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51 lines
1.6 KiB
51 lines
1.6 KiB
from datetime import datetime
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from BTrees.IIBTree import IIBTree
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from ZODB import DB
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from ZODB.Connection import Connection
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from ZODB.FileStorage import FileStorage
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from persistent import Persistent
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from persistent.mapping import PersistentMapping
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from transaction import commit
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from telegram import Message, Chat
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def get_conn(read_only=False) -> Connection:
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storage = FileStorage('users.fs', read_only=read_only)
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db = DB(storage)
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conn = db.open()
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if not hasattr(conn.root, 'subscribers'):
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conn.root.subscribers = PersistentMapping()
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# migration 1
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if not hasattr(conn.root, 'counter'):
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conn.root.counter = 0
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for user in conn.root.subscribers.values(): # type: Subscriber
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if not hasattr(user, 'messages_forward') or not isinstance(user.messages_forward, IIBTree):
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user.messages_forward = IIBTree()
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user.messages_reverse = IIBTree()
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# migration 2
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if not hasattr(conn.root, 'last_media'):
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conn.root.last_media = datetime.now()
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# end migrations
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commit()
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return conn
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class Subscriber(Persistent):
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def __init__(self, user_id, name):
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self.uid = user_id
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self.name = name
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self.messages_forward = IIBTree()
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self.messages_reverse = IIBTree()
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def update_from_message(self, m: Message):
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self.name = Subscriber.get_name(m.chat)
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@classmethod
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def get_name(cls, chat: Chat):
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return f'{chat.first_name or ""} {chat.last_name or ""} {chat.title or ""}'.strip()
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@classmethod
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def from_chat(cls, chat: Chat):
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return cls(chat.id, cls.get_name(chat))
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