2 * SomePlayer - An alternate music player for Maemo 5
3 * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include "dbstorage.h"
25 using namespace SomePlayer::Storage;
26 using namespace SomePlayer::DataObjects;
28 DbStorage::DbStorage(QString path) {
29 QString dbname = path+_DATABASE_NAME_;
30 db = QSqlDatabase::addDatabase("QSQLITE");
31 db.setDatabaseName(dbname);
33 // throw big exception
35 // create database structure
36 _create_database_structure();
40 void DbStorage::_prepare_queries() {
41 _get_artists_query = new QSqlQuery(db);
42 _get_artists_query->prepare("SELECT name FROM artist ORDER BY uname");
44 _get_albums_for_artist_sort_name_query = new QSqlQuery(db);
45 _get_albums_for_artist_sort_name_query->prepare("SELECT name, year FROM album WHERE artist_id in (SELECT id from artist WHERE uname = :uname) ORDER BY uname;");
47 _get_albums_for_artist_sort_year_query = new QSqlQuery(db);
48 _get_albums_for_artist_sort_year_query->prepare("SELECT name, year FROM album WHERE artist_id in (SELECT id from artist WHERE uname = :uname) ORDER BY year;");
50 _get_tracks_for_album_query = new QSqlQuery(db);
51 _get_tracks_for_album_query->prepare("SELECT id, title, source, count, length FROM tracks WHERE artist_id IN "
52 "(SELECT id FROM artist WHERE uname = :artist_uname) AND album_id IN "
53 "(SELECT id FROM album WHERE uname = :album_uname);");
55 _get_favorites_query = new QSqlQuery(db);
56 _get_favorites_query->prepare("SELECT track_id as id, title, artist, album.name as album, source, count, length FROM "
57 "(SELECT tracks.id AS track_id, artist.name AS artist, title, count, source, tracks.album_id, length FROM "
58 "tracks JOIN artist ON tracks.artist_id = artist.id) "
59 "JOIN album ON album_id = album.id WHERE track_id IN "
60 "(SELECT track_id FROM favorites);");
62 _get_most_played_query = new QSqlQuery(db);
63 _get_most_played_query->prepare("SELECT track_id as id, title, artist, album.name as album, source, count, length FROM "
64 "(SELECT tracks.id AS track_id, artist.name AS artist, title, count, source, tracks.album_id, length FROM "
65 "tracks JOIN artist ON tracks.artist_id = artist.id) "
66 "JOIN album ON album_id = album.id ORDER BY count DESC "
69 _get_never_played_query = new QSqlQuery(db);
70 _get_never_played_query->prepare("SELECT track_id as id, title, artist, album.name as album, source, count, length FROM "
71 "(SELECT tracks.id AS track_id, artist.name AS artist, title, count, source, tracks.album_id, length FROM "
72 "tracks JOIN artist ON tracks.artist_id = artist.id) "
73 "JOIN album ON album_id = album.id "
76 _get_recently_added_query = new QSqlQuery(db);
77 _get_recently_added_query->prepare("SELECT track_id as id, title, artist, album.name as album, source, count, length FROM "
78 "(SELECT tracks.id AS track_id, artist.name AS artist, title, count, source, tracks.album_id, length FROM "
79 "tracks JOIN artist ON tracks.artist_id = artist.id) "
80 "JOIN album ON album_id = album.id "
82 "(SELECT track_id FROM adding_date ORDER BY date DESC LIMIT 0, :max)");
84 _get_track_count = new QSqlQuery(db);
85 _get_track_count->prepare("SELECT count from tracks WHERE id = :id");
87 _get_track_by_source_query = new QSqlQuery(db);
88 _get_track_by_source_query->prepare("SELECT track_id AS id, title, artist, album.name AS album, source, count, length FROM "
89 "(SELECT tracks.id AS track_id, artist.name AS artist, title, count, tracks.album_id, length FROM "
90 "tracks JOIN artist ON tracks.artist_id = artist.id AND source = :source) "
91 "JOIN album ON album_id = album.id LIMIT 1");
93 _get_tracks_by_pattern_query = new QSqlQuery(db);
94 _get_tracks_by_pattern_query->prepare("SELECT id, title, artist, album, source, count, length, year FROM "
96 "utitle LIKE (SELECT '%' || :ptitle || '%') OR "
97 "album_uname LIKE (SELECT '%' || :palbum || '%') OR "
98 "artist_uname LIKE (SELECT '%' || :partist || '%') "
99 "ORDER BY artist_uname, year");
