public void OnReturn(IRetrieveRequestHandler handler)
{
if (ReferenceEquals(null, Target) ||
!handler.AllowSelectField(Target) ||
!handler.ShouldSelectField(Target))
{
return;
}
var idField = (Field)((handler.Row as IIdRow).IdField);
var listHandler = DefaultHandlerFactory.ListHandlerFor(rowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(rowType);
listRequest.ColumnSelection = ColumnSelection.KeyOnly;
listRequest.IncludeColumns = new HashSet <string>
{
itemKeyField.PropertyName ?? itemKeyField.Name
};
listRequest.Criteria = thisKeyCriteria == new ValueCriteria(idField.AsObject(handler.Row)) & filterCriteria;
IListResponse response = listHandler.Process(handler.Connection, listRequest);
var list = listFactory();
foreach (Row item in response.Entities)
{
list.Add(itemKeyField.AsObject(item));
}
Target.AsObject(handler.Row, list);
}
public void OnReturn(IRetrieveRequestHandler handler)
{
if (ReferenceEquals(null, Target) ||
!handler.AllowSelectField(Target) ||
!handler.ShouldSelectField(Target))
{
return;
}
var listHandler = DefaultHandlerFactory.ListHandlerFor(rowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(rowType);
listRequest.ColumnSelection = this.attr.ColumnSelection;
listRequest.IncludeColumns = this.includeColumns;
listRequest.Criteria = foreignKeyCriteria == new ValueCriteria(masterKeyField.AsObject(handler.Row)) & filterCriteria;
IListResponse response = listHandler.Process(handler.Connection, listRequest);
var list = rowListFactory();
foreach (var item in response.Entities)
{
list.Add(item);
}
Target.AsObject(handler.Row, list);
}
public override void OnBeforeDelete(IDeleteRequestHandler handler)
{
foreach (var info in infoList)
{
if (!info.Attr.CascadeDelete)
{
continue;
}
var thisKey = info.ThisKeyField.AsObject(handler.Row);
if (ReferenceEquals(null, thisKey))
{
continue;
}
var oldID = GetExistingID(handler.Connection, info, thisKey);
if (oldID == null)
{
continue;
}
var deleteHandler = DefaultHandlerFactory.DeleteHandlerFor(info.Attr.RowType);
var deleteRequest = DefaultHandlerFactory.DeleteRequestFor(info.Attr.RowType);
deleteRequest.EntityId = oldID;
deleteHandler.Process(handler.UnitOfWork, deleteRequest);
}
}
public override void OnAfterSave(ISaveRequestHandler handler)
{
var newList = Target.AsObject(handler.Row) as IList;
if (newList == null)
{
return;
}
var masterId = masterKeyField.AsObject(handler.Row);
if (handler.IsCreate)
{
foreach (Row entity in newList)
{
SaveDetail(handler.UnitOfWork, entity, masterId, null);
}
return;
}
var oldList = new List <Row>();
if (!attr.CheckChangesOnUpdate)
{
var row = rowFactory();
var rowIdField = (row as IIdRow).IdField;
// if we're not gonna compare old rows with new ones
// no need to call list request handler
new SqlQuery()
.Dialect(handler.Connection.GetDialect())
.From(row)
.Select((Field)rowIdField)
.Where(
foreignKeyField == new ValueCriteria(masterKeyField.AsSqlValue(handler.Row)) &
queryCriteria)
.ForEach(handler.Connection, () =>
{
oldList.Add(row.Clone());
});
}
else
{
var listHandler = DefaultHandlerFactory.ListHandlerFor(rowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(rowType);
listRequest.ColumnSelection = ColumnSelection.List;
listRequest.Criteria = foreignKeyCriteria == new ValueCriteria(masterKeyField.AsObject(handler.Row)) & filterCriteria;
var entities = listHandler.Process(handler.Connection, listRequest).Entities;
foreach (Row entity in entities)
{
oldList.Add(entity);
}
}
DetailListSave(handler.UnitOfWork, masterId, oldList, newList);
}
private void DeleteDetail(IUnitOfWork uow, object detailId)
{
var deleteHandler = DefaultHandlerFactory.DeleteHandlerFor(rowType);
var deleteRequest = DefaultHandlerFactory.DeleteRequestFor(rowType);
deleteRequest.EntityId = detailId;
deleteHandler.Process(uow, deleteRequest);
}
public void OnReturn(IListRequestHandler handler)
{
if (ReferenceEquals(null, Target) ||
