/// <summary>
/// find all <typeparamref name="TContact"/> by <paramref name="query"/> if <paramref name="query"/> is not null,
/// else find all <typeparamref name="TContact"/>s.
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public async Task <IReadOnlyList <TContact> > FindAll([AllowNull] ContactQueryFilter?query = default)
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace($"findAll({JsonConvert.SerializeObject(query)})");
}
try
{
var contactIdList = await Puppet.ContactSearch(query);
var contactList = contactIdList.Select(id => Load(id))
.ToList();
const int BATCH_SIZE = 16;
var batchIndex = 0;
var invalid = new ConcurrentDictionary <string, bool>();
while (batchIndex * BATCH_SIZE < contactList.Count)
{
await Task.WhenAll(contactList.Skip(batchIndex *BATCH_SIZE)
.Take(BATCH_SIZE)
.Select(async contact =>
{
try
{
await contact.Ready();
}
catch (Exception exception)
{
invalid.TryAdd(contact.Id, true);
Logger.LogError(exception, "findAll() contact.ready() failed.");
}
}));
batchIndex++;
}
//return contactList.Where(c => invalid.ContainsKey(c.Id))
// .ToImmutableList();
return(contactList.ToImmutableList());
}
catch (Exception exception)
{
Logger.LogError(exception, "this.puppet.contactFindAll() rejected");
return(Array.Empty <TContact>());
}
}
