public async Task <long> GetLastReadMessageId(ChatSessionInputBase input)
{
var lastReadMessageId = await _userChatMessageLogRepository.GetAll()
.Where(log => log.SessionId == input.SessionId && log.UserId == input.UserId)
.Select(log => log.LastReadMessageId).SingleOrDefaultAsync();
return(lastReadMessageId);
}
public async Task <int> GetSessionUnread(ChatSessionInputBase input)
{
long lastMessageId = await _userChatMessageLogRepository.GetAll()
.Where(log => log.SessionId == input.SessionId && log.UserId == input.UserId)
.Select(log => log.LastReadMessageId).FirstOrDefaultAsync();
return(await _chatMessageRepository.CountAsync(message =>
message.SessionId == input.SessionId &&
message.Id > lastMessageId));
}
public async Task JoinSession(ChatSessionInputBase input)
{
var exists = await _chatSessionMemberRepository.GetAll()
.AnyAsync(member => member.SessionId == input.SessionId && member.UserId == input.UserId, _httpContextAccessor.HttpContext.RequestAborted);
if (!exists)
{
await _chatSessionMemberRepository.InsertAsync(
new ChatSessionMember
{
SessionId = input.SessionId,
TenantId = input.TenantId,
UserId = input.UserId,
CreationTime = DateTimeOffset.Now.ToUnixTimeMilliseconds()
});
}
}
public Task LeaveSession(ChatSessionInputBase input)
{
return(_chatSessionMemberRepository.DeleteAsync(member => member.SessionId == input.SessionId && member.UserId == input.UserId));
}
