private async Task SetCacheAsync(string key, Model.IdAndLink idAndLink)
{
_logger.LogTrace("Setting cache for {CacheKey}: {Id}, {Link}",
key,
idAndLink.Id,
idAndLink.Link);
using (var memoryStream = new MemoryStream())
{
new BinaryFormatter().Serialize(memoryStream, idAndLink);
await _cache.SetAsync(key, memoryStream.ToArray(), new DistributedCacheEntryOptions
{
SlidingExpiration = TimeSpan.FromMinutes(360)
});
}
}
private async Task <string> GetRedirectAsync(string domainName,
string stub)
{
string domainNameText = domainName?.Trim();
string stubText = stub?.Trim();
Model.IdAndLink recordIdLink = null;
Model.IdAndLink groupIdLink = null;
if (!string.IsNullOrEmpty(stubText))
{
if (!string.IsNullOrEmpty(domainNameText))
{
// domain and stub provided, check group + stub
recordIdLink = await _lookup.GetGroupStubAsync(domainNameText, stubText);
}
// no match for group + stub or stub provided with no domain
if (recordIdLink == null)
{
// check for stub independent of domain/group
recordIdLink = await _lookup.GetStubNoGroupAsync(stubText);
}
}
if (recordIdLink == null && !string.IsNullOrEmpty(domainNameText))
{
// domain provided, no stub or stub not found; check group default
groupIdLink = await _lookup.GetGroupDefaultAsync(domainNameText);
}
string destination;
if (recordIdLink == null)
{
if (groupIdLink == null)
{
groupIdLink = await _lookup.GetSystemDefault();
if (groupIdLink != null)
{
_logger.LogInformation("Group not found for domain {DomainNameText}, using default group: {GroupLink}",
domainNameText, groupIdLink?.Link);
}
}
if (groupIdLink == null)
{
destination = _config[Program.ConfigurationDefaultLink];
_logger.LogInformation("No default URL configured in the database, defaulting to {Destination} from configuration",
destination);
}
else
{
if (!string.IsNullOrEmpty(stubText) &&
!MuteStubs.Contains(stubText) &&
!stubText.EndsWith(MuteExtension))
{
_logger.LogWarning("Unable to fulfill domain {DomainNameText}, stub {StubText}, sending to {Link}",
domainNameText,
stubText,
groupIdLink.Link);
}
destination = groupIdLink.Link;
await _update.UpdateGroupVisitAsync((int)groupIdLink.Id);
}
}
else
{
destination = recordIdLink.Link;
await _update.UpdateRecordVisitAsync((int)recordIdLink.Id);
}
return(destination);
}