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using System.Collections.Generic;
using System.Linq;
using BirdsiteLive.DAL.Models;
namespace BSLManager.Domain
{
public class FollowersListState
{
private readonly List<string> _filteredDisplayableUserList = new List<string>();
private List<Follower> _sourceUserList = new List<Follower>();
private List<Follower> _filteredSourceUserList = new List<Follower>();
public void Load(List<Follower> followers)
{
_sourceUserList = followers.OrderByDescending(x => x.Followings.Count).ToList();
ResetLists();
}
private void ResetLists()
{
_filteredSourceUserList = _sourceUserList.ToList();
_filteredDisplayableUserList.Clear();
foreach (var follower in _sourceUserList)
{
var displayedUser = $"{GetFullHandle(follower)} ({follower.Followings.Count}) (err:{follower.PostingErrorCount})";
_filteredDisplayableUserList.Add(displayedUser);
}
}
public List<string> GetDisplayableList()
{
return _filteredDisplayableUserList;
}
public void FilterBy(string pattern)
{
ResetLists();
if (!string.IsNullOrWhiteSpace(pattern))
{
var elToRemove = _filteredSourceUserList
.Where(x => !GetFullHandle(x).Contains(pattern))
.Select(x => x)
.ToList();
foreach (var el in elToRemove)
{
_filteredSourceUserList.Remove(el);
var dElToRemove = _filteredDisplayableUserList.First(x => x.Contains(GetFullHandle(el)));
_filteredDisplayableUserList.Remove(dElToRemove);
}
}
}
private string GetFullHandle(Follower follower)
{
return $"@{follower.Acct}@{follower.Host}";
}
public void RemoveAt(int index)
{
var displayableUser = _filteredDisplayableUserList[index];
var sourceUser = _filteredSourceUserList[index];
_filteredDisplayableUserList.Remove(displayableUser);
_filteredSourceUserList.Remove(sourceUser);
_sourceUserList.Remove(sourceUser);
}
public Follower GetElementAt(int index)
{
return _filteredSourceUserList[index];
}
}
}