193 lines
7.9 KiB
Python
193 lines
7.9 KiB
Python
from datetime import datetime
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from typing import List, Optional, Union
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from pyodbc import connect, SQL_CHAR, SQL_WCHAR, Row
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class BasicDatabase:
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def __init__(self, connection_string: str):
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self.conn = connect(connection_string, autocommit=True)
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self.conn.setdecoding(SQL_CHAR, encoding='utf-8')
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self.conn.setdecoding(SQL_WCHAR, encoding='utf-8')
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self.conn.setencoding(encoding='utf-8')
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self.cursor = self.conn.cursor()
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def get_chats(self):
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self.cursor.execute("SELECT * FROM chats")
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return self._to_dict(self.cursor.fetchall())
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def get_chat(self, chat_id: int):
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self.cursor.execute("SELECT * FROM chats WHERE id = ?", chat_id)
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return self._to_dict(self.cursor.fetchone())
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def add_chat(self, chat_id: int):
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self.cursor.execute("INSERT INTO chats (id) VALUES (?)", chat_id)
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def chat_update(self, chat_id: int, **kwargs):
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self.cursor.execute("UPDATE chats SET " + ", ".join(f + " = ?" for f in kwargs) +
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" WHERE id = ?", list(kwargs.values()) + [chat_id])
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def chat_delete(self, chat_id: int):
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self.cursor.execute("DELETE FROM chats WHERE id = ?", chat_id)
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def get_user(self, chat_id: int, user_id: int):
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self.cursor.execute("SELECT * FROM users WHERE chat_id = ? AND user_id = ?", chat_id, user_id)
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return self._to_dict(self.cursor.fetchone())
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def get_users(self, chat_id: int):
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self.cursor.execute("SELECT * FROM users WHERE chat_id = ?", chat_id)
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return self._to_dict(self.cursor.fetchall())
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def add_user(self, chat_id: int, user_id: int):
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self.cursor.execute("INSERT INTO users (chat_id, user_id) VALUES (?, ?)", chat_id, user_id)
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def user_set_last_message(self, chat_id: int, user_id: int, last_message: int):
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self.user_update(chat_id, user_id, last_message=last_message)
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def user_increment_messages(self, chat_id: int, user_id: int):
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self.user_increment(chat_id, user_id, ['messages_today', 'messages_month'])
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def user_increment_warnings(self, chat_id: int, user_id: int):
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self.user_increment(chat_id, user_id, ['warnings'])
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def user_increment(self, chat_id: int, user_id: int, fields: List[str]):
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self.cursor.execute("UPDATE users SET " + ", ".join(f + " = " + f + " + 1" for f in fields) +
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" WHERE chat_id = ? AND user_id = ?", chat_id, user_id)
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def user_update(self, chat_id: int, user_id: int, **kwargs):
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self.cursor.execute("UPDATE users SET " + ", ".join(f + " = ?" for f in kwargs) +
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" WHERE chat_id = ? AND user_id = ?", list(kwargs.values()) + [chat_id, user_id])
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def delete_user(self, chat_id: int, user_id: int):
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self.cursor.execute("DELETE FROM users WHERE chat_id = ? AND user_id = ?", chat_id, user_id)
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def get_top_messages_today(self, chat_id: int):
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self.cursor.execute("""
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SELECT user_id, messages_today AS value FROM users
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WHERE chat_id = ? AND messages_today > 0
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ORDER BY messages_today DESC
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""", chat_id)
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return self._to_dict(self.cursor.fetchall())
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def get_top_messages_month(self, chat_id: int):
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self.cursor.execute("""
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SELECT user_id, messages_month AS value FROM users
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WHERE chat_id = ? AND messages_month > 0
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ORDER BY messages_month DESC
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""", chat_id)
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return self._to_dict(self.cursor.fetchall())
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def get_top_silent(self, chat_id: int, threshold_days: int):
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current_time = int(datetime.now().timestamp())
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threshold = current_time - threshold_days * 86400
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self.cursor.execute("""
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SELECT user_id, (? - last_message) DIV 86400 as value
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FROM users
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WHERE chat_id = ? AND last_message <= ?
