public function authenticate(Request $request) {
$email = $request->input('email');
$user = User::where('email', '=', $email)->first();
try {
// verify the credentials and create a token for the user
if (! $token = JWTAuth::fromUser($user)) {
return response()->json(['error' => 'invalid_credentials'], 401);
}
} catch (JWTException $e) {
// something went wrong
return response()->json(['error' => 'could_not_create_token'], 500);
}
// if no errors are encountered we can return a JWT
return response()->json(compact('token'));
}