepare("INSERT INTO mediaimagecontainer_mediaimage "
+ "(mediaimagecontainerid, mediaimageid) "
+ "VALUES (:micid, :miid) ");
+ q.bindValue(":micid", micId);
+ q.bindValue(":miid", mi->getId());
+ return q.exec();
+}
+
+bool DbMediaImageContainer::removeFromFilePath(int filePathId) const
+{
+ QSqlQuery q;
+ q.prepare("DELETE FROM mediaimagecontainer_filepath "
+ "WHERE filepathid=:filepathid");
+ q.bindValue(":filepathid", filePathId);
+ return q.exec();
+}
projects / emufront / blobdiff