public void Set(object fromKey, IEnumerable toKeys)
{
var oldToKeys = GetToKeys(fromKey);
RelationEditor.Set(fromKey, toKeys);
var logContext = new LogContext()
{
FromKey = fromKey,
RelationName = RelationName,
AddedToKeys = toKeys.Cast <object>().Where(toKey => !DalcRelationEditor.Contains(toKey, oldToKeys)).ToArray(),
RemovedToKeys = oldToKeys.Cast <object>().Where(oldToKey => !DalcRelationEditor.Contains(oldToKey, toKeys)).ToArray()
};
WriteLog.Execute(logContext);
}
public void Set(object fromKey, IEnumerable toKeys)
{
// load
var relationTbl = DalcManager.LoadAll(new Query(RelationSourceName, ComposeFromCondition(fromKey)));
var data = ExtraKeys == null ? new Dictionary <string, object>() : new Dictionary <string, object>(ExtraKeys);
data[FromFieldName] = fromKey;
int pos = 1;
foreach (var toKey in toKeys)
{
DataRow relationRow = relationTbl.Rows.Cast <DataRow>().Where(r => DalcRelationEditor.AreEqual(toKey, r[ToFieldName])).FirstOrDefault();
if (relationRow == null)
{
relationRow = relationTbl.NewRow();
relationRow[FromFieldName] = fromKey;
relationRow[ToFieldName] = toKey;
if (ExtraKeys != null)
{
foreach (var extraKeyEntry in ExtraKeys)
{
relationRow[extraKeyEntry.Key] = extraKeyEntry.Value;
}
}
relationTbl.Rows.Add(relationRow);
}
if (PositionFieldName != null)
{
relationRow[PositionFieldName] = pos++;
}
}
// delete missed relations
foreach (DataRow r in relationTbl.Rows)
{
if (!DalcRelationEditor.Contains(r[ToFieldName], toKeys))
{
r.Delete();
}
}
DalcManager.Update(relationTbl);
}