public async Task ByState(
[Option("s", "State name")] string state)
{
if (string.IsNullOrEmpty(state))
{
_logger.LogError($"Invalid state {state}");
return;
}
_logger.LogInformation("Fetching states..");
var allstates = await _cowinHttpClient.GetAllStates();
if (default == allstates)
{
return;
}
if (allstates.IsEmpty())
{
_logger.LogError($"No states found.");
return;
}
var matchingState = allstates.GetState(state);
if (default == matchingState)
{
return;
}
if (matchingState.IsEmpty())
{
_logger.LogError($"Invalid State {state}");
return;
}
_logger.LogInformation($"Fetching districts for state {state}");
var districtsInState = await _cowinHttpClient.GetAllDistrictsInState(matchingState);
if (default == districtsInState)
{
return;
}
if (districtsInState.IsEmpty())
{
_logger.LogError("No districts found.");
return;
}
Console.Clear();
await _notificationService.ShowDistrictsToUser(districtsInState, matchingState.Name);
}
public async Task Start(
[Option("s", "State name")] string state,
[Option("d", "District nam (example: BBMP)")] string district,
[Option("a", "Minimum Age limit (18, 45 or 60)")] int age,
[Option("Starting date from which to track in dd-mm-yyyy format. Example: 03-11-2021. If skipped will start from current week.")] string date = null,
[Option("w", "Number of future weeks to check for availability")] int futureWeeks = 4,
[Option("c", "If true, will continuously check for vaccine availability.")] bool continuous = false)
{
if (age < 18 || age > 200)
{
_logger.LogError($"Invalid Age {age}");
return;
}
if (futureWeeks < 1 || futureWeeks > 53)
{
_logger.LogError("Invalid number of weeks to check for availability.");
return;
}
_logger.LogInformation("Fetching states..");
var allstates = await _cowinHttpClient.GetAllStates();
if (default == allstates)
{
return;
}
if (allstates.IsEmpty())
{
_logger.LogError($"No states found.");
return;
}
var matchingState = allstates.GetState(state);
if (default == matchingState)
{
return;
}
if (matchingState.IsEmpty())
{
_logger.LogError($"Invalid State {state}");
return;
}
_logger.LogInformation($"Fetching districts for state {state}");
var districtsInState = await _cowinHttpClient.GetAllDistrictsInState(matchingState);
if (default == districtsInState)
{
return;
}
if (districtsInState.IsEmpty())
{
_logger.LogError("No districts found.");
return;
}
var matchingDistrict = districtsInState.GetDistrict(district);
if (default == matchingDistrict)
{
return;
}
if (matchingDistrict.IsEmpty())
{
_logger.LogError($"Invalid District {district}");
return;
}
var nextWeeks = DateHelpers.GetStartDatesForUpcomingWeeks(date, futureWeeks, false);
if (null == nextWeeks || nextWeeks.Count < 1)
{
_logger.LogError($"Invalid date {date}");
return;
}
if (!continuous)
{
try {
Console.Clear();
foreach (var weekStart in nextWeeks)
{
var vaccineCenters = await _cowinHttpClient
.FindMatchingVaccineCenter(
matchingDistrict.Id,
weekStart,
age,
true);
if (null == vaccineCenters || vaccineCenters.Count < 1)
{
_logger.LogDebug($"No vaccine center found in district {district} for week starting on {weekStart} for age >= {age}.");
continue;
}
await _notificationService.NotifyUser(vaccineCenters, weekStart, age);
await Task.Delay(TimeSpan.FromSeconds(10));
}
Console.WriteLine("..Done");
//Console.ReadLine();
}
catch (Exception ex) {
_logger.LogError(ex, "Error found while checking for vaccine.");
}
}
else
{
int iteration = 0;
try {
while (!this.Context.CancellationToken.IsCancellationRequested)
{
try {
Console.Clear();
Console.WriteLine($"iteration {++iteration}..");
foreach (var weekStart in nextWeeks)
{
var vaccineCenters = await _cowinHttpClient
.FindMatchingVaccineCenter(
matchingDistrict.Id,
weekStart,
age,
true);
if (null == vaccineCenters || vaccineCenters.Count < 1)
{
_logger.LogDebug($"No vaccine center found in district {district} for week starting on {weekStart} for age >= {age}.");
continue;
}
await _notificationService.NotifyUser(vaccineCenters, weekStart, age);
await Task.Delay(TimeSpan.FromSeconds(10));
}
}
catch (Exception ex) {
_logger.LogError(ex, "Error found while checking for vaccine.");
}
// wait for next time
await Task.Delay(TimeSpan.FromMinutes(1), this.Context.CancellationToken);
}
}
catch (Exception ex) when(!(ex is OperationCanceledException))
{
_logger.LogError(ex, $"Error encountered during Continuous tracking by district {district}");
}
finally { }
}
}