Improve localization, add BusinessException

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ExceptionHandling/AbpExceptionFilter.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Abstractions;
 using Microsoft.AspNetCore.Mvc.Filters;
@@ -47,8 +48,12 @@ namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
                 return true;
             }
 
-            var accept = context.HttpContext.Request.Headers["Accept"];
-            if (accept.ToString().Contains("application/json")) //TODO: Optimize
+            if (context.HttpContext.Request.Headers["Accept"].ToString().Contains("application/json")) //TODO: Optimize?
+            {
+                return true;
+            }
+
+            if (context.HttpContext.Request.IsAjax())
             {
                 return true;
             }

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ExceptionHandling/DefaultExceptionToErrorInfoConverter.cs

@@ -5,6 +5,7 @@ using System.Text;
 using Volo.Abp.Authorization;
 using Volo.Abp.DependencyInjection;
 using Volo.Abp.Domain.Entities;
+using Volo.Abp.ExceptionHandling;
 using Volo.Abp.Http;
 using Volo.Abp.UI;
 using Volo.Abp.Validation;
@@ -52,7 +53,7 @@ namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
             if (exception is IUserFriendlyException)
             {
                 var userFriendlyException = exception as IUserFriendlyException;
-                errorInfo.Message = userFriendlyException.Message;
+                errorInfo.Message = exception.Message;
                 errorInfo.Details = userFriendlyException.Details;
             }
 
@@ -71,6 +72,12 @@ namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
                 errorInfo.ValidationErrors = GetValidationErrorInfos(exception as IHasValidationErrors);
             }
 
+            //TODO: For test purpose
+            if (exception is IBusinessException)
+            {
+                errorInfo.Message = (exception as IBusinessException).Code;
+            }
+
             if (errorInfo.Message.IsNullOrEmpty())
             {
                 errorInfo.Message = L("InternalServerError");

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/ExceptionHandling/HttpExceptionStatusCodeFinder.cs

@@ -12,6 +12,8 @@ namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
     {
         public virtual int GetStatusCode(HttpContext httpContext, Exception exception)
         {
+            //TODO: If the exception has error code than we can determine the exception from it!
+
             if (exception is AbpAuthorizationException)
             {
                 return httpContext.User.Identity.IsAuthenticated
@@ -29,6 +31,11 @@ namespace Volo.Abp.AspNetCore.Mvc.ExceptionHandling
                 return (int)HttpStatusCode.NotFound;
             }
 
+            if (exception is IBusinessException)
+            {
+                return (int)HttpStatusCode.Forbidden;
+            }
+
             return (int)HttpStatusCode.InternalServerError;
         }
     }

src/Volo.Abp.AspNetCore/Microsoft/AspNetCore/Http/HttpRequestExtensions.cs

@@ -0,0 +1,22 @@
+using Volo.Abp;
+
+namespace Microsoft.AspNetCore.Http
+{
+    public static class HttpRequestExtensions
+    {
+        private const string RequestedWithHeader = "X-Requested-With";
+        private const string XmlHttpRequest = "XMLHttpRequest";
+
+        public static bool IsAjax(this HttpRequest request)
+        {
+            Check.NotNull(request, nameof(request));
+
+            if (request.Headers == null)
+            {
+                return false;
+            }
+
+            return request.Headers[RequestedWithHeader] == XmlHttpRequest;
+        }
+    }
+}

src/Volo.Abp.Core/Volo/Abp/BusinessException.cs

@@ -0,0 +1,28 @@
+using System;
+using Microsoft.Extensions.Logging;
+using Volo.Abp.ExceptionHandling;
+using Volo.Abp.Logging;
+
+namespace Volo.Abp
+{
+    public class BusinessException : Exception, IBusinessException, IHasErrorDetails, IHasLogLevel
+    {
+        public string Code { get; set; }
+
+        public string Details { get; set; }
+
+        public LogLevel LogLevel { get; set; } = LogLevel.Warning;
+
+        public BusinessException()
+        {
+            
+        }
+
+        public BusinessException(string code, string message = null, string details = null)
+            : base(message)
+        {
+            Code = code;
+            Details = details;
+        }
+    }
+}

src/Volo.Abp.Core/Volo/Abp/IHasErrorCode.cs → src/Volo.Abp.Core/Volo/Abp/ExceptionHandling/IHasErrorCode.cs

