public GoogleContactContext (GoogleGroupCache groupCache, IGoogleApiOperationExecutor apiOperationExecutor, IEqualityComparer<string> contactIdComparer, string userName)
{
if (groupCache == null)
throw new ArgumentNullException (nameof (groupCache));
if (apiOperationExecutor == null)
throw new ArgumentNullException (nameof (apiOperationExecutor));
if (contactIdComparer == null)
throw new ArgumentNullException (nameof (contactIdComparer));
if (String.IsNullOrEmpty (userName))
throw new ArgumentException ("Argument is null or empty", nameof (userName));
GroupCache = groupCache;
_apiOperationExecutor = apiOperationExecutor;
_userName = userName;
_contactsById = new Dictionary<string, Contact> (contactIdComparer);
}
public string[] GetOrCreateGoogleGroups(int amount)
{
var groupCache = new GoogleGroupCache(Components.GoogleApiOperationExecutor);
groupCache.Fill();
var existingGroupNames = new HashSet <string> (groupCache.Groups.Select(g => g.Title), StringComparer.InvariantCultureIgnoreCase);
while (existingGroupNames.Count < amount)
{
string groupName = "Group";
for (var groupSuffix = 1; existingGroupNames.Contains(groupName); groupName = $"Group {groupSuffix++}")
{
;
}
existingGroupNames.Add(groupName);
groupCache.GetOrCreateGroup(groupName);
}
return(existingGroupNames.Take(amount).ToArray());
}