private async void SendBtn_Click(object sender, RoutedEventArgs e)
{
if (to_user_id != null)
{
Object api = settings.Values["api"];
Object id = settings.Values["userid"];
var notification = new SendChatModel()
{
to = to_user_id,
from = id.ToString(),
content = NotificationContentTB.Text,
timestamp = new DateTime()
};
if (api != null && id != null)
{
try
{
var httpClient = new HttpClient();
var response = await httpClient.PostAsJsonAsync(common.getIP() + "api/sendchat/" + api.ToString() + "/" + id.ToString(), notification);
if (response.IsSuccessStatusCode)
{
var n = new ChatModel()
{
content = NotificationContentTB.Text,
alignment = "Right"
};
items.Add(n);
}
else
{
MessageDialog md = new MessageDialog("Error occur send notification. Try again later.");
await md.ShowAsync();
}
NotificationContentTB.Text = "";
}
catch
{
NotificationContentTB.Text = "";
MessageDialog md = new MessageDialog("Error occur send notification. Try again later.");
await md.ShowAsync();
}
}
}
}
public ResponseMessage SendMessage([FromBody] SendChatModel sendChat)
{
try
{
if (db.sendmessage(sendChat.id_send, sendChat.id_recive, sendChat.message) > 0)
{
return(new ResponseMessage("sucsess", "Đã gửi", 1));
}
else
{
return(new ResponseMessage("Lỗi :("));
}
}
catch (Exception)
{
return(new ResponseMessage("lỗi không gửi được"));
}
}
public ActionResult CheckProfileQuotient(SendChatModel model)
{
var response = _userService.GetProfileQuotient(model.SenderId, model.RevceiverId);
return(Ok(APIResponse.CreateResponse(_jwtAuthentication.Value, _httpContextAccessor.HttpContext.Request, response)));
}
public ActionResult SaveInvite(SendChatModel model)
{
var response = _userService.SaveChatInvite(model.SenderId, model.RevceiverId, model.mode);
return(Ok(APIResponse.CreateResponse(_jwtAuthentication.Value, _httpContextAccessor.HttpContext.Request, response)));
}
public async Task <ResultModel> SendChat([FromBody] SendChatModel model)
{
var ret = new ResultModel {
IsSucceeded = true
};
if (!SystemConfiguration.Config.CanDiscussion)
{
ret.IsSucceeded = false;
ret.ErrorMessage = "管理员未开启讨论功能";
return(ret);
}
var(user, privilege) = await GetUserPrivilegeAsync();
if (user != null)
{
if (!user.EmailConfirmed)
{
ret.ErrorMessage = "没有验证邮箱";
ret.IsSucceeded = false;
return(ret);
}
if (user.Coins < 10 && !HasAdminPrivilege(privilege))
{
ret.ErrorMessage = "金币余额不足";
ret.IsSucceeded = false;
return(ret);
}
if (string.IsNullOrWhiteSpace(model.Content))
{
ret.ErrorMessage = "请输入消息内容";
ret.IsSucceeded = false;
return(ret);
}
if (model.Content.Length > 65536)
{
ret.ErrorMessage = "消息内容过长";
ret.IsSucceeded = false;
return(ret);
}
var sendTime = DateTime.Now;
var content = HttpUtility.HtmlEncode(model.Content);
var pid = model.ProblemId == 0 ? null : (int?)model.ProblemId;
var cid = model.ContestId == 0 ? null : (int?)model.ContestId;
var gid = model.GroupId == 0 ? null : (int?)model.GroupId;
using (var db = new ApplicationDbContext(_dbContextOptions))
{
if (cid != null)
{
var contest = await db.Contest.Select(i => new { i.Id, i.Config }).FirstOrDefaultAsync(i => i.Id == cid);
if (contest != null)
{
