private IEnumerable <ImportDataChunk <LookupChunkData> > GetLookupChunkData(ImportParameters importParameters)
{
var importColumns = importParameters.Columns.Where(c => c.Destinations.Any(d => d.FindColumnTypeUId() == DataValueTypeUId));
var entitiesChunks = importParameters.Entities.SplitOnChunks(importParameters.ChunkSize);
var result = new List <ImportDataChunk <LookupChunkData> >();
if (!importColumns.Any())
{
return(result);
}
foreach (var entities in entitiesChunks)
{
var processor = new LookupValuesToProcess(UserConnection);
foreach (var entity in entities)
{
foreach (var column in importColumns)
{
var columnValue = entity.FindColumnValue(column);
if (columnValue == null)
{
continue;
}
foreach (var destination in column.Destinations)
{
processor.Add(entity, column, columnValue, destination);
}
}
}
result.Add(GetImportDataChunk(importParameters.ImportSessionId,
processor.SaveState()));
}
return(result);
}
public ImportDataChunk <LookupChunkData> CreateChunk(ImportDataChunk <EntityChunkData> chunk)
{
var processor = new LookupValuesToProcess(_userConnection);
foreach (var entityMemento in chunk.Data.Entities)
{
var entity = ImportEntity.CreateFromMemento(entityMemento);
processor.Add(entity, _lookupColumns);
}
var newLookupChunk = CreateChunk(processor.SaveState());
return(newLookupChunk);
}