!handler.AllowSelectField(Target) ||
!handler.ShouldSelectField(Target) ||
handler.Response.Entities.IsEmptyOrNull())
{
return;
}
var idField = (Field)((handler.Row as IIdRow).IdField);
var listHandler = DefaultHandlerFactory.ListHandlerFor(rowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(rowType);
listRequest.ColumnSelection = ColumnSelection.KeyOnly;
listRequest.IncludeColumns = new HashSet <string>
{
itemKeyField.PropertyName ?? itemKeyField.Name,
thisKeyField.PropertyName ?? thisKeyField.Name
};
var enumerator = handler.Response.Entities.Cast <Row>();
while (true)
{
var part = enumerator.Take(1000);
if (!part.Any())
{
break;
}
enumerator = enumerator.Skip(1000);
listRequest.Criteria = thisKeyCriteria.In(
part.Select(x => idField.AsObject(x))) & filterCriteria;
IListResponse response = listHandler.Process(
handler.Connection, listRequest);
var lookup = response.Entities.Cast <Row>()
.ToLookup(x => thisKeyField.AsObject(x).ToString());
foreach (var row in part)
{
var list = listFactory();
var matching = lookup[idField.AsObject(row).ToString()];
foreach (var x in matching)
{
list.Add(itemKeyField.AsObject(x));
}
Target.AsObject(row, list);
}
}
}
public override void OnAfterSave(ISaveRequestHandler handler)
{
foreach (var info in infoList)
{
object mappingsObj;
if (!handler.StateBag.TryGetValue("UpdatableExtensionBehavior_Assignments_" + info.Attr.Alias, out mappingsObj))
{
continue;
}
var mappings = (IEnumerable <Tuple <Field, Field> >)mappingsObj;
if (mappings == null || !mappings.Any())
{
continue;
}
var thisKey = info.ThisKeyField.AsObject(handler.Row);
if (ReferenceEquals(null, thisKey))
{
continue;
}
object oldID = GetExistingID(handler.Connection, info, thisKey);
if (oldID == null && !CheckPresenceValue(info, handler.Row))
{
continue;
}
var extension = info.RowFactory();
if (oldID != null)
{
((Field)((IIdRow)extension).IdField).AsObject(extension, oldID);
}
info.OtherKeyField.AsObject(extension, thisKey);
if (!ReferenceEquals(null, info.FilterField))
{
info.FilterField.AsObject(extension, info.FilterValue);
}
var request = DefaultHandlerFactory.SaveRequestFor(info.Attr.RowType);
request.Entity = extension;
request.EntityId = oldID;
foreach (var mapping in mappings)
{
mapping.Item2.AsObject(extension, mapping.Item1.AsObject(handler.Row));
}
DefaultHandlerFactory.SaveHandlerFor(info.Attr.RowType)
.Process(handler.UnitOfWork, request, oldID == null ? SaveRequestType.Create : SaveRequestType.Update);
}
}
private void SaveLocalRow(IUnitOfWork uow, Row localRow, object masterId, object localRowId)
{
localRow = localRow.Clone();
foreignKeyField.AsObject(localRow, masterId);
((Field)((IIdRow)localRow).IdField).AsObject(localRow, localRowId);
var saveHandler = DefaultHandlerFactory.SaveHandlerFor(localRowType);
var saveRequest = DefaultHandlerFactory.SaveRequestFor(localRowType);
saveRequest.Entity = localRow;
saveHandler.Process(uow, saveRequest, localRowId == null ? SaveRequestType.Create : SaveRequestType.Update);
}
public void OnReturn(IListRequestHandler handler)
{
if (ReferenceEquals(null, Target) ||
!handler.AllowSelectField(Target) ||
!handler.ShouldSelectField(Target) ||
handler.Response.Entities.IsEmptyOrNull())
{
return;
}
var listHandler = DefaultHandlerFactory.ListHandlerFor(rowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(rowType);
listRequest.ColumnSelection = this.attr.ColumnSelection;
listRequest.IncludeColumns = this.includeColumns;
var enumerator = handler.Response.Entities.Cast <Row>();
while (true)
{
var part = enumerator.Take(1000);
if (!part.Any())
{
break;
}
enumerator = enumerator.Skip(1000);
listRequest.Criteria = foreignKeyCriteria.In(
part.Select(x => masterKeyField.AsObject(x))) & filterCriteria;
IListResponse response = listHandler.Process(
handler.Connection, listRequest);
var lookup = response.Entities.Cast <Row>()
