public async Task <string> CreateGroup(GroupModel groupModel)
{
var user = await _userManager.FindByNameAsync(Thread.CurrentPrincipal.Identity.Name);
List <string> userList = new List <string>();
userList.Add(user.Id);
var chat = new Chat {
ChatName = groupModel.Name, ChatType = ChatEnum.ChatForGroup, CreatorId = user.Id, Created = DateTime.Now
};
_context.Chats.Add(chat);
_context.Entry(chat).State = EntityState.Added;
var chatForGroup = new ChatForGroup()
{
ChatId = chat.Id,
IsPublic = groupModel.IsPublic,
CreatorMode = groupModel.CreatorMode
};
AddGroupPhoto(groupModel, chatForGroup);
_context.ChatsForGroup.Add(chatForGroup);
_context.Entry(chatForGroup).State = EntityState.Added;
_context.GroupsUsers.Add(new GroupsUsers()
{
GroupId = chatForGroup.Id, UserId = user.Id
});
foreach (var item in groupModel.Users)
{
var id = (await _userManager.FindByNameAsync(item)).Id;
userList.Add(id);
_context.GroupsUsers.Add(new GroupsUsers()
{
GroupId = chatForGroup.Id, UserId = id
});
}
await _context.SaveChangesAsync();
var newChat = new ChatListModel()
{
ChatId = chat.Id,
ChatName = groupModel.Name,
ChatEnum = ChatEnum.ChatForGroup,
PhotoPath = groupModel.PhotoPath
};
await _hubContext.Clients.Users(userList).SendAsync("NewChat", newChat);
return(chat.Id);
}
private async Task AddGroupPhoto(GroupModel group, ChatForGroup chatForGroup)
{
if (!String.IsNullOrEmpty(group.PhotoPath))
{
if (chatForGroup.FileDb is null)
{
chatForGroup.FileDb = new FileDb();
chatForGroup.FileDb.IsImage = true;
}
chatForGroup.FileDb.FilePath = group.PhotoPath;
}
}
