finished diagnose system

Moonlight.ApiServer/Http/Controllers/Admin/Sys/SystemController.cs

@@ -1,5 +1,12 @@
+using System.IO.Compression;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging.Console;
 using MoonCore.Attributes;
+using MoonCore.Exceptions;
+using MoonCore.Helpers;
+using Moonlight.ApiServer.Helpers;
+using Moonlight.ApiServer.Interfaces;
+using Moonlight.ApiServer.Models.Diagnose;
 using Moonlight.ApiServer.Services;
 using Moonlight.Shared.Http.Responses.Admin.Sys;
 
@@ -10,10 +17,14 @@ namespace Moonlight.ApiServer.Http.Controllers.Admin.Sys;
 public class SystemController : Controller
 {
     private readonly ApplicationService ApplicationService;
+    private readonly IEnumerable<IDiagnoseProvider> DiagnoseProviders;
+    private readonly DiagnoseService DiagnoseService;
 
-    public SystemController(ApplicationService applicationService)
+    public SystemController(ApplicationService applicationService, IEnumerable<IDiagnoseProvider> diagnoseProviders, DiagnoseService diagnoseService)
     {
         ApplicationService = applicationService;
+        DiagnoseProviders = diagnoseProviders;
+        DiagnoseService = diagnoseService;
     }
 
     [HttpGet]
@@ -35,4 +46,15 @@ public class SystemController : Controller
     {
         await ApplicationService.Shutdown();
     }
+
+    [HttpGet("diagnose")]
+    [RequirePermission("admin.system.diagnose")]
+    public async Task<IActionResult> Diagnose()
+    {
+        var stream = new MemoryStream();
+        
+        await DiagnoseService.GenerateDiagnose(stream);
+        
+        return File(stream, "application/zip", "diagnose.zip");
+    }
 }

Moonlight.ApiServer/Implementations/Diagnose/CoreDiagnoseProvider.cs

@@ -6,11 +6,15 @@ namespace Moonlight.ApiServer.Implementations.Diagnose;
 
 public class CoreDiagnoseProvider : IDiagnoseProvider
 {
-    public async Task<DiagnoseEntry> GetFiles()
+    public DiagnoseEntry[] GetFiles()
     {
-        return new DiagnoseFile()
-        {
-            GetContent = () => Encoding.UTF8.GetBytes("hello world")
-        };
+        return
+        [
+            new DiagnoseFile()
+            {
+                Name = "test.txt",
+                GetContent = () => Encoding.UTF8.GetBytes("hello world")
+            }
+        ];
     }
 }

Moonlight.ApiServer/Implementations/Diagnose/TestProvider.cs

@@ -1,6 +0,0 @@
-namespace Moonlight.ApiServer.Implementations.Diagnose;
-
-public class TestProvider
-{
-    
-}

Moonlight.ApiServer/Implementations/Startup/CoreStartup.cs

@@ -1,6 +1,8 @@
 using Microsoft.OpenApi.Models;
 using Moonlight.ApiServer.Configuration;
 using Moonlight.ApiServer.Database;
+using Moonlight.ApiServer.Implementations.Diagnose;
+using Moonlight.ApiServer.Interfaces;
 using Moonlight.ApiServer.Interfaces.Startup;
 
 namespace Moonlight.ApiServer.Implementations.Startup;
@@ -48,6 +50,12 @@ public class CoreStartup : IPluginStartup
 
         builder.Services.AddDbContext<CoreDataContext>();
 
+        #endregion
+
+        #region Diagnose
+
+        builder.Services.AddSingleton<IDiagnoseProvider, CoreDiagnoseProvider>();
+
         #endregion
         
         return Task.CompletedTask;

Moonlight.ApiServer/Interfaces/IDiagnoseProvider.cs

@@ -4,5 +4,5 @@ namespace Moonlight.ApiServer.Interfaces;
 
 public interface IDiagnoseProvider
 {
-    public Task<DiagnoseEntry> GetFiles();
+    public DiagnoseEntry[] GetFiles();
 }

