public PostCommand(User user, ITweetsRepository tweetsRepository, ParsedInput parsedInput, TextWriter textWriter)
{
_user = user;
_tweetsRepository = tweetsRepository;
_parsedInput = parsedInput;
_textWriter = textWriter;
}
public WallCommand(User user, ITweetsRepository tweetsRepository, TextWriter textWriter, ParsedInput parsedInput)
{
_user = user;
_tweetsRepository = tweetsRepository;
_textWriter = textWriter;
_parsedInput = parsedInput;
}
public ICommand Create(User user,
ParsedInput parsedInput,
ITweetsRepository tweetsRepository,
TextWriter textWriter)
{
switch (parsedInput.CommandType)
{
case CommandType.Read:
{
return new ReadCommand(user, tweetsRepository, textWriter, parsedInput);
}
case CommandType.Follow:
{
return new FollowCommand(user, new User(parsedInput.RequiredAction), textWriter);
}
case CommandType.Wall:
{
return new WallCommand(user, tweetsRepository, textWriter, parsedInput);
}
case CommandType.Post:
default:
{
return new PostCommand(user, tweetsRepository, parsedInput, textWriter);
}
}
}
public string FormatTweets(User user, bool isWall)
{
var formattedOutput = new StringBuilder();
var aggregatedList = _tweetsRepository.GetTweets(user).ToList();
if (isWall)
{
foreach (var followedUser in user.Following)
{
formattedOutput.AppendLine($"{user.Name} follows {followedUser.Name}");
aggregatedList.AddRange(_tweetsRepository.GetTweets(followedUser));
}
}
aggregatedList = aggregatedList.OrderByDescending(tweet => tweet.DatePublished).ToList();
foreach (var tweet in aggregatedList)
{
var dateDiff = (_currentTime - tweet.DatePublished);
formattedOutput.AppendLine(
$"{tweet.User.Name} - {tweet.Message} ({DateTimeHelper.GetFriendlyRelativeTime(dateDiff)})");
}
return formattedOutput.ToString();
}
public FollowCommand(User user, User userToFollow, TextWriter textWriter)
{
_user = user;
_userToFollow = userToFollow;
_textWriter = textWriter;
}
public IEnumerable<Tweet> GetTweets(User user)
{
return Tweets.Where(tweet => tweet.User.Name.Equals(user.Name, StringComparison.CurrentCultureIgnoreCase));
}
public void WhenTheyFollowUser(string userToFollow)
{
famousUser = new User(userToFollow);
_user.Follow(famousUser);
}
public void GivenAUserHasAnAccount(string username)
{
_user = new User(username);
_timeline = new Timeline(_tweetsRepository, _today);
}
public void GivenTheUserHasFollowed(string username, string userToFollow)
{
User user = _usersRepository.GetUser(username);
User famousUser = new User(userToFollow);
user.Following.Add(famousUser);
}
IEnumerable<Tweet> GetTweets(User user)
{
return _tweetsRepository.GetTweets(user);
}
public void Follow(User follower)
{
Following.Add(follower);
}
public Tweet(User user, string message, DateTime datePublished)
{
User = user;
Message = message;
DatePublished = datePublished;
}
