From 480faae00b0d5ab545506e81d744be781059f8bb Mon Sep 17 00:00:00 2001
From: Sergey Chebotar <s.chebotar@gmail.com>
Date: Mon, 5 Jun 2023 17:11:36 +0300
Subject: [PATCH] Resize image on Upload

---
 Controllers/ProductsController.cs |  4 ++--
 Services/IImageResizer.cs         |  2 +-
 Services/ImageResizer.cs          | 29 +++++++++++++++++------------
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/Controllers/ProductsController.cs b/Controllers/ProductsController.cs
index 79b4efd..9c1cdd2 100644
--- a/Controllers/ProductsController.cs
+++ b/Controllers/ProductsController.cs
@@ -88,8 +88,8 @@ namespace MyDarling.Controllers
 					{
 						Directory.CreateDirectory(directoryPath);
 					}			
-					using var fileStream = new FileStream(fullPath, FileMode.Create);
-					await file.CopyToAsync(fileStream);
+					
+					resizer.WriteResized(file, fullPath);
 				}
 				
 				if (!string.IsNullOrEmpty(fullPath))
diff --git a/Services/IImageResizer.cs b/Services/IImageResizer.cs
index de02893..be69e66 100644
--- a/Services/IImageResizer.cs
+++ b/Services/IImageResizer.cs
@@ -2,7 +2,7 @@ namespace MyDarling.Services
 {
     public interface IImageResizer
 	{
+		public void WriteResized(IFormFile formFile, string outputFilePath);
 		public void CreateThumbnail(string filePath);
-		public void DownsizeImage(string filePath);
 	}
 }
\ No newline at end of file
diff --git a/Services/ImageResizer.cs b/Services/ImageResizer.cs
index 53c1eec..8e09424 100644
--- a/Services/ImageResizer.cs
+++ b/Services/ImageResizer.cs
@@ -2,15 +2,27 @@ using SkiaSharp;
 
 namespace MyDarling.Services
 {
-    public class ImageResizer : IImageResizer
+	public class ImageResizer : IImageResizer
 	{
-		const int size = 400;
-		const int quality = 75;
 		public void CreateThumbnail(string inputPath)
 		{
 			using var input = File.OpenRead(inputPath);
 			using var inputStream = new SKManagedStream(input);
-			using var original = SKBitmap.Decode(inputStream);
+			var outputPath = Path.GetDirectoryName(inputPath) + "\\" +
+				Path.GetFileNameWithoutExtension(inputPath) + "_thumb.jpg";
+			WriteResized(inputStream, 600, outputPath);
+		}
+		public void WriteResized(IFormFile formFile, string outputFilePath)
+		{
+			SKManagedStream stream = new(formFile.OpenReadStream());
+			WriteResized(stream, 2000, outputFilePath);
+		}
+
+		private void WriteResized(SKManagedStream stream, int size, string outputFilePath)
+		{
+			int quality = 95;
+			var skData = SKData.Create(stream);
+			using var original = SKBitmap.Decode(skData);
 
 			int width, height;
 			if (original.Width > original.Height)
@@ -28,16 +40,9 @@ namespace MyDarling.Services
 			if (resized == null) return;
 
 			using var image = SKImage.FromBitmap(resized);
-			var outputPath = Path.GetDirectoryName(inputPath) + "\\" +
-				Path.GetFileNameWithoutExtension(inputPath) + "_thumb.jpg";
-			using var output = File.OpenWrite(outputPath);
+			using var output = File.OpenWrite(outputFilePath);
 
 			image.Encode(SKEncodedImageFormat.Jpeg, quality).SaveTo(output);
 		}
-
-		public void DownsizeImage(string filePath)
-		{
-			throw new NotImplementedException();
-		}
 	}
 }
\ No newline at end of file