add file upload service and integrate with message sending

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/SendMessage/SendMessageCommand.cs

@@ -28,26 +28,25 @@ public class SendMessageCommandHandler : IBaseCommandHandler<SendMessageCommand,
     private readonly ITaskChatMessageRepository _messageRepository;
     private readonly IUploadedFileRepository _fileRepository;
     private readonly IProjectTaskRepository _taskRepository;
-    private readonly IFileStorageService _fileStorageService;
+    private readonly IFileUploadService _fileUploadService;
-    private readonly IThumbnailGeneratorService _thumbnailService;
     private readonly IAuthHelper _authHelper;
 
     public SendMessageCommandHandler(
         ITaskChatMessageRepository messageRepository,
         IUploadedFileRepository fileRepository,
-        IProjectTaskRepository taskRepository,
+        IProjectTaskRepository taskRepository, 
-        IFileStorageService fileStorageService,
+        IAuthHelper authHelper,
-        IThumbnailGeneratorService thumbnailService, IAuthHelper authHelper)
+        IFileUploadService fileUploadService)
     {
         _messageRepository = messageRepository;
         _fileRepository = fileRepository;
         _taskRepository = taskRepository;
-        _fileStorageService = fileStorageService;
-        _thumbnailService = thumbnailService;
         _authHelper = authHelper;
+        _fileUploadService = fileUploadService;
     }
 
-    public async Task<OperationResult<MessageDto>> Handle(SendMessageCommand request, CancellationToken cancellationToken)
+    public async Task<OperationResult<MessageDto>> Handle(SendMessageCommand request,
+        CancellationToken cancellationToken)
     {
         var currentUserId = _authHelper.GetCurrentUserId()
                             ?? throw new UnAuthorizedException("کاربر احراز هویت نشده است");
@@ -57,75 +56,21 @@ public class SendMessageCommandHandler : IBaseCommandHandler<SendMessageCommand,
         {
             return OperationResult<MessageDto>.NotFound("تسک یافت نشد");
         }
-        
+
         Guid? uploadedFileId = null;
         if (request.File != null)
         {
-            if (request.File.Length == 0)
+           var uploadedFile =  await _fileUploadService.UploadFileAsync
-            {
+            (
-                return OperationResult<MessageDto>.ValidationError("فایل خالی است");
+                request.File,
-            }
+                FileCategory.TaskChatMessage,
-
+                currentUserId
-            const long maxFileSize = 100 * 1024 * 1024;
-            if (request.File.Length > maxFileSize)
-            {
-                return OperationResult<MessageDto>.ValidationError("حجم فایل بیش از حد مجاز است (حداکثر 100MB)");
-            }
-
-            var fileType = DetectFileType(request.File.ContentType, Path.GetExtension(request.File.FileName));
-
-            var uploadedFile = new UploadedFile(
-                originalFileName: request.File.FileName,
-                fileSizeBytes: request.File.Length,
-                mimeType: request.File.ContentType,
-                fileType: fileType,
-                category: FileCategory.TaskChatMessage,
-                uploadedByUserId: currentUserId,
-                storageProvider: StorageProvider.LocalFileSystem
             );
-
+            if (!uploadedFile.IsSuccess)
-            await _fileRepository.AddAsync(uploadedFile);
-            await _fileRepository.SaveChangesAsync();
-
-            try
             {
-                using var stream = request.File.OpenReadStream();
+                return OperationResult<MessageDto>.Failure(uploadedFile.ErrorMessage ?? "خطا در آپلود فایل");
-                var uploadResult = await _fileStorageService.UploadAsync(
-                    stream,
-                    uploadedFile.UniqueFileName,
-                    "TaskChatMessage"
-                );
-
-                uploadedFile.CompleteUpload(uploadResult.StoragePath, uploadResult.StorageUrl);
-
-                if (fileType == FileType.Image)
-                {
-                    var dimensions = await _thumbnailService.GetImageDimensionsAsync(uploadResult.StoragePath);
-                    if (dimensions.HasValue)
-                    {
-                        uploadedFile.SetImageDimensions(dimensions.Value.Width, dimensions.Value.Height);
-                    }
-
-                    var thumbnail = await _thumbnailService
-                        .GenerateImageThumbnailAsync(uploadResult.StoragePath, category: "TaskChatMessage");
-                    if (thumbnail.HasValue)
-                    {
-                        uploadedFile.SetThumbnail(thumbnail.Value.ThumbnailUrl);
-                    }
-                }
-
-                await _fileRepository.UpdateAsync(uploadedFile);
-                await _fileRepository.SaveChangesAsync();
-
-                uploadedFileId = uploadedFile.Id;
-            }
-            catch (Exception ex)
-            {
-                await _fileRepository.DeleteAsync(uploadedFile);
-                await _fileRepository.SaveChangesAsync();
-
-                return OperationResult<MessageDto>.ValidationError($"خطا در آپلود فایل: {ex.Message}");
             }
+            uploadedFileId = uploadedFile.FileId!.Value;
         }
 
