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 version 2 as published by
9 // the Free Software Foundation and appearing in the file gpl.txt included in the
10 // packaging of this file.
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"
26 #include "dbmediaimage.h"
27 //#include "dbsetup.h"
28 #include "dbfilepath.h"
30 DbMediaImageContainer::DbMediaImageContainer(QObject *parent)
33 dbMediaImage = new DbMediaImage(parent);
34 dbFilePath = new DbFilePath(parent);
35 tableName = DbMediaImageContainer::DB_TABLE_MEDIAIMAGECONTAINER;
38 bool DbMediaImageContainer::updateDataObjectToModel(const EmuFrontObject *efo)
44 /* Throws EmuFrontException */
45 int DbMediaImageContainer::storeMediaImageContainer(EmuFrontObject *efo)
47 MediaImageContainer *mic
48 = dynamic_cast<MediaImageContainer *>(efo);
50 if (!mic->getFilePath())
51 throw EmuFrontException("Cannot install media image "
52 "container to database without a file path object!");
54 // multiple media image containers with matching checksum will be stored
55 // if each instance is in a different file path
58 QMap<QString, EmuFrontObject*> images = mic->getMediaImages();
59 QList<int> ids = dbMediaImage->storeMediaImages(images);
61 //qDebug() << "Stored " << ids.count() << " media images.";
66 /* Contained Media images successfully stored to db,
67 storing media image container also */
71 // Insert MediaImageContainer first as a EmuFrontFile object to file table.
73 // File id is used to store the media image container instance to database,
74 // file id is also the media image container id
76 fileId = insertDataObjectToModel(mic);
78 //qDebug() << "Inserted media image container to file table with id " << fileId << ".";
81 // TODO: note we most surely need to catch the exception
82 // in the calling code block and clean
83 // all the media image and ...containers from
85 throw EmuFrontException(
86 QString(tr("Inserting media image container %1 to file database failed"))
87 .arg(mic->getName()));
92 if (!linkMediaImageContainerToPath(mic)){
93 DbFile::deleteDataObject(fileId);
94 throw EmuFrontException("Failed inserting media image to database!");
96 //qDebug() << "Inserted media image container " << fileId << " to mediaimagecontainer table.";
97 linkMediaImagesWithContainer(fileId, images.values());
98 //qDebug() << "Linked media image container with media images.";
99 } catch (EmuFrontException e) {
100 dbMediaImage->removeOrphanedMediaImages(ids);
107 bool DbMediaImageContainer::deleteDataObjectFromModel(QModelIndex *i)
113 QString DbMediaImageContainer::constructSelect(QString whereClause) const
115 // TODO, for a usual search we need a "light" version of this select
116 // and MediaImageContainer (only id, name)
117 QString select = QString("SELECT file.id, file.name, file.checksum, file.size, "
118 " filepath.id, filepath.name, "
120 " platform.id, platform.name, "
121 " mediatype.id, mediatype.name "
123 "INNER JOIN mediaimagecontainer_filepath ON mediaimagecontainer_filepath.fileid = file.id "
124 "INNER JOIN filepath ON mediaimagecontainer_filepath.filepathid = filepath.id "
125 "INNER JOIN setup ON filepath.setupid = setup.id "
126 "INNER JOIN platform ON setup.platformid = platform.id "
127 "INNER JOIN mediatype ON setup.mediatypeid = mediatype.id "
129 "ORDER BY file.name").arg(whereClause);
130 //qDebug() << select;
134 QString DbMediaImageContainer::constructFilterById(int id) const
136 return QString("file.id = %1").arg(id);
139 QString DbMediaImageContainer::constructSelectById(int id) const
141 return constructSelect(
142 QString("WHERE %1").arg(constructFilterById(id))
146 /* Throws EmuFrontException */
147 EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *rec)
150 MediaImageContainer *mic = 0;
151 if (!rec) return mic;
152 int id = rec->value(MIC_FileId).toInt();
153 QString name = rec->value(MIC_FileName).toString();
154 QString checksum = rec->value(MIC_FileCheckSum).toString();
155 int size = rec->value(MIC_FileSize).toInt();
156 int fpId = rec->value(MIC_FilePathId).toInt();
158 = dynamic_cast<FilePathObject*>(dbFilePath->getDataObject(fpId)); /* Throws EmuFrontException */
159 //int supId = rec->value(MIC_SetupId).toInt();
160 //Setup *sup = dbSetup->getDataObject(supId)
161 QMap<QString, EmuFrontObject*> images = dbMediaImage->getMediaImages(id);
163 mic = new MediaImageContainer(
164 id, name, checksum, size, images, fpo
169 QSqlQueryModel* DbMediaImageContainer::getData()
171 QSqlQueryModel *model = new QSqlQueryModel(this);
173 model->setQuery(sqlTableModel->query());
176 model->setQuery(constructSelect());
177 model->setHeaderData(MIC_FileId, Qt::Horizontal, tr("File id"));
