feat: validations send source.pointer

Author: rtablada

src/JsonApiDotNetCore/Controllers/BaseJsonApiController.cs

@@ -156,7 +156,7 @@ public virtual async Task<IActionResult> PostAsync([FromBody] T entity)
                 return Forbidden();
 
             if (_jsonApiContext.Options.ValidateModelState && !ModelState.IsValid)
-                return BadRequest(ModelState.ConvertToErrorCollection(_jsonApiContext.ContextGraph));
+                return BadRequest(ModelState.ConvertToErrorCollection<T>(_jsonApiContext.ContextGraph));
 
             entity = await _create.CreateAsync(entity);
 
@@ -170,7 +170,7 @@ public virtual async Task<IActionResult> PatchAsync(TId id, [FromBody] T entity)
             if (entity == null)
                 return UnprocessableEntity();
             if (_jsonApiContext.Options.ValidateModelState && !ModelState.IsValid)
-                return BadRequest(ModelState.ConvertToErrorCollection(_jsonApiContext.ContextGraph));
+                return BadRequest(ModelState.ConvertToErrorCollection<T>(_jsonApiContext.ContextGraph));
 
             var updatedEntity = await _update.UpdateAsync(id, entity);
 

src/JsonApiDotNetCore/Extensions/ModelStateExtensions.cs

@@ -6,7 +6,7 @@ namespace JsonApiDotNetCore.Extensions
 {
     public static class ModelStateExtensions
     {
-        public static ErrorCollection ConvertToErrorCollection(this ModelStateDictionary modelState, IContextGraph contextGraph)
+        public static ErrorCollection ConvertToErrorCollection<T>(this ModelStateDictionary modelState, IContextGraph contextGraph)
         {
             ErrorCollection collection = new ErrorCollection();
             foreach (var entry in modelState)
@@ -16,7 +16,7 @@ public static ErrorCollection ConvertToErrorCollection(this ModelStateDictionary
 
                 foreach (var modelError in entry.Value.Errors)
                 {
-                    var attrName = entry.Key;
+                    var attrName =contextGraph.GetPublicAttributeName<T>(entry.Key);
 
                     if (modelError.Exception is JsonApiException jex)
                         collection.Errors.AddRange(jex.GetError().Errors);