Добавил эндпоинты для проверки наличия ника и почты в бд

app/users/router.py

@@ -4,7 +4,7 @@ from fastapi.responses import RedirectResponse
 from app.config import settings
 from app.exceptions import UsernameAlreadyInUseException, \
     IncorrectPasswordException, PasswordsMismatchException, WrongCodeException, UserNotFoundException, \
-    SomethingWentWrongException
+    SomethingWentWrongException, UserAlreadyExistsException
 from app.users.auth import get_password_hash, authenticate_user_by_email, \
     create_access_token, verify_password, VERIFICATED_USER, authenticate_user, \
     check_existing_user, check_verificated_user_with_exc
@@ -13,7 +13,7 @@ from app.users.dependencies import get_current_user
 from app.users.models import Users
 from app.users.schemas import SUserLogin, SUserRegister, SUser, SUserPassword, SUserRename, SUserAvatar, \
     SUserPasswordRecover, SUserCode, SUserPasswordChange, SRecoverEmailSent, SUserToken, SEmailVerification, SUserName, \
-    SNewAvatar, SConfirmPasswordRecovery, SPasswordRecovered, SUserAvatars
+    SNewAvatar, SConfirmPasswordRecovery, SPasswordRecovered, SUserAvatars, SUsername, SEmail
 from app.tasks.tasks import send_registration_confirmation_email, send_password_change_email, \
     send_password_recover_email
 
@@ -34,7 +34,21 @@ async def get_all_users():
     return users
 
 
-@router.post("/register", response_model=SUserToken)
+@router.post("/check_existing_username", status_code=status.HTTP_200_OK)
+async def check_existing_username(username: SUsername):
+    user = await UserDAO.find_one_or_none(username=username.username)
+    if user:
+        raise UserAlreadyExistsException
+
+
+@router.post("/check_existing_email", status_code=status.HTTP_200_OK)
+async def check_existing_email(email: SEmail):
+    user = await UserDAO.find_one_or_none(email=email.email)
+    if user:
+        raise UserAlreadyExistsException
+
+
+@router.post("/register", response_model=SUserToken, status_code=status.HTTP_201_CREATED)
 async def register_user(response: Response, user_data: SUserRegister):
     await check_existing_user(user_data)
     hashed_password = get_password_hash(user_data.password)

app/users/schemas.py

@@ -123,3 +123,9 @@ class SUserAvatars(BaseModel):
     avatar_image: str
 
 
+class SUsername(BaseModel):
+    username: str = Query(None, min_length=2, max_length=30)
+
+
+class SEmail(BaseModel):
+    email: EmailStr