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

Configurations/Entities/XFileEntityConfiguration.cs

@@ -2,6 +2,7 @@ using System;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using xDataService.Providers;
+using xFileService.Constants;
 using xFileService.Models.Entities;
 
 namespace xFileService.Configurations.Entities
@@ -10,7 +11,7 @@ namespace xFileService.Configurations.Entities
     {
         public override void Configure(EntityTypeBuilder<XFile> builder)
         {
-            builder.ToTable("Files");
+            builder.ToTable(XFileServiceConstants.XFileTable);
         }
     }
 }

Constants/XFileServiceConstants.cs

@@ -0,0 +1,33 @@
+using xFileService.Models.Entities;
+
+namespace xFileService.Constants
+{
+    public struct XFileServiceConstants
+    {
+        //
+        // Service Extensions Log Tag ...
+        public const string XFileServiceDILogTag = "XFileService";
+
+        //
+        // Table Mapping Identifiers ...
+        public const string XFileTable = "Files";
+
+        //
+        // GraphQL Collection Mappings ...
+        public const string XFileSingleName = "file";
+        public const string XFileCollectionName = "files";
+
+        //
+        // Hubs ...
+        public const string XFileDtoHub = "fileDto";
+        public const string XFileEntityHub = "fileEntity";
+
+        //
+        // Custome Constants ...
+        public const string XFileTagProvided = nameof(XFile);
+
+        //
+        // EF Repositories Helper Extensions ...
+        public const string GetXFileEFRepositoryDescriptor = "GetXFileEFRepositoryDescriptor";
+    }
+}

DI/XDIHelperExtension.cs

@@ -17,6 +17,7 @@ using xFileService.Providers.Dtos;
 using xFileService.Providers.Entities;
 using xFileService.Interfaces;
 using xFileService.Providers;
+using xFileService.Constants;
 
 namespace xFileService.DI
 {
@@ -80,8 +81,8 @@ namespace xFileService.DI
             var pushHelper = new XPushServiceHelper();
 
             //
-            pushHelper.AddHub<XFileDtoHub>("fileDto");
-            pushHelper.AddHub<XFileEntityHub>("fileEntity");
+            pushHelper.AddHub<XFileDtoHub>(XFileServiceConstants.XFileDtoHub);
+            pushHelper.AddHub<XFileEntityHub>(XFileServiceConstants.XFileEntityHub);
 
             //
             app.UseXPushService(pushHelper);
@@ -106,7 +107,7 @@ namespace xFileService.DI
         /// <summary>
         /// a LogTag for Service ...
         /// </summary>
-        private static string XLogTag = "XFileService";
+        private static string XLogTag = XFileServiceConstants.XFileServiceDILogTag;
 
         /// <summary>
         /// print a log in Console ...
@@ -179,9 +180,9 @@ namespace xFileService.DI
                     //
                     descriptor = typeof(XFileServiceHelper)
                         .InvokeGenericMethod<XRepositoryDescriptor>(
-                            methodName: "GetXFileEFRepositoryDescriptor",
+                            args: null,
                             runtimeType: contextType,
-                            args: null
+                            methodName: XFileServiceConstants.GetXFileEFRepositoryDescriptor
                     );
                     break;
 

Interfaces/Entities/IXFileSeeder.cs

@@ -2,7 +2,7 @@ using System;
 using xDataService.Interfaces;
 using xFileService.Models.Entities;
 
-namespace xFileService.Interfaces
+namespace xFileService.Interfaces.Entities
 {
     public interface IXFileSeeder : IXBaseDbSeeder<XFile, Guid>
     { }

Providers/Entities/XFileSeederBase.cs

@@ -1,11 +1,10 @@
 using System;
 using xDataService.Configuration;
 using xDataService.Providers;
-using xFileService.Interfaces;
 using xFileService.Interfaces.Entities;
 using xFileService.Models.Entities;
 
-namespace xFileService.Providers
+namespace xFileService.Providers.Entities
 {
     public abstract class XFileSeederBase : XBaseDbSeeder<XFile, Guid>, IXFileSeeder
     {

Providers/GraphQL/XFileGraphQLTypeHelper.cs

@@ -1,6 +1,7 @@
 using System;
 using xDataService.Configuration;
 using xDataService.GraphQL;
+using xFileService.Constants;
 using xFileService.Interfaces.Entities;
 using xFileService.Models.Entities;
 
@@ -15,12 +16,12 @@ namespace xFileService.Providers.GraphQL
 
         public override string GetInQueryCollectionName()
         {
-            return "files";
+            return XFileServiceConstants.XFileCollectionName;
         }
 
         public override string GetInQuerySingleName()
         {
-            return "file";
+            return XFileServiceConstants.XFileSingleName;
         }
     }
 }

Providers/XFileTagProvider.cs

@@ -1,6 +1,6 @@
 using System;
+using xFileService.Constants;
 using xFileService.Interfaces;
-using xFileService.Models.Entities;
 using xTagService.Interfaces.Dtos;
 using xTagService.Providers;
 
@@ -11,8 +11,8 @@ namespace xFileService.Providers
         public XFileTagProvider(
             IXTagServiceProvider tagProvider
         ) : base(
-            providedFor: nameof(XFile), 
-            tagProvider: tagProvider
+            tagProvider: tagProvider,
+            providedFor: XFileServiceConstants.XFileTagProvided
         )
         { }
     }