Add validators and services for Product Galleries and Product Tags

- Implemented Create, Delete, Get, and Update validators for Product Galleries.
- Added Create, Delete, Get, and Update validators for Product Tags.
- Created service classes for handling Discount Categories, Discount Orders, Discount Products, Discount Shopping Cart, Product Categories, Product Galleries, and Product Tags.
- Each service class integrates with CQRS for command and query handling.
- Established mapping profiles for Product Galleries.

src/CMSMicroservice.Application/OrderManagementCQ/Commands/CancelOrderByAdmin/CancelOrderByAdminCommand.cs

@@ -0,0 +1,13 @@
+using MediatR;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.CancelOrderByAdmin;
+
+/// <summary>
+/// دستور لغو سفارش توسط Admin
+/// </summary>
+public class CancelOrderByAdminCommand : IRequest<Unit>
+{
+    public long OrderId { get; set; }
+    public string CancelReason { get; set; } = string.Empty;
+    public bool RefundToWallet { get; set; } = true;
+}

src/CMSMicroservice.Application/OrderManagementCQ/Commands/CancelOrderByAdmin/CancelOrderByAdminCommandHandler.cs

@@ -0,0 +1,100 @@
+using CMSMicroservice.Application.Common.Interfaces;
+using CMSMicroservice.Domain.Enums;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.CancelOrderByAdmin;
+
+public class CancelOrderByAdminCommandHandler : IRequestHandler<CancelOrderByAdminCommand, Unit>
+{
+    private readonly IApplicationDbContext _context;
+    private readonly ICurrentUserService _currentUser;
+    private readonly ILogger<CancelOrderByAdminCommandHandler> _logger;
+
+    public CancelOrderByAdminCommandHandler(
+        IApplicationDbContext context,
+        ICurrentUserService currentUser,
+        ILogger<CancelOrderByAdminCommandHandler> logger)
+    {
+        _context = context;
+        _currentUser = currentUser;
+        _logger = logger;
+    }
+
+    public async Task<Unit> Handle(CancelOrderByAdminCommand request, CancellationToken cancellationToken)
+    {
+        // بررسی Admin
+        if (string.IsNullOrEmpty(_currentUser.UserId))
+        {
+            throw new UnauthorizedAccessException("کاربر احراز هویت نشده است");
+        }
+
+        var order = await _context.UserOrders
+            .Include(x => x.User)
+            .ThenInclude(x => x.UserWallets)
+            .FirstOrDefaultAsync(x => x.Id == request.OrderId && !x.IsDeleted, cancellationToken);
+
+        if (order == null)
+        {
+            throw new KeyNotFoundException($"سفارش با شناسه {request.OrderId} یافت نشد");
+        }
+
+        if (order.DeliveryStatus == DeliveryStatus.Cancelled)
+        {
+            throw new InvalidOperationException("این سفارش قبلاً لغو شده است");
+        }
+
+        if (order.DeliveryStatus == DeliveryStatus.Delivered)
+        {
+            throw new InvalidOperationException("سفارش تحویل داده شده را نمی‌توان لغو کرد");
+        }
+
+        // تغییر وضعیت به لغو شده
+        order.DeliveryStatus = DeliveryStatus.Cancelled;
+        order.DeliveryDescription = $"لغو توسط Admin: {request.CancelReason}";
+
+        // بازگشت وجه به کیف پول
+        if (request.RefundToWallet && order.PaymentMethod == PaymentMethod.Wallet)
+        {
+            var wallet = order.User.UserWallets.FirstOrDefault();
+            if (wallet != null)
+            {
+                var walletLog = new UserWalletChangeLog
+                {
+                    WalletId = wallet.Id,
+                    CurrentBalance = wallet.Balance,
+                    CurrentNetworkBalance = wallet.NetworkBalance,
+                    CurrentDiscountBalance = wallet.DiscountBalance,
+                    ChangeValue = order.Amount,
+                    ChangeDiscountValue = 0,
+                    IsIncrease = true,
+                    RefrenceId = order.Id
+                };
+
+                wallet.Balance += order.Amount;
+                
+                await _context.UserWalletChangeLogs.AddAsync(walletLog, cancellationToken);
+                
+                _logger.LogInformation(
+                    "Refund processed. OrderId: {OrderId}, Amount: {Amount}, UserId: {UserId}",
+                    order.Id,
+                    order.Amount,
+                    order.UserId
+                );
+            }
+        }
+
+        await _context.SaveChangesAsync(cancellationToken);
+
+        _logger.LogInformation(
+            "Order cancelled by admin. OrderId: {OrderId}, Reason: {Reason}, Refunded: {Refunded}, Admin: {AdminId}",
+            order.Id,
+            request.CancelReason,
+            request.RefundToWallet,
+            _currentUser.UserId
+        );
+
+        return Unit.Value;
+    }
+}

src/CMSMicroservice.Application/OrderManagementCQ/Commands/CancelOrderByAdmin/CancelOrderByAdminCommandValidator.cs

