/// <summary>
/// Lança uma exception caso o resultado não seja satisfatório.
/// </summary>
/// <param name="result"></param>
public static void ThrowInvalid(this Business.DeleteResult result)
{
if (result != null && !result)
{
throw new Business.DeleteResultException(result);
}
}
/// <summary>
/// Executa o delete dos itens informados.
/// </summary>
/// <param name="session"></param>
/// <param name="items">Referências dos métodos save que deverão ser acionados.</param>
/// <returns></returns>
public static Business.DeleteResult DeleteItems(this Data.IPersistenceSession session, params Func <Data.IPersistenceSession, Business.DeleteResult>[] items)
{
items.Require("items").NotNull();
Business.DeleteResult result = null;
foreach (var i in items)
{
if (i != null && !(result = i(session)))
{
return(result);
}
}
return(new Business.DeleteResult(true, null));
}
/// <summary>
/// Construtor de deserialização.
/// </summary>
/// <param name="info"></param>
/// <param name="context"></param>
protected DeleteResultException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
{
_deleteResult = new DeleteResult(false, MessageFormattable ?? Colosoft.MessageFormattable.Empty);
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="result"></param>
public DeleteResultException(DeleteResult result) : base(result.Message)
{
}
/// <summary>
/// Persiste a entidade no banco de dados.
/// </summary>
/// <param name="session"></param>
public virtual SaveResult Persist(Data.IPersistenceSession session)
{
if (!IsChanged && ExistsInStorage)
{
return(new SaveResult(true, null));
}
var result = OnSaving();
if (!result.Success)
{
return(result);
}
var actionId = 0;
DeleteResult deleteResult = null;
Data.IPersistenceSession beforeSession = null;
Data.IPersistenceSession afterSession = null;
if (!ExistsInStorage)
{
actionId = session.Insert(DataModel, SaveActionCallback);
}
else
{
var changeProperties = ChangedProperties.ToArray();
if (changeProperties.Length > 0)
{
actionId = session.Update(DataModel, SaveActionCallback, changeProperties);
}
}
_lastActionId = actionId;
if (actionId > 0)
{
beforeSession = session.CreateBeforeSessionForAction(actionId);
afterSession = session.CreateAfterSessionForAction(actionId);
}
else
{
beforeSession = session;
afterSession = session;
}
Colosoft.Domain.DomainEvents.Instance.GetEvent <EntityPersistingEvent>().Publish(new EntityPersistingEventArgs(this, session, beforeSession, afterSession));
var references = Loader.GetReferences().Where(f => this.IsReferenceInitialized(f.Name));
var beforeLinksAccessors = Loader.GetLinksAccessors(EntityChildSavePriority.BeforeEntity);
var beforeChildrenAccessors = Loader.GetChildrenAccessors(EntityChildSavePriority.BeforeEntity);
var linksAccessors = Loader.GetLinksAccessors(EntityChildSavePriority.AfterEntity);
var childrenAccessors = Loader.GetChildrenAccessors(EntityChildSavePriority.AfterEntity);
var deleteProcessing = false;
if (!session.Root.Parameters.Contains("DeleteOperationsProcessing"))
{
session.Root.Parameters["DeleteOperationsProcessing"] = true;
deleteProcessing = true;
deleteResult = ProcessDeleteOperations(beforeSession);
if (!deleteResult.Success)
{
return(new SaveResult(deleteResult.Success, deleteResult.Message));
}
}
foreach (var i in beforeLinksAccessors)
{
var entity = i.Get(this);
if (entity != null)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(beforeSession);
if (result.Success)
{
result = container.ProcessInsertOperations(beforeSession);
}
}
else
{
result = entity.Save(beforeSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(beforeSession);
}
}
}
foreach (var i in beforeChildrenAccessors)
{
var entity = i.Get(this);
var entityRemoved = GetSingleChildRemoved(i.Name);
if (entityRemoved != null)
{
deleteResult = entityRemoved.Delete(beforeSession);
if (!deleteResult.Success)
{
return(new SaveResult(deleteResult.Success, deleteResult.Message));
}
}
if (entity != null)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(beforeSession);
if (result.Success)
{
result = container.ProcessInsertOperations(beforeSession);
}
}
else
{
