private Boolean isCacheValid()
{
SuggestionCache cache = SuggestionCache;
if (cache == null)
{
return(false);
}
if ((DateTime.Now - cache.GenerationTime) > new TimeSpan(1, 0, 0))
{
return(false);
}
return(true);
}
private void updateCache()
{
Dictionary <long, long> topDictionary = new Dictionary <long, long>();
IEnumerable <Order> ordersInProgres = OrderInformationsService.GetUndeliveredOrders();
foreach (Order order in ordersInProgres)
{
foreach (OrderEntry orderEntity in order.OrderEntries)
{
if (topDictionary.ContainsKey(orderEntity.BookType.Id))
{
topDictionary[orderEntity.BookType.Id] += orderEntity.Amount;
}
else
{
topDictionary.Add(orderEntity.BookType.Id, orderEntity.Amount);
}
}
}
int number = Math.Min(quantity, topDictionary.Count);
List <long> topList = new List <long>();
foreach (var pair in topDictionary.OrderBy(i => i.Value).Take(number))
{
topList.Add(pair.Key);
}
if (number < quantity)
{
fillUpWithRandom(topList);
}
SuggestionCache newSuggestionCache = new SuggestionCache();
newSuggestionCache.BookList = topList;
newSuggestionCache.GenerationTime = DateTime.Now;
SuggestionCache = newSuggestionCache;
}
private void updateCache()
{
Dictionary<long, long> topDictionary = new Dictionary<long, long>();
IEnumerable<Order> ordersInProgres = OrderInformationsService.GetUndeliveredOrders();
foreach (Order order in ordersInProgres)
{
foreach (OrderEntry orderEntity in order.OrderEntries)
{
if (topDictionary.ContainsKey(orderEntity.BookType.Id))
{
topDictionary[orderEntity.BookType.Id] += orderEntity.Amount;
}
else
{
topDictionary.Add(orderEntity.BookType.Id, orderEntity.Amount);
}
}
}
int number = Math.Min(quantity, topDictionary.Count);
List<long> topList = new List<long>();
foreach (var pair in topDictionary.OrderBy(i => i.Value).Take(number))
{
topList.Add(pair.Key);
}
if (number < quantity) fillUpWithRandom(topList);
SuggestionCache newSuggestionCache = new SuggestionCache();
newSuggestionCache.BookList = topList;
newSuggestionCache.GenerationTime = DateTime.Now;
SuggestionCache = newSuggestionCache;
}
