refactor: extract dialog functionality of electron into a service so it can be developed centrally

src/main/core/container.ts

@@ -1,6 +1,7 @@
 import 'reflect-metadata';
 import { Container, interfaces } from 'inversify';
 import { MainAppWindow } from '../modules/app-window/main-app-window';
+import { Dialog } from '../modules/dialog/dialog';
 import { I18nTranslator } from '../modules/i18n/i18n-translator';
 import { Logger } from '../modules/logger/logger';
 import { NhentaiApi } from '../modules/nhentai/nhentai-api';
@@ -27,6 +28,8 @@ container.bind('logger').to(Logger);
 
 container.bind('i18n-translator').to(I18nTranslator);
 
+container.bind('dialog').to(Dialog);
+
 container.bind('store').to(Store);
 
 container.bind('session-helper').to(SessionHelper);

src/main/modules/dialog/dialog.ts

@@ -0,0 +1,26 @@
+import { dialog, OpenDialogOptions } from 'electron';
+import { injectable } from 'inversify';
+import { inject } from '../../core/inject';
+import { II18nTranslator } from '../i18n/i-i18n-translator';
+import { IDialog } from './i-dialog';
+
+@injectable()
+export class Dialog implements IDialog {
+  private readonly translator: II18nTranslator;
+
+  public constructor(@inject('i18n-translator') translator: II18nTranslator) {
+    this.translator = translator;
+  }
+
+  public selectFolder(options: OpenDialogOptions): ReturnType<typeof dialog.showOpenDialog> {
+    return dialog.showOpenDialog({
+      ...{
+        title: this.translator.t('select a folder'),
+      },
+      ...options,
+      ...{
+        properties: ['openDirectory', 'showHiddenFiles'],
+      },
+    });
+  }
+}

src/main/modules/dialog/i-dialog.d.ts

@@ -0,0 +1,5 @@
+import { dialog, OpenDialogOptions } from 'electron';
+
+interface IDialog {
+  selectFolder(options: OpenDialogOptions): ReturnType<typeof dialog.showOpenDialog>;
+}

src/main/modules/nhentai/nhentai-ipc-controller.ts

@@ -1,7 +1,7 @@
-import { dialog } from 'electron';
 import path from 'path';
 import { createWriteStream } from 'fs-extra';
 import { container } from '../../core/container';
+import { IDialog } from '../dialog/i-dialog';
 import { II18nTranslator } from '../i18n/i-i18n-translator';
 import { answer } from '../ipc/annotations/answer';
 import { INhentaiApi } from './i-nhentai-api';
@@ -12,15 +12,17 @@ export class NhentaiIpcController implements IIpcController {
 
   private readonly translator: II18nTranslator;
 
-  private constructor(nhentaiApi: INhentaiApi, translator: II18nTranslator) {
+  private readonly dialog: IDialog;
+
+  private constructor(nhentaiApi: INhentaiApi, translator: II18nTranslator, dialog: IDialog) {
     this.nhentaiApi = nhentaiApi;
     this.translator = translator;
+    this.dialog = dialog;
   }
 
   @answer(IpcChannel.NHENTAI_SAVE_FAVORITES)
   public async nhentaiSaveFavorites(): Promise<void> {
-    const result = await dialog.showOpenDialog({
+    const result = await this.dialog.selectFolder({
-      properties: ['openDirectory'],
       title: this.translator.t('Select torrent file save location'),
     });
 
@@ -39,6 +41,7 @@ export class NhentaiIpcController implements IIpcController {
   public get(): NhentaiIpcController {
     const nhentaiApi: INhentaiApi = container.get('nhentai-api');
     const translator: II18nTranslator = container.get('i18n-translator');
-    return new NhentaiIpcController(nhentaiApi, translator);
+    const dialog: IDialog = container.get('dialog');
+    return new NhentaiIpcController(nhentaiApi, translator, dialog);
   }
 }