Restructuring for new way of installing libreevent

src/web/admin/startPageManager.js

@@ -0,0 +1,67 @@
+/*
+*				libreevent - startPageManager.js
+*
+*	Created by Janis Hutz 09/04/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+let createSSRApp = require( 'vue' ).createSSRApp;
+let renderToString = require( 'vue/server-renderer' ).renderToString;
+const fs = require( 'fs' );
+const path = require( 'path' );
+const db = require( '../backend/db/db.js' );
+
+class StartPageManager {
+    constructor ( settings ) {
+        this.settings = settings;
+    }
+
+    saveStartPagePreferences( startPageName, preferences ) {
+        let conf = {};
+        for ( let setting in preferences ) {
+            conf[ setting ] = preferences[ setting ][ 'value' ];
+        }
+        fs.writeFileSync( path.join( __dirname + '/../ui/home/templates/' + startPageName + '/startPage.config.json' ), JSON.stringify( conf ) );
+    }
+
+    loadStartPagePreferences( startPageName ) {
+        let conf, options;
+        try {
+            options = JSON.parse( fs.readFileSync( path.join( __dirname + '/../ui/home/templates/' + startPageName + '/startPage.json' ) ) );
+            conf = JSON.parse( fs.readFileSync( path.join( __dirname + '/../ui/home/templates/' + startPageName + '/startPage.config.json' ) ) );
+            return { 'conf': conf, 'options': options };
+        } catch ( err ) {
+            return {};
+        }
+    }
+
+    findAllStartPageTemplates() {
+        return fs.readdirSync( path.join( __dirname + '/../ui/home/templates/' ) );
+    }
+
+    setActiveStartPage( startPageName ) {
+        this.settings[ 'startPage' ] = startPageName;
+        db.saveSettings( this.settings );
+    }
+
+    async renderStartPage( startPageName ) {
+        this.setActiveStartPage( startPageName );
+        let self = this;
+        const app = createSSRApp( {
+            data() {
+                return {
+                    'data': self.loadStartPagePreferences( startPageName ),
+                    'pageName': self.settings.pageName,
+                };
+            },
+            template: '' + fs.readFileSync( path.join( __dirname + '/../ui/home/templates/' + startPageName + '/index.html' ) )
+        } );
+
+        fs.writeFileSync( path.join( __dirname + '/../ui/home/active/en/index.html' ), await renderToString( app ) );
+        return true;
+    }
+}
+
+module.exports = StartPageManager;