def reading_qr_run()

in qr-reader-function/src/qr_reader.py [0:0]

• 42 lines of code
• 11 McCabe index (conditional complexity)

def reading_qr_run():
    process_running = True
    status = {}
    local_storage = LocalStorage()

    while process_running:
        # Check order process or refilling process are still proceeded
        logger.info(local_storage.read("is_process"))
        logger.info(local_storage.read("qrType"))
        is_process = local_storage.read("is_process")
        if is_process:
            time.sleep(3)
            continue

        qr_code = local_storage.read("qr_code")
        local_storage.clear("qr_code")
        if qr_code:
            # Checking QR code is for shop to refill things or QR from customer
            if REFILL_QR == qr_code:
                status.update(qrType="REFILL")
                status.update(is_process=True)
                local_storage.write(status)
                # Stopping reading QR code process
                payload_info = json.dumps({"type": "TEXT", "data": {"title": "refill"}}).encode()
                gg_client.publish(topic="refill", queueFullPolicy="AllOrException",payload=payload_info)
                continue

            # Publish messages authentication
            else:
                # Calling scan api for getting token
                pay_result = scan_amazon_pay(str(qr_code))
                status.update(pay_result)
                local_storage.write(status)
                logger.info(local_storage.read("is_error"))

                if local_storage.read("is_error"):
                    cmd = "aplay -D plughw:{},{} cant_read_qr.wav".format(AUDIO_CARD,AUDIO_DEVICE)
                    subprocess.call(cmd, shell=True)
                    status.update(is_error=False, is_process=False, qrType="")
                    local_storage.write(status)
                    continue

                else:
                    status.update(qrType="CUSTOMER")
                    status.update(is_process=True)
                    local_storage.write(status)

                    # Debugging App. This topic does not contain debug. However, this is used for debug application
                    payload_info = json.dumps({'type': 'TEXT', 'data': {
                                                  'title': 'Authentication', 'text': 'Valid authentication QRCode', 'value': qr_code, 'completedStepIndex': 0}}).encode()
                    gg_client.publish(topic='{}/debug'.format(STACK_NAME), payload=payload_info)
                    # Sending publishing message to door open process
                    payload_info = json.dumps({'type': 'TEXT', 'data': {'title': 'authenticate'}}).encode()
                    gg_client.publish(topic='authenticate', queueFullPolicy="AllOrException", payload=payload_info)

        time.sleep(3)