Refacor electron app and add migrations

electron/ipc/system.ts

@@ -0,0 +1,61 @@
+import {
+  app,
+  desktopCapturer,
+  ipcMain,
+  shell
+} from 'electron';
+import * as fs from 'fs';
+import * as fsp from 'fs/promises';
+
+export function setupSystemHandlers(): void {
+  ipcMain.handle('open-external', async (_event, url: string) => {
+    if (typeof url === 'string' && (url.startsWith('http://') || url.startsWith('https://'))) {
+      await shell.openExternal(url);
+      return true;
+    }
+
+    return false;
+  });
+
+  ipcMain.handle('get-sources', async () => {
+    const sources = await desktopCapturer.getSources({
+      types: ['window', 'screen'],
+      thumbnailSize: { width: 150, height: 150 }
+    });
+
+    return sources.map((source) => ({
+      id: source.id,
+      name: source.name,
+      thumbnail: source.thumbnail.toDataURL()
+    }));
+  });
+
+  ipcMain.handle('get-app-data-path', () => app.getPath('userData'));
+
+  ipcMain.handle('file-exists', async (_event, filePath: string) => {
+    try {
+      await fsp.access(filePath, fs.constants.F_OK);
+      return true;
+    } catch {
+      return false;
+    }
+  });
+
+  ipcMain.handle('read-file', async (_event, filePath: string) => {
+    const data = await fsp.readFile(filePath);
+
+    return data.toString('base64');
+  });
+
+  ipcMain.handle('write-file', async (_event, filePath: string, base64Data: string) => {
+    const buffer = Buffer.from(base64Data, 'base64');
+
+    await fsp.writeFile(filePath, buffer);
+    return true;
+  });
+
+  ipcMain.handle('ensure-dir', async (_event, dirPath: string) => {
+    await fsp.mkdir(dirPath, { recursive: true });
+    return true;
+  });
+}