90 lines
2.6 KiB
C#
90 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace SharpChat {
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public class UserManager : IDisposable {
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private readonly List<ChatUser> Users = new List<ChatUser>();
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public readonly ChatContext Context;
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public bool IsDisposed { get; private set; }
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public UserManager(ChatContext context) {
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Context = context;
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}
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public void Add(ChatUser user) {
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if (user == null)
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throw new ArgumentNullException(nameof(user));
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lock(Users)
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if(!Contains(user))
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Users.Add(user);
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}
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public void Remove(ChatUser user) {
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if (user == null)
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return;
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lock(Users)
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Users.Remove(user);
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}
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public bool Contains(ChatUser user) {
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if (user == null)
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return false;
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lock (Users)
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return Users.Contains(user) || Users.Any(x => x.UserId == user.UserId || x.Username.ToLowerInvariant() == user.Username.ToLowerInvariant());
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}
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public ChatUser Get(long userId) {
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lock(Users)
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return Users.FirstOrDefault(x => x.UserId == userId);
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}
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public ChatUser Get(string username, bool includeNickName = true, bool includeDisplayName = true) {
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if (string.IsNullOrWhiteSpace(username))
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return null;
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username = username.ToLowerInvariant();
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lock(Users)
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return Users.FirstOrDefault(x => x.Username.ToLowerInvariant() == username
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|| (includeNickName && x.Nickname?.ToLowerInvariant() == username)
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|| (includeDisplayName && x.DisplayName.ToLowerInvariant() == username));
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}
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public IEnumerable<ChatUser> OfHierarchy(int hierarchy) {
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lock (Users)
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return Users.Where(u => u.Rank >= hierarchy).ToList();
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}
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public IEnumerable<ChatUser> WithActiveConnections() {
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lock (Users)
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return Users.Where(u => u.HasSessions).ToList();
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}
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public IEnumerable<ChatUser> All() {
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lock (Users)
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return Users.ToList();
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}
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~UserManager()
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=> Dispose(false);
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public void Dispose()
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=> Dispose(true);
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private void Dispose(bool disposing) {
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if (IsDisposed)
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return;
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IsDisposed = true;
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Users.Clear();
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if (disposing)
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GC.SuppressFinalize(this);
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}
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}
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}
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