-
Notifications
You must be signed in to change notification settings - Fork 0
/
common.py
411 lines (360 loc) · 12.8 KB
/
common.py
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
import spotipy
from typing import List, Dict, Tuple, Set
import models
from db import Session_Factory
from threading import Thread
from time import time
from sqlalchemy import cast, desc, asc, Float
# Global Variables
scopes_list = [
"user-read-playback-state",
"user-read-email",
"playlist-read-collaborative",
"user-top-read",
"user-read-currently-playing",
"playlist-read-private",
"playlist-modify-private",
"user-library-read",
"user-library-modify",
"user-read-recently-played",
]
max_plays = 3
max_users = 100
update_interval = 1209600 # Number of seconds to wait (2 wks)
class UserThread:
def __init__(self, thread: Thread, token_info: Dict):
self.thread = thread
self.token_info = token_info
# self.sp: spotipy.Spotify = gen_spotify(self.token_info)
def is_alive(self) -> bool:
return self.thread.is_alive()
def update_token(self, new_token: Dict) -> None:
self.token_info = new_token
# self.sp.set_auth(self.token_info["access_token"])
def get_token(auth_manager: spotipy.oauth2.SpotifyOAuth, refresh_token: str) -> dict:
token = auth_manager.refresh_access_token(refresh_token)
return token
def check_refresh(
auth_manager: spotipy.oauth2.SpotifyOAuth, token: dict
) -> Tuple[Dict, bool]:
assert token["access_token"]
if auth_manager.is_token_expired(token):
return get_token(auth_manager, token["refresh_token"]), True
else:
return token, False
def gen_spotify(token_info: dict) -> spotipy.Spotify:
auth_manager = spotipy.oauth2.SpotifyOAuth(
scope=" ".join(scopes_list), cache_path=".tokens"
)
token_info, mod = check_refresh(auth_manager, token_info)
spotify = spotipy.Spotify(auth=token_info["access_token"])
return spotify
def parse_uri(uri: str) -> str:
ind = uri.find("playlist")
assert ind != -1
return uri[ind:].split(":")[-1]
def resolve_playlist(
spotify: spotipy.Spotify,
username: str,
title: str,
description: str,
create: bool = False,
collab: bool = False,
) -> Dict[str, Dict]:
existing_playlists = spotify.user_playlists(username)
playlists_list: list = existing_playlists["items"]
ret: Dict[str, Dict] = dict()
while playlists_list:
playlist = playlists_list.pop()
if playlist["description"] == description and (
not collab or (collab and playlist.get("collaborative", False))
):
ret[playlist["id"]] = playlist
if len(playlists_list) == 0 and existing_playlists["next"]:
existing_playlists = spotify.next(existing_playlists)
playlists_list = existing_playlists["items"]
else:
playlist = None
if not ret and create:
playlist = spotify.user_playlist_create(
username, title, public=False, description=description
)
ret[playlist["id"]] = playlist
return ret
def update_playlists(
session,
userdata: models.User,
add: Dict[str, Dict],
existing: List[models.Playlist],
candidate: bool,
retstring: str = "",
) -> Tuple[models.User, str]:
checkset = set(add.keys())
for playlist in existing:
if playlist.playlist_id in checkset:
del add[playlist.playlist_id]
else:
is_owner = playlist.owner == userdata.username
if is_owner:
session.delete(playlist)
del userdata.playlists[playlist.playlist_id]
for playlist in add.values():
is_owner = playlist["owner"]["id"] == userdata.username
if is_owner:
userdata.playlists[playlist["id"]] = models.Playlist(
playlist_id=playlist["id"],
owner=playlist["owner"]["id"],
candidate=candidate,
)
else:
existing_playlists = (
session.query(models.Playlist)
.filter_by(playlist_id=playlist["id"])
.first()
)
if existing_playlists:
userdata.playlists[playlist["id"]] = existing_playlists
