refactor video files scanner

src/VideoFiles/Update/video-files-update.module.ts

@@ -0,0 +1,48 @@
+import { Module, Provider } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { TitleEntity } from '../Entity/title.entity';
+import { FileEntity } from '../Entity/file.entity';
+import {
+  FileEntityExpander,
+  FileEntityExpanders,
+} from './Expander/file-entity.expander';
+import { FileEntityTitleInfoExpander } from './Expander/file-entity-title-info.expander';
+import { VideoFilesUpdateService } from './video-files-update.service';
+import { VideoFilesScannerService } from './Scanner/video-files-scanner.service';
+import { VideoFilesUpdateRepository } from './video-files-update.repository';
+import { FileEntitySizeExpander } from './Expander/file-entity-size.expander';
+import { FileEntityDefaultsExpander } from './Expander/file-entity-defaults.expander';
+import { FileEntityDurationExpander } from './Expander/file-entity-duration.expander';
+
+const fileEntityExpanders: Provider<any>[] = [
+  FileEntityExpander,
+  FileEntityDefaultsExpander,
+  FileEntitySizeExpander,
+  FileEntityTitleInfoExpander,
+  FileEntityDurationExpander,
+  {
+    provide: FileEntityExpanders,
+    useFactory: (...expanders) => expanders,
+    inject: [
+      //expanders run in parallel, make sure they don't rely on each other's result
+      //todo - linkomanija, webtorrent, transmission expanders
+      FileEntityDefaultsExpander,
+      FileEntitySizeExpander,
+      FileEntityTitleInfoExpander,
+      FileEntityDurationExpander,
+    ],
+  },
+];
+
+@Module({
+  imports: [TypeOrmModule.forFeature([TitleEntity, FileEntity])],
+  controllers: [],
+  providers: [
+    VideoFilesUpdateService,
+    VideoFilesScannerService,
+    VideoFilesUpdateRepository,
+    ...fileEntityExpanders,
+  ],
+  exports: [VideoFilesUpdateService],
+})
+export class VideoFilesUpdateModule {}