summaryrefslogtreecommitdiff
path: root/models/track.py
blob: e0905e6658057caa6a11c648928f7b59a71f30c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
import logging
import sqlite3

from common import utils
from db.db_manager import DbManager
from models.artist import Artist
from models.album import Album
from models.base import BaseModel


logging.basicConfig(format="%(asctime)s %(message)s", level=logging.DEBUG)


class Track(BaseModel):

    def __init__(self, id=None, db=None, **kwargs):
        if db:
            self.db = db

        self.__data = {}

        if id is not None:
            for row in self.db.execute("SELECT * FROM track WHERE id = ?",
                                       (id,)):
                for key in ["id", "tracknumber", "name", "grouping",
                            "filename"]:
                    setattr(self, key, row[key])
                    self.__data[key] = row[key]
        else:
            for (key, value) in kwargs.items():
                setattr(self, key, value)
                self.__data[key] = value

    def delete(self):

        delete_sql = "DELETE FROM track WHERE id = ?"

        with self.db.conn:
            self.db.execute(delete_sql, (self.id,))

            # If there is an old album, remove it if it no longer has any
            # tracks
            try:
                del self._album
            except Exception:
                pass

            old_album = self.album

            if old_album:
                self.db.execute("DELETE FROM album_track WHERE track_id = ?",
                                (self.id,))

                if not old_album.tracks:
                    old_album.delete()

            # If there are old artists, remove them if they no longer have
            # any tracks
            try:
                del self._artists
            except Exception:
                pass
            old_artists = self.artists

            for old_artist in old_artists:
                self.db.execute("DELETE FROM artist_track WHERE track_id = "
                                "?", (self.id,))

                if not old_artist.tracks:
                    old_artist.delete()

        return True

    @property
    def db(self):
        try:
            return self._db
        except AttributeError:
            self._db = DbManager()
            return self._db

    @db.setter
    def db(self, db):
        self._db = db

    @property
    def album(self):
        if not hasattr(self, "_album"):
            setattr(self, "_album", None)

            for row in self.db.execute("SELECT album.* FROM album INNER "
                                       "JOIN album_track ON album.id = "
                                       "album_track.album_id WHERE "
                                       "track_id = ? LIMIT 1", (self.id,)):
                setattr(self, "_album", Album(id=row["id"], db=self.db,
                                              name=row["name"],
                                              date=row["date"]))

        return self._album

    @property
    def artists(self):
        if not hasattr(self, "_artists"):
            cursor = self.db.cursor()

            setattr(self, "_artists", [])
            for row in cursor.execute("SELECT artist.* FROM artist INNER JOIN "
                                      "artist_track ON artist.id = "
                                      "artist_track.artist_id WHERE "
                                      "artist_track.track_id = ?",
                                      (self.id,)):
                self._artists.append(Artist(id=row["id"], db=self.db,
                                            name=row["name"],
                                            sortname=row["sortname"],
                                            musicbrainz_artistid=row[
                                                "musicbrainz_artistid"]))

        return self._artists

    def update(self, metadata):
        c = self.db.cursor()

        artist_names = metadata["artist"]
        musicbrainz_artist_ids = []
        artistsorts = []
        try:
            musicbrainz_artist_ids = metadata["musicbrainz_artistid"]
        except KeyError:
            pass
        try:
            artistsorts = metadata["artistsort"]
        except KeyError:
            pass

        i = 0
        artists = []

        for artist_name in artist_names:
            musicbrainz_artistid = None
            artistsort = None

            try:
                musicbrainz_artistid = musicbrainz_artist_ids[i]
            except IndexError:
                pass
            try:
                artistsort = artistsorts[i]
            except IndexError:
                pass

            rows = None

            if musicbrainz_artistid:
                rows = c.execute("SELECT * FROM artist WHERE "
                                 "musicbrainz_artistid = ?",
                                 (musicbrainz_artistid,))
            else:
                rows = c.execute("SELECT * FROM artist WHERE name = ?",
                                 (artist_name,))

            row = rows.fetchone()

            if row:
                artist = Artist(id=row["id"], db=self.db, name=row["name"],
                                sortname=row["sortname"],
                                musicbrainz_artistid=row[
                                    "musicbrainz_artistid"])

                if artist.name != artist_name:
                    c.execute("UPDATE artist SET name = ? WHERE id = ?",
                              (artist_name, artist.id))
                    artist.name = artist_name

