private async Task BackgroundProcessing(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
using (IServiceScope scope = _context.CreateScope())
{
var cur_context = scope.ServiceProvider.GetRequiredService <WuWHO_Context>();
try
{
var FiveMinAgo = DateTime.Now.AddHours(-0.1);
var devices_in_last_5_minutes = cur_context.tbl_environment_4.Where(m => m.MAC_ID != "end of statement").Where(m => m.time_rec >= FiveMinAgo).Select(m => m.MAC_ID).Distinct().Count();
var total_detect = cur_context.tbl_environment_4.Where(m => m.MAC_ID != "end of statement").Count();
if (devices_in_last_5_minutes <= 1)
{
Twitter.Sendtweet("Pretty vacant with only " + devices_in_last_5_minutes + " people detected with Total Detections = " + total_detect.ToString());
}
else if (devices_in_last_5_minutes >= 10 || devices_in_last_5_minutes <= 15)
{
Twitter.Sendtweet("Getting fairly crowded with " + devices_in_last_5_minutes + " people detected with Total Detections = " + total_detect.ToString());
}
else if (devices_in_last_5_minutes > 15 || devices_in_last_5_minutes <= 19)
{
Twitter.Sendtweet("Almost full with " + devices_in_last_5_minutes + " people detected with Total Detections = " + total_detect.ToString());
}
else if (devices_in_last_5_minutes >= 20)
{
Twitter.Sendtweet("Maximum Capacity reached with " + devices_in_last_5_minutes + " people detected with Total Detections = " + total_detect.ToString());
}
else
{
Twitter.Sendtweet("error " + devices_in_last_5_minutes);
}
}
catch (Exception ex)
{
await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
}
}
await Task.Delay(TimeSpan.FromMinutes(5), stoppingToken);
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
await Task.Yield();
while (!cancellationToken.IsCancellationRequested)
{
using (IServiceScope scope = _context.CreateScope())
{
var cur_context = scope.ServiceProvider.GetRequiredService <WuWHO_Context>();
try
{
int total_detect = cur_context.tbl_environment_4.Where(m => m.MAC_ID != "end of statement").Count();
Twitter.Sendtweet("Total Detections: " + total_detect.ToString());
await Task.Delay(TimeSpan.FromSeconds(300), cancellationToken);
}
catch (OperationCanceledException)
{
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
}
}
}
}