Files
Arcaea-server/latest version/core/rank.py
Lost-MSth 6fcca17918 Code refactoring
- Code refactoring
- Fix a bug that the other player will not become the host of the room at once, when the player disconnect in link play.

> Maybe add many unknown bugs. XD
> The song database `arcsong.db` will not used in the future. You can use a tool in `tool` folder to import old data.
2022-07-04 18:36:30 +08:00

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from .user import UserInfo
from .song import Chart
from .score import UserScore
from .constant import Constant
class RankList:
'''
排行榜类\
默认limit=20limit<0认为是all\
property: `user` - `User`类或者子类的实例
'''
def __init__(self, c=None) -> None:
self.c = c
self.list: list = []
self.song = Chart()
self.limit: int = 20
self.user = None
@property
def to_dict_list(self) -> list:
return [x.to_dict for x in self.list]
def select_top(self) -> None:
'''
得到top分数表
'''
if self.limit >= 0:
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit})
else:
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty})
x = self.c.fetchall()
if not x:
return None
rank = 0
self.list = []
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)
def select_friend(self, user=None, limit=Constant.MAX_FRIEND_COUNT) -> None:
'''
得到用户好友分数表
'''
self.limit = limit
if user:
self.user = user
self.c.execute('''select user_id from best_score where user_id in (select :user_id union select user_id_other from friend where user_id_me = :user_id) and song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit''', {
'user_id': self.user.user_id, 'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit})
x = self.c.fetchall()
if not x:
return None
rank = 0
self.list = []
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)
def select_me(self, user=None) -> None:
'''
得到我的排名分数表\
尚不清楚这个函数有没有问题
'''
if user:
self.user = user
self.c.execute('''select score, time_played from best_score where user_id = :user_id and song_id = :song_id and difficulty = :difficulty''', {
'user_id': self.user.user_id, 'song_id': self.song.song_id, 'difficulty': self.song.difficulty})
x = self.c.fetchone()
if not x:
return None
self.c.execute('''select count(*) from best_score where song_id = :song_id and difficulty = :difficulty and ( score > :score or (score = :score and time_played > :time_played) )''', {
'user_id': self.user.user_id, 'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'score': x[0], 'time_played': x[1]})
x = self.c.fetchone()
myrank = int(x[0]) + 1
self.c.execute('''select count(*) from best_score where song_id=:a and difficulty=:b''',
{'a': self.song.song_id, 'b': self.song.difficulty})
amount = int(self.c.fetchone()[0])
if myrank <= 4: # 排名在前4
self.select_top()
elif myrank >= 5 and myrank <= 9999 - self.limit + 4 and amount >= 10000: # 万名内前面有4个人
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit, 'offset': myrank - 5})
x = self.c.fetchall()
if x:
rank = myrank - 5
self.list = []
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)
elif myrank >= 10000: # 万名外
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit - 1, 'offset': 9999-self.limit})
x = self.c.fetchall()
if x:
rank = 9999 - self.limit
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)
y = UserScore(self.c, UserInfo(self.c, self.user.user_id))
y.song = self.song
y.rank = -1
self.list.append(y)
elif amount - myrank < self.limit - 5: # 后方人数不足
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit, 'offset': amount - self.limit})
x = self.c.fetchall()
if x:
rank = amount - self.limit
if rank < 0:
rank = 0
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)
else:
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit, 'offset': 9998-self.limit})
x = self.c.fetchall()
if x:
rank = 9998 - self.limit
for i in x:
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y.song = self.song
y.select_score()
y.rank = rank
self.list.append(y)