Implement save file (#108)

* Implement save file
* Delete locally downloaded files that have not been opened in last 7 days

apps/desktop/src/main.ts

@@ -5,6 +5,7 @@ import {
   protocol,
   shell,
   globalShortcut,
+  dialog,
 } from 'electron';
 
 import started from 'electron-squirrel-startup';
@@ -251,3 +252,22 @@ ipcMain.handle(
 ipcMain.handle('open-external-url', (_, url: string) => {
   shell.openExternal(url);
 });
+
+ipcMain.handle('show-item-in-folder', (_, path: string) => {
+  shell.showItemInFolder(path);
+});
+
+ipcMain.handle(
+  'show-file-save-dialog',
+  async (_, { name }: { name: string }) => {
+    const result = await dialog.showSaveDialog({
+      defaultPath: name,
+    });
+
+    if (result.canceled) {
+      return undefined;
+    }
+
+    return result.filePath;
+  }
+);

apps/desktop/src/preload.ts

@@ -55,6 +55,14 @@ contextBridge.exposeInMainWorld('colanode', {
   openExternalUrl: async (url: string) => {
     return ipcRenderer.invoke('open-external-url', url);
   },
+
+  showItemInFolder: async (path: string) => {
+    return ipcRenderer.invoke('show-item-in-folder', path);
+  },
+
+  showFileSaveDialog: async ({ name }: { name: string }) => {
+    return ipcRenderer.invoke('show-file-save-dialog', { name });
+  },
 });
 
 contextBridge.exposeInMainWorld('eventBus', {