447 lines
18 KiB
C#
447 lines
18 KiB
C#
using SharpChat.Configuration;
|
|
using SharpChat.Events;
|
|
using SharpChat.Users;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
|
|
namespace SharpChat.Channels {
|
|
public class ChannelException : Exception { }
|
|
public class ChannelExistException : ChannelException { }
|
|
public class ChannelInvalidNameException : ChannelException { }
|
|
|
|
public class ChannelManager : IEventHandler {
|
|
private Dictionary<string, Channel> Channels { get; } = new();
|
|
|
|
private IConfig Config { get; }
|
|
private CachedValue<string[]> ChannelIds { get; }
|
|
|
|
private IEventDispatcher Dispatcher { get; }
|
|
private ChatBot Bot { get; }
|
|
private object Sync { get; } = new();
|
|
|
|
public ChannelManager(IEventDispatcher dispatcher, IConfig config, ChatBot bot) {
|
|
Dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
|
|
Config = config ?? throw new ArgumentNullException(nameof(config));
|
|
Bot = bot ?? throw new ArgumentNullException(nameof(bot));
|
|
ChannelIds = Config.ReadCached(@"channels", new[] { @"lounge" });
|
|
}
|
|
|
|
public void UpdateChannels() {
|
|
lock(Sync) {
|
|
string[] channelIds = ChannelIds.Value.Clone() as string[];
|
|
|
|
foreach(IChannel channel in Channels.Values) {
|
|
if(channelIds.Contains(channel.ChannelId)) {
|
|
using IConfig config = Config.ScopeTo($@"channels:{channel.ChannelId}");
|
|
string name = config.ReadValue(@"name", channel.ChannelId);
|
|
string topic = config.ReadValue(@"topic");
|
|
bool autoJoin = config.ReadValue(@"autoJoin", false);
|
|
string password = null;
|
|
int? minRank = null;
|
|
uint? maxCapacity = null;
|
|
|
|
if(!autoJoin) {
|
|
password = config.ReadValue(@"password", string.Empty);
|
|
if(string.IsNullOrEmpty(password))
|
|
password = null;
|
|
|
|
minRank = config.SafeReadValue(@"minRank", 0);
|
|
maxCapacity = config.SafeReadValue(@"maxCapacity", 0u);
|
|
}
|
|
|
|
Update(channel, name, topic, false, minRank, password, autoJoin, maxCapacity);
|
|
} else if(!channel.IsTemporary) // Not in config == temporary
|
|
Update(channel, temporary: true);
|
|
}
|
|
|
|
foreach(string channelId in channelIds) {
|
|
if(Channels.ContainsKey(channelId))
|
|
continue;
|
|
using IConfig config = Config.ScopeTo($@"channels:{channelId}");
|
|
string name = config.ReadValue(@"name", channelId);
|
|
string topic = config.ReadValue(@"topic");
|
|
bool autoJoin = config.ReadValue(@"autoJoin", false);
|
|
string password = null;
|
|
int minRank = 0;
|
|
uint maxCapacity = 0;
|
|
|
|
if(!autoJoin) {
|
|
password = config.ReadValue(@"password", string.Empty);
|
|
if(string.IsNullOrEmpty(password))
|
|
password = null;
|
|
|
|
minRank = config.SafeReadValue(@"minRank", 0);
|
|
maxCapacity = config.SafeReadValue(@"maxCapacity", 0u);
|
|
}
|
|
|
|
Create(channelId, Bot.UserId, name, topic, false, minRank, password, autoJoin, maxCapacity);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void Remove(IChannel channel, IUser user = null) {
|
|
if(channel == null)
|
|
throw new ArgumentNullException(nameof(channel));
|
|
|
|
lock(Sync) {
|
|
Channel chan = null;
|
|
if(channel is Channel c && Channels.ContainsValue(c))
|
|
chan = c;
|
|
else if(Channels.TryGetValue(channel.ChannelId, out Channel c2))
|
|
chan = c2;
|
|
|
|
if(chan == null)
|
|
return; // exception?