                if artist.sortname != artistsort:
                    c.execute("UPDATE artist SET sortname = ? WHERE id = ?",
                              (artistsort, id))
                    artist.sortname = artistsort

            else:
                c.execute("INSERT INTO artist (name, sortname, "
                          "musicbrainz_artistid) VALUES(?, ?, ?)",
                          (artist_name, artistsort, musicbrainz_artistid))

                artist = Artist(
                    id=c.lastrowid, db=self.db, name=artist_name,
                    sortname=artistsort,
                    musicbrainz_artistid=musicbrainz_artistid
                )

                i += 1

            artists.append(artist)

        album_name = None
        album_date = None
        mb_albumid = None

        album = None
        try:
            album_name = metadata["album"][0]
        except KeyError:
            pass
        try:
            album_date = metadata["date"][0]
        except KeyError:
            pass

        try:
            mb_albumid = metadata["musicbrainz_albumid"][0]
        except KeyError:
            pass

        if mb_albumid:
            rows = c.execute(
                "SELECT * FROM album WHERE musicbrainz_albumid = ?",
                (mb_albumid,)
            )

            row = rows.fetchone()

            if row:
                album = Album(id=row["id"], db=self.db, name=row["name"],
                              date=row["date"],
                              musicbrainz_albumid=row["musicbrainz_albumid"])
            else:
                c.execute("INSERT INTO album (name, `date`, "
                          "musicbrainz_albumid) VALUES (?, ?, ?)",
                          (album_name, album_date, mb_albumid))

                album = Album(id=c.lastrowid, db=self.db, name=album_name,
                              date=album_date, musicbrainz_albumid=mb_albumid)

        elif album_name:
            rows = c.execute(
                "SELECT album.* FROM album INNER JOIN album_artist ON "
                "album_artist.album_id = album.id WHERE album.name = ? "
                "AND artist_id = ?", (album_name, artist.id)
            )
            row = rows.fetchone()

            if row:
                album = Album(id=row["id"], db=self.db, name=row["name"],
                              date=row["date"],
                              musicbrainz_albumid=row["musicbrainz_albumid"])
            else:
                c.execute("INSERT INTO album (name, `date`) VALUES (?, ?)",
                          (album_name, album_date))

                album = Album(id=c.lastrowid, db=self.db, name=album_name,
                              date=album_date)

        if album:
            if album.name != album_name:
                c.execute("UPDATE album SET name = ? WHERE id = ?",
                          (album_name, album.id))
                album.name = album_name

            if album.date != album_date:
                c.execute("UPDATE album SET date = ? WHERE id = ?",
                          (album_date, album.id))
                album.date = album_date

        track_number = None
        track_name = None
        track_grouping = None
        try:
            track_number = metadata["tracknumber"][0]
            setattr(self, "tracknumber", track_number)
        except KeyError:
            pass
        try:
            track_name = metadata["title"][0]
            setattr(self, "name", track_name)
        except KeyError:
            pass
        try:
            track_grouping = metadata["grouping"][0]
            setattr(self, "grouping", track_grouping)
        except KeyError:
            pass

        c.execute("UPDATE track SET tracknumber = ?, name = ?, grouping = ? "
                  "WHERE id = ?", (track_number, track_name, track_grouping,
                                   self.id))

        # If there is an old album, remove it if it no longer has any tracks
        try:
            del self._album
        except Exception:
            pass

        old_album = self.album

        if old_album:
            c.execute("DELETE FROM album_track WHERE track_id = ?", (self.id,))

        if not old_album.tracks:
            old_album.delete()

        # If there are old artists, remove them if they no longer have
        # any tracks
        try:
            del self._artists
        except Exception:
            pass
        old_artists = self.artists

        for old_artist in old_artists:
            c.execute("DELETE FROM artist_track WHERE track_id = ?",
                      (self.id,))

            if not old_artist.tracks:
                old_artist.delete()

        if album:
            try:
                c.execute("INSERT INTO album_track (album_id, track_id) "
                          "VALUES(?, ?)", (album.id, self.id))
            except sqlite3.IntegrityError:
                pass

            setattr(self, "_album", album)

        for artist in artists:
            try:
                c.execute("INSERT INTO artist_track (artist_id, track_id) "
                          "VALUES(?, ?)", (artist.id, self.id))
            except sqlite3.IntegrityError:
                pass

            if album:
                try:
                    c.execute(
                        "INSERT INTO album_artist (artist_id, album_id) "
                        "VALUES(?, ?)", (artist.id, album.id))
                except sqlite3.IntegrityError:
                    pass