var config = JsonConvert.DeserializeObject <ContestConfiguration>(contest.Config ?? "{}");
if (!config.CanDiscussion)
{
ret.ErrorMessage = "该比赛未开启讨论功能";
ret.IsSucceeded = false;
return(ret);
}
}
}
var lastSubmit = await db.Discussion.OrderByDescending(i => i.SubmitTime).FirstOrDefaultAsync(i => i.UserId == user.Id);
if (lastSubmit != null && (DateTime.Now - lastSubmit.SubmitTime) < TimeSpan.FromSeconds(10))
{
ret.ErrorMessage = "消息发送过于频繁，请等待 10 秒后再试";
ret.IsSucceeded = false;
return(ret);
}
var dis = new Discussion
{
UserId = user.Id,
Content = content,
SubmitTime = sendTime,
ReplyId = model.ReplyId,
ProblemId = pid,
ContestId = cid,
GroupId = gid
};
db.Discussion.Add(dis);
await db.SaveChangesAsync();
if (model.ReplyId != 0)
{
var previousDis = await db.Discussion
.Include(i => i.UserInfo)
.Include(i => i.Problem)
.Include(i => i.Contest)
.Include(i => i.Group)
.Select(i => new
{
i.Id,
i.UserId,
i.ProblemId,
ProblemName = i.Problem.Name,
i.ContestId,
ContestName = i.Contest.Name,
i.GroupId,
GroupName = i.Group.Name,
i.Content,
i.SubmitTime
}).FirstOrDefaultAsync(i => i.Id == model.ReplyId);
if (previousDis != null)
{
var link = string.Empty;
var position = string.Empty;
if (cid == null)
{
if (pid == null)
{
link = "/";
position = "主页";
}
else
{
link = $"/ProblemDetails/{pid}";
position = $"题目 {pid} - {previousDis.ProblemName}";
}
}
else
{
if (pid == null)
{
link = $"/ContestDetails/{cid}";
position = $"比赛 {cid} - {previousDis.ContestName}";
}
else
{
link = $"/ProblemDetails/{cid}/{pid}";
position = $"比赛 {cid} - {previousDis.ContestName}，题目 {pid} - {previousDis.ProblemName}";
}
}
var msgContent = new MessageContent
{
Content = $"<h3><a href=\"/Account/{user.Id}\">{user.UserName}</a> 在 #{dis.Id} 回复了您的帖子 #{previousDis.Id}：</h3><br />" +
"<div style=\"width: 90 %; overflow: auto; max-height: 300px; \">" +
$"<pre style=\"white-space: pre-wrap; word-wrap: break-word;\">{new string(content.Take(128).ToArray()) + (content.Length > 128 ? "..." : string.Empty)}</pre></div>" +
"<br /><hr /><br /><h3>原帖内容：</h3><br />" +
"<div style=\"width: 90 %; overflow: auto; max-height: 300px; \">" +
$"<pre style=\"white-space: pre-wrap; word-wrap: break-word;\">{new string(previousDis.Content.Take(128).ToArray()) + (previousDis.Content.Length > 128 ? "..." : string.Empty)}</pre></div>" +
$"<br /><hr /><br /><h4>位置：{position}，<a href=\"{link}\">点此前往查看</a></h4>"
};
db.MessageContent.Add(msgContent);
await db.SaveChangesAsync();
db.Message.Add(new Message
{
FromUserId = null,
ToUserId = previousDis.UserId,
ContentId = msgContent.Id,
ReplyId = 0,
SendTime = DateTime.Now,
Status = 1,
Title = $"您的帖子 #{previousDis.Id} 有新的回复",
Type = 1
});
await db.SaveChangesAsync();
}
}
await _chatHub.Clients.Group($"pid-{model.ProblemId};cid-{model.ContestId};gid-{model.GroupId};")
.SendAsync("ChatMessage", dis.Id, user.Id, user.UserName, $"{sendTime.ToShortDateString()} {sendTime.ToLongTimeString()}", content, model.ReplyId);
}
user.Experience += 5;
if (!HasAdminPrivilege(privilege))
{
user.Coins -= 10;
}
await _userManager.UpdateAsync(user);
}
else
{
ret.ErrorMessage = "没有登录";
ret.IsSucceeded = false;
}
return(ret);
}
