def main():
set_from_db.get_songs_from_file()
set_from_db.get_users_from_file()
# Users.initiate_users()
# SongsList.initiate_songs()
Users.add_user("eytan", "123")
e = Users.get_user("eytan")
e.change_password("123", "456")
e.add_playlist("lala")
e.add_playlist("lala2")
p = e.get_playlist("lala")
s1 = Song("hamilton", 2010, "rap", "lin manuel miranda")
s2 = Song("hamilton_1", 2010, "rap", "lin manuel miranda")
SongsList.add_song(s1)
SongsList.add_song(s2)
e.add_song_to_playlist("lala", "hamilton")
e.add_song_to_playlist("lala", "hamilton_1")
e.add_song_to_playlist("lala2", "hamilton_1")
set_from_db.write_users_to_file()
set_from_db.write_songs_to_file()
print("h")
def get_songs_from_source(songs):
SongsList.initiate_songs()
for current in songs:
song = Song(current['title'], current['year'], current['genre'],
current['performer'])
song.rating = current['rating']
SongsList.add_song(song)
def write_songs_to_file():
all_songs = []
for s in SongsList.get_all_songs():
song = SongsList.get_song(s)
to_write = {
"title": song.title,
"year": song.year,
"genre": song.genre,
"performer": song.performer,
"rating": song.rating
}
all_songs.append(to_write)
with open(songs_file_path, 'w') as f:
f.write(json.dumps(all_songs, indent=4))
def get_ranked_songs():
rank = int(request.args.get("rank"))
op = request.args.get("op")
valid = valid_parameters(rank=rank, op=op)
if valid != True:
return valid
all_songs = SongsList.get_all_songs_obj()
returned_songs = []
if op == "less":
returned_songs = [
v.title for v in all_songs.values() if v.rating < rank
]
elif op == "eq":
returned_songs = [
v.title for v in all_songs.values() if v.rating == rank
]
elif op == "greater":
returned_songs = [
v.title for v in all_songs.values() if v.rating > rank
]
else:
return {"error": f"no such operation {op}"}
return {"message": "OK", "data": returned_songs}
def downvote_song():
user_name = request.json.get("user_name")
user_password = request.json.get("user_password")
song_title = request.json.get("song_title")
valid = valid_parameters(user_name=user_name,
user_password=user_password,
song_title=song_title)
if valid != True:
return valid
user = Users.get_user(user_name)
if user is None:
return {"error": f"the user {user_name} does not exist"}
if user.password != user.parse_password(user_password):
return {"error": f"either the user name or the password are wrong"}
s = SongsList.get_song(song_title)
if s is None:
return {"error": "no such song in the songs collection"}
s.downvote()
set_from_db.write_songs_to_file()
return {
"message": "OK",
"data": {
"song_title": song_title,
"rating": s.rating
}
}
def add_song(self, song_title):
if song_title in self.get_songs():
return None
song = SongsList.get_song(song_title)
if song is None:
return None
else:
self.songs.append(song)
return song_title
def add_song():
song_title = request.json.get("song_title")
song_genre = request.json.get("song_genre")
song_year = request.json.get("song_year")
song_performer = request.json.get("song_performer")
valid = valid_parameters(song_title=song_title,
song_genre=song_genre,
song_year=song_year,
song_performer=song_performer)
if valid != True:
return valid
s = Song(song_title, song_year, song_genre, song_performer)
add_song = SongsList.add_song(s)
if add_song is None:
return {"error": "this song already exist in the collection"}
set_from_db.write_songs_to_file()
return {"message": "OK", "data": song_title}