/// <summary>
/// Stores an AuditLog object for the ongoing transaction
/// </summary>
public static IAuditLog Logg <T>(IDwarf obj, AuditLogTypes auditLogType, params AuditLogEventTrace[] auditUpdateEvents)
{
var type = DwarfHelper.DeProxyfy(obj);
if (type.Implements <IAuditLogless>() || type.Implements <IAuditLog>())
{
return(null);
}
var al = new AuditLog
{
ClassType = type.Name,
AuditLogType = auditLogType,
UserName = DwarfContext <T> .GetConfiguration().UserService.CurrentUser != null ? DwarfContext <T> .GetConfiguration().UserService.CurrentUser.UserName : string.Empty,
TimeStamp = DateTime.Now,
ObjectValue = obj.ToString(),
};
if (!type.Implements <ICompositeId>())
{
al.ObjectId = obj.Id.ToString();
}
else
{
foreach (var ep in DwarfHelper.GetPKProperties(type))
{
al.ObjectId += string.Format("[{0}: {1}]", ep.Name, ep.GetValue(obj));
}
}
if (auditLogType != AuditLogTypes.Created)
{
al.AuditDetails = "<?xml version=\"1.0\"?><Properties>";
foreach (var auditUpdateEvent in auditUpdateEvents)
{
al.AuditDetails += auditUpdateEvent.ToXml().ToString();
}
al.AuditDetails += "</Properties>";
}
DwarfContext <T> .GetDatabase().Insert <T, AuditLog>(al);
return(al);
}
/// <summary>
/// Creates and returns an AuditLogEventTrace object for every modified property
/// </summary>
private AuditLogEventTrace[] CreateTraceEventsForProperties()
{
if (!IsSaved)
{
return(new AuditLogEventTrace[0]);
}
if (originalValues == null)
{
var fromDB = !typeof(T).Implements <ICompositeId>()
? Load(Id.Value)
: Load(DwarfHelper.GetPKProperties <T>().Select(x => new WhereCondition <T> {
ColumnPi = x.ContainedProperty, Value = x.GetValue(this)
}).ToArray());
if (fromDB == null)
{
return(new AuditLogEventTrace[0]);
}
originalValues = fromDB.originalValues;
}
var dbProps = from ep in DwarfHelper.GetDBProperties(GetType())
let oldValue = originalValues[ep.Name]
let x = ep.GetValue(this)
let newValue = x is IDwarf ? ((IDwarf)ep.GetValue(this)).Id : ep.GetValue(this)
where (oldValue != null && !oldValue.Equals(newValue)) || (oldValue == null && newValue != null)
select new AuditLogEventTrace {
PropertyName = ep.Name, OriginalValue = oldValue, NewValue = newValue
};
var collections = from ep in DwarfHelper.GetGemListProperties(GetType())
where IsCollectionInitialized(ep.ContainedProperty)
let x = (IGemList)ep.GetValue(this)
let newValue = x
let oldValue = x.Parse((string)originalValues[ep.Name] ?? string.Empty)
where (oldValue != null && !oldValue.ComparisonString.Equals(newValue.ComparisonString)) || (oldValue == null && newValue != null)
select new AuditLogEventTrace {
PropertyName = ep.Name, OriginalValue = oldValue, NewValue = newValue
};
return(dbProps.Concat(collections).ToArray());
}
