private EntityFrameworkAuditEvent CreateAuditEvent()
{
List <EntityEntry> modifiedEntries = GetModifiedEntries();
if (modifiedEntries.Count == 0)
{
return(null);
}
DbConnection connection = this.IsProviderRelational() ? Database.GetDbConnection() : null;
string connectionID = connection?.GetConnectionID();
EntityFrameworkAuditEvent auditEvent = new EntityFrameworkAuditEvent()
{
DatabaseActions = new List <DatabaseActionEntry>(),
};
if (Settings.IncludeDatabase)
{
auditEvent.Database = connection?.Database;
}
if (Settings.IncludeConnectionID)
{
auditEvent.ConnectionID = connectionID;
}
if (Settings.IncludeTransactionID)
{
auditEvent.TransactionID = this.GetCurrentTransactionID();
}
foreach (EntityEntry modifiedEntry in modifiedEntries)
{
object entity = modifiedEntry.Entity;
IEntityType entityType = Model.FindEntityType(entity.GetType()); // TODO: cache
Dictionary <string, FieldValueChange> columnValues = modifiedEntry.State == EntityState.Modified ? GetChanges(modifiedEntry) : GetColumnValues(modifiedEntry);
if (columnValues.Count == 0)
{
continue;
}
DatabaseActionEntry entry = new DatabaseActionEntry()
{
EntityEntry = modifiedEntry,
DatabaseAction = EntityFrameworkHelpers.GetActionFromEntityState(modifiedEntry.State),
ColumnValues = columnValues,
PrimaryKey = entityType.GetPrimaryKeyValue(entity),
Table = this.GetDbSetForType(entity.GetType()).Name // TODO: give option of table name
};
auditEvent.DatabaseActions.Add(entry);
}
return(auditEvent.DatabaseActions.Count != 0 ? auditEvent : null);
}
private bool ShouldIncludeEntity(EntityEntry entry)
{
Type type = entry.Entity.GetType();
bool?include = GetIncludeIgnoreAttribute(type);
if (Settings.MemberMode == MemberMode.OptIn && (include == null || include.Value == false))
{
return(false);
}
else if (include != null && include.Value == false)
{
return(false);
}
DatabaseAction?includeDatabaseActions = GetActionsAttribute(type);
DatabaseAction databaseAction = EntityFrameworkHelpers.GetActionFromEntityState(entry.State);
return(includeDatabaseActions == null || includeDatabaseActions.Value.HasFlag(databaseAction));
}