        if artists:
            setattr(self, "_artists", artists)

        self.db.commit()
        c.close()

        return True

    def save(self):
        dirty_attributes = {}

        # check if the internal dict has been modified
        for (attr, value) in self.__dict__.items():
            try:
                if self.__data[attr] != getattr(self, attr):
                    dirty_attributes[attr] = value
            except AttributeError:
                pass
            except KeyError:
                pass

        if len(dirty_attributes) > 0:
            set_clause = utils.update_clause_from_dict(dirty_attributes)

            dirty_attributes["id"] = self.id

            sql = " ".join(("UPDATE track", set_clause, "WHERE id = :id"))

            with self.db.conn:
                self.db.execute(sql, dirty_attributes)

    def search(db=None, **search_params):
        """Find a track with the given params

        Args:
            tracknumber: dict, with 'data' and 'operator' keys
            name: dict, with 'data' and 'operator' keys
            grouping: dict, with 'data' and 'operator' keys
            filename: dict, with 'data' and 'operator' keys
        """

        if not db:
            db = DbManager()

        tracks = []

        # unpack search params
        where_params = {}
        value_params = {}
        for (attr, value) in search_params.items():
            where_params[attr] = value["operator"]
            value_params[attr] = value["data"]

        where_clause = utils.make_where_clause(where_params)

        result = None
        if where_clause:
            statement = " ".join(("SELECT * FROM track", where_clause))
            result = db.execute(statement, value_params)
        else:
            result = db.execute("SELECT * FROM track")

        for row in result:
            tracks.append(
                Track(id=row["id"], db=db, tracknumber=row["tracknumber"],
                      name=row["name"], grouping=row["grouping"],
                      filename=row["filename"])
            )

        return tracks

    def find_by_path(path, db=None):
        if not db:
            db = DbManager()
        track = None

        for row in db.execute("SELECT * FROM track WHERE filename = ? "
                              "LIMIT 1", (path,)):
            track = Track(id=row["id"], db=db, tracknumber=row["tracknumber"],
                          name=row["name"], grouping=row["grouping"],
                          filename=row["filename"])

        return track

    def store(filename, metadata, db=None):
        if Track.find_by_path(filename, db=db):
            return True

        if not db:
            db = DbManager()

        c = db.cursor()

        artist_names = metadata["artist"]
        musicbrainz_artist_ids = []
        artistsorts = []
        try:
            musicbrainz_artist_ids = metadata["musicbrainz_artistid"]
        except KeyError:
            pass
        try:
            artistsorts = metadata["artistsort"]
        except KeyError:
            pass

        i = 0
        artists = []

        for artist_name in artist_names:
            musicbrainz_artistid = None
            artistsort = None
            try:
                musicbrainz_artistid = musicbrainz_artist_ids[i]
            except IndexError:
                pass
            try:
                artistsort = artistsorts[i]
            except IndexError:
                pass

            rows = None
            row = None
            if musicbrainz_artistid:
                rows = c.execute("SELECT * FROM artist WHERE "
                                 "musicbrainz_artistid = ?",
                                 (musicbrainz_artistid,))
                row = rows.fetchone()
                if not row:
                    rows = c.execute("SELECT * FROM artist WHERE name = ? "
                                     "AND musicbrainz_artistid IS NULL",
                                     (artist_name,))
                    row = rows.fetchone()

            if not row:
                rows = c.execute("SELECT * FROM artist WHERE name = ?",
                                 (artist_name,))
                row = rows.fetchone()

            if row:
                artist = Artist(id=row["id"], db=db, name=row["name"],
                                sortname=row["sortname"],
                                musicbrainz_artistid=row[
                                    "musicbrainz_artistid"])

                if (musicbrainz_artistid and
                    (not hasattr(artist, "musicbrainz_artistid") or
                     not artist.musicbrainz_artistid)):
                    c.execute("UPDATE artist SET musicbrainz_artistid = ? "
                              "WHERE id = ?",
                              (musicbrainz_artistid, artist.id))

                if (artistsort and
                    (not hasattr(artist, "sortname") or
                     not artist.sortname)):
                    c.execute("UPDATE artist SET sortname = ? WHERE id = ?",
                              (artistsort, artist.id))

            else:
                c.execute("INSERT INTO artist (name, sortname, "
                          "musicbrainz_artistid) VALUES(?, ?, ?)",
                          (artist_name, artistsort, musicbrainz_artistid))

