feat: Implement Cancel Order functionality with command, handler, and validation

src/BackOffice.BFF.Application/CommissionCQ/Queries/GetWithdrawalRequests/GetWithdrawalRequestsQuery.cs

@@ -21,4 +21,9 @@ public record GetWithdrawalRequestsQuery : IRequest<GetWithdrawalRequestsRespons
     /// فیلتر شناسه کاربر (اختیاری)
     /// </summary>
     public long? UserId { get; init; }
+
+    /// <summary>
+    /// فیلتر شماره شبا / IBAN (اختیاری)
+    /// </summary>
+    public string? IbanNumber { get; init; }
 }

src/BackOffice.BFF.Application/CommissionCQ/Queries/GetWithdrawalRequests/GetWithdrawalRequestsQueryHandler.cs

@@ -29,6 +29,11 @@ public class GetWithdrawalRequestsQueryHandler : IRequestHandler<GetWithdrawalRe
             grpcRequest.UserId = request.UserId.Value;
         }
 
+        if (!string.IsNullOrWhiteSpace(request.IbanNumber))
+        {
+            grpcRequest.IbanNumber = request.IbanNumber;
+        }
+
         var response = await _context.Commissions.GetWithdrawalRequestsAsync(grpcRequest, cancellationToken: cancellationToken);
         return response.Adapt<GetWithdrawalRequestsResponseDto>();
     }

src/BackOffice.BFF.Application/CommissionCQ/Queries/GetWithdrawalRequests/GetWithdrawalRequestsResponseDto.cs

@@ -17,6 +17,9 @@ public record WithdrawalRequestDto
     public string Method { get; init; } = "Bank";
     public string? BankAccount { get; init; }
     public string? BankName { get; init; }
+    public string? BankReferenceId { get; init; }
+    public string? BankTrackingCode { get; init; }
+    public string? PaymentFailureReason { get; init; }
     public DateTime RequestDate { get; init; }
     public DateTime? ProcessedDate { get; init; }
     public string? AdminNote { get; init; }

src/BackOffice.BFF.Application/ProductTagCQ/Queries/GetProductTagsByProduct/GetProductTagsByProductQuery.cs

@@ -0,0 +1,20 @@
+using BackOffice.BFF.Application.ProductTagCQ.Queries.GetProductTagsByProduct;
+
+namespace BackOffice.BFF.Application.ProductTagCQ.Queries.GetProductTagsByProduct;
+
+public record GetProductTagsByProductQuery : IRequest<GetProductTagsByProductResponseDto>
+{
+    public long ProductId { get; init; }
+}
+
+public record ProductTagItemDto
+{
+    public long Id { get; init; }
+    public long TagId { get; init; }
+}
+
+public record GetProductTagsByProductResponseDto
+{
+    public List<ProductTagItemDto> Items { get; init; } = new();
+}
+

src/BackOffice.BFF.Application/ProductTagCQ/Queries/GetProductTagsByProduct/GetProductTagsByProductQueryHandler.cs

@@ -0,0 +1,46 @@
+using BackOffice.BFF.Application.Common.Interfaces;
+using CMSMicroservice.Protobuf.Protos.ProductTag;
+
+namespace BackOffice.BFF.Application.ProductTagCQ.Queries.GetProductTagsByProduct;
+
+public class GetProductTagsByProductQueryHandler : IRequestHandler<GetProductTagsByProductQuery, GetProductTagsByProductResponseDto>
+{
+    private readonly IApplicationContractContext _context;
+
+    public GetProductTagsByProductQueryHandler(IApplicationContractContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<GetProductTagsByProductResponseDto> Handle(GetProductTagsByProductQuery request, CancellationToken cancellationToken)
+    {
+        var grpcRequest = new GetAllProductTagByFilterRequest
+        {
+            PaginationState = new CMSMicroservice.Protobuf.Protos.PaginationState
+            {
+                PageNumber = 1,
+                PageSize = 100
+            },
+            Filter = new GetAllProductTagByFilterFilter
+            {
+                ProductId = request.ProductId
+            }
+        };
+
+        var response = await _context.ProductTags.GetAllProductTagByFilterAsync(grpcRequest, cancellationToken: cancellationToken);
+
+        var dto = new GetProductTagsByProductResponseDto
+        {
+            Items = response.Models
+                .Select(m => new ProductTagItemDto
+                {
+                    Id = m.Id,
+                    TagId = m.TagId
+                })
+                .ToList()
+        };
+
+        return dto;
+    }
+}
+

src/BackOffice.BFF.Application/UserOrderCQ/Commands/CancelOrder/CancelOrderCommand.cs

