public async Task <ChatRoomViewModel> Update(string applicationUserIdCurrent, ChatRoomViewModel chatRoomViewModel)
{
var applicationUserIds = chatRoomViewModel.Users.Select(u => u.ApplicationUserId).Concat(new string[] { applicationUserIdCurrent }).ToList();
var chatRoomEntity = mapper.Map <ChatRoomViewModel, ChatRoomEntity>(chatRoomViewModel);
chatRoomEntity = repositoryOfChatRoom.Read(a => a.Id == chatRoomEntity.Id);
// delete
chatRoomEntity.UserChats
.TakeWhile(userChat => !applicationUserIds.Any(applicationUserId => applicationUserId == userChat.UserProfile.ApplicationUserId))
.ToList()
.ForEach(async a => await repositoryOfUserChat.Delete(a));
// create
chatRoomEntity.UserChats = applicationUserIds
.TakeWhile(applicationUserId => !chatRoomEntity.UserChats.Any(userChat => userChat.UserProfile.ApplicationUserId == applicationUserId))
.Select(applicationUserId => {
var user = repositoryOfUserProfile.Read(b => b.ApplicationUserId == applicationUserId);
var UserChat = new UserChatEntity();
UserChat.ChatRoom = chatRoomEntity;
UserChat.ChatRoomId = chatRoomEntity.Id;
UserChat.UserId = user.Id;
UserChat.UserProfile = user;
return(UserChat);
});
chatRoomEntity = repositoryOfChatRoom.Update(chatRoomEntity);
chatRoomViewModel = mapper.Map <ChatRoomEntity, ChatRoomViewModel>(chatRoomEntity);
return(chatRoomViewModel);
}
public async Task <ChatRoomViewModel> Create(string applicationUserIdCurrent, ChatRoomViewModel chatRoomViewModel)
{
var applicationUserIds = chatRoomViewModel.Users.Select(u => u.ApplicationUserId).Concat(new string[] { applicationUserIdCurrent }).ToList();
var chatRoomEntity = mapper.Map <ChatRoomViewModel, ChatRoomEntity>(chatRoomViewModel);
chatRoomEntity = repositoryOfChatRoom.Create(chatRoomEntity);
chatRoomEntity.UserChats = applicationUserIds.Select(a => {
var user = repositoryOfUserProfile.Read(b => b.ApplicationUserId == a);
var UserChat = new UserChatEntity();
UserChat.ChatRoom = chatRoomEntity;
UserChat.ChatRoomId = chatRoomEntity.Id;
UserChat.UserId = user.Id;
UserChat.UserProfile = user;
return(repositoryOfUserChat.Create(UserChat));
}).ToList();
chatRoomViewModel = mapper.Map <ChatRoomEntity, ChatRoomViewModel>(chatRoomEntity);
return(chatRoomViewModel);
}