public static void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (e.Entry.Entity is Article article)
{
ParseMarkdown(article);
}
}
private static void OnEntityTrackedHandler(object sender, EntityTrackedEventArgs args)
{
if (args.Entry.Entity is BaseEntity entity && args.Entry.State == EntityState.Added && !args.FromQuery)
{
entity.CreatedOn = DateTime.UtcNow;
}
}
private void Tracked(object sender, EntityTrackedEventArgs e)
{
int keyValue = GetKeyValue(e.Entry.Entity);
Console.WriteLine($@"Newly tracked {e.Entry.Entity.GetType()}, " +
$"{((e.FromQuery) ? "From" : "Not From")} Query, Key = {keyValue} as {e.Entry.State}");
}
void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is IEntityDate entity)
{
entity.Created = DateTime.Now;
}
}
private void ChangeTrackerOnTracked(object sender, EntityTrackedEventArgs e)
{
if (e.Entry.Entity is EntityBase)
{
}
//throw new NotImplementedException();
}
private void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is BaseEntity entity)
{
entity.CreatedOn = DateTime.UtcNow;
}
}
void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is IHasCreation entity)
{
entity.Created_at = DateTime.UtcNow;
}
}
void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery)
{
ProcessLastModified(e.Entry);
}
}
void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is IEntity entity)
{
entity.DateCreatedUtc = DateTime.UtcNow;
entity.DateLastModifiedUtc = DateTime.UtcNow;
}
}
public static void OnMatchupAdded(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is Matchup matchup)
{
matchup.Roster1.MatchupId = matchup.MatchupId;
matchup.Roster2.MatchupId = matchup.MatchupId;
}
}
private static void ChangeTrackerOnTracked(object sender, EntityTrackedEventArgs e)
{
if (e.FromQuery)
{
return;
}
UpdateTimestampableObjects(e.Entry);
}
private void ChangeTracker_Tracked(object?sender, EntityTrackedEventArgs e)
{
var source = (e.FromQuery) ? "Database" : "Code";
if (e.Entry.Entity is Car c)
{
Console.WriteLine($"Car entry {c.PetName} was added from {source}");
}
}
private void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (e.Entry.State == EntityState.Added && e.Entry.Entity is DbEntity entity)
{
entity.Id = Guid.NewGuid();
entity.CreatedAt = DateTime.UtcNow;
entity.LastModifiedAt = DateTime.UtcNow;
}
}
// Auto Model CreateTime EditTime updates
void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is IEntityDate entity)
{
entity.CreateTime = DateTimeOffset.Now;
}
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is ApplicationUser user)
{
user.RegisterTime = DateTimeOffset.Now;
}
}
public static void OnObjectMaterialized(object sender, EntityTrackedEventArgs trackedEvent)
{
if (trackedEvent.FromQuery && trackedEvent.Entry.Entity is IBaseEntity entity)
{
entity.ModelState = ModelState.Unchanged;
var originalValues = BuildOriginalValues(entity.GetType(), trackedEvent.Entry.OriginalValues);
entity.SetOriginalValues(originalValues);
}
}
private void Tracked(object sender, EntityTrackedEventArgs args)
{
var trackingGuid = Guid.NewGuid();
_trackingGuids[args.Entry.Entity] = trackingGuid;
_connection.InvokeAsync(
nameof(DaBeeHub.ChangeState),
new DaBeeEntityEntry(args.Entry, trackingGuid),
EntityState.Detached,
args.FromQuery);
IntroduceDelay();
}
protected virtual void FillExtraPropertiesForTrackedEntities(EntityTrackedEventArgs e)
{
var entityType = e.Entry.Metadata.ClrType;
if (entityType == null)
{
return;
}
if (!(e.Entry.Entity is IHasExtraProperties entity))
{
return;
}
if (!e.FromQuery)
{
return;
}
var objectExtension = ObjectExtensionManager.Instance.GetOrNull(entityType);
if (objectExtension == null)
{
return;
}
foreach (var property in objectExtension.GetProperties())
{
if (!property.IsMappedToFieldForEfCore())
{
continue;
}
/* Checking "currentValue != null" has a good advantage:
* Assume that you we already using a named extra property,
* then decided to create a field (entity extension) for it.
* In this way, it prevents to delete old value in the JSON and
* updates the field on the next save!