101 _check_artist_query = new QSqlQuery(db);
102 _check_artist_query->prepare("SELECT id FROM artist WHERE uname = :uname");
104 _check_album_query = new QSqlQuery(db);
105 _check_album_query->prepare("SELECT id FROM album WHERE uname = :uname AND artist_id = :artist_id");
107 _check_track_query = new QSqlQuery(db);
108 _check_track_query->prepare("SELECT id FROM tracks WHERE source = :source");
110 _insert_artist_query = new QSqlQuery(db);
111 _insert_artist_query->prepare("INSERT INTO artist (name, uname) values (:name, :uname)");
113 _insert_album_query = new QSqlQuery(db);
114 _insert_album_query->prepare("INSERT INTO album (name, uname, artist_id, year) values (:name, :uname, :artist_id, :year)");
116 _insert_track_query = new QSqlQuery(db);
117 _insert_track_query->prepare("INSERT INTO tracks (title, utitle, artist_id, album_id, source, length) values (:title, :utitle, :artist_id, :album_id, :source, :length)");
119 _insert_date_query = new QSqlQuery(db);
120 _insert_date_query->prepare("INSERT INTO adding_date (track_id, date) values (:track_id, strftime('%s', 'now'))");
122 _insert_favorites_query = new QSqlQuery(db);
123 _insert_favorites_query->prepare("INSERT INTO favorites (track_id) values (:track_id)");
125 _update_track_count_query = new QSqlQuery(db);
126 _update_track_count_query->prepare("UPDATE tracks SET count = :count where id = :id");
128 _remove_track_query = new QSqlQuery(db);
129 _remove_track_query->prepare("DELETE FROM tracks WHERE id = :id");
132 void DbStorage::_create_database_structure() {
133 QSqlQuery *query = new QSqlQuery(db);
134 query->exec("create table artist (id integer primary key, "
138 query->exec("create table album (id integer primary key, "
139 "artist_id integer, "
143 "foreign key(artist_id) references arist(id) "
145 query->exec("create table tracks (id integer primary key, "
146 "artist_id integer, "
151 "count integer default 0, "
152 "length integer default 0, "
153 "foreign key(artist_id) references artist(id), "
154 "foreign key(album_id) references album(id) "
156 query->exec("create table favorites (track_id integer, "
157 "foreign key(track_id) references tracks(id) "
159 query->exec("create table adding_date (track_id integer, "
161 "foreign key(track_id) references tracks(id) "
163 query->exec("create view entire as "
164 "select id, title, artist_name as artist, album_name as album, source, count, length, album_year as year, utitle, artist_uname, album_uname from "
166 "(select artist.id as aartist_id, "
167 "artist.uname as artist_uname, "
168 "artist.name as artist_name, "
169 "album.uname as album_uname, "
170 "album.year as album_year, "
171 "album.id as aalbum_id, "
172 "album.name as album_name from "
175 "on album.artist_id = artist.id) "
176 "on aartist_id = tracks.artist_id "
177 "and aalbum_id = tracks.album_id");
180 DbStorage::~DbStorage() {
181 delete _get_albums_for_artist_sort_name_query;
182 delete _get_albums_for_artist_sort_year_query;
183 delete _get_artists_query;
184 delete _get_favorites_query;
185 delete _get_most_played_query;
186 delete _get_never_played_query;
187 delete _get_recently_added_query;
188 delete _get_tracks_for_album_query;
189 delete _get_track_by_source_query;
190 delete _get_tracks_by_pattern_query;
191 delete _check_album_query;
192 delete _check_artist_query;
193 delete _check_track_query;
194 delete _insert_album_query;
195 delete _insert_artist_query;
196 delete _insert_date_query;
197 delete _insert_track_query;
198 delete _insert_favorites_query;
199 delete _update_track_count_query;
200 delete _remove_track_query;
204 QList<QString> DbStorage::getArtists() {
205 QList<QString> artists;
206 QSqlQuery *query = _get_artists_query;
208 while (query->next()) {
209 QString name = query->value(0).toString();
210 artists.append(name);
215 QMap<QString, int> DbStorage::getAlbumsForArtist(QString artist) {
216 QMap<QString, int> albums;
