Introduce ITenantResolveResultAccessor.

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/CookieTenantResolveContributor.cs

@@ -5,6 +5,10 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class CookieTenantResolveContributor : HttpTenantResolveContributorBase
     {
+        public const string ContributorName = "Cookie";
+
+        public override string Name => ContributorName;
+
         protected override string GetTenantIdOrNameFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             return httpContext.Request?.Cookies[context.GetAspNetCoreMultiTenancyOptions().TenantKey];

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/DomainTenantResolveContributor.cs

@@ -9,6 +9,10 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 
     public class DomainTenantResolveContributor : HttpTenantResolveContributorBase
     {
+        public const string ContributorName = "Domain";
+
+        public override string Name => ContributorName;
+
         private static readonly string[] ProtocolPrefixes = { "http://", "https://" };
 
         private readonly string _domainFormat;

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/HeaderTenantResolveContributor.cs

@@ -9,6 +9,10 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class HeaderTenantResolveContributor : HttpTenantResolveContributorBase
     {
+        public const string ContributorName = "Header";
+
+        public override string Name => ContributorName;
+
         protected override string GetTenantIdOrNameFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             if (httpContext.Request == null || httpContext.Request.Headers.IsNullOrEmpty())

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/HttpContextTenantResolveResultAccessor.cs

@@ -0,0 +1,40 @@
+using JetBrains.Annotations;
+using Microsoft.AspNetCore.Http;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.MultiTenancy;
+
+namespace Volo.Abp.AspNetCore.MultiTenancy
+{
+    public class HttpContextTenantResolveResultAccessor : ITenantResolveResultAccessor, ITransientDependency
+    {
+        [CanBeNull]
+        public TenantResolveResult Result
+        {
+            get
+            {
+                if (_httpContextAccessor.HttpContext == null)
+                {
+                    return null;
+                }
+
+                return _httpContextAccessor.HttpContext.Items[""] as TenantResolveResult;
+            }
+            set
+            {
+                if (_httpContextAccessor.HttpContext == null)
+                {
+                    return;
+                }
+
+                _httpContextAccessor.HttpContext.Items[""] = value;
+            }
+        }
+
+        private readonly IHttpContextAccessor _httpContextAccessor;
+
+        public HttpContextTenantResolveResultAccessor(IHttpContextAccessor httpContextAccessor)
+        {
+            _httpContextAccessor = httpContextAccessor;
+        }
+    }
+}

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/HttpTenantResolveContributerBase.cs

@@ -7,9 +7,9 @@ using Volo.Abp.MultiTenancy;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
-    public abstract class HttpTenantResolveContributorBase : ITenantResolveContributor
+    public abstract class HttpTenantResolveContributorBase : TenantResolveContributorBase
     {
-        public virtual void Resolve(ITenantResolveContext context)
+        public override void Resolve(ITenantResolveContext context)
         {
             var httpContext = context.GetHttpContext();
             if (httpContext == null)

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/ITenantResolveResultAccessor.cs

@@ -0,0 +1,9 @@
+using Volo.Abp.MultiTenancy;
+
+namespace Volo.Abp.AspNetCore.MultiTenancy
+{
+    public interface ITenantResolveResultAccessor
+    {
+        TenantResolveResult Result { get; set; }
+    }
+}

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/MultiTenancyMiddleware.cs

@@ -12,43 +12,44 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
         private readonly ITenantResolver _tenantResolver;
         private readonly ITenantStore _tenantStore;
         private readonly ICurrentTenant _currentTenant;
+        private readonly ITenantResolveResultAccessor _tenantResolveResultAccessor;
 
         public MultiTenancyMiddleware(
             RequestDelegate next,
             ITenantResolver tenantResolver, 
             ITenantStore tenantStore, 
-            ICurrentTenant currentTenant)
+            ICurrentTenant currentTenant, 
+            ITenantResolveResultAccessor tenantResolveResultAccessor)
         {
             _next = next;
             _tenantResolver = tenantResolver;
             _tenantStore = tenantStore;
             _currentTenant = currentTenant;
+            _tenantResolveResultAccessor = tenantResolveResultAccessor;
         }
 
