public async Task IsUserBlacklisted()
{
var user = fillTestDbHelper.Users.FirstOrDefault(opt => opt.BlackList.Any());
Assert.True(await loadUsersService.IsUserBlacklisted(user.Id, user.BlackList.Select(opt => opt.BadUid)));
Assert.False(await loadUsersService.IsUserBlacklisted(user.Id, new List <long> {
10
}));
}
public async Task <ChannelVm> CreateChannelAsync(ChannelVm channel, long creatorId, IEnumerable <ChannelUserVm> subscribers)
{
ChannelUser channelUser = new ChannelUser
{
ChannelUserRole = ChannelUserRole.Creator,
SubscribedTime = DateTime.UtcNow.ToUnixTime(),
UserId = creatorId,
Deleted = false
};
if (subscribers != null && await loadUsersService.IsUserBlacklisted(creatorId, subscribers.Select(opt => opt.UserId)).ConfigureAwait(false))
{
throw new UserBlockedException();
}
List <ChannelUser> channelUsers = new List <ChannelUser>()
{
channelUser
};
if (subscribers != null)
{
channelUsers.AddRange(ChannelConverter.GetChannelUsers(subscribers.Where(opt => opt.UserId != creatorId)));
}
List <UserVm> users = await loadUsersService.GetUsersByIdAsync(channelUsers.Select(opt => opt.UserId)).ConfigureAwait(false);
if (users.Count() < channelUsers.Count())
{
throw new UserNotFoundException();
}
Channel newChannel = new Channel
{
ChannelId = channel.ChannelId.GetValueOrDefault(await poolsService.GetChannelIdAsync().ConfigureAwait(false)),
About = channel.About,
Deleted = false,
ChannelName = channel.ChannelName,
CreationTime = DateTime.UtcNow.ToUnixTime(),
Photo = channel.Photo,
Tag = string.IsNullOrWhiteSpace(channel.Tag) ? RandomExtensions.NextString(10, "QWERTYUIOPASDFGHJKLZXCVBNM1234567890") : channel.Tag,
NodesId = users.Select(opt => opt.NodeId.GetValueOrDefault()).Distinct().ToArray()
};
using (MessengerDbContext context = contextFactory.Create())
{
newChannel.ChannelUsers = channelUsers;
var entityEntry = await context.Channels.AddAsync(newChannel).ConfigureAwait(false);
await context.SaveChangesAsync().ConfigureAwait(false);
var createdChannel = ChannelConverter.GetChannel(entityEntry.Entity);
createdChannel.SubscribersCount = newChannel.ChannelUsers.Count();
return(createdChannel);
}
}
public async Task <ChatVm> CreateChatAsync(ChatVm chatVm, long userId)
{
using (MessengerDbContext context = contextFactory.Create())
{
List <ChatUser> chatUsers = new List <ChatUser>();
using (var transaction = await context.Database.BeginTransactionAsync().ConfigureAwait(false))
{
if (chatVm.Users != null && await loadUsersService.IsUserBlacklisted(userId, chatVm.Users.Select(opt => opt.UserId)).ConfigureAwait(false))
{
throw new UserBlockedException();
}
Chat newChat = ChatConverter.GetChat(chatVm);
newChat.Tag = RandomExtensions.NextString(10, "QWERTYUIOPASDFGHJKLZXCVBNM1234567890");
newChat.Id = await poolsService.GetChatIdAsync().ConfigureAwait(false);
if (chatVm.Users != null)
{
chatUsers.AddRange(chatVm.Users.Where(opt => opt.UserId != userId).Select(chatUser => new ChatUser
{
Banned = chatUser.Banned.GetValueOrDefault(false),
Deleted = chatUser.Deleted.GetValueOrDefault(false),
Joined = DateTime.UtcNow.ToUnixTime(),
UserId = chatUser.UserId,
UserRole = chatUser.UserRole.GetValueOrDefault(UserRole.User),
InviterId = userId
}));
}
if (!chatUsers.Any(opt => opt.UserId == userId))
{
chatUsers.Add(new ChatUser
{
Banned = false,
Deleted = false,
Joined = DateTime.UtcNow.ToUnixTime(),
UserId = userId,
UserRole = UserRole.Creator
});
}
newChat.ChatUsers = chatUsers;
IEnumerable <UserVm> users = await loadUsersService.GetUsersByIdAsync(chatUsers.Select(chatUser => chatUser.UserId)).ConfigureAwait(false);
IEnumerable <long> nodesId = users.Select(user => user.NodeId ?? 0).Distinct();
newChat.NodesId = nodesId.ToArray();
await context.Chats.AddAsync(newChat).ConfigureAwait(false);
await context.SaveChangesAsync().ConfigureAwait(false);
transaction.Commit();
newChat.ChatUsers = chatUsers;
