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"
31 DbMediaImageContainer::DbMediaImageContainer(QObject *parent)
32 : DbFile(parent) // DbQueryModelManager(parent)
34 dbMediaImage = new DbMediaImage(parent);
35 dbFilePath = new DbFilePath(parent);
36 tableName = DbMediaImageContainer::DB_TABLE_MEDIAIMAGECONTAINER;
37 //dbFile = new DbFile(parent);
40 bool DbMediaImageContainer::updateDataObjectToModel(const EmuFrontObject *efo)
46 int DbMediaImageContainer::insertDataObjectToModel(const EmuFrontObject *efo)
48 const MediaImageContainer *mic
49 = dynamic_cast<const MediaImageContainer *>(efo);
51 // check if this media image container is already in the database
52 EmuFrontObject *o = getFileByChecksum(mic->getCheckSum());
53 int fileId = o ? o->getId() : -1;
54 /*int fileId = getMediaImageContainer(mic->getCheckSum());*/
56 qDebug() << "Media image container already in db with id " << fileId << ".";
60 if (!mic->getFilePath())
61 throw new EmuFrontException("Cannot install media image "
62 "container to database without a file path object!");
64 QList<MediaImage*> images = mic->getMediaImages();
65 QList<int> ids = dbMediaImage->storeMediaImages(images);
67 qDebug() << "Stored " << ids.count() << " media images.";
72 /* Contained Media images successfully stored to db,
73 storing media image container also */
77 // Insert MediaImageContainer first as a EmuFrontFile object to file table.
79 // File id is used to store the media image container instance to database,
80 // file id is also the media image container id
81 fileId = DbFile::insertDataObjectToModel(mic);
83 qDebug() << "Inserted media image container to file table with id " << fileId << ".";
86 // TODO: note we most surely need to catch the exception
87 // in the calling code block and clean
88 // all the media image and ...containers from
90 throw new EmuFrontException(
91 QString(tr("Inserting media image container %1 to file database failed"))
92 .arg(mic->getName()));
95 // Insert to mediaimagecontainer table
98 q.prepare("INSERT INTO mediaimagecontainer "
99 "(fileid, filepathid, updatetime) "
100 "VALUES (:fileid, :filepathid, :updatetime)");
101 q.bindValue(":fileid", fileId);
102 q.bindValue(":filepathid", mic->getFilePath()->getId());
103 q.bindValue(":updatetime", DatabaseManager::getCurrentTimeStamp());
105 DbFile::deleteDataObject(fileId);
106 throw new EmuFrontException("Failed inserting media image to database!");
108 qDebug() << "Inserted media image container " << fileId << " to mediaimagecontainer table.";
109 linkMediaImagesWithContainer(fileId, ids);
110 qDebug() << "Linked media image container with media images.";
111 } catch (EmuFrontException e) {
112 dbMediaImage->removeOrphanedMediaImages(ids);
119 bool DbMediaImageContainer::deleteDataObjectFromModel(QModelIndex *i)
125 QString DbMediaImageContainer::constructSelect(QString whereClause) const
127 // TODO, for a usual search we need a "light" version of this select
128 // and MediaImageContainer (only id, name)
129 QString select = QString("SELECT file.id, file.name, file.checksum, file.size, "
130 " filepath.id, filepath.name, "
132 " platform.id, platform.name, "
133 " mediatype.id, mediatype.name "
134 "FROM mediaimagecontainer "
135 "INNER JOIN file ON mediaimagecontainer.fileid = file.id "
136 "INNER JOIN filepath ON mediaimagecontainer.filepathid = filepath.id "
137 "INNER JOIN setup ON filepath.setupid = setup.id "
138 "INNER JOIN platform ON setup.platformid = platform.id "
139 "INNER JOIN mediatype ON setup.mediatypeid = mediatype.id "
141 "ORDER BY file.name").arg(whereClause);
146 QString DbMediaImageContainer::constructFilterById(int id) const
148 return QString("file.id = %1").arg(id);
151 QString DbMediaImageContainer::constructSelectById(int id) const
153 return constructSelect(
154 QString("WHERE %1").arg(constructFilterById(id))
158 EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *rec)
161 MediaImageContainer *mic = 0;
162 if (!rec) return mic;
163 int id = rec->value(MIC_FileId).toInt();
164 QString name = rec->value(MIC_FileName).toString();
165 QString checksum = rec->value(MIC_FileCheckSum).toString();