|
|
|
|
// Remove channel from the listing
|
|
Channels.Remove(chan.ChannelId);
|
|
|
|
// Broadcast death
|
|
Dispatcher.DispatchEvent(this, new ChannelDeleteEvent(user ?? Bot, chan));
|
|
|
|
// Move all users back to the main channel
|
|
// TODO:!!!!!!!!! Replace this with a kick. SCv2 supports being in 0 channels, SCv1 should force the user back to DefaultChannel.
|
|
// Could be handled by the user/session itself?
|
|
//foreach(ChatUser user in channel.GetUsers()) {
|
|
// Context.SwitchChannel(user, DefaultChannel);
|
|
//}
|
|
|
|
// Broadcast deletion of channel (deprecated)
|
|
/*foreach(IUser u in Users.OfRank(chan.MinimumRank))
|
|
u.SendPacket(new ChannelDeletePacket(chan));*/
|
|
}
|
|
}
|
|
|
|
private bool Exists(string name) {
|
|
if(name == null)
|
|
throw new ArgumentNullException(nameof(name));
|
|
lock(Sync)
|
|
return Channels.Values.Any(c => c.Name.Equals(name, StringComparison.InvariantCultureIgnoreCase));
|
|
}
|
|
|
|
private void ValidateName(string name) {
|
|
if(!name.All(c => char.IsLetter(c) || char.IsNumber(c) || c == '-'))
|
|
throw new ChannelInvalidNameException();
|
|
if(Exists(name))
|
|
throw new ChannelExistException();
|
|
}
|
|
|
|
public IChannel Create(
|
|
IUser user,
|
|
string name,
|
|
string topic = null,
|
|
bool temp = true,
|
|
int minRank = 0,
|
|
string password = null,
|
|
bool autoJoin = false,
|
|
uint maxCapacity = 0
|
|
) {
|
|
if(user == null)
|
|
throw new ArgumentNullException(nameof(user));
|
|
return Create(user.UserId, name, topic, temp, minRank, password, autoJoin, maxCapacity);
|
|
}
|
|
|
|
public IChannel Create(
|
|
long ownerId,
|
|
string name,
|
|
string topic = null,
|
|
bool temp = true,
|
|
int minRank = 0,
|
|
string password = null,
|
|
bool autoJoin = false,
|
|
uint maxCapacity = 0
|
|
) => Create(RNG.NextString(Channel.ID_LENGTH), ownerId, name, topic, temp, minRank, password, autoJoin, maxCapacity);
|
|
|
|
public IChannel Create(
|
|
string channelId,
|
|
long ownerId,
|
|
string name,
|
|
string topic = null,
|
|
bool temp = true,
|
|
int minRank = 0,
|
|
string password = null,
|
|
bool autoJoin = false,
|
|
uint maxCapacity = 0,
|
|
int order = 0
|
|
) {
|
|
if(name == null)
|
|
throw new ArgumentNullException(nameof(name));
|
|
ValidateName(name);
|
|
|
|
lock(Sync) {
|
|
Channel channel = new(channelId, name, topic, temp, minRank, password, autoJoin, maxCapacity, ownerId, order);
|
|
Channels.Add(channel.ChannelId, channel);
|
|
|
|
Dispatcher.DispatchEvent(this, new ChannelCreateEvent(channel));
|
|
|
|
// Broadcast creation of channel (deprecated)
|
|
/*if(Users != null)
|
|
foreach(IUser user in Users.OfRank(channel.MinimumRank))
|
|
user.SendPacket(new ChannelCreatePacket(channel));*/
|
|
|
|
return channel;
|
|
}
|
|
}
|
|
|
|
public void Update(
|
|
IChannel channel,
|
|
string name = null,
|
|
string topic = null,
|
|
bool? temporary = null,
|
|
int? minRank = null,
|
|
string password = null,
|
|
bool? autoJoin = null,
|
|
uint? maxCapacity = null,
|
|
int? order = null
|
|
) {
|
|
if(channel == null)
|
|
throw new ArgumentNullException(nameof(channel));
|
|
|
|
if(!(channel is Channel c && Channels.ContainsValue(c))) {
|
|
if(Channels.TryGetValue(channel.ChannelId, out Channel c2))
|
|
channel = c2;
|
|
else
|
|
throw new ArgumentException(@"Provided channel is not registered with this manager.", nameof(channel));
|
|
}
|
|
|
|
lock(Sync) {
|
|
string prevName = channel.Name;
|
|
bool nameUpdated = !string.IsNullOrWhiteSpace(name) && name != prevName;
|
|
|
|