if candidate: # Only one candidate playlist allowed
break
return userdata, retstring + f"<h2>Stored Playlists Updated</h2><br>"
def gen_user(
session, token_info: Dict
) -> str: # caller is responsible for closing session
spotify = gen_spotify(token_info)
refresh_token = token_info["refresh_token"]
user = spotify.me()
username = user["id"]
email = user["email"]
userdata: models.User = session.query(models.User).filter_by(
username=user["id"]
).first()
candidates = resolve_playlist(
spotify,
username,
"Spotifylter Playlist",
"Spotifylter Auto-Curate",
create=True,
)
collabs = resolve_playlist(
spotify, username, "Spotifylter Collab", "Spotifylter Auto-Collab", collab=True
)
if userdata:
retstring = ""
if userdata.refresh_token != refresh_token:
userdata.refresh_token = refresh_token
retstring += (
f'<h2>{user["display_name"]}\'s access token has been updated</h2><br>'
)
db_curates: List[models.Playlist] = [
pl for pl in userdata.playlists.values() if pl.candidate == True
]
db_collabs: List[models.Playlist] = [
pl for pl in userdata.playlists.values() if pl.candidate == False
]
userdata, retstring = update_playlists(
session, userdata, candidates, db_curates, True, retstring
)
userdata, retstring = update_playlists(
session, userdata, collabs, db_collabs, False, retstring
)
if retstring == "":
return f'<h2>{user["display_name"]} has already been registered</h2>'
else:
session.add(userdata)
session.commit()
return retstring
current_users = session.query(models.User).count()
if current_users < max_users:
retstring = ""
new_user = models.User(
username=username, email=email, refresh_token=refresh_token, last_updated=0,
)
session.add(new_user)
session.commit()
new_user, retstring = update_playlists(
session, new_user, candidates, [], True, retstring
)
new_user, retstring = update_playlists(
session, new_user, collabs, [], False, retstring
)
session.add(new_user)
session.commit()
return retstring + f'<h2>{user["display_name"]} has been created</h2>'
else:
return f"<h2>The user limit: {current_users}/{max_users} has been reached. Account creation failed</h2>"
def delete_user(
session, token_info
) -> bool: # caller is responsible for closing session
spotify = gen_spotify(token_info)
user = spotify.me()
username = user["id"]
res = session.query(models.User).filter_by(username=username).delete()
session.commit()
return res
def update_song(username: str, song: dict, candidate: bool) -> bool:
song_id = song["item"]["id"]
progress = song["progress_ms"] / 1000
duration = song["item"]["duration_ms"] / 1000
s = Session_Factory()
counts: models.Count = s.query(models.Count).filter_by(
username=username, song=song_id, candidate=candidate
).first()
if counts:
counts.song_avg = update_avg(counts.song_count, progress, counts.song_avg)
counts.song_count += 1
else:
counts = models.Count(
username=username,
song=song_id,
candidate=candidate,
song_count=1,
song_avg=progress,
song_duration=duration,
filtered=False,
)
s.add(counts)
ret = counts.song_count >= max_plays
s.commit()
s.close()
return ret
def filter_out(
username: str, sp: spotipy.Spotify, playlist_id: str, song: dict, preserve: bool
):
song_id = song["item"]["id"]
sp.user_playlist_remove_all_occurrences_of_tracks(username, playlist_id, [song_id])
s = Session_Factory()
count_row: models.Count = s.query(models.Count).filter_by(
username=username, song=song_id, candidate=True
).first()
if count_row:
if preserve: # merge
s.delete(count_row)
new_data: models.Count = s.query(models.Count).filter_by(
username=username, song=song_id, candidate=False
).first()
if new_data:
prev_count = new_data.song_count
new_data.song_count += count_row.song_count
new_data.song_avg = (
