refactor video files scanner

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

@@ -0,0 +1,59 @@
+import { Injectable } from '@nestjs/common';
+import { VideoFilesScannerService } from './Scanner/video-files-scanner.service';
+import { VideoFilesUpdateRepository } from './video-files-update.repository';
+import { FileEntityExpander } from './Expander/file-entity.expander';
+import { FileEntity } from '../Entity/file.entity';
+import { StreamProviderEnum } from '../../Streamer/ReadStreamProvider/stream-provider.enum';
+
+@Injectable()
+export class VideoFilesUpdateService {
+  constructor(
+    private readonly scanner: VideoFilesScannerService,
+    private readonly repository: VideoFilesUpdateRepository,
+    private readonly expander: FileEntityExpander,
+  ) {}
+
+  async updateFsVideoFiles(): Promise<void> {
+    const [filesInFs, filesToRelativePaths] = await this.scanner.scanNewFiles();
+
+    await this.repository.markRemovedFilesAsDeleted(filesInFs);
+
+    const filesInDb = await this.repository.getMatchingPaths(filesInFs);
+    const filesToAddToDb = filesInFs.filter(
+      (filePath) => !filesInDb.includes(filePath),
+    );
+
+    const entitiesToSave = [];
+
+    for (const fileToAddToDb of filesToAddToDb) {
+      if (this.checkPathToIgnore(fileToAddToDb)) {
+        continue;
+      }
+
+      const fileEntity = await this.buildFileEntity(
+        fileToAddToDb,
+        filesToRelativePaths[fileToAddToDb],
+      );
+
+      entitiesToSave.push(fileEntity);
+    }
+
+    await this.repository.saveFiles(entitiesToSave);
+  }
+
+  private checkPathToIgnore(filePath: string): boolean {
+    //todo - move to separate provider, include in settings
+    return filePath.indexOf('AOE1') > -1;
+  }
+
+  private async buildFileEntity(
+    path: string,
+    relativePath: string,
+  ): Promise<FileEntity> {
+    const fileEntity = await this.repository.findOrCreateFile(path, false);
+    fileEntity.relativePath = relativePath;
+    fileEntity.streamProvider = StreamProviderEnum.fs;
+
+    return await this.expander.expand(fileEntity);
+  }
+}