wugren
/
nwjs-builder-phoenix


			
				
					
						
						
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							<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <link rel="stylesheet" href="./node_modules/element-ui/lib/theme-default/index.css" />
    <style type="text/css">

    body {
        width: 100%;
        height: 100%;
        margin: 0;
    }

    #buttons {
        margin: 8px;
    }

    #progress {
        margin: 8px;
    }

    </style>
    <script type="text/javascript" src="./node_modules/vue/dist/vue.js"></script>
    <script type="text/javascript" src="./node_modules/element-ui/lib/index.js"></script>
</head>
<body>
<div id="root">
    <div id="buttons">
        <el-button :loading="checking" @click="checkForUpdates">Check for updates</el-button>
    </div>
    <div id="progress" v-if="downloading">
        <el-progress :text-inside="true" :stroke-width="18" :percentage="progress"></el-progress>
    </div>
</div>
<script type="text/javascript">

const { NsisCompatUpdater } = require('nsis-compat-updater');

document.title = `${ nw.App.manifest.name } - ${ nw.App.manifest.version }`;

const app = new Vue({
    el: '#root',
    data: function() {
        return {
            checking: false,
            downloading: false,
            progress: 0,
        };
    },
    methods: {
        checkForUpdates() {

            const updater = new NsisCompatUpdater('http://127.0.0.1:8080/versions.nsis.json', nw.App.manifest.version, 'x86');

            this.checking = true;

            updater.checkForUpdates()
            .then((version) => {

                this.checking = false;

                if(version) {

                    return this.$confirm(`New version of ${ version.version } is available, download now?`)
                    .then((confirm) => {

                        if(confirm) {

                            this.downloading = true;
                            this.progress = 0;

                            const handleDownloadProgress = (state) => {
                                this.progress = state.percentage;
                            };

                            updater.onDownloadProgress.subscribe(handleDownloadProgress);

                            return updater.downloadUpdate(version.version)
                            .then((path) => {

                                updater.onDownloadProgress.unsubscribe(handleDownloadProgress);
                                this.downloading = false;
                                this.progress = 0;

                                return this.$confirm(`New version of ${ version.version } is downloaded, install now?`)
                                .then((confirm) => {

                                    if(confirm) {
                                        return updater.quitAndInstall(path);
                                    }
                                    else {
                                        this.$message(`Installing cancelled.`);
                                    }

                                });

                            })
                            .catch((err) => {

                                updater.onDownloadProgress.unsubscribe(handleDownloadProgress);
                                this.downloading = false;
                                this.progress = 0;

                                throw err;

                            });

                        }
                        else {
                            this.$message(`Downloading cancelled.`);
                        }

                    });
                }
                else {
                    return this.$alert(`No new version available, the current version is ${ nw.App.manifest.version }.`);
                }
            })
            .catch((err) => {

                this.checking = false;

                this.$message.error(err.toString());

            });

        },
    },
});

</script>
</body>
</html>