public async Task <IActionResult> Run( [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req, ILogger log) { log.LogInformation("GetLatestTweets started."); string userId = req.Query["uid"]; var dbUsers = await _userRepository.TopAsync(p => p.UserId == userId, 1); if (dbUsers == null || dbUsers.Count() == 0) { return(new JsonResult(null)); } var user = dbUsers.ToList().FirstOrDefault(p => p.UserId == userId); if (user.Hashtags == null || user.Hashtags.Count == 0) { return(new JsonResult(null)); } var tweets = _tweetRepository.GetTweetsByHashtags( user.Hashtags.Select(p => p.Text).ToArray(), DateTime.UtcNow.AddDays(_configurations.Value.AppSettings.TweetsFilterIntervalInDays)); if (tweets != null) { tweets = tweets.OrderByDescending(p => p.TweetCreatedOn); } log.LogInformation("GetLatestTweets completed."); return(new JsonResult(tweets)); }