public async Task <CommandResult> Handle(Command request, CancellationToken cancellationToken)
{
var podcastSubscription = await _repository.RetrieveAsync(SubscriptionState.Pending.ToString(), request.SubscriptionToken);
if (podcastSubscription == null)
{
return(CommandResult.BadRequest("The subscription token was not valid."));
}
try
{
var unsubscribeLink = $"{_configuration["FrontendBaseUrl"]}subscription/unsubscribe/{request.SubscriptionToken}";
await _feedContentClient.CreateFeedItemPublishedSubscription(podcastSubscription.FeedRowKey,
podcastSubscription.EmailAddress, unsubscribeLink);
var confirmedSubscription = PodcastSubscription.CreateConfirmed(podcastSubscription);
await _repository.InsertAsync(confirmedSubscription);
await _repository.RemoveAsync(podcastSubscription);
await _emailSender.Send($"{podcastSubscription.FeedTitle} subscription confirmed",
GetHtml(podcastSubscription.FeedTitle, unsubscribeLink), podcastSubscription.EmailAddress);
return(CommandResult.Ok());
}
catch (Exception ex)
{
// TODO: log exception in a table as App Insights is expensive
return(CommandResult.InternalServerError(new List <string>
{
$"An error occurred creating the subscription for {podcastSubscription.FeedRowKey} due to {ex}."
}));
}
}
public async Task <CommandResult> Handle(Command request, CancellationToken cancellationToken)
{
var normalizedEmail = request.EmailAddress?.Trim().ToLowerInvariant();
if (!IsValidEmail(normalizedEmail))
{
return(CommandResult.BadRequest($@"The email address ""{normalizedEmail}"" is invalid."));
}
var subscriptionToken = Guid.NewGuid().ToString();
var feedTitle = await _feedContentStorage.GetFeedTitle(request.SubscriptionId);
var html = GetConfirmationHtml(subscriptionToken, feedTitle);
var response = await _emailSender.Send($@"Please confirm your subscription to {GetPodcastName(feedTitle)}", html, normalizedEmail);
if (!response.IsSuccessStatusCode)
{
return(CommandResult.BadRequest($"There was an error: {response.StatusCode}"));
}
var podcastSubscription = new PodcastSubscription(SubscriptionState.Pending,
subscriptionToken, request.SubscriptionId, normalizedEmail, feedTitle);
await _repository.InsertAsync(podcastSubscription);
return(CommandResult.Ok());
}
public async Task <CommandResult> Handle(Command request, CancellationToken cancellationToken)
{
var confirmedSubscription = await _repository.RetrieveAsync(SubscriptionState.Confirmed.ToString(), request.SubscriptionToken);
if (confirmedSubscription == null)
{
return(CommandResult.BadRequest("The token provided was not valid."));
}
try
{
await _feedContentClient.RemoveFeedItemPublishedSubscription(confirmedSubscription.FeedRowKey,
confirmedSubscription.EmailAddress);
var cancelledSubscription = PodcastSubscription.CreateCancelled(confirmedSubscription);
await _repository.InsertAsync(cancelledSubscription);
await _repository.RemoveAsync(confirmedSubscription);
return(CommandResult.Ok());
}
catch (Exception ex)
{
// TODO: log exception in a table as App Insights is expensive
return(CommandResult.InternalServerError(new List <string>
{
$"An error occurred creating the subscription for {confirmedSubscription.FeedRowKey} due to {ex}."
}));
}
}
protected override void ParseSubscription()
{
if (txtName.Text.Trim() == "" || txtURL.Text.Trim() == "")
{
MessageBox.Show(i18n.FillPodcastNameAndUrlFieldsMessage, i18n.AllFieldsRequiredTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
this.OnSubscriptionParsed(new SubscriptionParsedEventArgs(false));
return;
}
if (Subscriptions.Instance.Dictionary.ContainsKey(txtURL.Text))
{
MessageBox.Show(string.Format(i18n.PodcastSubscriptionAlreadyExists, Subscriptions.Instance.Dictionary[txtURL.Text].Name), i18n.SubscriptionExists, MessageBoxButtons.OK, MessageBoxIcon.Error);
this.OnSubscriptionParsed(new SubscriptionParsedEventArgs(false));
return;
}
try
{
var subscription = new PodcastSubscription {Name = txtName.Text, Url = txtURL.Text};
using (var podcast = new Podcast(subscription))
{
if (!podcast.IsValid())
{
MessageBox.Show(i18n.ErrorParsingPodcastMessage, i18n.ErrorParsingPodcastTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
this.OnSubscriptionParsed(new SubscriptionParsedEventArgs(false));
return;
}
}
this.OnSubscriptionParsed(new SubscriptionParsedEventArgs(true, subscription));
}
catch(Exception)
{
MessageBox.Show(i18n.ErrorParsingPodcastMessage, i18n.ErrorParsingPodcastTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
this.OnSubscriptionParsed(new SubscriptionParsedEventArgs(false));
}
}
public ListviewPodcastSubscription(PodcastSubscription podcastSubscription)
{
this._podcastSubscription = podcastSubscription;
this.Text = podcastSubscription.Name;
this.SubItems.Add(podcastSubscription.Url);
}
