feat(generic-processor): add public method for setting relationships

src/JsonApiDotNetCore/Internal/Generics/GenericProcessor.cs

@@ -1,7 +1,5 @@
-using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
-using System.Reflection;
 using System.Threading.Tasks;
 using JsonApiDotNetCore.Extensions;
 using JsonApiDotNetCore.Models;
@@ -18,10 +16,17 @@ public GenericProcessor(DbContext context)
  }
 
  public async Task UpdateRelationshipsAsync(object parent, RelationshipAttribute relationship, IEnumerable<string> relationshipIds)
+ {
+ SetRelationships(parent, relationship, relationshipIds);
+
+ await _context.SaveChangesAsync();
+ }
+
+ public void SetRelationships(object parent, RelationshipAttribute relationship, IEnumerable<string> relationshipIds)
  {
  var relationshipType = relationship.Type;
 
- if(relationship.IsHasMany)
+ if (relationship.IsHasMany)
  {
  var entities = _context.GetDbSet<T>().Where(x => relationshipIds.Contains(x.StringId)).ToList();
  relationship.SetValue(parent, entities);
@@ -30,9 +35,7 @@ public async Task UpdateRelationshipsAsync(object parent, RelationshipAttribute
  {
  var entity = _context.GetDbSet<T>().SingleOrDefault(x => relationshipIds.First() == x.StringId);
  relationship.SetValue(parent, entity);
- } 
-
- await _context.SaveChangesAsync();
+ }
  }
  }
 }

src/JsonApiDotNetCore/Internal/Generics/IGenericProcessor.cs

@@ -7,5 +7,6 @@ namespace JsonApiDotNetCore.Internal
  public interface IGenericProcessor
  {
  Task UpdateRelationshipsAsync(object parent, RelationshipAttribute relationship, IEnumerable<string> relationshipIds);
+ void SetRelationships(object parent, RelationshipAttribute relationship, IEnumerable<string> relationshipIds);
  }
 }