Complete FrontOffice BFF to CMS Migration

- Migrated all 9 services from FrontOffice.BFF to CMS architecture
- Enhanced user.proto with 7 additional Customer API endpoints:
  * UpdateCustomerProfile, GetCustomerProfile
  * ChangeCustomerPassword with validation
  * GetCustomerReferrals with commission stats
  * UploadCustomerAvatar with file validation
  * GetCustomerSettings, UpdateCustomerSettings
- All services now support Customer endpoints with /Customer/ prefix
- Mock implementations with realistic Persian data
- Fixed namespace conflicts and compilation issues
- Comprehensive testing completed for all endpoints
- Services migrated: Categories, City, UserCarts, Products, UserWallet,
  Transaction, UserOrder, Package, User (enhanced)

src/CMSMicroservice.Protobuf/Protos/transactions.proto

@@ -55,6 +55,31 @@ service TransactionsContract
             body: "*"
         };
     };
+    
+    // ============= Customer-specific Methods =============
+    
+    rpc GetCustomerTransaction(GetCustomerTransactionRequest) returns (GetCustomerTransactionResponse){
+        option (google.api.http) = {
+            get: "/Customer/GetTransaction"
+        };
+    };
+    rpc GetCustomerTransactionsByFilter(GetCustomerTransactionsByFilterRequest) returns (GetCustomerTransactionsByFilterResponse){
+        option (google.api.http) = {
+            get: "/Customer/GetTransactions"
+        };
+    };
+    rpc CustomerPaymentRequest(CustomerPaymentRequestRequest) returns (CustomerPaymentRequestResponse){
+        option (google.api.http) = {
+            post: "/Customer/PaymentRequest"
+            body: "*"
+        };
+    };
+    rpc CustomerPaymentVerification(CustomerPaymentVerificationRequest) returns (CustomerPaymentVerificationResponse){
+        option (google.api.http) = {
+            post: "/Customer/PaymentVerification"
+            body: "*"
+        };
+    };
 }
 message CreateNewTransactionsRequest
 {
@@ -191,3 +216,131 @@ message RefundTransactionResponse
     int64 refund_amount = 3;
     string message = 4;
 }
+
+// ============= Customer-specific Messages =============
+
+// Customer Transaction Models
+message GetCustomerTransactionRequest
+{
+    google.protobuf.Int64Value id = 1;
+    google.protobuf.StringValue authority = 2;
+}
+
+message GetCustomerTransactionResponse
+{
+    int64 id = 1;
+    string merchant_id = 2;
+    int64 amount = 3;
+    string callback_url = 4;
+    string description = 5;
+    google.protobuf.StringValue mobile = 6;
+    google.protobuf.StringValue email = 7;
+    google.protobuf.Int32Value request_status_code = 8;
+    google.protobuf.StringValue request_status_message = 9;
+    google.protobuf.StringValue authority = 10;
+    google.protobuf.StringValue fee_type = 11;
+    google.protobuf.Int64Value fee = 12;
+    CurrencyEnum currency = 13;
+    bool payment_status = 14;
+    google.protobuf.Int32Value verification_status_code = 15;
+    google.protobuf.StringValue verification_status_message = 16;
+    google.protobuf.StringValue card_hash = 17;
+    google.protobuf.StringValue card_pan = 18;
+    google.protobuf.StringValue ref_id = 19;
+    google.protobuf.StringValue order_id = 20;
+    TransactionTypeEnum type = 21;
+}
+
+// Customer Filter Messages
+message GetCustomerTransactionsByFilterRequest
+{
+    messages.PaginationState pagination_state = 1;
+    google.protobuf.StringValue sort_by = 2;
+    GetCustomerTransactionsByFilterFilter filter = 3;
+}
+
+message GetCustomerTransactionsByFilterFilter
+{
+    google.protobuf.Int64Value id = 1;
+    google.protobuf.Int64Value amount = 2;
+    google.protobuf.StringValue description = 3;
+    google.protobuf.StringValue authority = 4;
+    google.protobuf.BoolValue payment_status = 5;
+    google.protobuf.StringValue ref_id = 6;
+    google.protobuf.StringValue order_id = 7;
+    CurrencyEnum currency = 8;
+    TransactionTypeEnum type = 9;
+}
+
+message GetCustomerTransactionsByFilterResponse
+{
+    messages.MetaData meta_data = 1;
+    repeated GetCustomerTransactionsByFilterResponseModel models = 2;
+}
+
+message GetCustomerTransactionsByFilterResponseModel
+{
+    int64 id = 1;
+    string merchant_id = 2;
+    int64 amount = 3;
+    string callback_url = 4;
+    string description = 5;
+    google.protobuf.StringValue mobile = 6;
+    google.protobuf.StringValue email = 7;
+    google.protobuf.StringValue authority = 8;
+    google.protobuf.Int64Value fee = 9;
+    CurrencyEnum currency = 10;
+    bool payment_status = 11;
+    google.protobuf.StringValue card_hash = 12;
+    google.protobuf.StringValue card_pan = 13;
+    google.protobuf.StringValue ref_id = 14;
+    google.protobuf.StringValue order_id = 15;
+    TransactionTypeEnum type = 16;
+}
+
+// Customer Payment Request/Verification
+message CustomerPaymentRequestRequest
+{
+    int64 amount = 1;
+    string callback_url = 2;
+    google.protobuf.StringValue description = 3;
+    google.protobuf.StringValue mobile = 4;
+    google.protobuf.StringValue email = 5;
+    CurrencyEnum currency = 6;
+    TransactionTypeEnum type = 7;
+    google.protobuf.StringValue order_id = 8;
+}
+
+message CustomerPaymentRequestResponse
+{
+    string payment_g_w_url = 1;
+}
+
+message CustomerPaymentVerificationRequest
+{
+    string authority = 1;
+    string status = 2;
+}
+
+message CustomerPaymentVerificationResponse
+{
+    int64 id = 1;
+    bool payment_status = 2;
+    string message = 3;
+    google.protobuf.StringValue ref_id = 4;
+    google.protobuf.StringValue order_id = 5;
+    google.protobuf.Int32Value verification_status_code = 6;
+}
+
+// Enums for Customer API
+enum CurrencyEnum
+{
+    IRR = 0;
+    IRT = 1;
+}
+
+enum TransactionTypeEnum
+{
+    Real = 0;
+    Sandbox = 1;
+}