result = entity.Save(beforeSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(beforeSession);
}
}
}
foreach (var i in references.Where(f => f.SavePriority == EntityChildSavePriority.BeforeEntity))
{
var entity = i.ParentValueGetter(this);
if (entity != null && entity.IsChanged)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(beforeSession);
if (result.Success)
{
result = container.ProcessInsertOperations(beforeSession);
}
}
else
{
result = entity.Save(beforeSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(beforeSession);
}
}
}
foreach (var i in linksAccessors)
{
var entity = i.Get(this);
if (entity != null)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(afterSession);
if (result.Success)
{
result = container.ProcessInsertOperations(afterSession);
}
}
else
{
result = entity.Save(afterSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(afterSession);
}
}
}
foreach (var i in childrenAccessors)
{
var entity = i.Get(this);
var entityRemoved = GetSingleChildRemoved(i.Name);
if (entityRemoved != null)
{
deleteResult = entityRemoved.Delete(afterSession);
if (!deleteResult.Success)
{
return(new SaveResult(deleteResult.Success, deleteResult.Message));
}
}
if (entity != null)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(afterSession);
if (result.Success)
{
result = container.ProcessInsertOperations(afterSession);
}
}
else
{
result = entity.Save(afterSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(afterSession);
}
}
}
foreach (var i in references.Where(f => f.SavePriority == EntityChildSavePriority.AfterEntity))
{
var entity = i.ParentValueGetter(this);
if (entity != null && entity.IsChanged)
{
if (entity is ISaveOperationsContainer)
{
var container = (ISaveOperationsContainer)entity;
result = container.ProcessUpdateOperations(afterSession);
if (result.Success)
{
result = container.ProcessInsertOperations(afterSession);
}
}
else
{
result = entity.Save(afterSession);
}
if (!result.Success)
{
return(result);
}
if (entity is IEntitySavePersistenceSessionObserver)
{
((IEntitySavePersistenceSessionObserver)entity).Register(afterSession);
}
}
}
if (deleteProcessing)
{
session.Root.Parameters.Remove("DeleteOperationsProcessing");
}
return(result);
}
/// <summary>
/// Processa as operações de delete.
/// </summary>
/// <param name="session"></param>
/// <returns></returns>
public DeleteResult ProcessDeleteOperations(Colosoft.Data.IPersistenceSession session)
{
var beforeLinksAccessors = Loader.GetLinksAccessors(EntityChildSavePriority.BeforeEntity);
var beforeChildrenAccessors = Loader.GetChildrenAccessors(EntityChildSavePriority.BeforeEntity);
var linksAccessors = Loader.GetLinksAccessors(EntityChildSavePriority.AfterEntity);
var childrenAccessors = Loader.GetChildrenAccessors(EntityChildSavePriority.AfterEntity);
var saveOperationsContainers = GetEntities(this, linksAccessors.Reverse().Concat(beforeLinksAccessors.Reverse())).Where(f => f is IDeleteOperationsContainer).Select(f => (IDeleteOperationsContainer)f);
DeleteResult deleteResult = null;
foreach (var i in childrenAccessors.Reverse())
{
var entityRemoved = GetSingleChildRemoved(i.Name);
if (entityRemoved != null)
{
deleteResult = entityRemoved.Delete(session);
if (!deleteResult.Success)
{
return(deleteResult);
}
continue;
}
var entity = i.Get(this);
if (entity is IDeleteOperationsContainer)
{
deleteResult = ((IDeleteOperationsContainer)entity).ProcessDeleteOperations(session);
if (!deleteResult)
{
return(deleteResult);
}
}
}
foreach (var i in beforeChildrenAccessors.Reverse())
{
var entityRemoved = GetSingleChildRemoved(i.Name);
if (entityRemoved != null)
{
deleteResult = entityRemoved.Delete(session);
if (!deleteResult.Success)
{
return(deleteResult);
}
continue;
}
var entity = i.Get(this);
if (entity is IDeleteOperationsContainer)
{
deleteResult = ((IDeleteOperationsContainer)entity).ProcessDeleteOperations(session);
if (!deleteResult)
{
return(deleteResult);
}
}
}
foreach (var entity in saveOperationsContainers)
{
deleteResult = entity.ProcessDeleteOperations(session);
if (!deleteResult.Success)
{
return(deleteResult);
}
}
return(new DeleteResult(true, null));
}