178 model->setHeaderData(MIC_FileName, Qt::Horizontal, tr("File Name"));
179 model->setHeaderData(MIC_FileCheckSum, Qt::Horizontal, tr("File checksum"));
180 model->setHeaderData(MIC_FileSize, Qt::Horizontal, tr("File Size"));
181 model->setHeaderData(MIC_FilePathId, Qt::Horizontal, tr("File path id"));
182 model->setHeaderData(MIC_FilePathName, Qt::Horizontal, tr("File path name"));
183 model->setHeaderData(MIC_SetupId, Qt::Horizontal, tr("Setup id"));
184 model->setHeaderData(MIC_PlatformId, Qt::Horizontal, tr("Platform id"));
185 model->setHeaderData(MIC_PlatformName, Qt::Horizontal, tr("Platform name"));
186 model->setHeaderData(MIC_MediaTypeId, Qt::Horizontal, tr("Media type id"));
187 model->setHeaderData(MIC_MediaTypeName, Qt::Horizontal, tr("Media type name"));
191 /* Returns the id of a media image container with a given cheksum or -1 if not found */
192 int DbMediaImageContainer::getMediaImageContainer(QString checksum) const
195 q.prepare("SELECT id FROM file WHERE checksum=:checksum");
196 q.bindValue(":checksum", checksum);
199 id = q.value(0).toInt();
205 * Stores media image containers, including the media images included
208 * Throws EmuFrontException
210 void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst, FilePathObject *fpo)
212 foreach(MediaImageContainer *mic, lst)
214 //qDebug() << "Media image container " << mic->getName();
215 int micFileId = storeMediaImageContainer(mic);
219 /* Throws EmuFrontException */
220 void DbMediaImageContainer::linkMediaImagesWithContainer(int micId, QList<EmuFrontObject*> mediaImages)
222 if (micId < 0 || mediaImages.count() <= 0)
226 foreach(EmuFrontObject *efo, mediaImages) {
227 mi = dynamic_cast<MediaImage*>(efo);
228 /*qDebug() << "Linking media image container " << micId
229 << " to media image " << mi->getId() << ", " << mi->getName() << ".";*/
230 if (!linkMediaImageToMediaImageContainer(mi, micId)) {
231 throw EmuFrontException(QString("Failed linking media "
232 "image container %1 to a media image %2").arg(micId).arg(mi->getId()));
237 void DbMediaImageContainer::filter(int mediaTypeId, int platformId)
239 /*qDebug() << "Filtering media images with media type " << mediaTypeId
240 << " and platform " << platformId;*/
241 QList<QString> filters;
242 if (mediaTypeId >= 0)
243 filters.append(QString("mediatype.id=%1").arg(mediaTypeId));
245 filters.append(QString("platform.id=%1").arg(platformId));
246 filterDataObjects(filters);
249 QString DbMediaImageContainer::getCountRefsSelect(int id) const
251 /* we need to count file references to give media image container */
253 select count(*) from mediaimagecontainer
254 INNER JOIN mediaimagecontainer_mediaimage
255 ON mediaimagecontainer_mediaimage.mediaimagecontainerid
256 = mediaimagecontainer.fileid
257 WHERE mediaimagecontainer.fileid=589;
259 return QString("SELECT count(*) FROM mediaimagecontainer "
260 "INNER JOIN mediaimagecontainer_mediaimage "
261 "ON mediaimagecontainer_mediaimage.mediaimagecontainerid "
262 " =mediaimagecontainer.fileid "
263 "WHERE mediaimagecontainer.fileid=%1").arg(id);
266 QString DbMediaImageContainer::getDeleteObjectSql() const
268 // The trigger will take care of deleting
269 // the reference from the mediaimagecontainer
270 // and mediaimage_mediaimagecontainer tables.
271 // there is also a trigger that will delete
272 // all the files linked to mediaimagecontainer
273 // using mediaimage_mediaimagecontainer (the actual
275 return QString("DELETE FROM file WHERE id=:id");
278 /* Throws EmuFrontException */
279 EmuFrontObject* DbMediaImageContainer::getMediaImageContainerByChecksum(QString checksum)
281 return getDataObject(QString("file.checksum LIKE '%1'").arg(checksum));
284 bool DbMediaImageContainer::linkMediaImageContainerToPath(const MediaImageContainer *mic) const
287 q.prepare("INSERT INTO mediaimagecontainer_filepath "
288 "(fileid, filepathid, updatetime) "
289 "VALUES (:fileid, :filepathid, :updatetime)");
290 q.bindValue(":fileid", mic->getId());
291 q.bindValue(":filepathid", mic->getFilePath()->getId());
292 q.bindValue(":updatetime", DatabaseManager::getCurrentTimeStamp());
296 bool DbMediaImageContainer::linkMediaImageToMediaImageContainer(const MediaImage *mi, int micId) const
299 q.prepare("INSERT INTO mediaimagecontainer_mediaimage "
300 "(mediaimagecontainerid, mediaimageid) "
301 "VALUES (:micid, :miid) ");
302 q.bindValue(":micid", micId);
303 q.bindValue(":miid", mi->getId());
307 bool DbMediaImageContainer::removeFromFilePath(int filePathId) const
310 q.prepare("DELETE FROM mediaimagecontainer_filepath "
311 "WHERE filepathid=:filepathid");
312 q.bindValue(":filepathid", filePathId);