vk_chat_bot/database.py
2026-06-14 22:15:34 +03:00

257 lines
12 KiB
Python

from datetime import datetime
from typing import Dict, List, Optional, Any, Type
from mariadb import create_pool
class BasicDatabase:
def __init__(self, hostname: str, user: str, password: str, dbname: str):
self.hostname = hostname
self.user = user
self.password = password
self.dbname = dbname
self.pool = create_pool(host=hostname, user=user, password=password, database=dbname,
autocommit=True, dictionary=True, min_size=1, max_size=5)
def get_bots(self) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM bots")
return cursor.fetchall()
def get_bot(self, bot_id: int) -> Optional[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM bots WHERE id = ?", (bot_id,))
return cursor.fetchone()
def get_chats(self, bot_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM chats WHERE bot_id = ?", (bot_id,))
return cursor.fetchall()
def get_chat(self, bot_id: int, chat_id: int) -> Optional[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM chats WHERE bot_id = ? AND chat_id = ?", (bot_id, chat_id))
return cursor.fetchone()
def add_chat(self, bot_id: int, chat_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("INSERT INTO chats (bot_id, chat_id) VALUES (?, ?)", (bot_id, chat_id))
def chat_update(self, bot_id: int, chat_id: int, **kwargs):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("UPDATE chats SET " + ", ".join(f + " = ?" for f in kwargs) +
" WHERE bot_id = ? AND chat_id = ?", list(kwargs.values()) + [bot_id, chat_id])
def chat_delete(self, bot_id: int, chat_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("DELETE FROM chats WHERE bot_id = ? AND chat_id = ?", (bot_id, chat_id))
def get_user(self, bot_id: int, chat_id: int, user_id: int) -> Optional[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM users WHERE bot_id = ? AND chat_id = ? AND user_id = ?",
(bot_id, chat_id, user_id))
return cursor.fetchone()
def get_users(self, bot_id: int, chat_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT * FROM users WHERE bot_id = ? AND chat_id = ?", (bot_id, chat_id))
return cursor.fetchall()
def add_user(self, bot_id: int, chat_id: int, user_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("INSERT INTO users (bot_id, chat_id, user_id) VALUES (?, ?, ?)",
(bot_id, chat_id, user_id))
def user_set_last_message(self, bot_id: int, chat_id: int, user_id: int, last_message: int):
self.user_update(bot_id, chat_id, user_id, last_message=last_message)
def user_increment_messages(self, bot_id: int, chat_id: int, user_id: int):
self.user_increment(bot_id, chat_id, user_id, ['messages_today', 'messages_month'])
def user_increment_warnings(self, bot_id: int, chat_id: int, user_id: int):
self.user_increment(bot_id, chat_id, user_id, ['warnings'])
def user_increment(self, bot_id: int, chat_id: int, user_id: int, fields: List[str]):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("UPDATE users SET " + ", ".join(f + " = " + f + " + 1" for f in fields) +
" WHERE bot_id = ? AND chat_id = ? AND user_id = ?", (bot_id, chat_id, user_id))
def user_update(self, bot_id: int, chat_id: int, user_id: int, **kwargs):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("UPDATE users SET " + ", ".join(f + " = ?" for f in kwargs) +
" WHERE bot_id = ? AND chat_id = ? AND user_id = ?",
list(kwargs.values()) + [bot_id, chat_id, user_id])
def delete_user(self, bot_id: int, chat_id: int, user_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("DELETE FROM users WHERE bot_id = ? AND chat_id = ? AND user_id = ?",
(bot_id, chat_id, user_id))
def get_top_messages_today(self, bot_id: int, chat_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("""
SELECT user_id, messages_today AS value FROM users
WHERE bot_id = ? AND chat_id = ? AND messages_today > 0
ORDER BY messages_today DESC
""", (bot_id, chat_id))
return cursor.fetchall()
def get_top_messages_month(self, bot_id: int, chat_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("""
SELECT user_id, messages_month AS value FROM users
WHERE bot_id = ? AND chat_id = ? AND messages_month > 0
ORDER BY messages_month DESC
""", (bot_id, chat_id))
return cursor.fetchall()
def get_top_silent(self, bot_id: int, chat_id: int, threshold_days: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
current_time = int(datetime.now().timestamp())
threshold = current_time - threshold_days * 86400
cursor.execute("""
SELECT user_id, (? - last_message) DIV 86400 as value
FROM users
WHERE bot_id = ? AND chat_id = ? AND last_message <= ?
