public async Task <bool> TryAddChannel(TwitchChannel channel)
{
var record = new TwitchChannelRecord
{
Id = channel.Id,
DisplayName = channel.DisplayName,
Followers = channel.Followers
};
using (var op = _log.BeginOperation("Adding channel to repository. Channel name {channelName} id {channelId}", channel.DisplayName, channel.Id))
using (ITransaction tx = _stateManager.CreateTransaction())
{
var channelDictionary = await GetChannelDictionary(tx);
if (!await channelDictionary.TryAddAsync(tx, record.Id, record))
{
return(false);
}
await tx.CommitAsync()
.ContinueWith(task => RepositoryIndexes.Instance.AddRecord(record.Id, record.DisplayName),
TaskContinuationOptions.OnlyOnRanToCompletion);
op.Complete();
}
return(true);
}
public async Task DeleteChannelById(string channelId)
{
using (var op = _log.BeginOperation("Removing channel {channelId} from repository", channelId))
using (ITransaction tx = _stateManager.CreateTransaction())
{
var channelDictionary = await GetChannelDictionary(tx);
ConditionalValue <TwitchChannelRecord> removedRecord = await channelDictionary.TryRemoveAsync(tx, channelId);
if (!removedRecord.HasValue)
{
return;
}
TwitchChannelRecord record = removedRecord.Value;
await tx.CommitAsync()
.ContinueWith(task => RepositoryIndexes.Instance.RemoveRecord(record.Id, record.DisplayName),
TaskContinuationOptions.OnlyOnRanToCompletion);
op.Complete();
}
}