*/
var currentValue = e.Entry.CurrentValues[property.Name];
if (currentValue != null)
{
entity.ExtraProperties[property.Name] = currentValue;
}
}
}
protected virtual void FillExtraPropertiesForTrackedEntities(EntityTrackedEventArgs e)
{
var entityType = e.Entry.Metadata.ClrType;
if (entityType == null)
{
return;
}
if (!(e.Entry.Entity is IHasExtraProperties entity))
{
return;
}
if (!e.FromQuery)
{
return;
}
var objectExtension = ObjectExtensionManager.Instance.GetOrNull(entityType);
if (objectExtension == null)
{
return;
}
foreach (var property in objectExtension.GetProperties())
{
if (!property.IsMappedToFieldForEfCore())
{
continue;
}
/* 检查“currentValue != null“将会非常有用:
* 假设实体拥有额外的信息,
* 并创建了一个字段用于存储额外的信息
* 实体更新的时候不会删除Json中的旧值
*/
var currentValue = e.Entry.CurrentValues[property.Name];
if (currentValue != null)
{
entity.ExtraProperties[property.Name] = currentValue;
}
}
}
protected virtual void OnEntityCreate(object sender, EntityTrackedEventArgs e)
{
var entity = e.Entry.Entity;
var entityType = entity.GetType();
var implementsIEntity =
entityType.GetInterfaces().Any(i => i.GetGenericTypeDefinition() == typeof(IEntity <>));
if (!e.FromQuery && e.Entry.State == EntityState.Added && implementsIEntity)
{
var modifiedProperty = entityType.GetProperty(nameof(IEntity <object> .EditAt));
modifiedProperty.SetValue(entity, DateTime.Now);
var createdAtProperty = entityType.GetProperty(nameof(IEntity <object> .CreatedAt));
createdAtProperty.SetValue(entity, DateTime.Now);
}
}
/// <summary>Tracks the auditable entity asynchronous.</summary>
/// <param name="argument">The <see cref="EntityTrackedEventArgs"/> instance containing the event data.</param>
/// <returns></returns>
protected async Task <bool> TrackAuditableEntityAsync([NotNull] EntityTrackedEventArgs argument)
{
bool b = false;
switch (argument.Entry.State)
{
case EntityState.Detached:
case EntityState.Unchanged:
break;
case EntityState.Deleted:
case EntityState.Modified:
case EntityState.Added:
b = await TrackStatePrivateAsync(argument.Entry, argument.Entry.State);
break;
}
return(b);
}
private void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is Review review)
{
review.Date = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss");
}
else if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is Vendor vendor)
{
vendor.DateCreated = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss");
}
else if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is Post post)
{
post.Date = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss");
}
else if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is Message msg)
{
msg.Date = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss");
}
}
private void ChangeTracker_Tracked(object sender, EntityTrackedEventArgs e)
{
DateTime now = DateTime.Now;
if (e.Entry.Entity is IEntityDate entity)
{
switch (e.Entry.State)
{
case EntityState.Added:
entity.DatePublished = now;
entity.DateModified = now;
//For future use
//entity.CreatedBy = CurrentUser.GetUsername();
//entity.UpdatedBy = CurrentUser.GetUsername();
break;
case EntityState.Modified:
//Update(entity);
Entry(entity).Property(x => x.DatePublished).IsModified = false;
entity.DateModified = now;
break;
}
}
}
private void OnEntityTracked(object sender, EntityTrackedEventArgs e)
{
}
protected virtual void ChangeTracker_Tracked(object sender, EntityTrackedEventArgs e)
{
FillExtraPropertiesForTrackedEntities(e);
PublishEventsForTrackedEntity(e.Entry);
}
void OnTracked(object sender, EntityTrackedEventArgs e)
{
// if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is "EntidadeComAtributoLGPD")
//entity.Created = DateTime.Now;
}
void OnEntityCreated(object sender, EntityTrackedEventArgs e)
{
if (!e.FromQuery && e.Entry.State == EntityState.Added && e.Entry.Entity is DomainEntity entity)
{
}
}
private void ChangeTracker_Tracked(object sender, EntityTrackedEventArgs e)
{
Console.WriteLine($"Marked for Tracking: {e.Entry.Entity}");
}