refactor and add using constants instead of hard coded strings ...

DI/XDIHelperExtension.cs

@@ -10,6 +10,7 @@ using xDataService.Models;
 using xExceptions.Constants;
 using xPushService.DI;
 using xPushService.Helpers;
+using xWebinarService.Constants;
 using xWebinarService.Helpers;
 using xWebinarService.Interfaces.Dtos;
 using xWebinarService.Interfaces.Entities;
@@ -78,12 +79,12 @@ namespace xWebinarService.DI
             var pushHelper = new XPushServiceHelper();
 
             //
-            pushHelper.AddHub<XWebinarDtoHub>("webinarDto");
-            pushHelper.AddHub<XWebinarEntityHub>("webinarEntity");
+            pushHelper.AddHub<XWebinarDtoHub>(XWebinarServiceConstants.XWebinarDtoHub);
+            pushHelper.AddHub<XWebinarEntityHub>(XWebinarServiceConstants.XWebinarEntityHub);
 
             //
-            pushHelper.AddHub<XWebinarSubscriberDtoHub>("webinarSubscriberDto");
-            pushHelper.AddHub<XWebinarSubscriberEntityHub>("webinarSubscriberEntity");
+            pushHelper.AddHub<XWebinarSubscriberDtoHub>(XWebinarServiceConstants.XWebinarSubscriberDtoHub);
+            pushHelper.AddHub<XWebinarSubscriberEntityHub>(XWebinarServiceConstants.XWebinarSubscriberEntityHub);
 
             //
             app.UseXPushService(pushHelper);
@@ -120,7 +121,7 @@ namespace xWebinarService.DI
         /// <summary>
         /// a LogTag for Service ...
         /// </summary>
-        private static string XLogTag = "XWebinarService";
+        private static string XLogTag = XWebinarServiceConstants.XWebinarServiceDILogTag;
 
         /// <summary>
         /// print a log in Console ...
@@ -193,17 +194,17 @@ namespace xWebinarService.DI
                     //
                     webinarDescriptor = typeof(XWebinarServiceHelper)
                         .InvokeGenericMethod<XRepositoryDescriptor>(
-                            methodName: "GetXWebinarEFRepositoryDescriptor",
+                            args: null,
                             runtimeType: contextType,
-                            args: null
+                            methodName: XWebinarServiceConstants.GetXWebinarEFRepositoryDescriptor
                     );
 
                     //
                     webinarSubscriberDescriptor = typeof(XWebinarServiceHelper)
                         .InvokeGenericMethod<XRepositoryDescriptor>(
-                            methodName: "GetXWebinarSubscriberEFRepositoryDescriptor",
+                            args: null,
                             runtimeType: contextType,
-                            args: null
+                            methodName: XWebinarServiceConstants.GetXWebinarSubscriberEFRepositoryDescriptor
                     );
                     break;