return(ChatConverter.GetChatVm(newChat));
}
}
}
public async Task <ChatVm> AddUsersToChatAsync(IEnumerable <long> usersId, long chatId, long userId)
{
using (MessengerDbContext context = contextFactory.Create())
{
using (var transaction = await context.Database.BeginTransactionAsync().ConfigureAwait(false))
{
Chat chat = await context.Chats.FirstOrDefaultAsync(opt => opt.Id == chatId).ConfigureAwait(false);
if (chat == null)
{
throw new ConversationNotFoundException(chatId);
}
User requestingUser = await context.Users.FindAsync(userId).ConfigureAwait(false);
if (requestingUser == null || requestingUser.Deleted)
{
throw new AddUserChatException();
}
ChatUser chatUser = await context.ChatUsers
.FirstOrDefaultAsync(opt => opt.ChatId == chatId && opt.UserId == userId).ConfigureAwait(false);
List <ChatUserVm> addedUsers = new List <ChatUserVm>();
if (chat.Deleted)
{
throw new ConversationIsNotValidException();
}
if (chatUser != null && chatUser.Banned)
{
throw new ChatUserBlockedException();
}
if (usersId.Count() == 1 && usersId.FirstOrDefault() == userId)
{
if (chat.Type == (int)ChatType.Private)
{
throw new AddUserChatException();
}
if (chatUser == null)
{
chatUser = ChatUserConverter.GetNewChatUser(chatId, userId, null);
await context.AddAsync(chatUser).ConfigureAwait(false);
}
else if (chatUser.Deleted)
{
chatUser.Deleted = false;
chatUser.User = requestingUser;
context.Update(chatUser);
}
if (!chat.NodesId.Contains(NodeSettings.Configs.Node.Id))
{
createMessagesService.DownloadMessageHistoryAsync(chat.NodesId.FirstOrDefault(), chat.Id, ConversationType.Chat, null, false);
}
chat.NodesId = chat.NodesId.Append(requestingUser.NodeId.Value).Distinct().ToArray();
addedUsers.Add(ChatUserConverter.GetChatUserVm(chatUser));
}
else
{
if ((chatUser?.Deleted).GetValueOrDefault(true))
{
throw new AddUserChatException();
}
if (await loadUsersService.IsUserBlacklisted(userId, usersId).ConfigureAwait(false))
{
throw new UserBlockedException();
}
ExpressionStarter <User> usersCondition = PredicateBuilder.New <User>();
usersCondition = usersId.Aggregate(usersCondition,
(current, value) => current.Or(opt => opt.Id == value).Expand());
List <User> existingUsers = await context.Users
.AsNoTracking()
.Where(usersCondition)
.ToListAsync()
.ConfigureAwait(false);
ExpressionStarter <ChatUser> chatUsersCondition = PredicateBuilder.New <ChatUser>();
chatUsersCondition = existingUsers.Select(opt => opt.Id).Aggregate(chatUsersCondition,
(current, value) => current.Or(opt => opt.UserId == value && opt.ChatId == chatId).Expand());
List <ChatUser> validChatUsers = await context.ChatUsers
.Where(chatUsersCondition)
.Include(opt => opt.User)
.ToListAsync()
.ConfigureAwait(false);
foreach (ChatUser user in validChatUsers)
{
if (!user.Banned && user.Deleted)
{
user.Deleted = false;
addedUsers.Add(ChatUserConverter.GetChatUserVm(user));
}
}
context.UpdateRange(validChatUsers);
List <long> newChatUsersId = existingUsers.Select(opt => opt.Id).Except(validChatUsers.Select(opt => opt.UserId)).ToList();
List <ChatUser> newChatUsers = newChatUsersId.Select(id => ChatUserConverter.GetNewChatUser(chatId, id, userId)).ToList();
chat.NodesId = chat.NodesId?.Concat(existingUsers.Select(opt => opt.NodeId.GetValueOrDefault())).Distinct().ToArray()
?? existingUsers.Select(opt => opt.NodeId.GetValueOrDefault()).Distinct().ToArray();
await context.ChatUsers
.AddRangeAsync(newChatUsers)
.ConfigureAwait(false);
/* foreach (ChatUser user in newChatUsers)
* {
* user.User = existingUsers.FirstOrDefault(opt => opt.Id == user.UserId);
* }*/
addedUsers.AddRange(ChatUserConverter.GetChatUsersVm(newChatUsers));
}
context.Update(chat);
transaction.Commit();
await context.SaveChangesAsync()
.ConfigureAwait(false);
ChatVm resultChat = ChatConverter.GetChatVm(chat);
resultChat.Users = addedUsers;
return(resultChat);
}
}
}
