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
46 EmuFrontObject *o = getFileByChecksum(mic->getCheckSum());
47 int fileId = o ? o->getId() : -1;
48 /*int fileId = getMediaImageContainer(mic->getCheckSum());*/
50 qDebug() << "Media image container already in db with id " << fileId << ".";
54 if (!mic->getFilePath())
55 throw new EmuFrontException("Cannot install media image "
56 "container to database without a file path object!");
58 QList<MediaImage*> 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
75 fileId = DbFile::insertDataObjectToModel(mic);
77 qDebug() << "Inserted media image container to file table with id " << fileId << ".";
80 // TODO: note we most surely need to catch the exception
81 // in the calling code block and clean
82 // all the media image and ...containers from
84 throw new EmuFrontException(
85 QString(tr("Inserting media image container %1 to file database failed"))
86 .arg(mic->getName()));
89 // Insert to mediaimagecontainer table
92 q.prepare("INSERT INTO mediaimagecontainer "
93 "(fileid, filepathid, updatetime) "
94 "VALUES (:fileid, :filepathid, :updatetime)");
95 q.bindValue(":fileid", fileId);
96 q.bindValue(":filepathid", mic->getFilePath()->getId());
97 q.bindValue(":updatetime", DatabaseManager::getCurrentTimeStamp());
99 DbFile::deleteDataObject(fileId);
100 throw new EmuFrontException("Failed inserting media image to database!");
102 qDebug() << "Inserted media image container " << fileId << " to mediaimagecontainer table.";
103 linkMediaImagesWithContainer(fileId, ids);
104 qDebug() << "Linked media image container with media images.";
105 } catch (EmuFrontException e) {
106 dbMediaImage->removeOrphanedMediaImages(ids);
113 bool DbMediaImageContainer::deleteDataObjectFromModel(QModelIndex *i)
119 int DbMediaImageContainer::countDataObjectRefs(int id) const
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 return 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);
144 QString DbMediaImageContainer::constructFilterById(int id) const
146 return DbFile::constructFilterById(id);
149 QString DbMediaImageContainer::constructSelectById(int id) const
151 return DbFile::constructSelectById(id);
154 EmuFrontObject* DbMediaImageContainer::recordToDataObject(const QSqlRecord *rec)
156 return DbFile::recordToDataObject(rec);
159 QSqlQueryModel* DbMediaImageContainer::getData()
161 return DbFile::getData();
164 /* Returns the id of a media image container with a given cheksum or -1 if not found */
165 int DbMediaImageContainer::getMediaImageContainer(QString checksum) const
168 q.prepare("SELECT id FROM file WHERE checksum=:checksum");
169 q.bindValue(":checksum", checksum);
172 id = q.value(0).toInt();
178 * Stores media image containers, including the media images included
181 void DbMediaImageContainer::storeContainers(QList<MediaImageContainer *> lst, FilePathObject *fpo)
183 qDebug() << "Storing media image containers to database.";
184 foreach(MediaImageContainer *mic, lst)
186 qDebug() << "Media image container " << mic->getName();
187 int micFileId = insertDataObjectToModel(mic);
191 void DbMediaImageContainer::linkMediaImagesWithContainer(int micId, QList<int> miIds)
193 if (micId < 0 || miIds.count() <= 0)
197 q.prepare("INSERT INTO mediaimagecontainer_mediaimage "
198 "(mediaimagecontainerid, mediaimageid) "
199 "VALUES (:micid, :miid) ");
200 q.bindValue(":micid", micId);
202 foreach(int miid, miIds) {
203 qDebug() << "Linking media image container " << micId << " to media image " << miid << ".";
204 q.bindValue(":miid", miid);
206 throw new EmuFrontException(QString("Failed linking media "
207 "image container %1 to a media image %2").arg(micId).arg(miid));
212 void DbMediaImageContainer::filter(int mediaTypeId, int platformId)
214 QList<QString> filters;
215 if (mediaTypeId >= 0)
216 filters.append(QString("mediatype.id=%1").arg(mediaTypeId));
218 filters.append(QString("platform.id=%1").arg(platformId));
219 filterDataObjects(filters);