         var message = new TaskChatMessage(
@@ -209,4 +154,4 @@ public class SendMessageCommandHandler : IBaseCommandHandler<SendMessageCommand,
 
         return FileType.Document;
     }
-}
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Services/FileManagement/IFileUploadService.cs

@@ -0,0 +1,69 @@
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+using Microsoft.AspNetCore.Http;
+
+namespace GozareshgirProgramManager.Application.Services.FileManagement;
+
+/// <summary>
+/// سرویس آپلود و مدیریت کامل فایل
+/// این سرویس تمام مراحل آپلود، ذخیره، تولید thumbnail و... را انجام می‌دهد
+/// </summary>
+public interface IFileUploadService
+{
+    /// <summary>
+    /// آپلود فایل با تمام مراحل پردازش
+    /// </summary>
+    /// <param name="file">فایل برای آپلود</param>
+    /// <param name="category">دسته‌بندی فایل</param>
+    /// <param name="uploadedByUserId">شناسه کاربر آپلودکننده</param>
+    /// <param name="maxFileSizeBytes">حداکثر حجم مجاز فایل (پیش‌فرض: 100MB)</param>
+    /// <returns>شناسه فایل آپلود شده یا null در صورت خطا</returns>
+    Task<FileUploadResult> UploadFileAsync(
+        IFormFile file,
+        FileCategory category,
+        long uploadedByUserId,
+        long maxFileSizeBytes = 100 * 1024 * 1024);
+    
+    /// <summary>
+    /// آپلود فایل با Stream
+    /// </summary>
+    Task<FileUploadResult> UploadFileFromStreamAsync(
+        Stream fileStream,
+        string fileName,
+        string contentType,
+        FileCategory category,
+        long uploadedByUserId,
+        long maxFileSizeBytes = 100 * 1024 * 1024);
+}
+
+/// <summary>
+/// نتیجه عملیات آپلود فایل
+/// </summary>
+public class FileUploadResult
+{
+    public bool IsSuccess { get; set; }
+    public Guid? FileId { get; set; }
+    public string? ErrorMessage { get; set; }
+    public string? StorageUrl { get; set; }
+    public string? ThumbnailUrl { get; set; }
+
+    public static FileUploadResult Success(Guid fileId, string storageUrl, string? thumbnailUrl = null)
+    {
+        return new FileUploadResult
+        {
+            IsSuccess = true,
+            FileId = fileId,
+            StorageUrl = storageUrl,
+            ThumbnailUrl = thumbnailUrl
+        };
+    }
+
+    public static FileUploadResult Failed(string errorMessage)
+    {
+        return new FileUploadResult
+        {
+            IsSuccess = false,
+            ErrorMessage = errorMessage
+        };
+    }
+}
+

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/DependencyInjection.cs

@@ -92,6 +92,7 @@ public static class DependencyInjection
         // File Storage Services
         services.AddScoped<IFileStorageService, Services.FileManagement.LocalFileStorageService>();
         services.AddScoped<IThumbnailGeneratorService, Services.FileManagement.ThumbnailGeneratorService>();
+        services.AddScoped<IFileUploadService, Services.FileManagement.FileUploadService>();
 
