public async Task <IActionResult> GetCovidStatistics(string packageDate)
{
try
{
var applicationStatisticsDb = await _applicationStatisticsRepository.GetNewestEntryAsync();
if (applicationStatisticsDb == null)
{
throw new InvalidOperationException("No application statistics entries in the database");
}
CovidStatistics covidStatisticsDb;
if (packageDate != null)
{
var success = DateTime.TryParse(packageDate, out DateTime lastPackageDate);
if (!success)
{
_logger.LogError("Could not parse package date");
return(BadRequest("Could not parse package date"));
}
covidStatisticsDb = await _covidStatisticsRepository.GetEntryByDateAsync(lastPackageDate);
}
else
{
covidStatisticsDb = await _covidStatisticsRepository.GetNewestEntryAsync();
}
if (covidStatisticsDb == null)
{
return(NoContent());
}
var resultsDbTuple = new Tuple <CovidStatistics, ApplicationStatistics>(covidStatisticsDb, applicationStatisticsDb);
var covidStatisticsDto = _mapper.Map <Tuple <CovidStatistics, ApplicationStatistics>, StatisticsDto>(resultsDbTuple);
return(Ok(covidStatisticsDto));
}
catch (InvalidOperationException e)
{
_logger.LogError(e.ToString());
return(BadRequest());
}
catch (Exception e)
{
_logger.LogError($"Unexpected behaviour. Exception message: {e}");
return(StatusCode(500));
}
}
/// <summary>
/// Checks access to log files and that they are written to every day
/// </summary>
/// <param name="context"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
{
_logger.LogInformation($"Health check {Startup.NumbersTodayPattern}");
var status = HealthStatus.Healthy;
var data = new Dictionary <string, object>();
var hour = _appSettingsConfig.HealthCheckSettings.NumbersTodayCallAfter24Hour;
if (TooEarly(hour, _logger))
{
var key = $"Too early to check numbers today {DateTime.Now}";
data.Add(key, $"Configured value is {hour}");
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
// Check directory exists
var directoryPath = _appSettingsConfig.GitHubSettings.GitHubStatisticsZipFileFolder;
if (!_fileSystem.DirectoryExists(directoryPath))
{
status = HealthStatus.Unhealthy;
data.Add("Directory for SSI statistics does not exist", directoryPath);
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
// Check latest file is from today
var directory = new DirectoryInfo(directoryPath);
var latestFileInfo = directory.GetFiles().OrderByDescending(f => f.LastWriteTime).FirstOrDefault();
if (latestFileInfo == null)
{
status = HealthStatus.Unhealthy;
data.Add($"SSI statistics file for today does not exist. Empty folder.", directoryPath);
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
var today = DateTime.Today.ToString("yyyy-MM-dd");
if (!latestFileInfo.Name.Contains(today))
{
status = HealthStatus.Unhealthy;
data.Add($"SSI statistics file for today does not exist. Latest file is {latestFileInfo.Name}", directoryPath);
}
// Check numbers have been stored in database
try
{
// check infection numbers
var newestEntry = await _covidStatisticsRepository.GetNewestEntryAsync();
if (newestEntry == null)
{
status = HealthStatus.Unhealthy;
data.Add("SSI statistics infection entry in database does not exists", "CovidStatistics");
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
var entryDate = newestEntry.EntryDate;
var entryDateString = entryDate.ToString("yyyy-MM-dd");
if (!entryDateString.Contains(today))
{
status = HealthStatus.Unhealthy;
data.Add($"SSI statistics infection entry in database is not from today {DateTime.Now}", $"Latest entry is from {entryDate}");
}
// check vaccine numbers
var newestVaccineEntry = await _covidStatisticsRepository.GetNewestEntryAsync();
if (newestVaccineEntry == null)
{
status = HealthStatus.Unhealthy;
data.Add("SSI statistics vaccine entry in database does not exists", "CovidStatistics");
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
var vaccineEntryDate = newestVaccineEntry.EntryDate;
var vaccineEntryDateString = vaccineEntryDate.ToString("yyyy-MM-dd");
if (!vaccineEntryDateString.Contains(today))
{
status = HealthStatus.Unhealthy;
data.Add($"SSI statistics vaccine entry in database is not from today {DateTime.Now}", $"Latest entry is from {entryDate}");
}
}
catch (Exception e)
{
var errorMessage = $"{e.Message} - {e.StackTrace}";
_logger.LogError(errorMessage);
status = HealthStatus.Unhealthy;
data.Add($"Error in data retrieval {DateTime.Now}", errorMessage);
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
e,
data)));
}
return(await Task.FromResult(new HealthCheckResult(
status,
Description,
data : data)));
}