@@ -1,4 +1,4 @@
-namespace Volo.Abp
+namespace Volo.Abp.ExceptionHandling
 {
     public interface IHasErrorCode
     {

src/Volo.Abp.Core/Volo/Abp/ExceptionHandling/IHasErrorDetails.cs

@@ -0,0 +1,7 @@
+namespace Volo.Abp.ExceptionHandling
+{
+    public interface IHasErrorDetails
+    {
+        string Details { get; set; }
+    }
+}

src/Volo.Abp.Core/Volo/Abp/IBusinessException.cs

@@ -0,0 +1,9 @@
+using Volo.Abp.ExceptionHandling;
+
+namespace Volo.Abp
+{
+    public interface IBusinessException : IHasErrorCode
+    {
+        
+    }
+}

src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceExtensions.cs

@@ -1,18 +0,0 @@
-using System;
-using JetBrains.Annotations;
-
-namespace Volo.Abp.Localization
-{
-    public static class LocalizationResourceExtensions
-    {
-        public static LocalizationResource InheritFrom([NotNull] this LocalizationResource resource, [NotNull] params Type[] baseResourceTypes)
-        {
-            Check.NotNull(resource, nameof(resource));
-            Check.NotNull(baseResourceTypes, nameof(baseResourceTypes));
-
-            resource.BaseResourceTypes.AddRange(baseResourceTypes);
-
-            return resource;
-        }
-    }
-}

src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceListExtensions.cs

@@ -40,6 +40,30 @@ namespace Volo.Abp.Localization
         {
             Check.NotNull(resourceDictionary, nameof(resourceDictionary));
 
+            GetResource<TResource>(resourceDictionary).Extensions.Add(
+                new JsonEmbeddedFileLocalizationDictionaryProvider(
+                    virtualPath
+                )
+            );
+        }
+
+        public static void AddBaseTypes<TResource>(
+            [NotNull] this LocalizationResourceDictionary resourceDictionary,
+            [NotNull] params Type[] types)
+        {
+            Check.NotNull(resourceDictionary, nameof(resourceDictionary));
+            Check.NotNull(types, nameof(types));
+
+            var resource = GetResource<TResource>(resourceDictionary);
+
+            foreach (var type in types)
+            {
+                resource.BaseResourceTypes.AddIfNotContains(type);
+            }
+        }
+
+        private static LocalizationResource GetResource<TResource>(LocalizationResourceDictionary resourceDictionary)
+        {
             var resourceType = typeof(TResource);
 
             var resource = resourceDictionary.GetOrDefault(resourceType);
@@ -48,9 +72,7 @@ namespace Volo.Abp.Localization
                 throw new AbpException("Can not find a resource with given type: " + resourceType.AssemblyQualifiedName);
             }
 
-            resource.Extensions.Add(new JsonEmbeddedFileLocalizationDictionaryProvider(
-                virtualPath
-            ));
+            return resource;
         }
     }
 }

src/Volo.Abp.UI/Volo/Abp/Ui/IUserFriendlyException.cs

@@ -1,13 +1,9 @@
+using Volo.Abp.ExceptionHandling;
+
 namespace Volo.Abp.UI
 {
-    /* TODO:
-     * - define an interface to split Details, like IHasExceptionDetails
-     */
-
-    public interface IUserFriendlyException
+    public interface IUserFriendlyException : IHasErrorDetails
     {
-        string Message { get; }
 
-        string Details { get; set; }
     }
 }

src/Volo.Abp.UI/Volo/Abp/Ui/UserFriendlyException.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Runtime.Serialization;
 using Microsoft.Extensions.Logging;
+using Volo.Abp.ExceptionHandling;
 using Volo.Abp.Logging;
 
 namespace Volo.Abp.UI