         // JWT Settings
         services.Configure<JwtSettings>(configuration.GetSection("JwtSettings"));

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Services/FileManagement/FileUploadService.cs

@@ -0,0 +1,247 @@
+using GozareshgirProgramManager.Application.Services.FileManagement;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Repositories;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+
+namespace GozareshgirProgramManager.Infrastructure.Services.FileManagement;
+
+/// <summary>
+/// پیاده‌سازی سرویس آپلود کامل فایل
+/// </summary>
+public class FileUploadService : IFileUploadService
+{
+    private readonly IUploadedFileRepository _fileRepository;
+    private readonly IFileStorageService _fileStorageService;
+    private readonly IThumbnailGeneratorService _thumbnailService;
+    private readonly ILogger<FileUploadService> _logger;
+
+    public FileUploadService(
+        IUploadedFileRepository fileRepository,
+        IFileStorageService fileStorageService,
+        IThumbnailGeneratorService thumbnailService,
+        ILogger<FileUploadService> logger)
+    {
+        _fileRepository = fileRepository;
+        _fileStorageService = fileStorageService;
+        _thumbnailService = thumbnailService;
+        _logger = logger;
+    }
+
+    public async Task<FileUploadResult> UploadFileAsync(
+        IFormFile file,
+        FileCategory category,
+        long uploadedByUserId,
+        long maxFileSizeBytes = 100 * 1024 * 1024)
+    {
+        try
+        {
+            // اعتبارسنجی ورودی
+            if (file.Length == 0)
+            {
+                return FileUploadResult.Failed("فایل خالی است");
+            }
+
+            if (file.Length > maxFileSizeBytes)
+            {
+                var maxSizeMb = maxFileSizeBytes / (1024 * 1024);
+                return FileUploadResult.Failed($"حجم فایل بیش از حد مجاز است (حداکثر {maxSizeMb}MB)");
+            }
+
+            using var stream = file.OpenReadStream();
+            return await UploadFileFromStreamAsync(
+                stream,
+                file.FileName,
+                file.ContentType,
+                category,
+                uploadedByUserId,
+                maxFileSizeBytes);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "خطا در آپلود فایل {FileName}", file.FileName);
+            return FileUploadResult.Failed($"خطا در آپلود فایل: {ex.Message}");
+        }
+    }
+
+    public async Task<FileUploadResult> UploadFileFromStreamAsync(
+        Stream fileStream,
+        string fileName,
+        string contentType,
+        FileCategory category,
+        long uploadedByUserId,
+        long maxFileSizeBytes = 100 * 1024 * 1024)
+    {
+        UploadedFile? uploadedFile = null;
+
+        try
+        {
+            // تشخیص نوع فایل
+            var fileType = DetectFileType(contentType, Path.GetExtension(fileName));
+
+            // ایجاد رکورد فایل در دیتابیس
+            uploadedFile = new UploadedFile(
+                originalFileName: fileName,
+                fileSizeBytes: fileStream.Length,
+                mimeType: contentType,
+                fileType: fileType,
+                category: category,
+                uploadedByUserId: uploadedByUserId,
+                storageProvider: StorageProvider.LocalFileSystem
+            );
+
+            await _fileRepository.AddAsync(uploadedFile);
+            await _fileRepository.SaveChangesAsync();
+
+            // آپلود فایل به استوریج
+            var categoryFolder = GetCategoryFolderName(category);
+            var uploadResult = await _fileStorageService.UploadAsync(
+                fileStream,
+                uploadedFile.UniqueFileName,
+                categoryFolder
+            );
+
+            // به‌روزرسانی اطلاعات آپلود
+            uploadedFile.CompleteUpload(uploadResult.StoragePath, uploadResult.StorageUrl);
+
+            // پردازش‌های خاص بر اساس نوع فایل
+            string? thumbnailUrl = null;
+            if (fileType == FileType.Image)
+            {
+                thumbnailUrl = await ProcessImageAsync(uploadedFile, uploadResult.StoragePath, categoryFolder);
+            }
+            else if (fileType == FileType.Video)
