public async Task <PharmacyModel> FindClosestAsync(PharmacyInputModel pharmacyInput)
{
_logger.LogDebug("Invoked Service FindClosestAsync");
if (pharmacyInput == null)
{
throw new ArgumentNullException();
}
var key = $"pharmacy:{pharmacyInput.Latitude}:{pharmacyInput.Longitude}";
_logger.LogDebug($"Findind closest pharmacy to lat [{pharmacyInput.Latitude}] and long [{pharmacyInput.Longitude}]");
var firstCheck = await _cacheRepository.GetByKeyAsync <PharmacyModel>(Payload, key);
if (firstCheck != null)
{
_logger.LogDebug("Service first cache successful");
return(firstCheck);
}
_logger.LogDebug("Service first cache miss");
using (await _lock.LockAsync())
{
var secondCheck = await _cacheRepository.GetByKeyAsync <PharmacyModel>(Payload, key);
if (secondCheck != null)
{
_logger.LogDebug("Service second cache successful");
return(secondCheck);
}
_logger.LogDebug("Service second cache miss");
var pharmacy = await _pharmacyBuilder.FindClosestAsync(pharmacyInput);
if (pharmacy == null)
{
_logger.LogWarning("Service pharmacy closest null from builder, returning empty object success");
_logger.LogDebug("Service FindClosestAsync empty successful");
return(new PharmacyModel());
}
await _cacheRepository.UpsertKeyAsync(key, pharmacy);
await _cacheRepository.SetKeyExpirationAsync(key, TimeSpan.FromHours(2));
_logger.LogDebug("Service FindClosestAsync successful");
return(pharmacy);
}
}