@@ -0,0 +1,12 @@
+using BackOffice.BFF.UserOrder.Protobuf.Protos.UserOrder;
+using MediatR;
+
+namespace BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
+
+public record CancelOrderCommand : IRequest<CancelOrderResponse>
+{
+    public long OrderId { get; init; }
+    public string CancelReason { get; init; } = string.Empty;
+    public bool RefundPayment { get; init; }
+}
+

src/BackOffice.BFF.Application/UserOrderCQ/Commands/CancelOrder/CancelOrderCommandHandler.cs

@@ -0,0 +1,48 @@
+using BackOffice.BFF.Application.Common.Interfaces;
+using BackOffice.BFF.UserOrder.Protobuf.Protos.UserOrder;
+using CMSMicroservice.Protobuf.Protos.UserOrder;
+using MediatR;
+using Microsoft.Extensions.Logging;
+
+namespace BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
+
+public class CancelOrderCommandHandler : IRequestHandler<CancelOrderCommand, CancelOrderResponse>
+{
+    private readonly IApplicationContractContext _context;
+    private readonly ILogger<CancelOrderCommandHandler> _logger;
+
+    public CancelOrderCommandHandler(
+        IApplicationContractContext context,
+        ILogger<CancelOrderCommandHandler> logger)
+    {
+        _context = context;
+        _logger = logger;
+    }
+
+    public async Task<CancelOrderResponse> Handle(CancelOrderCommand request, CancellationToken cancellationToken)
+    {
+        var grpcRequest = new CMSMicroservice.Protobuf.Protos.UserOrder.CancelOrderRequest
+        {
+            OrderId = request.OrderId,
+            CancelReason = request.CancelReason ?? string.Empty,
+            RefundPayment = request.RefundPayment
+        };
+
+        var response = await _context.UserOrders.CancelOrderAsync(grpcRequest, cancellationToken: cancellationToken);
+
+        _logger.LogInformation(
+            "Cancelled order {OrderId}. Status={Status} RefundProcessed={RefundProcessed}",
+            response.OrderId,
+            response.Status,
+            response.RefundProcessed);
+
+        return new CancelOrderResponse
+        {
+            OrderId = response.OrderId,
+            Status = (int)response.Status,
+            Message = response.Message,
+            RefundProcessed = response.RefundProcessed
+        };
+    }
+}
+

src/BackOffice.BFF.Application/UserOrderCQ/Commands/CancelOrder/CancelOrderCommandValidator.cs

@@ -0,0 +1,67 @@
+using FluentValidation;
+
+namespace BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
+
+public class CancelOrderCommandValidator : AbstractValidator<CancelOrderCommand>
+{
+    public CancelOrderCommandValidator()
+    {
+        RuleFor(x => x.OrderId)
+            .GreaterThan(0)
+            .WithMessage("شناسه سفارش باید بزرگتر از 0 باشد");
+
+        RuleFor(x => x.CancelReason)
+            .NotEmpty()
+            .WithMessage("دلیل لغو سفارش الزامی است");
+    }
+}
+
+*** Add File: BackOffice.BFF/src/BackOffice.BFF.Application/UserOrderCQ/Commands/CancelOrder/CancelOrderCommandHandler.cs
+using BackOffice.BFF.Application.Common.Interfaces;
+using BackOffice.BFF.UserOrder.Protobuf.Protos.UserOrder;
+using CMSMicroservice.Protobuf.Protos.UserOrder;
+using MediatR;
+using Microsoft.Extensions.Logging;
+
+namespace BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
+
+public class CancelOrderCommandHandler : IRequestHandler<CancelOrderCommand, CancelOrderResponse>
+{
+    private readonly IApplicationContractContext _context;
+    private readonly ILogger<CancelOrderCommandHandler> _logger;
+
+    public CancelOrderCommandHandler(
+        IApplicationContractContext context,
+        ILogger<CancelOrderCommandHandler> logger)
+    {
+        _context = context;
+        _logger = logger;
+    }
+
+    public async Task<CancelOrderResponse> Handle(CancelOrderCommand request, CancellationToken cancellationToken)
+    {
+        var grpcRequest = new CMSMicroservice.Protobuf.Protos.UserOrder.CancelOrderRequest
+        {
+            OrderId = request.OrderId,
+            CancelReason = request.CancelReason ?? string.Empty,
+            RefundPayment = request.RefundPayment
+        };
+
+        var response = await _context.UserOrders.CancelOrderAsync(grpcRequest, cancellationToken: cancellationToken);
+
+        _logger.LogInformation(
+            "Cancelled order {OrderId}. Status={Status} RefundProcessed={RefundProcessed}",
+            response.OrderId,
+            response.Status,
+            response.RefundProcessed);
+
+        return new CancelOrderResponse
+        {
+            OrderId = response.OrderId,
+            Status = (int)response.Status,
+            Message = response.Message,
+            RefundProcessed = response.RefundProcessed
+        };
+    }
+}
+

