/// <summary>
/// 当用户与机器人不再为好友时，通过此方法通知协调器
/// </summary>
/// <param name="userSteamId">用户 Steam ID</param>
/// <param name="botId">机器人 ID</param>
public async Task OnUserBotRelationshipNone(string userSteamId, string botId)
{
using (var dbContext = new KeylolDbContext())
{
var userManager = new KeylolUserManager(dbContext);
var user = await userManager.FindBySteamIdAsync(userSteamId);
if (user == null)
{
// 非会员不再为好友时，如果存在已绑定的 SteamBindingToken 则清除之
var bindingTokens = await dbContext.SteamBindingTokens
.Where(t => t.SteamId == userSteamId && t.BotId == botId)
.ToListAsync();
dbContext.SteamBindingTokens.RemoveRange(bindingTokens);
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.DatabaseWin);
}
else if (user.SteamBotId == botId)
{
// 会员与自己的机器人不再为好友时，解除机器人绑定
user.SteamBotId = null;
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.DatabaseWin);
}
}
}
/// <summary>
/// 判断指定 Steam 账户是不是其乐用户并且匹配指定机器人
/// </summary>
/// <param name="steamId">Steam ID</param>
/// <param name="botId">机器人 ID</param>
/// <returns><c>true</c> 表示是其乐用户并于目标机器人匹配，<c>false</c> 表示不是</returns>
public async Task <bool> IsKeylolUser(string steamId, string botId)
{
using (var dbContext = new KeylolDbContext())
{
var userManager = new KeylolUserManager(dbContext);
var user = await userManager.FindBySteamIdAsync(steamId);
return(user != null && user.SteamBotId == botId);
}
}
/// <summary>
/// 更新指定用户的属性
/// </summary>
/// <param name="steamId">要更新的用户 Steam ID</param>
/// <param name="profileName">Steam 昵称，<c>null</c> 表示不更新</param>
public async Task UpdateUser(string steamId, string profileName)
{
using (var dbContext = new KeylolDbContext())
{
var userManager = new KeylolUserManager(dbContext);
var user = await userManager.FindBySteamIdAsync(steamId);
if (user == null)
{
return;
}
if (profileName != null)
{
user.SteamProfileName = profileName;
}
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.DatabaseWin);
}
}
/// <summary>
/// 当机器人收到新的聊天消息时，通过此方法通知协调器
/// </summary>
/// <param name="senderSteamId">消息发送人 Steam ID</param>
/// <param name="botId">机器人 ID</param>
/// <param name="message">聊天消息内容</param>
public async Task OnBotNewChatMessage(string senderSteamId, string botId, string message)
{
using (var dbContext = new KeylolDbContext())
{
var userManager = new KeylolUserManager(dbContext);
var user = await userManager.FindBySteamIdAsync(senderSteamId);
if (user == null)
{
// 非会员，只接受绑定验证码
var code = message.Trim();
var token = await dbContext.SteamBindingTokens
.SingleOrDefaultAsync(t => t.Code == code && t.SteamId == null);
if (token == null)
{
await Client.SendChatMessage(botId, senderSteamId,
"你的输入无法被识别，请确认登录验证码的长度和格式。如果需要帮助，请与其乐职员取得联系。");
}
else
{
token.BotId = botId;
token.SteamId = senderSteamId;
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.DatabaseWin);
NotificationProvider.Hub <SteamBindingHub, ISteamBindingHubClient>()
.Client(token.BrowserConnectionId)?
