From 9383a2fb09ffb60cfe63683106945bd688affa59 Mon Sep 17 00:00:00 2001
From: ivarlovlie <git@ivarlovlie.no>
Date: Wed, 1 Jun 2022 21:13:43 +0200
Subject: feat: Initial commit after clean slate

---
 src/Services/AssetsService.cs | 58 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/Services/AssetsService.cs

(limited to 'src/Services/AssetsService.cs')

diff --git a/src/Services/AssetsService.cs b/src/Services/AssetsService.cs
new file mode 100644
index 0000000..bf0029a
--- /dev/null
+++ b/src/Services/AssetsService.cs
@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using IOL.Helpers;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using VSH.Data;
+using VSH.Data.Static;
+
+namespace VSH.Services;
+
+public class AssetsService
+{
+	private readonly MainDbContext _context;
+	private readonly ILogger<AssetsService> _logger;
+
+
+	public AssetsService(MainDbContext context, ILogger<AssetsService> logger) {
+		_context = context;
+		_logger = logger;
+	}
+
+	public Task RemoveUnusedProductImages() {
+		try {
+			_logger.LogDebug("Starting RemoveUnusedProductImages");
+			var inUseFileNames = new List<string>();
+
+			foreach (var productImageList in _context.Products.Select(c => c.Images).AsNoTracking()) {
+				var defaultFiles = productImageList.Select(image => image.FileName).ToList();
+				var smallFiles = defaultFiles.Select(c => c.ExtractFileName() + "-300" + c.ExtractExtension());
+				var miniFiles = defaultFiles.Select(c => c.ExtractFileName() + "-150" + c.ExtractExtension());
+				inUseFileNames.AddRange(defaultFiles);
+				inUseFileNames.AddRange(miniFiles);
+				inUseFileNames.AddRange(smallFiles);
+			}
+
+			var removedFileCount = 0;
+			if (inUseFileNames.Any()) {
+				foreach (var diskFile in Directory.EnumerateFiles(AppPaths.ProductImages.HostPath)) {
+					if (inUseFileNames.Any(c => c == diskFile))
+						continue;
+					if (File.Exists(diskFile))
+						File.Delete(diskFile);
+					removedFileCount++;
+					_logger.LogDebug("Deleted " + diskFile);
+				}
+			}
+
+			_logger.LogInformation("Removed " + removedFileCount + " unused product images");
+			return Task.CompletedTask;
+		} catch (Exception ex) {
+			_logger.LogError("Exception removing unused assets: {exception}", ex.Message);
+			return Task.CompletedTask;
+		}
+	}
+}
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