private async Task <List <AggregatedEvent> > GetAllArtistAggregatedEvents(AggregateTimeRange timeRange)
{
List <AggregatedEvent> result;
string localStorageKey = LOCALSTORAGEKEY_ALLARTISTSAGGREGATEDEVENTS + timeRange;
TimeCachedObject <List <AggregatedEvent> > cachedObject = await _localStorageService.GetItemAsync <TimeCachedObject <List <AggregatedEvent> > >(localStorageKey);
if (cachedObject == null || cachedObject.NextUpdateHour < DateTimeOffset.UtcNow)
{
ArtistAggregatedEventsRequest request = new ArtistAggregatedEventsRequest()
{
ArtistIds = new List <int>(), TimeSeries = timeRange
};
HttpResponseMessage responseMessage = await _httpClient.PostAsJsonAsync(_endpointAddress + "ArtistAggregatedEvents", request);
string responseBody = await responseMessage.Content.ReadAsStringAsync();
result = JsonConvert.DeserializeObject <List <AggregatedEvent> >(responseBody);
DateTimeOffset nextUpdate = TimeCachedObject <object> .CalculateNextUpdateHour();
cachedObject = new TimeCachedObject <List <AggregatedEvent> >()
{
CachedObject = result,
NextUpdateHour = nextUpdate
};
await _localStorageService.SetItemAsync(localStorageKey, cachedObject);
}
else
{
result = cachedObject.CachedObject;
}
return(result);
}
public async Task <List <ItemCount> > GetArtistPlayedOverTime(AggregateTimeRange timeRange, int artistId)
{
string localStorageKey = LOCALSTORAGEKEY_ARTISTPLAYEDOVERTIME + artistId + "-" + timeRange;
List <ItemCount> result;
TimeCachedObject <List <ItemCount> > cachedObject = await _localStorageService.GetItemAsync <TimeCachedObject <List <ItemCount> > >(localStorageKey);
if (cachedObject == null || cachedObject.NextUpdateHour < DateTimeOffset.UtcNow)
{
ArtistAggregatedEventsRequest request = new ArtistAggregatedEventsRequest()
{
ArtistIds = new List <int>()
{
artistId
}, TimeSeries = timeRange
};
HttpResponseMessage responseMessage = await _httpClient.PostAsJsonAsync(_endpointAddress + "ArtistAggregatedEvents", request);
string responseBody = await responseMessage.Content.ReadAsStringAsync();
AggregatedEvent temp = JsonConvert.DeserializeObject <List <AggregatedEvent> >(responseBody)?.FirstOrDefault();
List <ItemCount> items = temp.AggregatedEventSumSource.Select((x, i) => new ItemCount()
{
Count = x.Value, ItemId = artistId, Name = x.Timestamp.ToString()
}).ToList();
Dictionary <string, (ItemCount itemCount, DateTimeOffset sortOrder)> buckets = GetItemCountBuckets(timeRange, artistId);
foreach (var item in items)
{
if (buckets.ContainsKey(item.Name))
{
buckets[item.Name].itemCount.Count = item.Count;
}
}
result = buckets.Values.OrderBy(x => x.sortOrder).Select(x => x.itemCount).ToList();
DateTimeOffset nextUpdate = TimeCachedObject <object> .CalculateNextUpdateHour();
cachedObject = new TimeCachedObject <List <ItemCount> >()
{
CachedObject = result,
NextUpdateHour = nextUpdate
};
await _localStorageService.SetItemAsync(localStorageKey, cachedObject);
}
else
{
result = cachedObject.CachedObject;
}
return(result);
}