(prev_count * new_data.song_avg)
+ (count_row.song_count * count_row.song_avg)
) / new_data.song_count
s.add(new_data)
else:
count_row.candidate = False
s.add(count_row)
else:
count_row.filtered = True
s.add(count_row)
s.commit()
s.close()
def update_avg(prev_count: int, progress: float, avg_progress: float) -> float:
return (avg_progress * prev_count + progress) / (prev_count + 1)
def get_song_ids(sp: spotipy.Spotify, playlist_id: str) -> List[str]:
playlist = sp.playlist_tracks(playlist_id, fields="items(track(id)), next")
ret = []
cond = True
while cond:
items = playlist["items"]
ret.extend([item["track"]["id"] for item in items])
cond = playlist.get("next", None)
if cond:
playlist = sp.next(playlist)
return ret
def get_recently_played(sp: spotipy.Spotify) -> List[str]:
recently_played = sp.current_user_recently_played()
songs_set: Set[str] = set()
songs_set.update([item["track"]["id"] for item in recently_played["items"]])
return list(songs_set)
# caller is responsible for closing session
def populate_user(
sp: spotipy.Spotify, s, user: models.User, song_ids: List[str]
) -> int:
candidate: models.Playlist = s.query(models.Playlist).filter_by(
owner=user.username, candidate=True
).first()
pre_ids = set(get_song_ids(sp, candidate.playlist_id))
in_saveds = sp.current_user_saved_tracks_contains(song_ids)
res: List[str] = [
song_ids[i]
for i, in_saved in enumerate(in_saveds)
if not in_saved and song_ids[i] not in pre_ids
]
if res:
sp.user_playlist_add_tracks(user.username, candidate.playlist_id, res)
user.last_updated = int(time())
s.add(user)
s.commit()
return len(res)
def check_user(sp: spotipy.Spotify, session, user: models.User):
if user.last_updated == 0:
populate_user(
sp, session, user, get_recently_played(sp)
) # initial populate since we don't have any data
elif time() - user.last_updated > update_interval:
pass
def get_filtered(s, token_info) -> List[models.Count]:
spotify = gen_spotify(token_info)
user = spotify.me()
username = user["id"]
songs: List[models.Count] = (
s.query(models.Count)
.filter_by(username=username, candidate=True, filtered=True)
.order_by(
asc(
cast(models.Count.song_count, Float)
* (models.Count.song_avg / models.Count.song_duration)
)
)
.all()
)
return songs
def remove_song(s, token_info, song_id) -> int:
spotify = gen_spotify(token_info)
user = spotify.me()
username = user["id"]
res: int = s.query(models.Count).filter_by(
username=username, candidate=True, song=song_id
).delete()
s.commit()
return res
def readd_song(s, token_info, song_id):
spotify = gen_spotify(token_info)
user = spotify.me()
username = user["id"]
song: models.Count = s.query(models.Count).filter_by(
username=username, candidate=True, song=song_id
).first()
song.filtered = False
playlist: models.Playlist = s.query(models.Playlist).filter_by(
owner=username, candidate=True
).first()
spotify.user_playlist_add_tracks(username, playlist.playlist_id, [song_id])
s.add(song)
s.commit()
def get_top_songs(s, token_info, num_songs) -> Tuple[List[models.Count], List[bool]]:
spotify = gen_spotify(token_info)
user = spotify.me()
username = user["id"]
top_songs: List[models.Count] = (
s.query(models.Count)
.filter_by(username=username)
.order_by(
desc(
cast(models.Count.song_count, Float)
* (models.Count.song_avg / models.Count.song_duration)
)
)
.limit(num_songs)
.all()
)
song_ids = [song.song for song in top_songs]
in_saveds = []
for i in range(-(-num_songs // 50)):
in_saveds.extend(
spotify.current_user_saved_tracks_contains(song_ids[50 * i : 50 * (i + 1)])
)
return top_songs, in_saveds
def add_saved(token_info, song_id):
spotify = gen_spotify(token_info)
spotify.current_user_saved_tracks_add([song_id])