         public async Task Invoke(HttpContext httpContext)
         {
-            var tenant = await ResolveCurrentTenantAsync();
-            using (_currentTenant.Change(tenant?.Id, tenant?.Name))
-            {
-                await _next(httpContext);
-            }
-        }
+            var resolveResult = _tenantResolver.ResolveTenantIdOrName();
+            _tenantResolveResultAccessor.Result = resolveResult;
 
-        private async Task<TenantConfiguration> ResolveCurrentTenantAsync()
-        {
-            var tenantIdOrName = _tenantResolver.ResolveTenantIdOrName();
-            if (tenantIdOrName == null)
+            TenantConfiguration tenant = null;
+            if (resolveResult.TenantIdOrName != null)
             {
-                return null;
+                tenant = await FindTenantAsync(resolveResult.TenantIdOrName);
+                if (tenant == null)
+                {
+                    //TODO: A better exception?
+                    throw new AbpException(
+                        "There is no tenant with given tenant id or name: " + resolveResult.TenantIdOrName
+                    );
+                }
             }
 
-            var tenant = await FindTenantAsync(tenantIdOrName);
-            if (tenant == null)
+            using (_currentTenant.Change(tenant?.Id, tenant?.Name))
             {
-                throw new AbpException("There is no tenant with given tenant id or name: " + tenantIdOrName);
+                await _next(httpContext);
             }
-
-            return tenant;
         }
 
         private async Task<TenantConfiguration> FindTenantAsync(string tenantIdOrName)

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/QueryStringTenantResolveContributor.cs

@@ -5,6 +5,10 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class QueryStringTenantResolveContributor : HttpTenantResolveContributorBase
     {
+        public const string ContributorName = "QueryString";
+
+        public override string Name => ContributorName;
+
         protected override string GetTenantIdOrNameFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             if (httpContext.Request == null || !httpContext.Request.QueryString.HasValue)

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/RouteTenantResolveContributor.cs

@@ -7,6 +7,10 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class RouteTenantResolveContributor : HttpTenantResolveContributorBase
     {
+        public const string ContributorName = "Route";
+
+        public override string Name => ContributorName;
+
         protected override string GetTenantIdOrNameFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             var tenantId = httpContext.GetRouteValue(context.GetAspNetCoreMultiTenancyOptions().TenantKey);

framework/src/Volo.Abp.AspNetCore.Mvc.UI.MultiTenancy/Volo/Abp/AspNetCore/Mvc/UI/MultiTenancy/Localization/en.json

@@ -3,9 +3,9 @@
   "texts": {
     "GivenTenantIsNotAvailable": "Given tenant is not available: {0}",
     "Tenant": "Tenant",
-    "Switch": "Switch",
+    "Switch": "switch",
     "Name": "Name",
     "SwitchTenantHint": "Leave the name field blank to switch to the host side.",
-    "NotSelected": "Seçili değil"
+    "NotSelected": "Not selected"
   }
 }

framework/src/Volo.Abp.AspNetCore.Mvc.UI.MultiTenancy/Volo/Abp/AspNetCore/Mvc/UI/MultiTenancy/Localization/tr.json

@@ -3,9 +3,9 @@
   "texts": {
     "GivenTenantIsNotAvailable": "İstenilen müşteri bulunamadı: {0}",
     "Tenant": "Müşteri",
-    "Switch": "Değiştir",
+    "Switch": "değiştir",
     "Name": "İsim",
     "SwitchTenantHint": "Host tarafına geçmek için isim alanını boş bırakın.",
-    "NotSelected": "Not selected"
+    "NotSelected": "Seçili değil"
   }
 }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/ActionTenantResolveContributor.cs

