/// <summary>
/// Gets Additional <see cref="Thing"/> related to the <see cref="ElementUsage"/> to copy
/// </summary>
/// <param name="transaction">The current transaction</param>
/// <param name="partition">The current partition</param>
/// <param name="securityContext">The security context</param>
/// <param name="source">The current source that may contain <see cref="ElementUsage"/> to copy</param>
/// <param name="readservice">The element-definition read service</param>
/// <param name="allSourcesId">A list containing the identifier of all things to copy</param>
/// <returns>A list containing additional <see cref="Thing"/> to copy</returns>guid
private IReadOnlyList <Thing> GetElementDefinitionTreeFromRootDefinition(NpgsqlTransaction transaction, string partition, ISecurityContext securityContext, IReadOnlyList <Thing> source, IReadService readservice, IReadOnlyList <Guid> allSourcesId)
{
var additionalSources = new List <Thing>();
var usages = source.OfType <ElementUsage>().ToArray();
if (usages.Length > 0)
{
var getResults = readservice.GetDeep(transaction, partition, usages.Select(x => x.ElementDefinition).Distinct().Where(x => !allSourcesId.Contains(x)).ToArray(), securityContext).ToList();
additionalSources.AddRange(getResults);
additionalSources.AddRange(this.GetElementDefinitionTreeFromRootDefinition(transaction, partition, securityContext, getResults, readservice, allSourcesId.Union(getResults.Select(x => x.Iid)).ToList()));
}
return(additionalSources);
}