218 QString sort = config.getValue("ui/albumsorting").toString();
219 QSqlQuery *query = NULL;
220 if (sort == "date") {
221 query = _get_albums_for_artist_sort_year_query;
223 query = _get_albums_for_artist_sort_name_query;
225 query->bindValue(":uname", artist.toUpper());
227 while (query->next()) {
228 QString name = query->value(0).toString();
229 albums[name] = query->value(1).toInt();
234 QList<Track> DbStorage::getTracksForAlbum(QString album, QString artist) {
236 QSqlQuery *query = _get_tracks_for_album_query;
237 query->bindValue(":artist_uname", artist.toUpper());
238 query->bindValue(":album_uname", album.toUpper());
241 while (query->next()) {
242 int id = query->value(0).toInt();
243 QString title = query->value(1).toString();
244 QString source = query->value(2).toString();
245 int count = query->value(3).toInt();
246 int length = query->value(4).toInt();
247 TrackMetadata meta (title, artist, album, length);
248 Track track(id, meta, source);
249 track.setCount(count);
250 tracks.append(track);
256 Playlist DbStorage::getFavorites() {
258 QSqlQuery *query = _get_favorites_query;
260 while(query->next()) {
261 int id = query->value(0).toInt();
262 QString title = query->value(1).toString();
263 QString artist = query->value(2).toString();
264 QString album = query->value(3).toString();
265 QString source = query->value(4).toString();
266 int count = query->value(5).toInt();
267 int length = query->value(6).toInt();
268 TrackMetadata meta(title, artist, album, length);
269 Track track(id, meta, source);
270 track.setCount(count);
271 playlist.addTrack(track);
272 playlist.setName("Favorites");
277 Playlist DbStorage::getMostPlayed() {
279 QSqlQuery *query = _get_most_played_query;
280 query->bindValue(":max", _DYNAMIC_PLAYLIST_MAX_COUNT_);
282 while (query->next()) {
283 int id = query->value(0).toInt();
284 QString title = query->value(1).toString();
285 QString artist = query->value(2).toString();
286 QString album = query->value(3).toString();
287 QString source = query->value(4).toString();
288 int count = query->value(5).toInt();
289 int length = query->value(6).toInt();
290 TrackMetadata meta(title, artist, album, length);
291 Track track(id, meta, source);
292 track.setCount(count);
293 playlist.addTrack(track);
294 playlist.setName("Most popular");
299 Playlist DbStorage::getNeverPlayed() {
301 QSqlQuery *query = _get_never_played_query;
302 query->bindValue(":max", _DYNAMIC_PLAYLIST_MAX_COUNT_);
304 while (query->next()) {
305 int id = query->value(0).toInt();
306 QString title = query->value(1).toString();
307 QString artist = query->value(2).toString();
308 QString album = query->value(3).toString();
309 QString source = query->value(4).toString();
310 int count = query->value(5).toInt();
311 int length = query->value(6).toInt();
312 TrackMetadata meta(title, artist, album, length);
313 Track track(id, meta, source);
314 track.setCount(count);
315 playlist.addTrack(track);
316 playlist.setName("Never played");
321 Playlist DbStorage::getRecentlyAdded() {
323 QSqlQuery *query = _get_recently_added_query;
324 query->bindValue(":max", _DYNAMIC_PLAYLIST_MAX_COUNT_);
326 while (query->next()) {
327 int id = query->value(0).toInt();
328 QString title = query->value(1).toString();
329 QString artist = query->value(2).toString();
330 QString album = query->value(3).toString();
331 QString source = query->value(4).toString();
332 int count = query->value(5).toInt();
333 int length = query->value(6).toInt();
334 TrackMetadata meta(title, artist, album, length);
335 Track track(id, meta, source);
336 track.setCount(count);
337 playlist.addTrack(track);
338 playlist.setName("Recently added");
343 void DbStorage::removeTrack(Track track) {
345 QSqlQuery *query = new QSqlQuery(db);
346 query->prepare("DELETE FROM tracks WHERE id = :id;");
347 query->bindValue(":id", id);
349 query->prepare("DELETE FROM favorites WHERE track_id = :id;");
350 query->bindValue(":id", id);
