EmailManager.php

class EmailManager
{
    public function confirmEmail(User $user): User
    {
        $user = \DB::transaction(function () use ($user) {
            $user = User::lockForUpdate()->findOrFail($user->id);
            $user->email_confirmed = true;
            $user->save();

            event(new UserErmailConfiming($user)); // DO some operations inside transactions (i.e. log user actions to DB)

            return $user;
        });

        event(new UserErmailConfimed($user)); // DO some operations in third party services (i.e. create mailchimp contact)

        return $user;
    }
}

SocialProfileManager.php

class SocialProfileManager
{
    public function connectProfile(User $user, $socialNetworkUserData): User
    {
        $user = \DB::transaction(function () use ($user, $socialNetworkUserData) {
           // do some logic here
            // ....

            if ($user->email === $socialNetworkUserData->email) {
                $user = $this->emailManager->confirmEmail($user);
            }

            return $user;
        });

        return $user;
    }