@@ -3,8 +3,12 @@ using JetBrains.Annotations;
 
 namespace Volo.Abp.MultiTenancy
 {
-    public class ActionTenantResolveContributor : ITenantResolveContributor
+    public class ActionTenantResolveContributor : TenantResolveContributorBase
     {
+        public const string ContributorName = "Action";
+
+        public override string Name => ContributorName;
+
         private readonly Action<ITenantResolveContext> _resolveAction;
 
         public ActionTenantResolveContributor([NotNull] Action<ITenantResolveContext> resolveAction)
@@ -14,7 +18,7 @@ namespace Volo.Abp.MultiTenancy
             _resolveAction = resolveAction;
         }
 
-        public void Resolve(ITenantResolveContext context)
+        public override void Resolve(ITenantResolveContext context)
         {
             _resolveAction(context);
         }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/AsyncLocalCurrentTenantIdAccessor.cs → framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/AsyncLocalCurrentTenantAccessor.cs

@@ -3,7 +3,7 @@ using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.MultiTenancy
 {
-    public class AsyncLocalCurrentTenantIdAccessor : ICurrentTenantIdAccessor, ISingletonDependency
+    public class AsyncLocalCurrentTenantAccessor : ICurrentTenantAccessor, ISingletonDependency
     {
         public BasicTenantInfo Current
         {
@@ -13,7 +13,7 @@ namespace Volo.Abp.MultiTenancy
 
         private readonly AsyncLocal<BasicTenantInfo> _currentScope;
 
-        public AsyncLocalCurrentTenantIdAccessor()
+        public AsyncLocalCurrentTenantAccessor()
         {
             _currentScope = new AsyncLocal<BasicTenantInfo>();
         }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/CurrentClaimsPrincipalTenantResolveContributor.cs

@@ -4,9 +4,13 @@ using Volo.Abp.Security.Claims;
 
 namespace Volo.Abp.MultiTenancy
 {
-    public class CurrentClaimsPrincipalTenantResolveContributor : ITenantResolveContributor
+    public class CurrentClaimsPrincipalTenantResolveContributor : TenantResolveContributorBase
     {
-        public void Resolve(ITenantResolveContext context)
+        public const string ContributorName = "CurrentClaims";
+
+        public override string Name => ContributorName;
+
+        public override void Resolve(ITenantResolveContext context)
         {
             var principal = context.ServiceProvider.GetRequiredService<ICurrentPrincipalAccessor>().Principal;
             if (principal?.Identity?.IsAuthenticated != true)

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/CurrentTenant.cs

@@ -7,15 +7,15 @@ namespace Volo.Abp.MultiTenancy
     {
         public virtual bool IsAvailable => Id.HasValue;
 
-        public virtual Guid? Id => _currentTenantIdAccessor.Current?.TenantId;
+        public virtual Guid? Id => _currentTenantAccessor.Current?.TenantId;
 
-        public string Name => _currentTenantIdAccessor.Current?.Name;
+        public string Name => _currentTenantAccessor.Current?.Name;
 
-        private readonly ICurrentTenantIdAccessor _currentTenantIdAccessor;
+        private readonly ICurrentTenantAccessor _currentTenantAccessor;
 
-        public CurrentTenant(ICurrentTenantIdAccessor currentTenantIdAccessor)
+        public CurrentTenant(ICurrentTenantAccessor currentTenantAccessor)
         {
-            _currentTenantIdAccessor = currentTenantIdAccessor;
+            _currentTenantAccessor = currentTenantAccessor;
         }
 
         public IDisposable Change(Guid? id, string name = null)
@@ -25,11 +25,11 @@ namespace Volo.Abp.MultiTenancy
 
         private IDisposable SetCurrent(Guid? tenantId, string name = null)
         {
-            var parentScope = _currentTenantIdAccessor.Current;
-            _currentTenantIdAccessor.Current = new BasicTenantInfo(tenantId, name);
+            var parentScope = _currentTenantAccessor.Current;
+            _currentTenantAccessor.Current = new BasicTenantInfo(tenantId, name);
             return new DisposeAction(() =>
             {
-                _currentTenantIdAccessor.Current = parentScope;
+                _currentTenantAccessor.Current = parentScope;
             });
         }
     }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/ICurrentTenantAccessor.cs