352 query->prepare("DELETE FROM adding_date WHERE id = :id;");
353 query->bindValue(":id", id);
357 void DbStorage::addTrack(Track track) {
358 QString title = track.metadata().title();
359 QString artist = track.metadata().artist();
360 QString album = track.metadata().album();
361 QString source = track.source();
362 int year = track.metadata().year();
363 int artist_id = _check_add_artist(artist);
364 int album_id = _check_add_album(album, artist_id, year);
365 if (artist_id == -1 || album_id == -1) {
369 QSqlQuery *query = _check_track_query;
370 query->bindValue(":source", source);
373 // already in datebase, skip
376 query = _insert_track_query;
377 query->bindValue(":title", title);
378 query->bindValue(":utitle", title.toUpper());
379 query->bindValue(":artist_id", artist_id);
380 query->bindValue(":album_id", album_id);
381 query->bindValue(":source", source);
382 query->bindValue(":length", track.metadata().length());
385 query = _check_track_query;
386 query->bindValue(":source", source);
389 int id = query->value(0).toInt();
390 query = _insert_date_query;
391 query->bindValue(":track_id", id);
405 void DbStorage::addToFavorites(Track track) {
406 QSqlQuery *query = _insert_favorites_query;
407 query->bindValue(":track_id", track.id());
411 void DbStorage::updateTrackCount(Track track) {
412 QSqlQuery *query = _get_track_count;
413 query->bindValue(":id", track.id());
416 int count = query->value(0).toInt();
417 query = _update_track_count_query;
418 query->bindValue(":count", count+1);
419 query->bindValue(":id", track.id());
424 Track DbStorage::updateTrack(Track track) {
425 QSqlQuery *query = _remove_track_query;
426 query->bindValue(":id", track.id());
428 query = _get_track_by_source_query;
429 query->bindValue(":source", track.source());
432 int id = query->value(0).toInt();
433 QString title = query->value(1).toString();
434 QString artist = query->value(2).toString();
435 QString album = query->value(3).toString();
436 QString source = query->value(4).toString();
437 int count = query->value(5).toInt();
438 int length = query->value(6).toInt();
439 TrackMetadata meta(title, artist, album, length);
440 Track ntrack(id, meta, source);
441 ntrack.setCount(count);
447 int DbStorage::_check_add_artist(QString artist) {
448 QSqlQuery *query = _check_artist_query;
449 query->bindValue(":uname", artist.toUpper());
452 int id = query->value(0).toInt();
455 query = _insert_artist_query;
456 query->bindValue(":name", artist);
457 query->bindValue(":uname", artist.toUpper());
459 return _check_add_artist(artist);
467 int DbStorage::_check_add_album(QString album, int artist_id, int year) {
468 QSqlQuery *query = _check_album_query;
469 query->bindValue(":uname", album.toUpper());
470 query->bindValue(":artist_id", artist_id);
473 int id = query->value(0).toInt();
476 query = _insert_album_query;
477 query->bindValue(":name", album);
478 query->bindValue(":uname", album.toUpper());
479 query->bindValue(":artist_id", artist_id);
480 query->bindValue(":year", year);
482 return _check_add_album(album, artist_id, year);
490 QList<Track> DbStorage::search(QString pattern) {
492 QSqlQuery *query = _get_tracks_by_pattern_query;
493 query->bindValue(":ptitle", pattern.toUpper()); // with :pattern only doesn't work
494 query->bindValue(":palbum", pattern.toUpper());
495 query->bindValue(":partist", pattern.toUpper());
497 // id, title, artist, album, source, count, length, year
498 while (query->next()) {
499 int id = query->value(0).toInt();
500 QString title = query->value(1).toString();
501 QString artist = query->value(2).toString();
502 QString album = query->value(3).toString();
503 QString source = query->value(4).toString();
504 int count = query->value(5).toInt();
505 int length = query->value(6).toInt();
506 int year = query->value(7).toInt();
507 TrackMetadata meta(title, artist, album, length);
509 Track track(id, meta, source);
510 track.setCount(count);