@@ -0,0 +1,16 @@
+using FluentValidation;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.CancelOrderByAdmin;
+
+public class CancelOrderByAdminCommandValidator : AbstractValidator<CancelOrderByAdminCommand>
+{
+    public CancelOrderByAdminCommandValidator()
+    {
+        RuleFor(x => x.OrderId)
+            .GreaterThan(0).WithMessage("شناسه سفارش نامعتبر است");
+
+        RuleFor(x => x.CancelReason)
+            .NotEmpty().WithMessage("دلیل لغو الزامی است")
+            .MaximumLength(500).WithMessage("دلیل لغو نمی‌تواند بیشتر از 500 کاراکتر باشد");
+    }
+}

src/CMSMicroservice.Application/OrderManagementCQ/Commands/UpdateOrderStatus/UpdateOrderStatusCommand.cs

@@ -0,0 +1,15 @@
+using CMSMicroservice.Domain.Enums;
+using MediatR;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.UpdateOrderStatus;
+
+/// <summary>
+/// دستور تغییر وضعیت ارسال سفارش (Admin)
+/// </summary>
+public class UpdateOrderStatusCommand : IRequest<Unit>
+{
+    public long OrderId { get; set; }
+    public DeliveryStatus NewStatus { get; set; }
+    public string? TrackingCode { get; set; }
+    public string? Description { get; set; }
+}

src/CMSMicroservice.Application/OrderManagementCQ/Commands/UpdateOrderStatus/UpdateOrderStatusCommandHandler.cs

@@ -0,0 +1,66 @@
+using CMSMicroservice.Application.Common.Interfaces;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.UpdateOrderStatus;
+
+public class UpdateOrderStatusCommandHandler : IRequestHandler<UpdateOrderStatusCommand, Unit>
+{
+    private readonly IApplicationDbContext _context;
+    private readonly ICurrentUserService _currentUser;
+    private readonly ILogger<UpdateOrderStatusCommandHandler> _logger;
+
+    public UpdateOrderStatusCommandHandler(
+        IApplicationDbContext context,
+        ICurrentUserService currentUser,
+        ILogger<UpdateOrderStatusCommandHandler> logger)
+    {
+        _context = context;
+        _currentUser = currentUser;
+        _logger = logger;
+    }
+
+    public async Task<Unit> Handle(UpdateOrderStatusCommand request, CancellationToken cancellationToken)
+    {
+        // بررسی Admin
+        if (string.IsNullOrEmpty(_currentUser.UserId))
+        {
+            throw new UnauthorizedAccessException("کاربر احراز هویت نشده است");
+        }
+
+        var order = await _context.UserOrders
+            .FirstOrDefaultAsync(x => x.Id == request.OrderId && !x.IsDeleted, cancellationToken);
+
+        if (order == null)
+        {
+            throw new KeyNotFoundException($"سفارش با شناسه {request.OrderId} یافت نشد");
+        }
+
+        var oldStatus = order.DeliveryStatus;
+        
+        order.DeliveryStatus = request.NewStatus;
+        
+        if (!string.IsNullOrEmpty(request.TrackingCode))
+        {
+            order.TrackingCode = request.TrackingCode.Trim();
+        }
+        
+        if (!string.IsNullOrEmpty(request.Description))
+        {
+            order.DeliveryDescription = request.Description.Trim();
+        }
+
+        await _context.SaveChangesAsync(cancellationToken);
+
+        _logger.LogInformation(
+            "Order status updated by admin. OrderId: {OrderId}, OldStatus: {OldStatus}, NewStatus: {NewStatus}, Admin: {AdminId}",
+            order.Id,
+            oldStatus,
+            request.NewStatus,
+            _currentUser.UserId
+        );
+
+        return Unit.Value;
+    }
+}

src/CMSMicroservice.Application/OrderManagementCQ/Commands/UpdateOrderStatus/UpdateOrderStatusCommandValidator.cs

@@ -0,0 +1,23 @@
+using FluentValidation;
+
+namespace CMSMicroservice.Application.OrderManagementCQ.Commands.UpdateOrderStatus;
+
+public class UpdateOrderStatusCommandValidator : AbstractValidator<UpdateOrderStatusCommand>
+{
+    public UpdateOrderStatusCommandValidator()
+    {
+        RuleFor(x => x.OrderId)
+            .GreaterThan(0).WithMessage("شناسه سفارش نامعتبر است");
+
+        RuleFor(x => x.NewStatus)
+            .IsInEnum().WithMessage("وضعیت ارسال نامعتبر است");
+
+        RuleFor(x => x.TrackingCode)
+            .MaximumLength(50).WithMessage("کد رهگیری نمی‌تواند بیشتر از 50 کاراکتر باشد")
+            .When(x => !string.IsNullOrEmpty(x.TrackingCode));
+
+        RuleFor(x => x.Description)
+            .MaximumLength(500).WithMessage("توضیحات نمی‌تواند بیشتر از 500 کاراکتر باشد")
+            .When(x => !string.IsNullOrEmpty(x.Description));
+    }
+}