// Determines whether to include the entity on the audit log or not
private bool IncludeEntity(IAuditDbContext context, object entity, AuditOptionMode mode)
{
var type = entity.GetType();
#if EF_FULL
type = ObjectContext.GetObjectType(type);
#else
if (type.FullName.StartsWith("Castle.Proxies."))
{
type = type.GetTypeInfo().BaseType;
}
#endif
bool?result = EnsureEntitiesIncludeIgnoreAttrCache(type); //true:excluded false=ignored null=unknown
if (result == null)
{
// No static attributes, check the filters
var localConfig = EntityFramework.Configuration.GetConfigForType(context.GetType());
var globalConfig = EntityFramework.Configuration.GetConfigForType(typeof(AuditDbContext));
var included = EvalIncludeFilter(type, localConfig, globalConfig);
var ignored = EvalIgnoreFilter(type, localConfig, globalConfig);
result = included ? true : ignored ? false : (bool?)null;
}
if (mode == AuditOptionMode.OptIn)
{
// Include only explicitly included entities
return(result.GetValueOrDefault());
}
// Include all, except the explicitly ignored entities
return(result == null || result.Value);
}
/// <summary>
/// Creates the Audit Event.
/// </summary>
/// <param name="includeEntities">To indicate if it must incluide the serialized entities.</param>
/// <param name="mode">The option mode to include/exclude entities from Audit.</param>
public EntityFrameworkEvent CreateAuditEvent(bool includeEntities, AuditOptionMode mode)
{
var modifiedEntries = GetModifiedEntries(mode);
if (modifiedEntries.Count == 0)
{
return(null);
}
var clientConnectionId = GetClientConnectionId(Database.Connection);
var efEvent = new EntityFrameworkEvent()
{
Entries = new List <EventEntry>(),
Database = Database.Connection.Database,
ConnectionId = clientConnectionId,
TransactionId = GetCurrentTransactionId(clientConnectionId)
};
foreach (var entry in modifiedEntries)
{
var entity = entry.Entity;
var validationResults = entry.GetValidationResult();
efEvent.Entries.Add(new EventEntry()
{
Valid = validationResults.IsValid,
ValidationResults = validationResults.ValidationErrors.Select(x => x.ErrorMessage).ToList(),
Entity = includeEntities ? entity : null,
Action = GetStateName(entry.State),
Changes = entry.State == EntityState.Modified ? GetChanges(entry) : null,
ColumnValues = GetColumnValues(entry),
PrimaryKey = GetPrimaryKey(entry),
Table = GetEntityName(entity)
});
}
return(efEvent);
}
private bool IncludeEntity(IAuditDbContext context, DbEntityEntry entry, AuditOptionMode mode)
#endif
{
var type = entry.Entity.GetType();
#if NET45
type = ObjectContext.GetObjectType(type);
#endif
bool?result = EnsureEntitiesIncludeIgnoreAttrCache(type); //true:excluded false=ignored null=unknown
if (result == null)
{
// No static attributes, check the filters
var localConfig = EntityFramework.Configuration.GetConfigForType(context.GetType());
var globalConfig = EntityFramework.Configuration.GetConfigForType(typeof(AuditDbContext));
var included = EvalIncludeFilter(type, localConfig, globalConfig);
var ignored = EvalIgnoreFilter(type, localConfig, globalConfig);
result = included ? true : ignored ? false : (bool?)null;
}
if (mode == AuditOptionMode.OptIn)
{
// Include only explicitly included entities
return(result.GetValueOrDefault());
}
// Include all, except the explicitly ignored entities
return(result == null || result.Value);
}
private List <DbEntityEntry> GetModifiedEntries(AuditOptionMode mode)
#endif
{
return(ChangeTracker.Entries()
.Where(x => x.State != EntityState.Unchanged &&
x.State != EntityState.Detached &&
IncludeEntity(x, mode))
.ToList());
}
private bool IncludeEntity(DbEntityEntry entry, AuditOptionMode mode)
#endif
{
var type = entry.Entity.GetType();
if (!EntitiesIncludedCache.ContainsKey(type))
{
var includeAttr = type.GetTypeInfo().GetCustomAttribute(typeof(AuditIncludeAttribute));
if (includeAttr != null)
{
EntitiesIncludedCache[type] = true; // Type Included by IncludeAttribute
}
else
{
var ignoreAttr = type.GetTypeInfo().GetCustomAttribute(typeof(AuditIgnoreAttribute));
if (ignoreAttr != null)
{
EntitiesIncludedCache[type] = false; // Type Ignored by IgnoreAttribute
}
else
{
// No attribute specified, check the global config
var localConfig = EntityFramework.Configuration.GetConfigForType(GetType());
var globalConfig = EntityFramework.Configuration.GetConfigForType(typeof(AuditDbContext));
var ignored = localConfig?.IgnoredTypes.Contains(type) ?? globalConfig?.IgnoredTypes.Contains(type) ?? false;
var included = localConfig?.IncludedTypes.Contains(type) ?? globalConfig?.IncludedTypes.Contains(type) ?? false;
EntitiesIncludedCache[type] = included ? true : ignored ? (bool?)false : null;
}
}
}
if (mode == AuditOptionMode.OptIn)
{
return(EntitiesIncludedCache[type] != null && EntitiesIncludedCache[type].Value);
}
return(EntitiesIncludedCache[type] == null || EntitiesIncludedCache[type].Value);
}
internal static void SetMode <T>(AuditOptionMode mode)
where T : AuditDbContext
{
EnsureConfigFor <T>().Mode = mode;
}
/// <summary>
/// Gets the modified entries to process.
/// </summary>
#if NETCOREAPP1_0
private List <EntityEntry> GetModifiedEntries(AuditOptionMode mode)
// Determines whether to include the entity on the audit log or not
#if NETCOREAPP1_0
private bool IncludeEntity(EntityEntry entry, AuditOptionMode mode)
// Determines whether to include the entity on the audit log or not
#if NETCOREAPP1_0
private bool IncludeEntity(IAuditDbContext context, EntityEntry entry, AuditOptionMode mode)
internal static void SetMode <T>(AuditOptionMode mode)
{
EnsureConfigFor <T>().Mode = mode;
}