nooLight/LightsModel.qml

import QtQml.Models 2.1

ListModel {
    id: root

    readonly property var httpClient: HttpClient {
        id: httpClient

        onError: {
            root.error(text)
            root.isLoading = false
        }

        onReply: {
            root.populateModel(data)
            root.isLoading = false
        }
    }

    property string serviceUrl: undefined
    property bool isLoading: false

    signal error(string text)

    onServiceUrlChanged: reload()

    function reload() {
        root.httpClient.get(root.serviceUrl + '/static/channels.js')
        root.isLoading = true
    }

    function populateModel(data) {
        data.groups.forEach(function (group) {
            root.append(group)
        })
    }
}