+            {
+                thumbnailUrl = await ProcessVideoAsync(uploadedFile, uploadResult.StoragePath, categoryFolder);
+            }
+
+            // ذخیره تغییرات نهایی
+            await _fileRepository.UpdateAsync(uploadedFile);
+            await _fileRepository.SaveChangesAsync();
+
+            _logger.LogInformation(
+                "فایل {FileName} با شناسه {FileId} با موفقیت آپلود شد",
+                fileName,
+                uploadedFile.Id);
+
+            return FileUploadResult.Success(uploadedFile.Id, uploadResult.StorageUrl, thumbnailUrl);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "خطا در آپلود فایل {FileName}", fileName);
+
+            // در صورت خطا، فایل آپلود شده را حذف کنیم
+            if (uploadedFile != null)
+            {
+                try
+                {
+                    await _fileRepository.DeleteAsync(uploadedFile);
+                    await _fileRepository.SaveChangesAsync();
+                }
+                catch (Exception deleteEx)
+                {
+                    _logger.LogError(deleteEx, "خطا در حذف فایل ناموفق {FileId}", uploadedFile.Id);
+                }
+            }
+
+            return FileUploadResult.Failed($"خطا در آپلود فایل: {ex.Message}");
+        }
+    }
+
+    /// <summary>
+    /// پردازش تصویر (ابعاد و thumbnail)
+    /// </summary>
+    private async Task<string?> ProcessImageAsync(UploadedFile file, string storagePath, string categoryFolder)
+    {
+        try
+        {
+            // دریافت ابعاد تصویر
+            var dimensions = await _thumbnailService.GetImageDimensionsAsync(storagePath);
+            if (dimensions.HasValue)
+            {
+                file.SetImageDimensions(dimensions.Value.Width, dimensions.Value.Height);
+            }
+
+            // تولید thumbnail
+            var thumbnail = await _thumbnailService.GenerateImageThumbnailAsync(
+                storagePath,
+                category: categoryFolder);
+
+            if (thumbnail.HasValue)
+            {
+                file.SetThumbnail(thumbnail.Value.ThumbnailUrl);
+                return thumbnail.Value.ThumbnailUrl;
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "خطا در پردازش تصویر {FileId}", file.Id);
+        }
+
+        return null;
+    }
+
+    /// <summary>
+    /// پردازش ویدیو (thumbnail)
+    /// </summary>
+    private async Task<string?> ProcessVideoAsync(UploadedFile file, string storagePath, string categoryFolder)
+    {
+        try
+        {
+            // تولید thumbnail از ویدیو
+            var thumbnail = await _thumbnailService.GenerateVideoThumbnailAsync(
+                storagePath,
+                category: categoryFolder);
+
+            if (thumbnail.HasValue)
+            {
+                file.SetThumbnail(thumbnail.Value.ThumbnailUrl);
+                return thumbnail.Value.ThumbnailUrl;
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "خطا در پردازش ویدیو {FileId}", file.Id);
+        }
+
+        return null;
+    }
+
+    /// <summary>
+    /// تشخیص نوع فایل از روی MIME type و extension
+    /// </summary>
+    private FileType DetectFileType(string mimeType, string extension)
+    {
+        if (mimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Image;
+
+        if (mimeType.StartsWith("video/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Video;
+
+        if (mimeType.StartsWith("audio/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Audio;
+
+        if (new[] { ".zip", ".rar", ".7z", ".tar", ".gz" }.Contains(extension.ToLower()))
+            return FileType.Archive;
+
+        return FileType.Document;
+    }
+
+    /// <summary>
+    /// دریافت نام پوشه بر اساس دسته‌بندی
+    /// </summary>
+    private string GetCategoryFolderName(FileCategory category)
+    {
+        return category switch
+        {
+            FileCategory.TaskChatMessage => "TaskChatMessage",
+            FileCategory.TaskAttachment => "TaskAttachment",
+            FileCategory.ProjectDocument => "ProjectDocument",
+            FileCategory.UserProfilePhoto => "UserProfilePhoto",
+            FileCategory.Report => "Report",
+            _ => "Other"
+        };
+    }
+}
+