private async Task <IEnumerable <ProfileResult> > LoadResults(CancellationToken cancellationToken)
{
var cachedResults = _profileCache.GetProfileResults();
if (cachedResults != null)
{
return(cachedResults);
}
var storeResults =
(await _profileStore.GetProfileResults(cancellationToken).ConfigureAwait(false)).ToList();
_profileCache.StoreProfileResults(storeResults);
return(storeResults);
}
private void UpdateResultsCache(Profile profile)
{
// We need to update cache information for the publicly visible profiles
var results = _cache.GetProfileResults();
if (results == null)
{
// There are no results in the cache so we don't need to update it
return;
}
var cachedResult = results.FirstOrDefault(x => x.Id == profile.Id);
var cacheRequiresUpdate = false;
if (cachedResult != null)
{
// We found this profile in the cache, the profile has been updated, has been deleted
// or is hidden or banned We need to start by removing the existing profile from the cache
results.Remove(cachedResult);
cacheRequiresUpdate = true;
}
if (profile.Status != ProfileStatus.Hidden &&
profile.BannedAt == null)
{
// The profile is visible so the updated profile needs to be added into the results cache
var newResult = new ProfileResult(profile);
results.Add(newResult);
cacheRequiresUpdate = true;
}
if (cacheRequiresUpdate)
{
_cache.StoreProfileResults(results);
}
}