public async Task <IActionResult> RemoveUserFromGroup(string adminId, int groupId,
string userId)
{
AppUser user = await userManager.FindByIdAsync(adminId);
Group group = repository.Groups.FirstOrDefault(g => g.GroupId == groupId);
if (user != null)
{
repository.RemoveUserFromGroup(groupId, userId);
//remove user from chat
if (group.GroupChatId != 0)
{
if (repository.GroupChatUsers
.FirstOrDefault(g => g.GroupChatId == group.GroupChatId && g.UserId == userId) != null)
{
repository.RemoveUserFromGroupChat(group.GroupChatId, userId);
}
}
//remove notification for user
Notification notification = repository.Notifications
.FirstOrDefault(n => n.For == "Group" && n.ForId == groupId &&
n.Subject == "NewGroupUser" && n.ForUserId == userId);
if (notification != null)
{
repository.DeleteNotification(notification.NotificationId);
}
return(RedirectToAction("GroupDetails", new { id = adminId, groupId }));
}
else
{
return(RedirectToAction("UserNotFound", "Error"));
}
}
public async Task GroupChatRemoveUser(int chatId, string userId)
{
AppUser user = userManager.Users.FirstOrDefault(u => u.Id == userId);
GroupChat chat = repository.GroupChats.FirstOrDefault(c => c.ChatId == chatId);
AppUser chatAdmin = userManager.Users.FirstOrDefault(u => u.Id == chat.CreatedBy);
GroupChatUsers chatUser = repository.GroupChatUsers.FirstOrDefault(cu => cu.GroupChatId == chatId &&
cu.UserId == userId);
repository.RemoveUserFromGroupChat(chatId, user.Id);
string msg = ((user.FirstName == null && user.LastName == null) ?
user.UserName : $"{user.FirstName} {user.LastName}") + " has left the conversation";
await NewGroupMessage(chatAdmin.Id, chatId, msg, "SystemMsg");
await Clients.All.SendAsync("DeleteChatFromHeader", chatId, userId);
await Clients.All.SendAsync("DeleteChatFromIndex", chatId, userId);
await Clients.All.SendAsync("DeleteUserFromList", chatId, userId);
await Clients.All.SendAsync("ExitChat", chatId, userId);
}