/// <summary>
/// Helper provisorio para realizar um update no entity sem precisar de ir ao banco de dados.
/// </summary>
/// <param name="context">Contexto do Entity.</param>
/// <param name="entitySetName">Nome do EntitySet.</param>
/// <param name="entity">Entity Object.</param>
public static void Update(this ObjectContext context, string entitySetName, EntityObject entity)
{
if (entity.EntityKey == null)
entity.EntityKey = context.CreateEntityKey(entitySetName, entity);
if (entity.EntityState == EntityState.Detached)
context.Attach(entity);
var stateEntry = context.ObjectStateManager.GetObjectStateEntry(entity.EntityKey);
var propertyNameList = stateEntry.CurrentValues.DataRecordInfo.FieldMetadata.Select(pn => pn.FieldType.Name);
foreach (var propName in propertyNameList)
{
stateEntry.SetModifiedProperty(propName);
}
//var relatedEntities = context.ObjectStateManager.GetObjectStateEntries(System.Data.EntityState.Added).Where(
}
/// <summary>
/// Helper provisorio para realizar um update no entity que possuir relacionamentos.
/// </summary>
/// <param name="context">Contexto do Entity.</param>
/// <param name="entitySetName">Nome do EntitySet.</param>
/// <param name="entity">Entity Object.</param>
public static void UpdateWithReference(this ObjectContext context, string entitySetName, EntityObject entity)
{
if (entity.EntityKey == null)
entity.EntityKey = context.CreateEntityKey(context.DefaultContainerName + "." + entitySetName, entity);
if (entity.EntityState == EntityState.Detached)
{
object currentEntityInDb;
if (context.TryGetObjectByKey(entity.EntityKey, out currentEntityInDb))
{
context.ApplyPropertyChanges(entity.EntityKey.EntitySetName, entity);
context.ApplyReferencePropertyChanges(entity,
(IEntityWithRelationships)currentEntityInDb); //extension
}
else
{
throw new ObjectNotFoundException();
}
}
}
public static void SetEntityKey(this ObjectContext context, EntityObject entity)
{
entity.EntityKey = context.CreateEntityKey(EntityHelper.GetEntitySetName(entity.GetType(), context), entity);
}
