/// <summary>
/// Create a new instance of the <see cref="Setting{TSetting}"/>
/// </summary>
/// <param name="settingStore"><see cref="ISettingStore"/> used for loading and saving settings</param>
/// <param name="eventAggregator"><see cref="IEventAggregator"/> used to notify subscribers about settings changes</param>
public Setting(ISettingStore settingStore, IEventAggregator eventAggregator)
{
_settingStore = settingStore ?? throw new ArgumentNullException(nameof(settingStore));
_eventAggregator = eventAggregator ?? throw new ArgumentNullException(nameof(eventAggregator));
CurrentSetting = _settingStore.Load<TSetting>();
}
public async Task <Ranking> GetRanking(SearchIndexType indexType)
{
bool cached = false;
string response = null;
var key = string.Format("{0}:{1}", CountryType, indexType);
var filename = string.Format("{0}.xml", indexType);
bool cache;
var pre = _settingStore.Load <DateTime>(key, out cache);
if (cache)
{
var diff = DateTime.Now - pre;
if (diff.CompareTo(TimeSpan.FromMinutes(30)) < 0)
{
response = await _serializer.ReadFile(CountryType.ToString(), filename);
cached = response != null;
}
else
{
Enumerable.Range(2, 9).ForEach(async i =>
{
var deleteName = string.Format("{0}_{1}.xml", indexType, i);
await _serializer.DeleteFile(CountryType.ToString(), deleteName);
});
}
}
if (response == null)
{
response = await _service.ItemSearchAsync(CountryType, indexType, 1);
if (string.IsNullOrEmpty(response))
{
return(null);
}
_serializer.WriteFile(CountryType.ToString(), filename, response);
_settingStore.Save(key, DateTime.Now.ToString());
}
var items = _parser.Parse(response).Where(x => !x.Attributes.IsAdultProduct);
return(new Ranking(this)
{
IndexType = indexType, Items = items, Cached = cached
});
}
