/// <summary>
/// Deletes the catch up subscription.
/// </summary>
/// <param name="catchUpSubscriptionId">The catch up subscription identifier.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="NotFoundException">Catch Up Subscription Group with Id {catchUpSubscriptionId} not found</exception>
public async Task DeleteCatchUpSubscription(Guid catchUpSubscriptionId,
CancellationToken cancellationToken)
{
Guard.ThrowIfInvalidGuid(catchUpSubscriptionId, typeof(ArgumentNullException), "A catchup subscription Id must be provided");
using (SubscriptionServiceConfigurationContext context = this.ContextResolver())
{
Database.Models.CatchupSubscriptionConfiguration catchUpSubscriptionConfiguration = await context.CatchupSubscriptionConfigurations.Where(c => c.SubscriptionId == catchUpSubscriptionId)
.SingleOrDefaultAsync(cancellationToken);
if (catchUpSubscriptionConfiguration == null)
{
throw new NotFoundException($"Catch Up Subscription Group with Id {catchUpSubscriptionId} not found");
}
context.CatchupSubscriptionConfigurations.Remove(catchUpSubscriptionConfiguration);
await context.SaveChangesAsync(cancellationToken);
}
}
/// <summary>
/// Resets the subscription stream position.
/// </summary>
/// <param name="subscriptionId">The subscription identifier.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="NotFoundException">Subscription Group with Id {subscriptionConfiguration} not found</exception>
public async Task ResetSubscriptionStreamPosition(Guid subscriptionId,
CancellationToken cancellationToken)
{
Guard.ThrowIfInvalidGuid(subscriptionId, typeof(ArgumentNullException), "A subscription group Id must be provided");
using (SubscriptionServiceConfigurationContext context = this.ContextResolver())
{
Database.Models.SubscriptionConfiguration subscriptionConfiguration = await context.SubscriptionConfigurations.Where(g => g.SubscriptionId == subscriptionId)
.SingleOrDefaultAsync(cancellationToken);
if (subscriptionConfiguration == null)
{
throw new NotFoundException($"Subscription Group with Id {subscriptionConfiguration} not found");
}
// Reset the Stream Position
subscriptionConfiguration.StreamPosition = null;
await context.SaveChangesAsync(cancellationToken);
}
}