public async Task <IActionResult> OnPostSendChatInvitationAsync(string returnUrl = null)
{
returnUrl ??= Url.Content("~/");
var currentUser = await _userManager.GetUserAsync(User);
var chatUser = await _context.Users
.FirstOrDefaultAsync(u => u.Id == SendChatInvitationInput.ChatUserID);
if (currentUser.Id == chatUser.Id)
{
return(BadRequest());
}
bool hasChat = await _context.Membership
.OfType <PersonalGroupMembership>()
.Include(m => m.Group)
.ThenInclude(g => g.Memberships)
.Where(m => m.ChatUserID == currentUser.Id)
.AnyAsync(m => m.Group.Memberships.FirstOrDefault(_m => _m.ChatUserID != currentUser.Id).ChatUserID == chatUser.Id);
if (hasChat)
{
return(BadRequest());
}
bool eitherInviteSent = await _context.PersonalChatInvitation
.AnyAsync(i => (i.ChatUserID == chatUser.Id && i.SenderID == currentUser.Id) ||
(i.ChatUserID == currentUser.Id && i.SenderID == chatUser.Id));
if (eitherInviteSent)
{
return(BadRequest());
}
var invitation = new PersonalChatInvitation()
{
ChatUserID = chatUser.Id,
SenderID = currentUser.Id,
DateSent = DateTime.Now,
Message = SendChatInvitationInput.Message
};
await _context.PersonalChatInvitation.AddAsync(invitation);
await _context.SaveChangesAsync();
await _hubContext.SendNewNotificationAsync(chatUser.Id);
return(LocalRedirect(returnUrl));
}
public async Task <IActionResult> OnPostInviteToGroupAsync(string returnUrl = null)
{
returnUrl ??= Url.Content("~/");
var chatUser = await _context.Users
.Include(u => u.GroupJoinInvitations)
.Include(u => u.Memberships)
.FirstOrDefaultAsync(u => u.Id == InviteToGroupInput.UserID);
if (chatUser == null)
{
return(LocalRedirect(returnUrl));
}
if (!chatUser.UserName.Equals(InviteToGroupInput.UserName))
{
return(LocalRedirect(returnUrl));
}
var group = await _context.Group
.OfType <MultiuserGroup>()
.Include(g => g.BannedUsers)
.FirstOrDefaultAsync(g => g.GroupID == InviteToGroupInput.GroupID);
if (group == null)
{
return(NotFound());
}
if (chatUser.GroupJoinInvitations.FirstOrDefault(i => i.GroupID == group.GroupID) != null ||
chatUser.Memberships.FirstOrDefault(m => m.GroupID == group.GroupID) != null ||
group.BannedUsers.FirstOrDefault(u => u.Id == chatUser.Id) != null)
{
return(LocalRedirect(returnUrl));
}
GroupJoinInvitation invitation = new GroupJoinInvitation()
{
GroupID = group.GroupID,
DateSent = DateTime.Now,
Message = InviteToGroupInput.Message
};
chatUser.GroupJoinInvitations.Add(invitation);
await _context.SaveChangesAsync();
await _hubContext.SendNewNotificationAsync(chatUser.Id);
return(LocalRedirect(returnUrl));
}