/// <summary>
/// Searches for contacts in database by given phone numbers.
/// </summary>
/// <param name="phones">List of phone numbers to search by.</param>
/// <returns>Collection of ids of found contacts.</returns>
public IEnumerable <Guid> SearchByPhones(List <string> phones)
{
EntitySchemaQuery esq = GetEsqForContactSearch();
EntitySchemaQueryFilterCollection filters = PhoneNumberComparer.GetSearchContactFilters(esq, phones);
if (filters.IsNullOrEmpty())
{
return(new List <Guid>());
}
esq.Filters.Add(filters);
return(FindContacts(esq));
}