.ToLookup(x => foreignKeyField.AsObject(x).ToString());
foreach (var row in part)
{
var list = rowListFactory();
var matching = lookup[masterKeyField.AsObject(row).ToString()];
foreach (var x in matching)
{
list.Add(x);
}
Target.AsObject(row, list);
}
}
}
private void InsertDetail(IUnitOfWork uow, object masterId, object itemKey)
{
var detail = rowFactory();
thisKeyField.AsObject(detail, masterId);
itemKeyField.AsObject(detail, itemKeyField.ConvertValue(itemKey, CultureInfo.InvariantCulture));
if (!ReferenceEquals(null, filterField))
{
filterField.AsObject(detail, filterValue);
}
var saveHandler = DefaultHandlerFactory.SaveHandlerFor(rowType);
var saveRequest = DefaultHandlerFactory.SaveRequestFor(rowType);
saveRequest.Entity = detail;
saveHandler.Process(uow, saveRequest, SaveRequestType.Create);
}
private void SaveDetail(IUnitOfWork uow, Row detail, object masterId, object detailId)
{
detail = detail.Clone();
foreignKeyField.AsObject(detail, masterId);
if (!ReferenceEquals(null, filterField))
{
filterField.AsObject(detail, filterValue);
}
((Field)((IIdRow)detail).IdField).AsObject(detail, detailId);
var saveHandler = DefaultHandlerFactory.SaveHandlerFor(rowType);
var saveRequest = DefaultHandlerFactory.SaveRequestFor(rowType);
saveRequest.Entity = detail;
saveHandler.Process(uow, saveRequest, detailId == null ? SaveRequestType.Create : SaveRequestType.Update);
}
private object GetExistingID(IDbConnection connection, RelationInfo info,
object thisKey)
{
var criteria = new Criteria(info.OtherKeyField.PropertyName ?? info.OtherKeyField.Name) ==
new ValueCriteria(thisKey);
if (!ReferenceEquals(null, info.FilterField))
{
var flt = new Criteria(info.FilterField.PropertyName ?? info.FilterField.Name);
if (info.FilterValue == null)
{
criteria &= flt.IsNull();
}
else
{
criteria &= flt == new ValueCriteria(info.FilterValue);
}
}
var listHandler = DefaultHandlerFactory.ListHandlerFor(info.Attr.RowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(info.Attr.RowType);
listRequest.ColumnSelection = ColumnSelection.KeyOnly;
listRequest.Criteria = criteria;
var existing = listHandler.Process(connection, listRequest).Entities;
if (existing.Count > 1)
{
throw new Exception(String.Format("Found multiple extension rows for UpdatableExtension '{0}'",
info.Attr.Alias));
}
if (existing.Count == 0)
{
return(null);
}
return(((Field)((IIdRow)existing[0]).IdField).AsObject((Row)existing[0]));
}
public void OnReturn(IRetrieveRequestHandler handler)
{
if (handler.Request == null ||
handler.Request.IncludeColumns == null ||
!handler.Request.IncludeColumns.Contains("Localizations"))
{
return;
}
var localIdField = (Field)((handler.Row as IIdRow).IdField);
var listHandler = DefaultHandlerFactory.ListHandlerFor(localRowType);
var listRequest = DefaultHandlerFactory.ListRequestFor(localRowType);
listRequest.ColumnSelection = ColumnSelection.List;
listRequest.Criteria = foreignKeyCriteria == new ValueCriteria(localIdField.AsObject(handler.Row));
IListResponse response = listHandler.Process(handler.Connection, listRequest);
var row = rowFactory();
var rowIdField = (Field)(((IIdRow)row).IdField);
var fields = row.GetFields();
var matches = new Field[fields.Count];
for (var i = 0; i < fields.Count; i++)
{
var field = fields[i];
if (ReferenceEquals(field, rowIdField))
{
continue;
}
matches[i] = GetLocalizationMatch(field);
}
var dictionary = dictionaryFactory();
foreach (Row localRow in response.Entities)
{
row = rowFactory();
row.TrackAssignments = true;
rowIdField.AsObject(row, rowIdField.AsObject(row));
for (var i = 0; i < fields.Count; i++)
{
var match = matches[i];
if (!ReferenceEquals(null, match))
{
var field = fields[i];
var value = match.AsObject(localRow);
field.AsObject(row, value);
}
}
var culture = cultureIdField.AsObject(localRow);
dictionary[culture == null ? "" : culture.ToString()] = row;
}
handler.Response.Localizations = dictionary;
}