if(nameUpdated)
|
|
ValidateName(name);
|
|
|
|
if(topic != null && channel.Topic.Equals(topic))
|
|
topic = null;
|
|
|
|
if(temporary.HasValue && channel.IsTemporary == temporary.Value)
|
|
temporary = null;
|
|
|
|
if(minRank.HasValue && channel.MinimumRank == minRank.Value)
|
|
minRank = null;
|
|
|
|
if(password != null && channel.Password == password)
|
|
password = null;
|
|
|
|
if(autoJoin.HasValue && channel.AutoJoin == autoJoin.Value)
|
|
autoJoin = null;
|
|
|
|
if(maxCapacity.HasValue && channel.MaxCapacity == maxCapacity.Value)
|
|
maxCapacity = null;
|
|
|
|
if(order.HasValue && channel.Order == order.Value)
|
|
order = null;
|
|
|
|
Dispatcher.DispatchEvent(this, new ChannelUpdateEvent(channel, Bot, name, topic, temporary, minRank, password, autoJoin, maxCapacity, order));
|
|
|
|
// Users that no longer have access to the channel/gained access to the channel by the hierarchy change should receive delete and create packets respectively
|
|
// TODO: should be moved to the usermanager probably
|
|
/*foreach(IUser user in Users.OfRank(channel.MinimumRank)) {
|
|
user.SendPacket(new ChannelUpdatePacket(prevName, channel));
|
|
|
|
if(nameUpdated)
|
|
user.ForceChannel();
|
|
}*/
|
|
}
|
|
}
|
|
|
|
public void GetChannel(Func<IChannel, bool> predicate, Action<IChannel> callback) {
|
|
if(predicate == null)
|
|
throw new ArgumentNullException(nameof(predicate));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
lock(Sync)
|
|
callback(Channels.Values.FirstOrDefault(predicate));
|
|
}
|
|
|
|
public void GetChannelById(string channelId, Action<IChannel> callback) {
|
|
if(channelId == null)
|
|
throw new ArgumentNullException(nameof(channelId));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
if(string.IsNullOrWhiteSpace(channelId)) {
|
|
callback(null);
|
|
return;
|
|
}
|
|
lock(Sync)
|
|
callback(Channels.TryGetValue(channelId, out Channel channel) ? channel : null);
|
|
}
|
|
|
|
public void GetChannelByName(string name, Action<IChannel> callback) {
|
|
if(name == null)
|
|
throw new ArgumentNullException(nameof(name));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
if(string.IsNullOrWhiteSpace(name)) {
|
|
callback(null);
|
|
return;
|
|
}
|
|
GetChannel(c => name.Equals(c.Name, StringComparison.InvariantCultureIgnoreCase), callback);
|
|
}
|
|
|
|
public void GetChannel(IChannel channel, Action<IChannel> callback) {
|
|
if(channel == null)
|
|
throw new ArgumentNullException(nameof(channel));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
lock(Sync) {
|
|
if(channel is Channel c && Channels.ContainsValue(c)) {
|
|
callback(c);
|
|
return;
|
|
}
|
|
|
|
GetChannel(channel.Equals, callback);
|
|
}
|
|
}
|
|
|
|
public void GetChannels(Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
lock(Sync) {
|
|
IEnumerable<IChannel> channels = Channels.Values;
|
|
if(ordered)
|
|
channels = channels.OrderBy(c => c.Order);
|
|
callback(channels);
|
|
}
|
|
}
|
|
|
|
public void GetChannels(Func<IChannel, bool> predicate, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(predicate == null)
|
|
throw new ArgumentNullException(nameof(predicate));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
lock(Sync) {
|
|
IEnumerable<IChannel> channels = Channels.Values.Where(predicate);
|
|
if(ordered)
|
|
channels = channels.OrderBy(c => c.Order);
|
|
callback(channels);
|
|
}
|
|
}
|
|
|
|
public void GetDefaultChannels(Action<IEnumerable<IChannel>> callback, bool ordered = true) {
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
