public ChatUser(ChatUserVm chatUser)
{
UserId = chatUser.UserId;
ChatId = chatUser.ChatId ?? 0;
UserRole = chatUser.UserRole ?? UserRole;
Deleted = chatUser.Deleted ?? Deleted;
Banned = chatUser.Banned ?? Banned;
}
private static ChatUser GetChatUser(ChatUserVm chatUser)
{
return(chatUser == null
? null
: new ChatUser
{
Banned = chatUser.Banned ?? false,
Deleted = chatUser.Deleted ?? false,
ChatId = chatUser.ChatId ?? 0,
UserId = chatUser.UserId,
UserRole = chatUser.UserRole ?? UserRole.User,
InviterId = chatUser.InviterId,
Joined = chatUser.Joined,
IsMuted = chatUser.IsMuted.GetValueOrDefault()
});
}
public async Task <List <ChatUserVm> > EditChatUsersAsync(IEnumerable <ChatUserVm> users, long chatId, long userId)
{
using (MessengerDbContext context = contextFactory.Create())
{
ExpressionStarter <ChatUser> usersCondition = PredicateBuilder.New <ChatUser>();
usersCondition = users.Select(chatUser => chatUser.UserId).Aggregate(usersCondition,
(current, value) => current.Or(chatUser => chatUser.UserId == value).Expand());
Chat currentChat = await context.Chats.FindAsync(chatId).ConfigureAwait(false);
if (currentChat == null || currentChat.Deleted)
{
throw new ConversationNotFoundException();
}
List <ChatUser> chatUsers = await context.ChatUsers
.Where(usersCondition)
.Where(chatUser => chatUser.ChatId == chatId)
.ToListAsync()
.ConfigureAwait(false);
List <ChatUserVm> editedChatUsers = new List <ChatUserVm>();
ChatUser requestUser = await context.ChatUsers
.FirstOrDefaultAsync(opt => opt.UserId == userId && opt.ChatId == chatId).ConfigureAwait(false);
if (requestUser != null && requestUser.Banned)
{
throw new ChatUserBlockedException();
}
if (requestUser == null || !chatUsers.Any())
{
throw new UserIsNotInConversationException();
}
foreach (ChatUser user in chatUsers)
{
ChatUserVm changedChatUser = users.FirstOrDefault(chatUser => user.UserId == chatUser.UserId);
if (changedChatUser != null)
{
if (requestUser.UserRole > changedChatUser.UserRole &&
requestUser.UserRole > user.UserRole &&
changedChatUser.UserRole < UserRole.Creator)
{
user.UserRole = changedChatUser.UserRole ?? user.UserRole;
user.Deleted = changedChatUser.Deleted ?? user.Deleted;
user.Banned = changedChatUser.Banned ?? user.Banned;
editedChatUsers.Add(ChatUserConverter.GetChatUserVm(user));
}
else if (requestUser.UserId == changedChatUser.UserId)
{
user.Deleted = changedChatUser.Deleted ?? user.Deleted;
editedChatUsers.Add(ChatUserConverter.GetChatUserVm(user));
}
else
{
throw new EditConversationUsersException();
}
}
}
if (users.Any(opt => opt.Deleted.GetValueOrDefault() || opt.Banned.GetValueOrDefault()))
{
var query = from chat in context.Chats
join chatUser in context.ChatUsers on chat.Id equals chatUser.ChatId
join user in context.Users on chatUser.UserId equals user.Id
where chat.Id == chatId && !chatUser.Banned && !chatUser.Deleted
select user.NodeId;
var chatNodesId = (await query.ToListAsync().ConfigureAwait(false)).Distinct();
currentChat.NodesId = chatNodesId.Select(id => id.GetValueOrDefault()).ToArray();
}
await context.SaveChangesAsync().ConfigureAwait(false);
return(editedChatUsers);
}
}
