hermes-server/Services/ChannelManager.cs

93 lines
2.6 KiB
C#

using System.Collections.Concurrent;
using HermesSocketLibrary.db;
using HermesSocketServer.Models;
using HermesSocketServer.Store;
namespace HermesSocketServer.Services
{
public class ChannelManager
{
private readonly UserStore _users;
private readonly Database _database;
private readonly Serilog.ILogger _logger;
private readonly IDictionary<string, Channel> _channels;
private readonly object _lock;
public ChannelManager(UserStore users, Database database, Serilog.ILogger logger)
{
_users = users;
_database = database;
_logger = logger;
_channels = new ConcurrentDictionary<string, Channel>();
_lock = new object();
}
public async Task<Channel?> Add(string userId)
{
var user = _users.Get(userId);
if (user == null)
{
return null;
}
lock (_lock)
{
if (_channels.ContainsKey(userId))
{
return null;
}
}
var chatters = new ChatterStore(userId, _database, _logger);
var policies = new PolicyStore(userId, _database, _logger);
await Task.WhenAll([
chatters.Load(),
policies.Load(),
]);
var channel = new Channel()
{
Id = userId,
User = user,
Chatters = chatters,
Policies = policies
};
lock (_lock)
{
_channels.Add(userId, channel);
}
return channel;
}
public Channel? Get(string channelId)
{
if (_channels.TryGetValue(channelId, out var channel))
return channel;
return null;
}
public async Task Save(string userId)
{
if (!_channels.TryGetValue(userId, out var channel))
return;
await Task.WhenAll([
channel.Chatters.Save(),
channel.Policies.Save(),
]);
}
public async Task Save()
{
foreach (var channel in _channels.Values)
{
_logger.Debug($"Saving channel data to database [channel id: {channel.Id}][channel name: {channel.User.Name}]");
await Task.WhenAll([
channel.Chatters.Save(),
channel.Policies.Save(),
]);
}
}
}
}