public async Task SendAlertSMSAsync()
{
var helper = new MessageDeliveryHelper();
var user = new IdentityUser();
user.PhoneNumber = "6122341115";
user.PhoneNumberConfirmed = true;
user.UserName = "******";
var alert = new Alert();
alert.SMS = true;
var status = new Status();
status.Text = "This is a pretend tweet";
status.User = new User()
{
ScreenNameResponse = "Bob"
};
status.OEmbedUrl = "https://twitter.com/im_uname/status/1347999892392747011";
var result = await helper.SendAlertsAsync(user, alert, status);
Assert.IsTrue(result.SMSSuccess);
}
public async Task <IActionResult> Index()
{
_logger.LogInformation("The alert engine has been called.");
SetUpTwitterContext();
//This method is going to need to be rebuilt to scale up. At this point it's built with the belief
//that the number of users/alerts will stay in the dozens-maybe-hundreds range
var alertGroups = _dbCtx.Alerts.AsEnumerable().GroupBy(c => c.UserId);
foreach (var userAlerts in alertGroups)
{
if (_dbCtx.UserDetails.Any(c => c.UserId == userAlerts.First().UserId))
{
var userDetails = _dbCtx.UserDetails.First(c => c.UserId == userAlerts.First().UserId);
var userLogin = _dbCtx.UserLogins.First(c => c.LoginProvider == "Twitter" && c.UserId == userDetails.UserId);
var user = _dbCtx.Users.Find(userDetails.UserId);
_twtCtx.Authorizer.CredentialStore.OAuthToken = userDetails.TwitterOAuthToken;
_twtCtx.Authorizer.CredentialStore.OAuthTokenSecret = userDetails.TwitterOAuthSecret;
foreach (var alert in userAlerts)
{
_logger.LogInformation($"We are checking tweets for the following word(s): {alert.TriggerWords}. This is for user {alert.UserId} and the twitter user {alert.TwitterFollowName} - {alert.TwitterFollowId}");
var query = "from:" + alert.TwitterFollowId.ToString();
if (!string.IsNullOrEmpty(alert.TriggerWords?.Trim()) && !alert.AlwaysAlert)
{
query += " " + alert.TriggerWords.Trim();
}
var tweets = await _twtCtx.Status.Where(c => c.Type == StatusType.User && c.UserID == (ulong)alert.TwitterFollowId).ToListAsync();
if (tweets != null && tweets.Any(c => DateTime.Compare(alert.LastChecked, c.CreatedAt) <= 0))
{
_logger.LogInformation($"There were new tweets from {alert.TwitterFollowName} since {alert.LastChecked}");
var newTweets = tweets.Where(c => DateTime.Compare(alert.LastChecked, c.CreatedAt) <= 0).ToList();
foreach (var newTweet in newTweets)
{
_logger.LogInformation($"We are checking this tweet: {newTweet.Text} ------- We are looking for any of these words: {alert.TriggerWords}");
if (alert.AlwaysAlert || alert.AlertWords.Any(c => newTweet.Text.Contains(c, StringComparison.CurrentCultureIgnoreCase)))
{
_logger.LogInformation($"We're sending {user.UserName} a tweet {newTweet.Text}");
_messageHelper.SendAlertsAsync(user, alert, newTweet);
}
}
}
alert.LastChecked = DateTime.UtcNow;
_dbCtx.Update(alert);
}
_dbCtx.SaveChanges();
}
}
return(View());
}