// it doesn't really make sense for a channel to be temporary and autojoin
|
|
// maybe reconsider this in the future if the temp channel nuking strategy has adjusted
|
|
GetChannels(c => c.AutoJoin && !c.IsTemporary, callback, ordered);
|
|
}
|
|
|
|
public void GetChannelsById(IEnumerable<string> channelIds, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(channelIds == null)
|
|
throw new ArgumentNullException(nameof(channelIds));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
GetChannels(c => channelIds.Contains(c.ChannelId), callback, ordered);
|
|
}
|
|
|
|
public void GetChannelsByName(IEnumerable<string> names, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(names == null)
|
|
throw new ArgumentNullException(nameof(names));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
GetChannels(c => names.Contains(c.Name), callback, ordered);
|
|
}
|
|
|
|
public void GetChannels(IEnumerable<IChannel> channels, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(channels == null)
|
|
throw new ArgumentNullException(nameof(channels));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
GetChannels(c1 => channels.Any(c2 => c2.Equals(c1)), callback, ordered);
|
|
}
|
|
|
|
public void GetChannels(int minRank, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
GetChannels(c => c.MinimumRank <= minRank, callback, ordered);
|
|
}
|
|
|
|
public void GetChannels(IUser user, Action<IEnumerable<IChannel>> callback, bool ordered = false) {
|
|
if(user == null)
|
|
throw new ArgumentNullException(nameof(user));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
GetChannels(c => c is Channel channel && channel.HasUser(user), callback, ordered);
|
|
}
|
|
|
|
public void VerifyPassword(IChannel channel, string password, Action<bool> callback) {
|
|
if(channel == null)
|
|
throw new ArgumentNullException(nameof(channel));
|
|
if(password == null)
|
|
throw new ArgumentNullException(nameof(password));
|
|
if(callback == null)
|
|
throw new ArgumentNullException(nameof(callback));
|
|
|
|
GetChannel(channel, c => {
|
|
if(c is not Channel channel) {
|
|
callback(false);
|
|
return;
|
|
}
|
|
|
|
if(!channel.HasPassword) {
|
|
callback(true);
|
|
return;
|
|
}
|
|
|
|
callback(channel.VerifyPassword(password));
|
|
});
|
|
}
|
|
|
|
private void OnCreate(object sender, ChannelCreateEvent cce) {
|
|
if(sender == this)
|
|
return;
|
|
|
|
lock(Sync) {
|
|
if(Exists(cce.Name))
|
|
throw new ArgumentException(@"Channel already registered??????", nameof(cce));
|
|
|
|
Channels.Add(cce.ChannelId, new Channel(
|
|
cce.ChannelId,
|
|
cce.Name,
|
|
cce.Topic,
|
|
cce.IsTemporary,
|
|
cce.MinimumRank,
|
|
cce.Password,
|
|
cce.AutoJoin,
|
|
cce.MaxCapacity,
|
|
cce.UserId,
|
|
cce.Order
|
|
));
|
|
}
|
|
}
|
|
|
|
private void OnDelete(object sender, ChannelDeleteEvent cde) {
|
|
if(sender == this)
|
|
return;
|
|
|
|
lock(Sync)
|
|
Channels.Remove(cde.ChannelId);
|
|
}
|
|
|
|
private void OnEvent(object sender, IEvent evt) {
|
|
Channel channel;
|
|
lock(Sync)
|
|
if(!Channels.TryGetValue(evt.ChannelId, out channel))
|
|
channel = null;
|
|
channel?.HandleEvent(sender, evt);
|
|
}
|
|
|
|
public void HandleEvent(object sender, IEvent evt) {
|
|
switch(evt) {
|
|
case ChannelCreateEvent cce:
|
|
OnCreate(sender, cce);
|
|
break;
|
|
case ChannelDeleteEvent cde:
|
|
OnDelete(sender, cde);
|
|
break;
|
|
|
|
case ChannelUpdateEvent _:
|
|
case ChannelUserJoinEvent _:
|
|
case ChannelUserLeaveEvent _:
|
|
OnEvent(sender, evt);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|