feat: Implement Public Message Management Commands and Queries

- Add GetUserPackageStatusQueryValidator for user package status validation.
- Create ArchiveMessageCommand and ArchiveMessageCommandHandler for archiving public messages.
- Implement ArchiveMessageCommandValidator to validate message ID.
- Introduce PublishMessageCommand and PublishMessageCommandHandler for publishing messages.
- Add PublishMessageCommandValidator for validating publish message requests.
- Implement GetPublicMessageQuery and GetPublicMessageQueryHandler for retrieving public messages.
- Create GetPublicMessageQueryValidator for validating public message requests.
- Add ApplyDiscountToOrderCommand and ApplyDiscountToOrderCommandHandler for applying discounts to orders.
- Implement ApplyDiscountToOrderCommandValidator for validating discount application requests.
- Create UpdateOrderStatusCommand and UpdateOrderStatusCommandHandler for changing order statuses.
- Implement UpdateOrderStatusCommandValidator for validating order status updates.
- Add CalculateOrderPVQuery and CalculateOrderPVQueryHandler for calculating order PV.
- Implement CalculateOrderPVQueryValidator for validating PV calculation requests.
- Create GetOrdersByDateRangeQuery and GetOrdersByDateRangeQueryHandler for retrieving orders by date range.
- Implement GetOrdersByDateRangeQueryValidator for validating date range queries.
- Add PublicMessage entity to represent public messages in the system.
- Implement PublicMessageService for handling public message operations via gRPC.

src/CMSMicroservice.Protobuf/Protos/userorder.proto

@@ -55,6 +55,30 @@ service UserOrderContract
             body: "*"
         };
     };
+    
+    // Order Management
+    rpc UpdateOrderStatus(UpdateOrderStatusRequest) returns (UpdateOrderStatusResponse){
+        option (google.api.http) = {
+            post: "/UpdateOrderStatus"
+            body: "*"
+        };
+    };
+    rpc GetOrdersByDateRange(GetOrdersByDateRangeRequest) returns (GetOrdersByDateRangeResponse){
+        option (google.api.http) = {
+            get: "/GetOrdersByDateRange"
+        };
+    };
+    rpc ApplyDiscountToOrder(ApplyDiscountToOrderRequest) returns (ApplyDiscountToOrderResponse){
+        option (google.api.http) = {
+            post: "/ApplyDiscountToOrder"
+            body: "*"
+        };
+    };
+    rpc CalculateOrderPV(CalculateOrderPVRequest) returns (CalculateOrderPVResponse){
+        option (google.api.http) = {
+            get: "/CalculateOrderPV"
+        };
+    };
 }
 message CreateNewUserOrderRequest
 {
@@ -247,3 +271,85 @@ message CancelOrderResponse
     string message = 3;
     bool refund_processed = 4;
 }
+
+// Order Management Messages
+message UpdateOrderStatusRequest
+{
+    int64 order_id = 1;
+    int32 new_status = 2;
+}
+
+message UpdateOrderStatusResponse
+{
+    bool success = 1;
+    string message = 2;
+    int32 old_status = 3;
+    int32 new_status = 4;
+}
+
+message GetOrdersByDateRangeRequest
+{
+    google.protobuf.Timestamp start_date = 1;
+    google.protobuf.Timestamp end_date = 2;
+    google.protobuf.Int32Value status = 3;
+    google.protobuf.Int64Value user_id = 4;
+    int32 page_number = 5;
+    int32 page_size = 6;
+}
+
+message GetOrdersByDateRangeResponse
+{
+    messages.MetaData meta_data = 1;
+    repeated OrderSummaryDto orders = 2;
+}
+
+message OrderSummaryDto
+{
+    int64 order_id = 1;
+    string order_number = 2;
+    int64 user_id = 3;
+    string user_full_name = 4;
+    int64 total_amount = 5;
+    int32 status = 6;
+    string status_name = 7;
+    int32 items_count = 8;
+    google.protobuf.Timestamp created_at = 9;
+}
+
+message ApplyDiscountToOrderRequest
+{
+    int64 order_id = 1;
+    int64 discount_amount = 2;
+    string reason = 3;
+}
+
+message ApplyDiscountToOrderResponse
+{
+    bool success = 1;
+    string message = 2;
+    int64 original_amount = 3;
+    int64 discount_amount = 4;
+    int64 final_amount = 5;
+}
+
+message CalculateOrderPVRequest
+{
+    int64 order_id = 1;
+}
+
+message CalculateOrderPVResponse
+{
+    int64 order_id = 1;
+    int64 total_pv = 2;
+    repeated ProductPVDto products = 3;
+}
+
+message ProductPVDto
+{
+    int64 product_id = 1;
+    string product_title = 2;
+    int32 quantity = 3;
+    int64 unit_pv = 4;
+    int64 total_pv = 5;
+}
+