Félix Malfait 9495d07566 Fix: Correct inverted logic in signUpWithoutWorkspace causing 'User already exists' error (#15086)
## Problem

When trying to signup on localhost:3001 with a new random email, users
were getting an error message saying 'User already exists', even though
they were new users.

## Root Cause

The `signUpWithoutWorkspace` method in `sign-in-up.service.ts` had
inverted logic when checking if a user exists. It was using
`findUserByEmailOrThrow` which:
- **Returns the user** if found
- **Throws the provided error** if NOT found

This caused the opposite behavior:
-  **New user (doesn't exist)**: Threw 'User already exists' error
-  **Existing user**: Continued to create duplicate user

## Solution

Changed to use `findUserByEmail` and explicitly check if the user exists
before throwing the appropriate error:

```typescript
const existingUser = await this.userService.findUserByEmail(newUserParams.email);

if (existingUser) {
  throw new AuthException(
    'User already exist',
    AuthExceptionCode.USER_ALREADY_EXIST,
    { userFriendlyMessage: msg`User already exists` },
  );
}
```

This matches the correct pattern already used in `signUpInWorkspace`
(line 431-441 in auth.resolver.ts).

## Changes
- Fixed inverted logic in `signUpWithoutWorkspace` method
- Now correctly validates that user does NOT exist before creating new
user
- Matches the pattern used in `signUpInWorkspace`

## Testing
The fix corrects the logic so that:
-  New users can sign up successfully
-  Existing users get the correct 'User already exists' error
2025-10-14 18:06:24 +02:00
2024-11-06 14:24:07 +01:00
2025-08-07 17:02:12 +02:00
2024-01-10 17:05:23 +01:00
2025-07-08 15:13:02 +02:00
2025-04-16 11:46:37 +02:00
2025-10-02 16:17:55 +02:00
2025-10-08 14:51:34 +02:00

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