2 // Copyright 2010 Mikko Keinänen
4 // This file is part of EmuFront.
7 // EmuFront is free software: you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation, either version 3 of the License, or
10 // (at your option) any later version.
12 // EmuFront is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
23 #include <QSqlRelationalTableModel>
25 #include "dbmediaimagecontainer.h"
27 DbMediaImageContainer::DbMediaImageContainer(QObject *parent)
28 : DbFile(parent) // DbQueryModelManager(parent)
30 dbMediaImage = new DbMediaImage(parent);
31 //dbFile = new DbFile(parent);
34 bool DbMediaImageContainer::updateDataObjectToModel(const EmuFrontObject *efo)
40 int DbMediaImageContainer::insertDataObjectToModel(const EmuFrontObject *efo)
42 const MediaImageContainer *mic
43 = dynamic_cast<const MediaImageContainer *>(efo);
45 // check if this media image container is already in the database
47 if ((fileId = getMediaImageContainer(mic->getCheckSum())) >= 0) {
48 qDebug() << "Media image container already in db with id " << fileId << ".";
52 if (!mic->getFilePath())
53 throw new EmuFrontException("Cannot install media image "
54 "container to database without a file path object!");
56 QList<MediaImage*> images = mic->getMediaImages();
57 QList<int> ids = dbMediaImage->storeMediaImages(images);
59 qDebug() << "Stored " << ids.count() << " media images.";
64 /* Contained Media images successfully stored to db,
65 storing media image container also */
69 // Insert MediaImageContainer first as a EmuFrontFile object to file table.
71 // File id is used to store the media image container instance to database,
72 // file id is also the media image container id
73 fileId = DbFile::insertDataObjectToModel(mic);
75 qDebug() << "Inserted media image container to file table with id " << fileId << ".";
78 // TODO: note we most surely need to catch the exception
79 // in the calling code block and clean
80 // all the media image and ...containers from
82 throw new EmuFrontException(
83 QString(tr("Inserting media image container %1 to file database failed"))
84 .arg(mic->getName()));
87 // Insert to mediaimagecontainer table
90 q.prepare("INSERT INTO mediaimagecontainer "
91 "(fileid, filepathid, updatetime) "
92 "VALUES (:fileid, :filepathid, :updatetime)");
93 q.bindValue(":fileid", fileId);
94 q.bindValue(":filepathid", mic->getFilePath()->getId());
95 q.bindValue(":updatetime", DatabaseManager::getCurrentTimeStamp());
97 DbFile::deleteDataObject(fileId);
98 throw new EmuFrontException("Failed inserting media image to database!");
100 qDebug() << "Inserted media image container " << fileId << " to mediaimagecontainer table.";
101 linkMediaImagesWithContainer(fileId, ids);
102 qDebug() << "Linked media image container with media images.";
103 } catch (EmuFrontException e) {
104 dbMediaImage->removeOrphanedMediaImages(ids);
111 bool DbMediaImageContainer::deleteDataObjectFromModel(QModelIndex *i)
117 int DbMediaImageContainer::countDataObjectRefs(int id) const
123 QString DbMediaImageContainer::constructSelect(QString whereClause) const
129 QString DbMediaImageContainer::constructFilterById(int id) const
135 QString DbMediaImageContainer::constructSelectById(int id) const
141 EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *)
147 QSqlQueryModel* DbMediaImageContainer::getData()
153 /* Returns the id of a media image container with a given cheksum or -1 if not found */
154 int DbMediaImageContainer::getMediaImageContainer(QString checksum) const
162 * Stores media image containers, including the media images included
165 void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst, FilePathObject *fpo)
167 qDebug() << "Storing media image containers to database.";
168 foreach(MediaImageContainer *mic, lst)
170 qDebug() << "Media image container " << mic->getName();
171 int micFileId = insertDataObjectToModel(mic);
175 void DbMediaImageContainer::linkMediaImagesWithContainer(int micId, QList<int> miIds)
177 if (micId < 0 || miIds.count() <= 0)
181 q.prepare("INSERT INTO mediaimagecontainer_mediaimage "
182 "(mediaimagecontainerid, mediaimageid) "
183 "VALUES (:micid, :miid) ");
184 q.bindValue(":micid", micId);
186 foreach(int miid, miIds) {
187 qDebug() << "Linking media image container " << micId << " to media image " << miid << ".";
188 q.bindValue(":miid", miid);
190 throw new EmuFrontException(QString("Failed linking media "
191 "image container %1 to a media image %2").arg(micId).arg(miid));