From 0e129535aeaf2b96c0f573a64ede6d26aa3aea80 Mon Sep 17 00:00:00 2001
From: Giorgi Dalakishvili <giorgi@giorgi.dev>
Date: Tue, 6 Aug 2024 19:03:37 +0400
Subject: [PATCH] Extract common code

---
 .../ExceptionProcessorInterceptor.cs          | 35 ++++++-------------
 1 file changed, 10 insertions(+), 25 deletions(-)

diff --git a/EntityFramework.Exceptions.Common/ExceptionProcessorInterceptor.cs b/EntityFramework.Exceptions.Common/ExceptionProcessorInterceptor.cs
index cbedefa..85b3b89 100644
--- a/EntityFramework.Exceptions.Common/ExceptionProcessorInterceptor.cs
+++ b/EntityFramework.Exceptions.Common/ExceptionProcessorInterceptor.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data.Common;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -30,27 +31,7 @@ public override void SaveChangesFailed(DbContextErrorEventData eventData)
     {
         var dbUpdateException = eventData.Exception as DbUpdateException;
 
-        if (eventData.Exception.GetBaseException() is T providerException)
-        {
-            var error = GetDatabaseError(providerException);
-
-            if (error != null && dbUpdateException != null)
-            {
-                var exception = ExceptionFactory.Create(error.Value, dbUpdateException, dbUpdateException.Entries);
-
-                switch (exception)
-                {
-                    case UniqueConstraintException uniqueConstraint when eventData.Context != null:
-                        SetConstraintDetails(eventData.Context, uniqueConstraint, providerException);
-                        break;
-                    case ReferenceConstraintException referenceConstraint when eventData.Context != null:
-                        SetConstraintDetails(eventData.Context, referenceConstraint, providerException);
-                        break;
-                }
-
-                throw exception;
-            }
-        }
+        ProcessException(eventData, dbUpdateException);
 
         base.SaveChangesFailed(eventData);
     }
@@ -60,6 +41,14 @@ public override void SaveChangesFailed(DbContextErrorEventData eventData)
     {
         var dbUpdateException = eventData.Exception as DbUpdateException;
 
+        ProcessException(eventData, dbUpdateException);
+
+        return base.SaveChangesFailedAsync(eventData, cancellationToken);
+    }
+
+    [StackTraceHidden]
+    private void ProcessException(DbContextErrorEventData eventData, DbUpdateException dbUpdateException)
+    {
         if (eventData.Exception.GetBaseException() is T providerException)
         {
             var error = GetDatabaseError(providerException);
@@ -77,15 +66,11 @@ public override void SaveChangesFailed(DbContextErrorEventData eventData)
                         SetConstraintDetails(eventData.Context, referenceConstraint, providerException);
                         break;
                 }
-
                 throw exception;
             }
         }
-
-        return base.SaveChangesFailedAsync(eventData, cancellationToken);
     }
 
-
     private void SetConstraintDetails(DbContext context, UniqueConstraintException exception, Exception providerException)
     {
         if (uniqueIndexDetailsList == null)