feat: features for bad internet connections

security.py

@@ -9,6 +9,7 @@ from db import engine, User
 from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
 from pydantic_settings import BaseSettings, SettingsConfigDict
 from passlib.context import CryptContext
+from sqlalchemy.exc import OperationalError
 
 
 class Config(BaseSettings):
@@ -47,10 +48,13 @@ def get_password_hash(password):
 
 def get_user(username: str | None):
     if username:
-        with Session(engine) as session:
-            return session.exec(
-                select(User).where(User.username == username)
-            ).one_or_none()
+        try:
+            with Session(engine) as session:
+                return session.exec(
+                    select(User).where(User.username == username)
+                ).one_or_none()
+        except OperationalError:
+            return
 
 
 def authenticate_user(username: str, password: str):