Simplified cache handling

linkdotnet · linkdotnet · commit 06e0a47588e5 · 2023-04-23T19:27:41.000+02:00
diff --git a/src/LinkDotNet.Blog.Web/Features/Components/ShortBlogPost.razor b/src/LinkDotNet.Blog.Web/Features/Components/ShortBlogPost.razor
@@ -66,10 +66,10 @@
 	protected override void OnInitialized()
 	{
 		var key = "reading-time-" + BlogPost.Id;
-		if (!MemoryCache.TryGetValue(key, out readingTime))
+		readingTime = MemoryCache.GetOrCreate(key, entry =>
 		{
-			readingTime = ReadingTimeCalculator.CalculateReadingTime(BlogPost.Content);
-			MemoryCache.Set(key, readingTime, TimeSpan.FromHours(1));
-		}
+			entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromHours(1);
+			return ReadingTimeCalculator.CalculateReadingTime(BlogPost.Content);
+		});
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -66,10 +66,10 @@`
`66`	`66`	`protected override void OnInitialized()`
`67`	`67`	`{`
`68`	`68`	`var key = "reading-time-" + BlogPost.Id;`
`69`		`- if (!MemoryCache.TryGetValue(key, out readingTime))`
	`69`	`+ readingTime = MemoryCache.GetOrCreate(key, entry =>`
`70`	`70`	`{`
`71`		`- readingTime = ReadingTimeCalculator.CalculateReadingTime(BlogPost.Content);`
`72`		`- MemoryCache.Set(key, readingTime, TimeSpan.FromHours(1));`
`73`		`- }`
	`71`	`+ entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromHours(1);`
	`72`	`+ return ReadingTimeCalculator.CalculateReadingTime(BlogPost.Content);`
	`73`	`+ });`
`74`	`74`	`}`
`75`	`75`	`}`