.OnBind(await Client.GetUserProfileName(botId, senderSteamId),
await Client.GetUserAvatarHash(botId, senderSteamId));
await Client.SendChatMessage(botId, senderSteamId,
"绑定成功，欢迎加入其乐！今后你可以向机器人发送对话快速登录社区，请勿将机器人从好友列表移除。");
await Task.Delay(TimeSpan.FromSeconds(5));
await Client.SendChatMessage(botId, senderSteamId,
"若希望在其乐上获得符合游戏兴趣的据点推荐，请避免将 Steam 资料隐私设置为「仅自己可见」。");
}
}
else
{
// 已有会员，接受登录验证码和调侃调戏
var match = Regex.Match(message, @"^\s*(\d{4})\s*$");
if (match.Success)
{
var code = match.Groups[1].Value;
try
{
var connectionId = await _oneTimeToken.Consume <string>(code, OneTimeTokenPurpose.SteamLogin);
var loginToken = await _oneTimeToken.Generate(user.Id, TimeSpan.FromMinutes(1),
OneTimeTokenPurpose.UserLogin);
NotificationProvider.Hub <SteamLoginHub, ISteamLoginHubClient>()
.Client(connectionId).OnLoginOneTimeToken(loginToken, user.UserName, user.AvatarImage);
await Client.SendChatMessage(botId, senderSteamId, "欢迎回来，你已成功登录其乐社区。");
}
catch (Exception)
{
await Client.SendChatMessage(botId, senderSteamId,
"你的输入无法被识别，请确认登录验证码的长度和格式。如果需要帮助，请与其乐职员取得联系。");
}
}
else
{
if (!AutoChatDisabledBots.ContainsKey(botId))
{
await Client.SendChatMessage(botId, senderSteamId, await AskTulingBotAsync(message, user.Id),
true);
}
}
}
}
}
/// <summary>
/// 当机器人接收到用户好友请求时，通过此方法通知协调器
/// </summary>
/// <param name="userSteamId">用户 Steam ID</param>
/// <param name="botId">机器人 ID</param>
public async Task OnBotNewFriendRequest(string userSteamId, string botId)
{
await Client.AddFriend(botId, userSteamId); // 先接受请求
using (var dbContext = new KeylolDbContext())
{
var userManager = new KeylolUserManager(dbContext);
var user = await userManager.FindBySteamIdAsync(userSteamId);
if (user == null)
{
// 非会员，在注册时绑定机器人
NotificationProvider.Hub <SteamBindingHub, ISteamBindingHubClient>()
.Clients(await dbContext.SteamBindingTokens.Where(t => t.BotId == botId)
.Select(t => t.BrowserConnectionId)
.ToListAsync())?
.OnFriend();
await Task.Delay(TimeSpan.FromSeconds(3));
await Client.SendChatMessage(botId, userSteamId,
"欢迎使用当前 Steam 账号加入其乐，请输入你在网页上获取的 8 位绑定验证码。");
var queueName = MqClientProvider.SteamBotDelayedActionQueue(botId);
_mqChannel.QueueDeclare(queueName, true, false, false, null);
_mqChannel.SendMessage(MqClientProvider.DelayedMessageExchange,
queueName, new SteamBotDelayedActionDto
{
Type = SteamBotDelayedActionType.RemoveFriend,
Properties = new
{
OnlyIfNotKeylolUser = true,
Message = "抱歉，你的会话因超时被强制结束，机器人已将你从好友列表中暂时移除。若要加入其乐，请重新按照网页指示注册账号。",
SteamId = userSteamId
}
}, 300000);
}
else
{
// 现有会员添加机器人为好友
var bot = await dbContext.SteamBots.FindAsync(botId);
if (user.SteamBotId == null && bot != null && bot.FriendCount < bot.FriendUpperLimit)
{
// 用户此前删除了机器人好友，重新设定当前机器人为绑定的机器人
user.SteamBotId = botId;
user.SteamBindingTime = DateTime.Now;
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.DatabaseWin);
await Task.Delay(TimeSpan.FromSeconds(3));
await Client.SendChatMessage(botId, userSteamId,
"你已成功与其乐机器人再次绑定，请务必不要将其乐机器人从好友列表中移除。");
}
else
{
// 用户状态正常但是添加了新的机器人好友，应当移除好友
await Task.Delay(TimeSpan.FromSeconds(3));
await Client.SendChatMessage(botId, userSteamId,
"你已绑定另一其乐机器人，当前机器人已拒绝你的好友请求。如有需要，你可以在其乐设置表单中找到你绑定的机器人帐号。");
await Client.RemoveFriend(botId, userSteamId);
}
}
}
}
