Implemented delete asset on device and on database (#22)

* refactor serving file function asset service
* Remove PhotoViewer for now since it creates a problem in 2.10
* Added error message for wrong decode file and logo for failed to load file
* Fixed error when read stream cannot be created and crash server
* Added method to get all assets as a raw array
* Implemented cleaner way of grouping image
* Implemented operation to delete assets in the database
* Implemented delete on database operation
* Implemented delete on device operation
* Fixed issue display wrong information when the auto backup is enabled after deleting all assets

server/src/modules/background-task/background-task.processor.ts

@@ -6,6 +6,7 @@ import { AssetEntity } from '../../api-v1/asset/entities/asset.entity';
 import { ConfigService } from '@nestjs/config';
 import exifr from 'exifr';
 import { readFile } from 'fs/promises';
+import fs from 'fs';
 import { Logger } from '@nestjs/common';
 import { ExifEntity } from '../../api-v1/asset/entities/exif.entity';
 
@@ -56,4 +57,23 @@ export class BackgroundTaskProcessor {
       Logger.error(`Error extracting EXIF ${e.toString()}`, 'extractExif');
     }
   }
+
+  @Process('delete-file-on-disk')
+  async deleteFileOnDisk(job) {
+    const { assets }: { assets: AssetEntity[] } = job.data;
+
+    assets.forEach(async (asset) => {
+      fs.unlink(asset.originalPath, (err) => {
+        if (err) {
+          console.log('error deleting ', asset.originalPath);
+        }
+      });
+
+      fs.unlink(asset.resizePath, (err) => {
+        if (err) {
+          console.log('error deleting ', asset.originalPath);
+        }
+      });
+    });
+  }
 }

server/src/modules/background-task/background-task.service.ts

@@ -12,7 +12,7 @@ export class BackgroundTaskService {
   ) {}
 
   async extractExif(savedAsset: AssetEntity, fileName: string, fileSize: number) {
-    const job = await this.backgroundTaskQueue.add(
+    await this.backgroundTaskQueue.add(
       'extract-exif',
       {
         savedAsset,
@@ -22,4 +22,14 @@ export class BackgroundTaskService {
       { jobId: randomUUID() },
     );
   }
+
+  async deleteFileOnDisk(assets: AssetEntity[]) {
+    await this.backgroundTaskQueue.add(
+      'delete-file-on-disk',
+      {
+        assets,
+      },
+      { jobId: randomUUID() },
+    );
+  }
 }