private static User[] ResolveGroups(PnPClientContext context, string[] groupNames)
{
List <User> groups = new List <User>();
foreach (var groupName in groupNames)
{
var groupCache = MEM_CACHE_GROUPS.FirstOrDefault(g => g.Key == groupName);
if (groupCache.Value == null)
{
try
{
var group = context.Web.EnsureUser(groupName);
context.Load(group);
context.ExecuteQueryRetry();
groups.Add(group);
MEM_CACHE_GROUPS.Add(groupName, group);
}
catch (Exception ex)
{
LogError($"Unable to resolve group: {groupName}", ex);
}
}
else
{
groups.Add(groupCache.Value);
}
}
return(groups.ToArray());
}