private static TEntity GetCurrentValue <TEntity>(IOrganizationService service, TEntity entity, IMinimumUpdater <TEntity> updater) where TEntity : Entity
{
if (updater != null)
{
return(updater.GetCurrentValue(entity));
}
return(typeof(TEntity) == typeof(Entity)
? (TEntity)service.GetEntityOrDefault(entity.LogicalName, entity.Id)
: service.GetEntityOrDefault <TEntity>(entity.Id));
}
/// <summary>
/// Compares the values in the most recent entities by id dictionary to the given value, only updating the fields that are out of date.
/// </summary>
/// <typeparam name="TEntity">The Entity Type</typeparam>
/// <param name="service">The Service.</param>
/// <param name="entity">The Entity to Create or Update.</param>
/// <param name="updater">The IMinimumUpdater to use.</param>
public static void CreateOrMinimumUpdate <TEntity>(this IOrganizationService service, TEntity entity, IMinimumUpdater <TEntity> updater = null) where TEntity : Entity
{
if (entity.Id == Guid.Empty)
{
// No Guid. Must be for create
updater?.PreCreate(entity);
#if PRE_KEYATTRIBUTE
entity.Id = service.Create(entity);
#else
entity.Id = entity.KeyAttributes?.Count > 0
? service.Upsert(entity).Target.Id
: service.Create(entity);
#endif
updater?.PostCreate(entity);
return;
}
var image = GetCurrentValue(service, entity, updater);
if (image == null)
{
// Guid exists, but no current version, update everything.
updater?.PreUpdate(entity);
service.Update(entity);
return;
}
// Perform a minimum update
var localEntity = entity.Clone();
var unchangedAttributes = new List <string>();
foreach (var keyValue in image.Attributes.Where(kvp => localEntity.Contains(kvp.Key) &&
kvp.Value.NullSafeEquals(localEntity.GetAttributeValue <object>(kvp.Key)) &&
!kvp.Value.NullSafeEquals(localEntity.Id)))
{
unchangedAttributes.Add(keyValue.Key);
localEntity.Attributes.Remove(keyValue.Key);
}
if (localEntity.Attributes.Count == 1 &&
localEntity.Attributes.First().Value.Equals(localEntity.Id))
{
// Only attribute left is the Id Guid. Skip!
updater?.NoChangesToSync(entity);
return;
}
updater?.PreMinimalUpdate(entity, localEntity, unchangedAttributes);
service.Update(localEntity);
if (updater?.ShouldUpdateCurrentVersion(image, localEntity) == true)
{
foreach (var keyValue in localEntity.Attributes)
{
image[keyValue.Key] = keyValue.Value;
}
}
}
