public async Task <UrlCacheInfo> Fetch(Uri uri, long freshnessTreshold)
{
_log.Log("Fetching for uri: " + uri.OriginalString);
var realm = Realm.GetInstance();
var needle = uri.OriginalString;
var cacheHit = realm.All <UrlCacheInfo>().Where(x => x.Url == needle);
if (cacheHit.Count() != 0)
{
// Hit
_log.Log("Cache hit");
var hero = cacheHit.First();
realm.Write(() => hero.LastAccessed = DateTime.Now.Ticks);
if (ShouldInvalidate(hero, freshnessTreshold))
{
// Cache needs refreshing
_log.Log("Refreshing cache");
await UpdateUrl(uri, hero);
}
return(hero);
}
else
{
// Nothing in cache, get it fresh
return(await InsertUrl(uri));
}
}
private async Task <List <DreamsWebServiceDTO> > DreamsWebServiceDataFactory(string input)
{
var result = new List <DreamsWebServiceDTO>();
try
{
result = await Task.Run(() => JsonConvert.DeserializeObject <List <DreamsWebServiceDTO> >(input));
}
catch (JsonException je)
{
_log.Log("Failed to deserialize", DreamsLogSeverityLevel.Error, je);
}
return(result);
}