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ORDER BY last_message ASC
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""", current_time, chat_id, threshold)
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result = self._to_dict(self.cursor.fetchall())
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for row in result:
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if row['value'] > 3650:
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row['value'] = 'никогда'
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return result
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def get_top_warnings(self, chat_id: int):
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self.cursor.execute("""
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SELECT user_id, warnings AS value FROM users
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WHERE chat_id = ? AND warnings > 0
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ORDER BY warnings DESC
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""", chat_id)
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return self._to_dict(self.cursor.fetchall())
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def reset_messages_today(self):
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self.cursor.execute("UPDATE users SET messages_today = 0")
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def reset_messages_month(self):
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self.cursor.execute("UPDATE users SET messages_month = 0")
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def context_get_messages(self, chat_id: int) -> list[dict]:
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self.cursor.execute("""
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SELECT role, content FROM contexts
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WHERE chat_id = ? AND message_id IS NOT NULL
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ORDER BY message_id
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""", chat_id)
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return self._to_dict(self.cursor.fetchall())
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def context_get_count(self, chat_id: int) -> int:
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self.cursor.execute("SELECT COUNT(*) FROM contexts WHERE chat_id = ?", chat_id)
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return self.cursor.fetchval()
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def context_add_message(self, chat_id: int, role: str, content: str, message_id: Optional[int], max_messages: int):
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self._context_trim(chat_id, max_messages)
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if message_id is not None:
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self.cursor.execute("""
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INSERT INTO contexts (chat_id, message_id, role, content)
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VALUES (?, ?, ?, ?)
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""", chat_id, message_id, role, content)
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else:
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self.cursor.execute("""
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INSERT INTO contexts (chat_id, role, content)
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VALUES (?, ?, ?)
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""", chat_id, role, content)
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def context_set_last_message_id(self, chat_id: int, message_id: int):
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self.cursor.execute("""
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UPDATE contexts SET message_id = ?
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WHERE chat_id = ? AND message_id IS NULL
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""", message_id, chat_id)
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def _context_trim(self, chat_id: int, max_messages: int):
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current_count = self.context_get_count(chat_id)
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while current_count >= max_messages:
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oldest_message_id = self.cursor.execute("""
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SELECT message_id FROM contexts
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WHERE chat_id = ? AND message_id IS NOT NULL
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ORDER BY message_id ASC
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LIMIT 1
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""", chat_id).fetchval()
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if oldest_message_id:
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self.cursor.execute("DELETE FROM contexts WHERE chat_id = ? AND message_id = ?",
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chat_id, oldest_message_id)
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current_count -= 1
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else:
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break
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def context_clear(self, chat_id: int):
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self.cursor.execute("DELETE FROM contexts WHERE chat_id = ?", chat_id)
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def create_chat_if_not_exists(self, chat_id: int):
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chat = self.get_chat(chat_id)
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if chat is None:
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self.add_chat(chat_id)
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chat = self.get_chat(chat_id)
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return chat
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def create_user_if_not_exists(self, chat_id: int, user_id: int):
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user = self.get_user(chat_id, user_id)
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if user is None:
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self.add_user(chat_id, user_id)
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user = self.get_user(chat_id, user_id)
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return user
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def _to_dict(self, args: Union[Row, List[Row], None]):
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columns = [column[0] for column in self.cursor.description]
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if args is None:
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return None
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elif isinstance(args, Row):
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result = {}
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for i, column in enumerate(columns):
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result[column] = args[i]
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return result
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elif isinstance(args, list) and all(isinstance(item, Row) for item in args):
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results: list[dict] = []
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for row in args:
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row_dict = {}
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for i, column in enumerate(columns):
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row_dict[column] = row[i]
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results.append(row_dict)
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return results
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else:
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raise TypeError("unexpected type")
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