feat: Add ClearCart command and response, implement CancelOrder command with validation, and enhance DeliveryStatus and User models

src/CMSMicroservice.Protobuf/Protos/transactions.proto

@@ -43,6 +43,18 @@ service TransactionsContract
             
         };
     };
+    rpc VerifyTransaction(VerifyTransactionRequest) returns (VerifyTransactionResponse){
+        option (google.api.http) = {
+            post: "/VerifyTransaction"
+            body: "*"
+        };
+    };
+    rpc RefundTransaction(RefundTransactionRequest) returns (RefundTransactionResponse){
+        option (google.api.http) = {
+            post: "/RefundTransaction"
+            body: "*"
+        };
+    };
 }
 message CreateNewTransactionsRequest
 {
@@ -146,3 +158,36 @@ message GetAllTransactionsByFilterResponseModel
         messages.TransactionType type = 7;
     }
 }
+
+// VerifyTransaction Messages
+message VerifyTransactionRequest
+{
+    int64 transaction_id = 1;
+    string ref_id = 2;
+    messages.PaymentStatus status = 3;
+    google.protobuf.Timestamp payment_date = 4;
+}
+
+message VerifyTransactionResponse
+{
+    int64 transaction_id = 1;
+    messages.PaymentStatus status = 2;
+    string ref_id = 3;
+    string message = 4;
+}
+
+// RefundTransaction Messages
+message RefundTransactionRequest
+{
+    int64 transaction_id = 1;
+    string refund_reason = 2;
+    google.protobuf.Int64Value refund_amount = 3;
+}
+
+message RefundTransactionResponse
+{
+    int64 original_transaction_id = 1;
+    int64 refund_transaction_id = 2;
+    int64 refund_amount = 3;
+    string message = 4;
+}