public Channel(IChannelSaveCommand saveCommand, IChannelDeleteCommand deleteCommand, IFeedCreator feedCreator)
{
_saveCommand = saveCommand;
_deleteCommand = deleteCommand;
_feedCreator = feedCreator;
}
public TweetFeedController(ITweetRetriever tweetRetriever, IFeedCreator feedCreator)
{
this.tweetRetriever = tweetRetriever;
this.feedCreator = feedCreator;
}