166 int size = rec->value(MIC_FileSize).toInt();
167 int fpId = rec->value(MIC_FilePathId).toInt();
169 = dynamic_cast<FilePathObject*>(dbFilePath->getDataObject(fpId));
170 //int supId = rec->value(MIC_SetupId).toInt();
171 //Setup *sup = dbSetup->getDataObject(supId)
172 QList<MediaImage*> images = dbMediaImage->getMediaImages(id);
174 mic = new MediaImageContainer(
175 id, name, checksum, size, images, fpo
180 QSqlQueryModel* DbMediaImageContainer::getData()
182 QSqlQueryModel *model = new QSqlQueryModel(this);
184 model->setQuery(sqlTableModel->query());
187 model->setQuery(constructSelect());
188 model->setHeaderData(MIC_FileId, Qt::Horizontal, tr("File id"));
189 model->setHeaderData(MIC_FileName, Qt::Horizontal, tr("File Name"));
190 model->setHeaderData(MIC_FileCheckSum, Qt::Horizontal, tr("File checksum"));
191 model->setHeaderData(MIC_FileSize, Qt::Horizontal, tr("File Size"));
192 model->setHeaderData(MIC_FilePathId, Qt::Horizontal, tr("File path id"));
193 model->setHeaderData(MIC_FilePathName, Qt::Horizontal, tr("File path name"));
194 model->setHeaderData(MIC_SetupId, Qt::Horizontal, tr("Setup id"));
195 model->setHeaderData(MIC_PlatformId, Qt::Horizontal, tr("Platform id"));
196 model->setHeaderData(MIC_PlatformName, Qt::Horizontal, tr("Platform name"));
197 model->setHeaderData(MIC_MediaTypeId, Qt::Horizontal, tr("Media type id"));
198 model->setHeaderData(MIC_MediaTypeName, Qt::Horizontal, tr("Media type name"));
202 /* Returns the id of a media image container with a given cheksum or -1 if not found */
203 int DbMediaImageContainer::getMediaImageContainer(QString checksum) const
206 q.prepare("SELECT id FROM file WHERE checksum=:checksum");
207 q.bindValue(":checksum", checksum);
210 id = q.value(0).toInt();
216 * Stores media image containers, including the media images included
219 void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst, FilePathObject *fpo)
221 qDebug() << "Storing media image containers to database.";
222 foreach(MediaImageContainer *mic, lst)
224 qDebug() << "Media image container " << mic->getName();
225 int micFileId = insertDataObjectToModel(mic);
229 void DbMediaImageContainer::linkMediaImagesWithContainer(int micId, QList<int> miIds)
231 if (micId < 0 || miIds.count() <= 0)
235 q.prepare("INSERT INTO mediaimagecontainer_mediaimage "
236 "(mediaimagecontainerid, mediaimageid) "
237 "VALUES (:micid, :miid) ");
238 q.bindValue(":micid", micId);
240 foreach(int miid, miIds) {
241 qDebug() << "Linking media image container " << micId << " to media image " << miid << ".";
242 q.bindValue(":miid", miid);
244 throw new EmuFrontException(QString("Failed linking media "
245 "image container %1 to a media image %2").arg(micId).arg(miid));
250 void DbMediaImageContainer::filter(int mediaTypeId, int platformId)
252 qDebug() << "Filtering media images with media type " << mediaTypeId
253 << " and platform " << platformId;
254 QList<QString> filters;
255 if (mediaTypeId >= 0)
256 filters.append(QString("mediatype.id=%1").arg(mediaTypeId));
258 filters.append(QString("platform.id=%1").arg(platformId));
259 filterDataObjects(filters);
262 QString DbMediaImageContainer::getCountRefsSelect(int id) const
264 /* we need to count file references to give media image container */
266 select count(*) from mediaimagecontainer
267 INNER JOIN mediaimagecontainer_mediaimage
268 ON mediaimagecontainer_mediaimage.mediaimagecontainerid
269 = mediaimagecontainer.fileid
270 WHERE mediaimagecontainer.fileid=589;
272 return QString("SELECT count(*) FROM mediaimagecontainer "
273 "INNER JOIN mediaimagecontainer_mediaimage "
274 "ON mediaimagecontainer_mediaimage.mediaimagecontainerid "
275 " =mediaimagecontainer.fileid "
276 "WHERE mediaimagecontainer.fileid=%1").arg(id);
279 QString DbMediaImageContainer::getDeleteObjectSql() const
281 // The trigger will take care of deleting
282 // the reference from the mediaimagecontainer
283 // and mediaimage_mediaimagecontainer tables.
284 // there is also a trigger that will delete
285 // all the files linked to mediaimagecontainer
286 // using mediaimage_mediaimagecontainer (the actual
288 return QString("DELETE FROM file WHERE id=:id");