ORDER BY last_message ASC
""", (current_time, bot_id, chat_id, threshold))
result = cursor.fetchall()
for row in result:
if row['value'] > 3650:
row['value'] = 'никогда'
return result
def get_top_warnings(self, bot_id: int, chat_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("""
SELECT user_id, warnings AS value FROM users
WHERE bot_id = ? AND chat_id = ? AND warnings > 0
ORDER BY warnings DESC
""", (bot_id, chat_id))
return cursor.fetchall()
def reset_messages_today(self, bot_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("UPDATE users SET messages_today = 0 WHERE bot_id = ?", (bot_id,))
def reset_messages_month(self, bot_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("UPDATE users SET messages_month = 0 WHERE bot_id = ?", (bot_id,))
def context_get_messages(self, bot_id: int, chat_id: int) -> List[Dict[str, Any]]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("""
SELECT role, text, image FROM contexts
WHERE bot_id = ? AND chat_id = ?
ORDER BY id
""", (bot_id, chat_id))
return cursor.fetchall()
def context_get_count(self, bot_id: int, chat_id: int) -> int:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("SELECT COUNT(*) FROM contexts WHERE bot_id = ? AND chat_id = ?", (bot_id, chat_id))
return _to_val(int, cursor.fetchone())
def context_get_last_assistant_message_id(self, bot_id: int, chat_id: int) -> Optional[int]:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("""
SELECT message_id FROM contexts
WHERE bot_id = ? AND chat_id = ? AND role = 'assistant'
ORDER BY id DESC
LIMIT 1
""", (bot_id, chat_id))
return _to_val(int, cursor.fetchone())
def context_add_message(self, bot_id: int, chat_id: int, role: str,
text: Optional[str], image: Optional[bytes],
message_id: Optional[int], max_messages: int):
assert (text or image)
self._context_trim(bot_id, chat_id, max_messages)
# Подготовка данных для вставки
data = {
"bot_id": bot_id, "chat_id": chat_id,
"message_id": message_id, "role": role,
"text": text, "image": image
}
# Формирование SQL-запроса и параметров вставки
columns = [k for k, v in data.items() if v is not None]
placeholders = ', '.join(['?' for _ in columns])
values = tuple(data[k] for k in columns)
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
query = f"INSERT INTO contexts ({', '.join(columns)}) VALUES ({placeholders})"
cursor.execute(query, values)
def context_set_last_message_id(self, bot_id: int, chat_id: int, message_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute(
"UPDATE contexts SET message_id = ? WHERE bot_id = ? AND chat_id = ? AND message_id IS NULL",
(message_id, bot_id, chat_id))
def _context_trim(self, bot_id: int, chat_id: int, max_messages: int):
current_count = self.context_get_count(bot_id, chat_id)
while current_count >= max_messages:
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute(
"SELECT id FROM contexts WHERE bot_id = ? AND chat_id = ? ORDER BY id LIMIT 1",
(bot_id, chat_id))
oldest_message_id = _to_val(int, cursor.fetchone())
if oldest_message_id:
cursor.execute("DELETE FROM contexts WHERE id = ?", oldest_message_id)
current_count -= 1
else:
break
def context_clear(self, bot_id: int, chat_id: int):
with self.pool.acquire() as conn:
with conn.cursor() as cursor:
cursor.execute("DELETE FROM contexts WHERE bot_id = ? AND chat_id = ?", (bot_id, chat_id))
def create_chat_if_not_exists(self, bot_id: int, chat_id: int) -> Dict[str, Any]:
chat = self.get_chat(bot_id, chat_id)
if chat is None:
self.add_chat(bot_id, chat_id)
chat = self.get_chat(bot_id, chat_id)
assert (chat is not None)
return chat
def create_user_if_not_exists(self, bot_id: int, chat_id: int, user_id: int) -> Dict[str, Any]:
user = self.get_user(bot_id, chat_id, user_id)
if user is None:
self.add_user(bot_id, chat_id, user_id)
user = self.get_user(bot_id, chat_id, user_id)
assert (user is not None)
return user
def _to_val[T](_: Type[T], arg: Any) -> T:
return next(iter(arg.values())) if arg is not None else None