Рефакторинг структуры проекта: перемещение функций и логики работы с базой данных в новый файл helpers_bff.py. Обновлены импорты в fill_db.py и main.py для использования новых функций. Удалены устаревшие функции и классы из main.py, улучшена организация кода.

helpers_bff.py

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+from sqlmodel import Session, select, create_engine
+from passlib.context import CryptContext
+from typing import Optional
+from datetime import datetime, timedelta
+from bff_models import Token, TransactionStatus
+from sql_models import Company, TgAgent, Account, AgentBalance, AgentTransaction, PartnerTransaction, Sale, Ref
+from hashlib import sha256
+import jwt
+from jwt.exceptions import InvalidTokenError
+from fastapi import HTTPException, status, Depends, Request
+from fastapi.security import OAuth2PasswordBearer
+
+# Конфигурация
+AUTH_DATABASE_ADDRESS = "sqlite:///partner.db"
+AUTH_DB_ENGINE = create_engine(AUTH_DATABASE_ADDRESS, echo=True)
+
+SECRET_KEY = "supersecretkey"
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/token")
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+def get_tg_agent_by_tg_id(db: Session, tg_id: int) -> Optional[TgAgent]:
+    statement = select(TgAgent).where(TgAgent.tg_id == tg_id)
+    return db.exec(statement).first()
+
+def get_db():
+    with Session(AUTH_DB_ENGINE) as session:
+        yield session
+
+def get_current_account(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        login: str = payload.get("sub")
+        if login is None:
+            raise credentials_exception
+    except InvalidTokenError:
+        raise credentials_exception
+    account = get_account_by_login(db, login)
+    if account is None:
+        raise credentials_exception
+    return account
+
+async def get_current_tg_agent(request: Request, db: Session = Depends(get_db)):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    auth_header = request.headers.get("Authorization")
+    if not auth_header or not auth_header.startswith("Bearer "):
+        raise credentials_exception
+    hash_value = auth_header.replace("Bearer ", "").strip()
+    tg_agent = db.exec(select(TgAgent).where(TgAgent.hash == hash_value)).first()
+    if tg_agent is None:
+        raise credentials_exception
+    return tg_agent
+
+def authenticate_tg_agent(engine, tg_id: int):
+    with Session(engine) as db:
+        tg_agent = get_tg_agent_by_tg_id(db, tg_id)
+        if not tg_agent:
+            return None
+        return tg_agent
+
+def create_access_token(data: dict, expires_delta: timedelta = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+def verify_password(plain_password, hashed_password):
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password):
+    return pwd_context.hash(password)
+
+def get_account_by_login(db: Session, login: str) -> Optional[Account]:
+    statement = select(Account).where(Account.login == login)
+    return db.exec(statement).first()