start a big rework

Pilz.Updating.Administration/Integrations/GitLabSnippetExtension.cs

@@ -0,0 +1,65 @@
+using NGitLab;
+using NGitLab.Models;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace Pilz.Updating.Administration.Integrations;
+
+public static class GitLabSnippetExtension
+{
+    private static IGitLabClient GetClient(GitLabSnippetConfig config)
+    {
+        return new GitLabClient(config.GitLabUrl, config.PersonalAccessToken);
+    }
+
+    private static bool LoadSnippet(UpdateServerManager manager)
+    {
+        var httpClient = new HttpClient();
+        var glClient = GetClient(manager.Config.GitLabSnippetConfig);
+
+        if (glClient.Snippets.Get(manager.Config.GitLabSnippetConfig.ProjectId, manager.Config.GitLabSnippetConfig.SnippetId) is not Snippet snippet
+            || snippet.Files.FirstOrDefault(f => f.Path == manager.Config.GitLabSnippetConfig.SnippetFilePath) is not SnippetFile file
+            || httpClient.GetStringAsync(snippet.Files[1].RawUrl).Result is not string content)
+            return false;
+
+        manager.UpdateInfo = UpdateInfo.Parse(content);
+
+        return true;
+    }
+
+    private static bool SaveSnippet(UpdateServerManager manager)
+    {
+        var glClient = GetClient(manager.Config.GitLabSnippetConfig);
+
+        if (glClient == null)
+            return false;
+
+        glClient.Snippets.Update(new SnippetProjectUpdate
+        {
+            SnippetId = manager.Config.GitLabSnippetConfig.SnippetId,
+            ProjectId = manager.Config.GitLabSnippetConfig.ProjectId,
+            Files = [
+                new SnippetUpdateFile
+                {
+                    Action = SnippetUpdateFileAction.Update,
+                    FilePath = manager.Config.GitLabSnippetConfig.SnippetFilePath,
+                    Content = manager.UpdateInfo.ToString(),
+                }
+            ],
+            Visibility = VisibilityLevel.Public,
+        });
+
+        return true;
+    }
+
+    public static Task<bool> ReadInfoFromGitLabSnippet(this UpdateServerManager manager)
+    {
+        return Task.Run(() => LoadSnippet(manager));
+    }
+
+    public static Task<bool> SaveInfoToGitLabSnippet(this UpdateServerManager manager)
+    {
+        return Task.Run(() => SaveSnippet(manager));
+    }
+}