Adjust the samples code so that it matches the refactored tutorial (#7067)

* Adjust the samples code so that it matches the refactored tutorial

* Use .NET v9 instead of v8

Author: BartoszKlonowski

csharp/getting-started/console-webapiclient/Program.cs

@@ -1,5 +1,5 @@
 using System.Net.Http.Headers;
-using System.Text.Json;
+using System.Net.Http.Json;
 
 using HttpClient client = new();
 client.DefaultRequestHeaders.Accept.Clear();
@@ -22,9 +22,6 @@
 
 static async Task<List<Repository>> ProcessRepositoriesAsync(HttpClient client)
 {
-    await using Stream stream =
-        await client.GetStreamAsync("https://api.github.com/orgs/dotnet/repos");
-    var repositories =
-        await JsonSerializer.DeserializeAsync<List<Repository>>(stream);
-    return repositories ?? new();
+    var repositories = await client.GetFromJsonAsync<List<Repository>>("https://api.github.com/orgs/dotnet/repos");
+    return repositories ?? new List<Repository>();
 }

csharp/getting-started/console-webapiclient/Repository.cs

@@ -1,13 +1,11 @@
-using System;
-using System.Text.Json.Serialization;
-
-public sealed record class Repository(
-    [property: JsonPropertyName("name")] string Name,
-    [property: JsonPropertyName("description")] string Description,
-    [property: JsonPropertyName("html_url")] Uri GitHubHomeUrl,
-    [property: JsonPropertyName("homepage")] Uri Homepage,
-    [property: JsonPropertyName("watchers")] int Watchers,
-    [property: JsonPropertyName("pushed_at")] DateTime LastPushUtc)
+public record class Repository(
+    string Name,
+    string Description,
+    Uri GitHubHomeUrl,
+    Uri Homepage,
+    int Watchers,
+    DateTime LastPushUtc
+)
 {
     public DateTime LastPush => LastPushUtc.ToLocalTime();
 }

csharp/getting-started/console-webapiclient/webapiclient.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>