public async Task NewGroupMessage(string userId, int chatId, string content, string msgType = "")
{
AppUser sender = userManager.Users
.FirstOrDefault(u => u.Id == userId);
string senderPhoto = (sender.ProfilePhotoUrl != null) ?
$"/UsersData/{sender.ProfilePhotoUrl}" : "/defaultAvatar.png";
string senderName = (sender.FirstName == null && sender.LastName == null) ?
sender.UserName : $"{sender.FirstName} {sender.LastName}";
GroupChat groupChat = repository.GroupChats.FirstOrDefault(c => c.ChatId == chatId);
string chatPhoto = (groupChat.ChatPhotoPath != null) ?
$"/UsersData/{groupChat.ChatPhotoPath}" : "/defaultGroup.png";
if (groupChat != null)
{
GroupChatMessage newMsg = new GroupChatMessage
{
GroupChatId = groupChat.ChatId,
UserId = sender.Id,
MessageContent = content,
MessageType = msgType
};
repository.NewGroupChatMessage(newMsg, groupChat);
await Clients.All.SendAsync("PostNewGroupMessage", newMsg.MessageId, groupChat.ChatId,
sender.Id, senderName, DateTime.Now.ToShortTimeString(), content, senderPhoto, msgType);
foreach (GroupChatUsers chatUser in repository.GroupChatUsers
.Where(g => g.GroupChatId == groupChat.ChatId))
{
int userUnseenMsgs = 0;
foreach (GroupChatMessage msg in repository.GroupChatMessages
.Where(m => m.GroupChatId == groupChat.ChatId))
{
if (msg.UserId != chatUser.UserId)
{
if (repository.GroupMessageViews.Any(m => m.MessageId == msg.MessageId &&
m.UserId == chatUser.UserId) == false)
{
userUnseenMsgs++;
}
}
}
await Clients.All.SendAsync("UserHeaderNewGroupMsg", sender.Id, chatUser.UserId,
groupChat.ChatId, senderName, DateTime.Now.ToShortTimeString(), content,
userUnseenMsgs, chatPhoto, groupChat.Title);
await Clients.All.SendAsync("ChatIndexNewGroupMsg", sender.Id, chatUser.UserId,
groupChat.ChatId, senderName, DateTime.Now.ToShortTimeString(), content,
userUnseenMsgs, chatPhoto, groupChat.Title);
}
}
}
public async Task <IActionResult> NewGroupStep3(NewGroupStep3ViewModel model)
{
ViewData["Id"] = model.UserId;
AppUser user = await userManager.FindByIdAsync(model.UserId);
if (user != null)
{
//group
Group group = repository.Groups
.FirstOrDefault(g => g.GroupId == model.GroupId);
if (model.CoursesIdString != null)
{
//list of users id
string courseIdList = model.CoursesIdString.Trim();
while (courseIdList.Trim().Length > 0)
{
int index = courseIdList.IndexOf(";");
if (index != -1)
{
string newCourseId = courseIdList.Substring(0, index);
int newCourseIdInt = Int32.Parse(newCourseId.Trim());
repository.AddCourseToGroup(newCourseIdInt, group.GroupId);
courseIdList = courseIdList.Replace(newCourseId + ";", "");
}
}
}
//send msg
if (group.GroupChatId != 0)
{
GroupChat groupChat = repository.GroupChats
.FirstOrDefault(g => g.ChatId == group.GroupChatId);
string userName = (user.FirstName == null && user.LastName == null) ?
user.UserName : user.FirstName + user.LastName;
string content = $"{userName} created a group chat";
GroupChatMessage newMsg = new GroupChatMessage
{
GroupChatId = group.GroupChatId,
UserId = user.Id,
MessageContent = content,
MessageType = "SystemMsg"
};
repository.NewGroupChatMessage(newMsg, groupChat);
}
//new notification
if (group.Status == "Public")
{
repository.NewNotification(user.Id, "AddUserToGroup", "Group", group.GroupId);
}
return(RedirectToAction("GroupDetails", new
{
id = group.CreatedBy.Id,
groupId = group.GroupId
}));
}
return(RedirectToAction("Error", "UserNotFound"));
}