@@ -0,0 +1,12 @@
+namespace Volo.Abp.MultiTenancy
+{
+    /* A null Current indicates that we haven't set it explicitly.
+     * A null Current.TenantId indicates that we have set null tenant id value explicitly.
+     * A non-null Current.TenantId indicates that we have set a tenant id value explicitly.
+     */
+
+    public interface ICurrentTenantAccessor
+    {
+        BasicTenantInfo Current { get; set; }
+    }
+}

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/ICurrentTenantIdAccessor.cs

@@ -1,13 +0,0 @@
-namespace Volo.Abp.MultiTenancy
-{
-    /* Uses TenantScopeTenantInfoWrapper instead of TenantInfo because being null of Current is different that being null of Current.Tenant.
-    * A null Current indicates that we haven't set it explicitly.
-    * A null Current.Tenant indicates that we have set null tenant value explicitly.
-    * A non-null Current.Tenant indicates that we have set a tenant value explicitly.
-    */
-
-    public interface ICurrentTenantIdAccessor
-    {
-        BasicTenantInfo Current { get; set; }
-    }
-}

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/ITenantResolveContributor.cs

@@ -2,6 +2,8 @@ namespace Volo.Abp.MultiTenancy
 {
     public interface ITenantResolveContributor
     {
+        string Name { get; }
+
         void Resolve(ITenantResolveContext context);
     }
 }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/ITenantResolver.cs

@@ -10,7 +10,7 @@ namespace Volo.Abp.MultiTenancy
         /// <returns>
         /// Tenant id, unique name or null (if could not resolve).
         /// </returns>
-        [CanBeNull]
-        string ResolveTenantIdOrName();
+        [NotNull]
+        TenantResolveResult ResolveTenantIdOrName();
     }
 }

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantResolveContributorBase.cs

@@ -0,0 +1,10 @@
+namespace Volo.Abp.MultiTenancy
+{
+    public abstract class TenantResolveContributorBase : ITenantResolveContributor
+    {
+        public abstract string Name { get; }
+
+        //TODO: We can make this async
+        public abstract void Resolve(ITenantResolveContext context);
+    }
+}

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantResolveResult.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.MultiTenancy
+{
+    public class TenantResolveResult
+    {
+        public string TenantIdOrName { get; set; }
+
+        public List<string> AppliedResolvers { get; }
+
+        public TenantResolveResult()
+        {
+            AppliedResolvers = new List<string>();
+        }
+    }
+}

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/TenantResolver.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using JetBrains.Annotations;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using Volo.Abp.DependencyInjection;
@@ -17,12 +18,9 @@ namespace Volo.Abp.MultiTenancy
             _options = options.Value;
         }
 
-        public string ResolveTenantIdOrName()
+        public TenantResolveResult ResolveTenantIdOrName()
         {
-            if (!_options.TenantResolvers.Any())
-            {
-                return null;
-            }
+            var result = new TenantResolveResult();
 
             using (var serviceScope = _serviceProvider.CreateScope())
             {
@@ -32,15 +30,17 @@ namespace Volo.Abp.MultiTenancy
                 {
                     tenantResolver.Resolve(context);
 
+                    result.AppliedResolvers.Add(tenantResolver.Name);
+
                     if (context.HasResolvedTenantOrHost())
                     {
-                        return context.TenantIdOrName;
+                        result.TenantIdOrName = context.TenantIdOrName;
+                        break;
                     }
                 }
-
-                //Could not find a tenant
-                return null;
             }
+
+            return result;
         }
     }
 }