Moonlight.ApiServer/Models/Diagnose/DiagnoseEntry.cs

@@ -2,7 +2,7 @@ namespace Moonlight.ApiServer.Models.Diagnose;
 
 public abstract class DiagnoseEntry
 {
-    public string Name { get; set; } = "";
+    public required string Name { get; set; } = "";
     
     public abstract bool IsDirectory { get; }
 }

Moonlight.ApiServer/Services/DiagnoseService.cs

@@ -1,6 +1,119 @@
+using MoonCore.Helpers;
+using Moonlight.ApiServer.Interfaces;
+using Moonlight.ApiServer.Models.Diagnose;
+using System.IO.Compression;
+using MoonCore.Attributes;
+
 namespace Moonlight.ApiServer.Services;
 
+[Scoped]
 public class DiagnoseService
 {
+
+    private readonly IEnumerable<IDiagnoseProvider> DiagnoseProviders;
+
+    public DiagnoseService(IEnumerable<IDiagnoseProvider> diagnoseProviders)
+    {
+        DiagnoseProviders = diagnoseProviders;
+    }
+
+    public async Task GenerateDiagnose(Stream outputStream)
+    {
+        var tasks = DiagnoseProviders
+            .SelectMany(x => x.GetFiles())
+            .Select(async x => await ProcessDiagnoseEntry(null, x));
+
+        
+        var fileEntries = (await Task.WhenAll(tasks))
+            .SelectMany(x => x)
+            .ToDictionary();
+        
+
+        try
+        {
+
+            using (var zip = new ZipArchive(outputStream, ZipArchiveMode.Create, leaveOpen: true))
+            {
+                foreach (var kv in fileEntries)
+                {
+                    string entryName = kv.Key.Replace('\\', '/');
+                    byte[] data = kv.Value;
+
+                    // Optionally pick CompressionLevel.Optimal or NoCompression
+                    var entry = zip.CreateEntry(entryName, CompressionLevel.Fastest);
+
+                    using (var entryStream = entry.Open())
+                    using (var ms = new MemoryStream(data))
+                    {
+                        await ms.CopyToAsync(entryStream);
+                    }
+                }
+            }
+
+            outputStream.Seek(0, SeekOrigin.Begin);
+        }
+        catch (Exception ex)
+        {
+            throw new Exception($"An unknown error occured while building the Diagnose: {ex.Message}");
+        }
+    }
     
+    private async Task<Dictionary<string, byte[]>> ProcessDiagnoseEntry(string? path, DiagnoseEntry entry)
+    {
+        var fileEntries = new Dictionary<string, byte[]>();
+        
+        switch (entry)
+        {
+            case DiagnoseDirectory diagnoseDirectory:
+            {
+                var files = await ProcessDiagnoseDirectory(path, diagnoseDirectory);
+
+                foreach (var file in files)
+                {
+                    fileEntries.Add(file.Key, file.Value);
+                }
+
+                break;
+            }
+            case DiagnoseFile diagnoseFile:
+            {
+                var file = await ProcessDiagnoseFile(path, diagnoseFile);
+
+                fileEntries.Add(file.Key, file.Value);
+                
+                break;
+            }
+        }
+
+        return fileEntries;
+    }
+    
+    private async Task<Dictionary<string, byte[]>> ProcessDiagnoseDirectory(string? path, DiagnoseDirectory directory)
+    {
+        var result = new Dictionary<string, byte[]>();
+
+        var directoryPath = path != null ?  string.Join("/", path, directory.Name) : directory.Name;
+        
+        foreach (var entry in directory.Children)
+        {
+            var files = await ProcessDiagnoseEntry(directoryPath, entry);
+
+            foreach (var file in files)
+            {
+                result.Add(file.Key, file.Value);
+            }
+        }
+        
+        return result;
+    }
+
+    private async Task<KeyValuePair<string, byte[]>> ProcessDiagnoseFile(string? path, DiagnoseFile file)
+    {
+
+        var filePath = path != null ?  string.Join("/", path, file.Name) : file.Name;
+
+        var bytes = file.GetContent();
+
+        return new KeyValuePair<string, byte[]>(filePath, bytes);
+    }
 }