private static async Task <TrackerResponse> CalendarByDistrict(string districtID)
{
// Create availableSessions List which will hold the results
List <AvailableSession> availableSessions = new List <AvailableSession>();
int availableCount = 0;
int availableLt45Count = 0;
//Call the calendarByDistrict api
var streamTask = Client.GetStreamAsync(
"https://cdn-api.co-vin.in/api/v2/appointment/sessions/calendarByDistrict?" +
"district_id=" + districtID +
"&date=" + DateTime.Now.ToString("dd-MM-yyyy"));
var availableCenters = await JsonSerializer.DeserializeAsync <CalendarByDistrictResponse>(await streamTask);
foreach (var center in availableCenters.Centers)
{
foreach (var session in center.Sessions)
{
if (session.Available_capacity != 0)
{
availableCount++;
if (session.Min_age_limit < 45)
{
availableLt45Count++;
}
availableSessions.Add(new AvailableSession
{
Name = center.Name,
Available_capacity = session.Available_capacity,
Min_age_limit = session.Min_age_limit,
});
}
}
}
TrackerResponse result = new TrackerResponse()
{
AvailableCount = availableCount,
AvailableCountCountLt45 = availableLt45Count,
AvailableSessions = availableSessions
};
return(result);
}
private static async Task Main(string[] args)
{
if (args.Length == 1 && HelpRequired(args[0]))
{
DisplayHelp();
}
else
{
if (args.Length != 4)
{
Console.WriteLine("Insufficient arguments...");
DisplayHelp();
Environment.Exit(0);
}
Console.WriteLine("Checking available slots...");
Client.DefaultRequestHeaders.Accept.Clear();
Client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
// District ID comes from the command line argument
TrackerResponse trackerResponse = await CalendarByDistrict(args[0]);
if (trackerResponse.AvailableCount != 0)
{
string mailContent = $"Available slots: {trackerResponse.AvailableCount} | Available slots for Age < 45: {trackerResponse.AvailableCountCountLt45} <br> <br> {Environment.NewLine}";
foreach (AvailableSession session in trackerResponse.AvailableSessions)
{
mailContent += $"Name: {session.Name} | Available capacity: {session.Available_capacity} | Min age limit: {session.Min_age_limit} <br> {Environment.NewLine}";
}
Console.WriteLine(mailContent);
await NotifyUser(args[1], args[2], args[3], mailContent);
}
else
{
Console.WriteLine("No available slots.");
}
}
}