-
Notifications
You must be signed in to change notification settings - Fork 0
/
db.py
309 lines (278 loc) · 9.76 KB
/
db.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
import models
import os
import pymysql
ENV_DB_HOST = "DB_HOST"
ENV_DB_USER = "DB_USER"
ENV_DB_PASS = "DB_PASS"
ENV_DB_NAME = "DB_NAME"
def create_connection():
return pymysql.connect(host=os.getenv(ENV_DB_HOST),
user=os.getenv(ENV_DB_USER),
password=os.getenv(ENV_DB_PASS),
db=os.getenv(ENV_DB_NAME),
charset="utf8mb4",
cursorclass=pymysql.cursors.DictCursor)
def get_user_by_token(token: str):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT id, nickname, first_name, last_name, avatar
FROM users
WHERE firebase_token = '{token}'
"""
cursor.execute(query)
result = cursor.fetchone()
return result
finally:
connection.close()
def create_user(token: str):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
INSERT INTO users (firebase_token) VALUES ('{token}')
"""
cursor.execute(query)
connection.commit()
finally:
connection.close()
return get_user_by_token(token)
def update_user(user: models.User):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
UPDATE users
SET
first_name = '{user.first_name}',
last_name = '{user.last_name}',
nickname = '{user.nickname}',
avatar = '{user.avatar}'
WHERE id = {user.id}
"""
cursor.execute(query)
connection.commit()
finally:
connection.close()
return
def update_avatar(token, path):
user = get_user_by_token(token)
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
UPDATE users
SET
avatar = '{path}'
WHERE id = {user['id']}
"""
cursor.execute(query)
connection.commit()
finally:
connection.close()
return
def get_albums(limit, offset):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
albums.id,
albums.title,
albums.cover,
artists.name AS artistName,
cast(albums.createdAt as unsigned) AS createdAt
FROM albums LEFT JOIN artists ON albums.artistId = artists.id
ORDER BY createdAt DESC
LIMIT {limit}
OFFSET {offset}
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def get_genres(limit, offset):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT id, title, image
FROM genres
LIMIT {limit}
OFFSET {offset}
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def get_tracks_by_album_id(album_id, user_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
tracks.id AS id,
tracks.title AS title,
tracks.link AS link,
tracks.albumId AS albumId,
tracks.position AS position,
albums.cover AS cover,
albums.title AS albumTitle,
artists.name AS artistName,
IF(favorites.userId IS NOT NULL, 'true', 'false') AS isFavorite
FROM tracks
LEFT JOIN albums ON tracks.albumId = albums.id
LEFT JOIN artists ON albums.artistId = artists.id
LEFT JOIN favorites ON favorites.trackId = tracks.id AND favorites.userId = {user_id}
WHERE tracks.albumId = {album_id}
ORDER BY tracks.position
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def get_track(track_id, user_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
tracks.id AS id,
tracks.title AS title,
tracks.link AS link,
tracks.albumId AS albumId,
tracks.position AS position,
albums.cover AS cover,
albums.title AS albumTitle,
artists.name AS artistName,
IF(favorites.userId IS NOT NULL, 'true', 'false') AS isFavorite
FROM tracks
LEFT JOIN albums ON tracks.albumId = albums.id
LEFT JOIN artists ON albums.artistId = artists.id
LEFT JOIN favorites ON favorites.trackId = tracks.id AND favorites.userId = {user_id}
WHERE tracks.id = {track_id}
ORDER BY tracks.position
"""
cursor.execute(query)
result = cursor.fetchone()
return result
finally:
connection.close()
def get_track_infos_by_album_id(album_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
tracks.id AS id,
tracks.position AS 'order'
FROM tracks
WHERE tracks.albumId = {album_id}
ORDER BY tracks.position
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def create_favorite(user_id, track_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
INSERT INTO favorites (userId, trackId)
VALUES ('{user_id}', '{track_id}')
"""
cursor.execute(query)
connection.commit()
finally:
connection.close()
def delete_favorite(user_id, track_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
DELETE FROM favorites
WHERE userId = {user_id} AND trackId = {track_id}
"""
cursor.execute(query)
connection.commit()
finally:
connection.close()
def get_favorite_tracks(user_id, limit, offset):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
tracks.id AS id,
tracks.title AS title,
tracks.link AS link,
tracks.albumId AS albumId,
tracks.position AS position,
albums.cover AS cover,
albums.title AS albumTitle,
artists.name AS artistName,
IF(favorites.userId IS NOT NULL, 'true', 'false') AS isFavorite
FROM tracks
LEFT JOIN albums ON tracks.albumId = albums.id
LEFT JOIN artists ON albums.artistId = artists.id
LEFT JOIN favorites ON favorites.trackId = tracks.id AND favorites.userId = {user_id}
WHERE favorites.userId IS NOT NULL
ORDER BY favorites.createdAt DESC
"""
if limit is not None:
query += f" LIMIT {limit}"
if offset is not None:
query += f" OFFSET {offset}"
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def get_favorite_track_infos(user_id):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = "SET @row_number = 0;"
cursor.execute(query)
query = f"""
SELECT
tracks.id AS id,
@row_number := @row_number + 1 AS 'order'
FROM tracks
LEFT JOIN favorites ON favorites.trackId = tracks.id AND favorites.userId = {user_id}
WHERE favorites.userId IS NOT NULL
ORDER BY favorites.createdAt DESC
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()
def get_search_results(query, limit, offset):
connection = create_connection()
try:
with connection.cursor() as cursor:
query = f"""
SELECT
albums.id,
albums.title,
albums.cover,
artists.name AS artistName,
cast(albums.createdAt as unsigned) AS createdAt
FROM albums LEFT JOIN artists ON albums.artistId = artists.id
WHERE albums.title LIKE '%{query}%'
ORDER BY createdAt DESC
LIMIT {limit}
OFFSET {offset}
"""
cursor.execute(query)
result = cursor.fetchall()
return result
finally:
connection.close()