public static List <ColumnProjection> GetColumnProjections(string entityName, List <string> includingPath)
{
var entity = MetadataRepository.Entities.Single(e => e.PhysicalName == entityName);
GridView gridView = new GridView();
ODataObjectSpace objSpace = new ODataObjectSpace();
IEdmEntityType entityType = objSpace.GetTypeDefinition(entityName);
string detailLayout = string.Empty;
var defaultLayoutXml = GetDefaultLayout(entityName, ref detailLayout);
gridView.RestoreLayoutFromString(defaultLayoutXml);
var projections = gridView.Columns.Cast <GridColumn>()
.Where(column => !string.IsNullOrEmpty(column.FieldName) && entityType.FindProperty(column.FieldName) != null)
.Select(column => new ColumnProjection(column.FieldName, entity)).ToList();
gridView.Dispose();
gridView = null;
var keyFeildName = entityType.Key().First().Name;
ColumnProjection keyColumnProjection = new ColumnProjection(keyFeildName, entity);
if (!projections.Any(p => p.PropertyPath == keyFeildName))
{
projections.Add(keyColumnProjection);
}
if (includingPath != null)
{
foreach (var includItem in includingPath)
{
ColumnProjection includColumnProjection = new ColumnProjection(includItem, entity);
if (!projections.Contains(includColumnProjection))
{
projections.Add(includColumnProjection);
}
}
}
return(projections);
}