private async Task <UserSettings> FindSettingsAsync(string userId)
{
var settings = await _store.FindAsync(userId);
Ensure.That(settings, nameof(settings),
options => options.WithException(new NotFoundException(new ErrorDto(ErrorCode.NotFound, "User settings do not exist."))))
.IsNotNull();
return(settings);
}
public async Task <UserSettings> FindAsync(string userId)
{
var key = GetKey(userId);
if (_cache.TryGetValue(key, out UserSettings settings))
{
return(settings);
}
await sync.WaitAsync();
try
{
if (_cache.TryGetValue(key, out settings))
{
return(settings);
}
settings = await _originalDataStore.FindAsync(userId);
if (settings == null)
{
return(null);
}
var options = new MemoryCacheEntryOptions
{
AbsoluteExpiration = DateTimeOffset.UtcNow.AddHours(_options.UserSettingsExpiresInHours),
Priority = CacheItemPriority.Normal
};
_cache.Set(key, settings, options);
return(settings);
}
finally
{
sync.Release();
}
}
public async Task <SendNotificationResponse> PostAsync(SendNotificationRequest request)
{
Ensure.That(request, nameof(request)).IsNotNull();
var settings = await _settingsStore.FindAsync(request.RecipientUserId);
if (settings == null)
{
throw new NotFoundException(new ErrorDto(ErrorCode.NotFound, "User settings do not exist."));
}
var message = Mapper.Map <NotificationMessage>(request);
var response = new SendNotificationResponse();
foreach (var sender in _senders)
{
var senderResult = await sender.SendAsync(message, settings);
if (senderResult.Status != NotificationSendingStatus.Skipped)
{
response.Results.Add(senderResult);
}
}
if (response.Results.Any(x => x.Status == NotificationSendingStatus.Success))
{
var newRecord = Mapper.Map <NotificationRecord>(request);
newRecord.UserSettingsId = settings.Id;
var record = await _historyStore.SaveAsync(newRecord);
response.NotificationRecordId = record.Id;
}
return(response);
}