                artist = Artist(
                    id=c.lastrowid, db=db, name=artist_name,
                    sortname=artistsort,
                    musicbrainz_artistid=musicbrainz_artistid
                )

                i += 1

            artists.append(artist)

        album_name = None
        album_date = None
        mb_albumid = None

        album = None
        try:
            album_name = metadata["album"][0]
        except KeyError:
            pass
        try:
            album_date = metadata["date"][0]
        except KeyError:
            pass

        try:
            mb_albumid = metadata["musicbrainz_albumid"][0]
        except KeyError:
            pass

        if mb_albumid:
            rows = c.execute("SELECT * FROM album WHERE "
                             "musicbrainz_albumid = ?", (mb_albumid,))

            row = rows.fetchone()

            if row:
                album = Album(id=row["id"], db=db, name=row["name"],
                              date=row["date"], musicbrainz_albumid=row[
                    "musicbrainz_albumid"])
            else:
                c.execute("INSERT INTO album (name, `date`, "
                          "musicbrainz_albumid) VALUES (?, ?, ?)",
                          (album_name, album_date, mb_albumid))

                album = Album(id=c.lastrowid, db=db, name=album_name,
                              date=album_date, musicbrainz_albumid=mb_albumid)

        elif album_name:
            for artist in artists:
                rows = c.execute("SELECT album.* FROM album INNER JOIN "
                                 "album_artist ON album_artist.album_id = "
                                 "album.id WHERE album.name = ? AND "
                                 "artist_id = ?", (album_name, artist.id))
                row = rows.fetchone()

                if row:
                    album = Album(id=row["id"], db=db, name=row["name"],
                                  date=row["date"])
                else:
                    c.execute("INSERT INTO album (name, `date`) VALUES(?, ?)",
                              (album_name, album_date))

                    album = Album(id=c.lastrowid, db=db, name=album_name,
                                  date=album_date)

        for artist in artists:
            if album:
                try:
                    c.execute("INSERT INTO album_artist (artist_id, album_id) "
                              "VALUES(?, ?)", (artist.id, album.id))
                except sqlite3.IntegrityError:
                    pass

        track_number = None
        track_name = None
        track_grouping = None
        try:
            track_number = metadata["tracknumber"][0]
        except KeyError:
            pass
        try:
            track_name = metadata["title"][0]
        except KeyError:
            pass
        try:
            track_grouping = metadata["grouping"][0]
        except KeyError:
            pass

        track = None
        rows = c.execute("SELECT * FROM track WHERE filename = ?", (filename,))
        row = rows.fetchone()
        if row:
            track = Track(id=row["id"], db=db,
                          tracknumber=row["tracknumber"], name=row["name"],
                          grouping=row["grouping"], filename=row["filename"])
        else:
            c.execute("INSERT INTO track (tracknumber, name, grouping, "
                      "filename) VALUES(?, ?, ?, ?)",
                      (track_number, track_name, track_grouping,
                       filename))

            track = Track(id=c.lastrowid, db=db, tracknumber=track_number,
                          name=track_name, grouping=track_grouping,
                          filename=filename)

        if album:
            try:
                c.execute("INSERT INTO album_track (album_id, track_id) "
                          "VALUES(?,?)", (album.id, track.id))
            except sqlite3.IntegrityError:
                pass

        for artist in artists:
            try:
                c.execute("INSERT INTO artist_track (artist_id, track_id) "
                          "VALUES(?, ?)", (artist.id, track.id))
            except sqlite3.IntegrityError:
                pass

        db.commit()
        c.close()

        return track

    def all(db=None, order="track.id", direction="ASC", limit=None,
            offset=None):
        if not db:
            db = DbManager()

        tracks = []

        select_string = "SELECT * FROM track LEFT JOIN artist_track ON " \
            "artist_track.track_id = track.id LEFT JOIN artist ON " \
            "artist_track.artist_id = artist.id LEFT JOIN album_track ON " \
            "album_track.track_id = track.id LEFT JOIN album ON " \
            "album_track.album_id = album.id ORDER BY %s %s" % (order,
                                                                direction)

        if limit and offset:
            select_string = " ".join((select_string,
                                      "LIMIT %s OFFSET %s" % (limit, offset)))

        result = db.execute(select_string)

        for row in result:
            tracks.append(Track(id=row["id"], db=db,
                                tracknumber=row["tracknumber"],
                                name=row["name"], grouping=row["name"],
                                filename=row["filename"]))

        return tracks