ota-device-list/component.js

A markojs component for listing OTA devices

function isOffline(device) {
    let lastSeen;

    lastSeen = device['last-seen'];
    // Offline if not seen in more than 1 hour (in milliseconds).
    if (lastSeen && (new Date() - Date.parse(lastSeen)) < 36000000) {
        return false;
    }
    return true;
}

function offlineDevice(device) {
    device.offline = isOffline(device);
    return device;
}

class Component {
    onCreate(input) {
        const devices = (input.devices && input.devices.map(offlineDevice));
        this.state = {
            devices: devices,
            maxDevices: input.maxDevices
        };
    }

    onDeviceRemove(idx) {
        const device = this.state.devices[`${idx}`];
        this.emit('device-remove', device, idx, device.name);
    }

    onDeviceRemoving(device, idx) {
        // XXX: Do nothing for now.
    }

    onDeviceRemoveSuccess(data) {
        let idx;

        if (data.idx != null) {
            idx = data.idx;
        } else {
            idx = this.state.devices
                .findIndex(d => d.name === data.device && d['update-stream'] === data.stream);
        }

        this.state.devices.splice(idx, 1);
        this.setStateDirty('devices');
    }

    onDeviceRemoveError(data) {
        // XXX: Do nothing for now.
    }
}

module.exports = Component;