public async Task <IEnumerable <SearchResult> > Search(string searchTerm)
{
//get results from all enabled search providers
var searchTasks = new List <Task <IEnumerable <SearchResult> > >();
foreach (var searchProvider in _config.EnabledSearchProviders)
{
searchTasks.Add(SearchUsingSearchProvider(searchTerm, searchProvider));
}
var results = await Task.WhenAll(searchTasks);
//aggregate results
return(await _aggregatorService.AggregateResults(results));
}