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/ManualPaymentCQ/Commands/RejectManualPayment/RejectManualPaymentCommand.cs

@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace CMSMicroservice.Application.ManualPaymentCQ.Commands.RejectManualPayment;
+
+/// <summary>
+/// دستور رد پرداخت دستی توسط SuperAdmin
+/// </summary>
+public class RejectManualPaymentCommand : IRequest<bool>
+{
+    /// <summary>
+    /// شناسه ManualPayment
+    /// </summary>
+    public long ManualPaymentId { get; set; }
+
+    /// <summary>
+    /// دلیل رد (الزامی)
+    /// </summary>
+    public string RejectionReason { get; set; } = string.Empty;
+}

src/CMSMicroservice.Application/ManualPaymentCQ/Commands/RejectManualPayment/RejectManualPaymentCommandHandler.cs

@@ -0,0 +1,98 @@
+using CMSMicroservice.Application.Common.Exceptions;
+using CMSMicroservice.Application.Common.Interfaces;
+using CMSMicroservice.Domain.Entities.Payment;
+using CMSMicroservice.Domain.Enums;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace CMSMicroservice.Application.ManualPaymentCQ.Commands.RejectManualPayment;
+
+public class RejectManualPaymentCommandHandler : IRequestHandler<RejectManualPaymentCommand, bool>
+{
+    private readonly IApplicationDbContext _context;
+    private readonly ICurrentUserService _currentUser;
+    private readonly ILogger<RejectManualPaymentCommandHandler> _logger;
+
+    public RejectManualPaymentCommandHandler(
+        IApplicationDbContext context,
+        ICurrentUserService currentUser,
+        ILogger<RejectManualPaymentCommandHandler> logger)
+    {
+        _context = context;
+        _currentUser = currentUser;
+        _logger = logger;
+    }
+
+    public async Task<bool> Handle(
+        RejectManualPaymentCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation(
+                "Rejecting manual payment: {ManualPaymentId}",
+                request.ManualPaymentId
+            );
+
+            // 1. پیدا کردن ManualPayment
+            var manualPayment = await _context.ManualPayments
+                .FirstOrDefaultAsync(m => m.Id == request.ManualPaymentId, cancellationToken);
+
+            if (manualPayment == null)
+            {
+                _logger.LogWarning("ManualPayment not found: {Id}", request.ManualPaymentId);
+                throw new NotFoundException(nameof(ManualPayment), request.ManualPaymentId);
+            }
+
+            // 2. بررسی وضعیت
+            if (manualPayment.Status != ManualPaymentStatus.Pending)
+            {
+                _logger.LogWarning(
+                    "ManualPayment {Id} is not in Pending status: {Status}",
+                    request.ManualPaymentId,
+                    manualPayment.Status
+                );
+                throw new BadRequestException($"فقط درخواست‌های در وضعیت Pending قابل رد هستند. وضعیت فعلی: {manualPayment.Status}");
+            }
+
+            // 3. بررسی SuperAdmin
+            var currentUserId = _currentUser.UserId;
+            if (string.IsNullOrEmpty(currentUserId))
+            {
+                throw new UnauthorizedAccessException("کاربر احراز هویت نشده است");
+            }
+
+            if (!long.TryParse(currentUserId, out var rejectedById))
+            {
+                throw new UnauthorizedAccessException("شناسه کاربر نامعتبر است");
+            }
+
+            // 4. رد درخواست
+            manualPayment.Status = ManualPaymentStatus.Rejected;
+            manualPayment.ApprovedBy = rejectedById;
+            manualPayment.ApprovedAt = DateTime.UtcNow;
+            manualPayment.RejectionReason = request.RejectionReason;
+
+            await _context.SaveChangesAsync(cancellationToken);
+
+            _logger.LogInformation(
+                "Manual payment rejected successfully. Id: {Id}, RejectedBy: {RejectedBy}, Reason: {Reason}",
+                manualPayment.Id,
+                rejectedById,
+                request.RejectionReason
+            );
+
+            return true;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(
+                ex,
+                "Error rejecting manual payment: {ManualPaymentId}",
+                request.ManualPaymentId
+            );
+            throw;
+        }
+    }
+}