Config-Funktionen in eigenes Modul, fixes #7

2024-06-04 14:58:52 +02:00
parent 4bcdf1071e
commit f695e874a9
5 changed files with 251 additions and 218 deletions
@@ -1,29 +1,177 @@
-class Config {
+const { app, BrowserWindow, ipcMain } = require('electron/main');
+const path = require('node:path');
+const fs = require('fs');
+const log = require('electron-log/main');

-    constructor() {
-        this.config = {
-            "url": "https://www.tooloop.de",
-            "whitelist": [
-                "tooloop.de",
-                "www.tooloop.de"
-            ],
-            "logPath": "tooloop-kiosk-browser.log"
-        };
+
+class Config {
+    url = "";
+    whitelist = [];
+    logPath = "tooloop-kiosk-browser.log";
+}
+
+
+// -----------------------------------------------------------------------------
+// Private fields
+// -----------------------------------------------------------------------------
+const locations = [
+    '/assets/presentation',
+    path.join(app.getPath('appData'), app.name),
+    app.getAppPath()
+];
+let configPath;
+let configWindow;
+let saveCallback;
+
+// -----------------------------------------------------------------------------
+// Public fields
+// -----------------------------------------------------------------------------
+exports.data = new Config();
+
+
+// -----------------------------------------------------------------------------
+// Public functions
+// -----------------------------------------------------------------------------
+
+/**
+ * Loads a config file from disc.
+ * The file is expected to be named `config.json` and is searched for in these
+ * locations and in this order:
+ * 
+ * 1. `/assets/presentation/config.json` (Tooloop OS)
+ * 2. appData directory
+ * 3. Path of the executable (Development)
+ */
+exports.load = () => {
+    // Check all locations
+    for (const location of locations) {
+        // Update the filepath
+        let configFile = path.join(location, 'config.json');
+        try {
+            // Try access
+            fs.accessSync(configFile);
+
+            // Parse the file if found
+            console.info('Found config file at ' + configFile);
+            const fileContent = fs.readFileSync(configFile, { encoding: 'utf8' });
+            this.data = JSON.parse(fileContent);
+
+            // store successful location
+            configPath = location;
+
+            // Break the loop
+            break;
+        } catch (err) {
+            // console.info('No config file found at ' + location);
+        }
    }
+}
+
+/**
+ * Saves the current configuration to disc.
+ * These locations are tried in this order:
+ * 
+ * 1. `/assets/presentation/config.json` (Tooloop OS)
+ * 2. appData directory
+ * 
+ * @param {Config} newConfig 
+ */
+exports.save = (newConfig) => {
+    if (!configPath) {
+        try {
+            // /assets/presentation
+            fs.accessSync(locations[0]);
+            configPath = locations[0];
+        } catch (error) {
+            // appData
+            configPath = locations[1];
+        }
+    }
+
+    // Store changes
+    if (this.data.url != newConfig.url) {
+        this.data.url = newConfig.url;
+    }
+
+    this.data.whitelist = [];
+    let whitelist = newConfig.whitelist.split(";");
+    whitelist = whitelist.filter(function (entry) { return entry.trim() != ''; });
+    whitelist.forEach(
+        token => {
+            this.data.whitelist.push(token.replace(/\r?\n|\r/g, ""));
+        }
+    );
+
+    this.data.logPath = newConfig.logPath;
+
+    // Write file
+    let configFile = path.join(configPath, 'config.json');
+    fs.writeFile(
+        configFile,
+        JSON.stringify(this.data, null, "  "),
+        (error) => {
+            if (error) log.warn('Error writing to ' + configPath, error);
+            log.info("Saved config to " + configFile);
+        }
+    );
+
+    // Update UI with new values
+    configWindow.webContents.send('update-config', this.data);
+
+    // Notify listeners
+    saveCallback(this.data);

 }

-let config = {
-    "url": "https://www.tooloop.de",
-    "whitelist": [
-        "tooloop.de",
-        "www.tooloop.de"
-    ],
-    "logPath": "tooloop-kiosk-browser.log"
-};

-exports.config = config;
+/**
+ * Creates a modal config view and attaches as to the main window
+ * 
+ * @param {BrowserWindow} parent Reference to the parent window
+ * @param {function(Config)} saveCallback
+ */
+exports.showWindow = (parent, callback) => {

-exports.load = () => {
-    console.log(config);
-};
+    // create lazily
+    if (configWindow == undefined) {
+        console.log("create windows");
+        saveCallback = callback;
+
+        configWindow = new BrowserWindow({
+            parent: parent,
+            width: 640,
+            height: 460,
+            minimizable: false,
+            maximizable: false,
+            fullscreenable: false,
+            backgroundColor: '#1f1f1f',
+            autoHideMenuBar: true,
+            excludedFromShownWindowsMenu: true,
+            webPreferences: {
+                preload: path.join(__dirname, 'configPreload.js')
+            }
+        });
+
+        configWindow.on('close', (event) => {
+            event.preventDefault();
+            configWindow.hide();
+        });
+
+        ipcMain.on('save-config', (event, configData) => {
+            configWindow.hide();
+            this.save(configData);
+        });
+        ipcMain.on('cancel-config', (event) => {
+            configWindow.hide();
+            configWindow.webContents.send('update-config', this.data);
+        });
+
+        configWindow.loadFile('./html/config.html');
+    }
+
+    // update text field values
+    configWindow.webContents.send('update-config', this.data);
+
+    // show window
+    configWindow.show();
+}