src/BackOffice.BFF.WebApi/Common/Mappings/UserOrderProfile.cs

@@ -3,6 +3,7 @@ namespace BackOffice.BFF.WebApi.Common.Mappings;
 using BackOffice.BFF.UserOrder.Protobuf.Protos.UserOrder;
 using BackOffice.BFF.Application.UserOrderCQ.Commands.UpdateOrderStatus;
 using BackOffice.BFF.Application.UserOrderCQ.Commands.ApplyDiscountToOrder;
+using BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
 using BackOffice.BFF.Application.UserOrderCQ.Queries.GetOrdersByDateRange;
 using BackOffice.BFF.Application.UserOrderCQ.Queries.CalculateOrderPV;
 using Google.Protobuf.WellKnownTypes;
@@ -74,6 +75,11 @@ public class UserOrderProfile : IRegister
             .Map(dest => dest.Quantity, src => src.Quantity)
             .Map(dest => dest.UnitPv, src => src.UnitPV)
             .Map(dest => dest.TotalPv, src => src.TotalPV);
-    }
-}
 
+        // CancelOrder mappings
+        config.NewConfig<CancelOrderRequest, CancelOrderCommand>()
+            .Map(dest => dest.OrderId, src => src.OrderId)
+            .Map(dest => dest.CancelReason, src => src.CancelReason)
+            .Map(dest => dest.RefundPayment, src => src.RefundPayment);
+    }
+}

src/BackOffice.BFF.WebApi/Services/UserOrderService.cs

@@ -7,6 +7,7 @@ using BackOffice.BFF.Application.UserOrderCQ.Queries.GetUserOrder;
 using BackOffice.BFF.Application.UserOrderCQ.Queries.GetAllUserOrderByFilter;
 using BackOffice.BFF.Application.UserOrderCQ.Commands.UpdateOrderStatus;
 using BackOffice.BFF.Application.UserOrderCQ.Commands.ApplyDiscountToOrder;
+using BackOffice.BFF.Application.UserOrderCQ.Commands.CancelOrder;
 using BackOffice.BFF.Application.UserOrderCQ.Queries.GetOrdersByDateRange;
 using BackOffice.BFF.Application.UserOrderCQ.Queries.CalculateOrderPV;
 namespace BackOffice.BFF.WebApi.Services;
@@ -58,4 +59,9 @@ public class UserOrderService : UserOrderContract.UserOrderContractBase
     {
         return await _dispatchRequestToCQRS.Handle<CalculateOrderPVRequest, CalculateOrderPVQuery, CalculateOrderPVResponse>(request, context);
     }
+
+    public override async Task<CancelOrderResponse> CancelOrder(CancelOrderRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<CancelOrderRequest, CancelOrderCommand, CancelOrderResponse>(request, context);
+    }
 }

src/Protobufs/BackOffice.BFF.Commission.Protobuf/Protos/commission.proto

@@ -254,6 +254,7 @@ message GetWithdrawalRequestsRequest
     google.protobuf.StringValue week_number = 3;
     int32 page_index = 4;
     int32 page_size = 5;
+    string iban_number = 6;
 }
 
 message GetWithdrawalRequestsResponse
@@ -277,6 +278,9 @@ message WithdrawalRequestModel
     string processed_by = 11;
     string reason = 12;
     google.protobuf.Timestamp created = 13;
+    string bank_reference_id = 14;
+    string bank_tracking_code = 15;
+    string payment_failure_reason = 16;
 }
 
 // ============ Worker Control APIs ============

src/Protobufs/BackOffice.BFF.UserOrder.Protobuf/Protos/userorder.proto

@@ -64,6 +64,12 @@ service UserOrderContract
     };
     
     // Order Management
+    rpc CancelOrder(CancelOrderRequest) returns (CancelOrderResponse){
+        option (google.api.http) = {
+            post: "/CancelOrder"
+            body: "*"
+        };
+    };
     rpc UpdateOrderStatus(UpdateOrderStatusRequest) returns (UpdateOrderStatusResponse){
         option (google.api.http) = {
             post: "/UpdateOrderStatus"
@@ -342,3 +348,19 @@ message DecimalValue
 
     sfixed32 nanos = 2;
 }
+
+// CancelOrder Messages
+message CancelOrderRequest
+{
+    int64 order_id = 1;
+    string cancel_reason = 2;
+    bool refund_payment = 3;
+}
+
+message CancelOrderResponse
+{
+    int64 order_id = 1;
+    int32 status = 2;
+    string message = 3;
+    bool refund_processed = 4;
+}