Introduce AbpIdentityServerConsts.

src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerConsts.cs

@@ -0,0 +1,9 @@
+namespace Volo.Abp.IdentityServer
+{
+    public static class AbpIdentityServerConsts
+    {
+        public const string DefaultDbTablePrefix = "IdentityServer";
+
+        public const string DefaultDbSchema = null;
+    }
+}

src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContext.cs

@@ -9,9 +9,9 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
 {
     public class IdentityServerDbContext : AbpDbContext<IdentityServerDbContext>, IIdentityServerDbContext
     {
-        public static string TablePrefix { get; set; } = "IdentityServer";
+        public static string TablePrefix { get; set; } = AbpIdentityServerConsts.DefaultDbTablePrefix;
 
-        public static string Schema { get; set; }
+        public static string Schema { get; set; } = AbpIdentityServerConsts.DefaultDbSchema;
 
         public DbSet<ApiResource> ApiResources { get; set; }
 
@@ -58,8 +58,7 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
         protected override void OnModelCreating(ModelBuilder builder)
         {
             base.OnModelCreating(builder);
-
-            this.ConfigureIdentityServer(builder, TablePrefix, Schema);
+            builder.ConfigureIdentityServer(TablePrefix, Schema);
         }
     }
 }

src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContextModelCreatingExtensions.cs

@@ -1,5 +1,4 @@
-using System;
-using JetBrains.Annotations;
+using JetBrains.Annotations;
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp.IdentityServer.ApiResources;
 using Volo.Abp.IdentityServer.Clients;
@@ -10,9 +9,14 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
 {
     public static class IdentityServerDbContextModelCreatingExtensions
     {
-        public static void ConfigureIdentityServer(this IIdentityServerDbContext dbContext, ModelBuilder builder, string tablePrefix = "", [CanBeNull] string schema = null)
+        public static void ConfigureIdentityServer(
+            this ModelBuilder builder, 
+            [CanBeNull] string tablePrefix = AbpIdentityServerConsts.DefaultDbTablePrefix, 
+            [CanBeNull] string schema = AbpIdentityServerConsts.DefaultDbSchema)
         {
-            if (tablePrefix.IsNullOrWhiteSpace())
+            Check.NotNull(builder, nameof(builder));
+
+            if (tablePrefix == null)
             {
                 tablePrefix = "";
             }