some background code for manager workspaces

ModpackUpdater.Apps.Manager/Features/Workspaces/GitLabRepo/GitLabRepoWorkspace.cs

@@ -1,7 +1,67 @@
 using ModpackUpdater.Apps.Manager.Api.Model;
+using NGitLab;
+using NGitLab.Models;
+using System.Text.Encodings.Web;
 
 namespace ModpackUpdater.Apps.Manager.Features.Workspaces.GitLabRepo;
 
-internal class GitLabRepoWorkspace : IWorkspace
+internal class GitLabRepoWorkspace(GitLabRepoWorkspaceConfig config) : IWorkspace
 {
+    public WorkspaceConfig Config => ConfigX;
+
+    public GitLabRepoWorkspaceConfig ConfigX { get; } = config;
+
+    public IGitLabClient Gitlab { get; } = new GitLabClient(config.InstanceUrl, config.ApiToken);
+
+    public InstallInfos? InstallInfos { get; private set; }
+
+    public UpdateInfos? UpdateInfos { get; private set; }
+
+    public async Task<bool> Load()
+    {
+        InstallInfos = InstallInfos.Parse(await GetContent(ConfigX.FileLocationInstallJson));
+        UpdateInfos = UpdateInfos.Parse(await GetContent(ConfigX.FileLocationUpdateJson));
+        return InstallInfos != null && UpdateInfos != null;
+    }
+
+    public async Task<bool> Save()
+    {
+        if (InstallInfos != null)
+            await SaveContent(ConfigX.FileLocationInstallJson, InstallInfos.ToString());
+
+        if (UpdateInfos != null)
+            await SaveContent(ConfigX.FileLocationUpdateJson, UpdateInfos.ToString());
+
+        return true;
+    }
+
+    private async Task<string> GetContent(string path)
+    {
+        var pathUrl = UrlEncoder.Default.Encode(path);
+        var repoId = new ProjectId(ConfigX.RepoId);
+        var repo = Gitlab.GetRepository(repoId);
+        var data = await repo.Files.GetAsync(pathUrl, ConfigX.RepoBranche);
+        return data.DecodedContent;
+    }
+
+    private Task<bool> SaveContent(string path, string content)
+    {
+        var pathUrl = UrlEncoder.Default.Encode(path);
+        var repoId = new ProjectId(ConfigX.RepoId);
+        var repo = Gitlab.GetRepository(repoId);
+        var update = new FileUpsert
+        {
+            Branch = ConfigX.RepoBranche,
+            CommitMessage = "update " + Path.GetFileName(pathUrl),
+            RawContent = content,
+            Path = pathUrl,
+        };
+
+        if (repo.Files.FileExists(pathUrl, ConfigX.RepoBranche))
+            repo.Files.Update(update);
+        else
+            repo.Files.Create(update);
+
+        return Task.FromResult(true);
+    }
 }