API Login

function login_post() {
        $username = trim($this->post('username'));
        $password = trim($this->post('password'));

        $this->db->select('*');
        $this->db->from('rtlh_users');
        $this->db->where('user_username', $username);
        $hasiluser = $this->db->get()->row(); // Hasil Cek Username

        if ($hasiluser == 0) {
            $response[] = array(
                                'resp_error' => TRUE,
                                'resp_msg'   => 'Username Tidak Terdaftar.'
                            );
        } else {
            $this->db->select('u.*, p.penduduk_nama');
            $this->db->from('rtlh_users u');
            $this->db->join('rtlh_penduduk_dukcapil p', 'u.user_username = p.penduduk_nik');
            $this->db->where('u.user_username', $username);
            $this->db->where('u.user_password', $password);
            $this->db->where('u.user_status', 'Aktif');
            $hasilakun = $this->db->get()->row(); // Hasil Cek Username dan Password

            if ($hasiluser == 0) {
                $response[] = array(
                                    'resp_error' => TRUE,
                                    'resp_msg'   => 'Username atau Password Salah.'
                                );
            } else {
                $response[] = array(
                                    'resp_error' => FALSE,
                                    'resp_msg'   => 'Success',
                                    'username'   => trim($hasilakun->user_username),
                                    'nama'       => trim($hasilakun->penduduk_nama),
                                    'avatar'     => $hasilakun->user_image,
                                    'level'      => $hasilakun->user_level
                                );
            }
        }

        $this->response($response, 200);
    }