private static EntityDataServiceResponse <ProductVariant> GetProductVariants(GetProductVariantsDataRequest request)
{
IEnumerable <ItemVariantInventoryDimension> itemVariants = request.ItemAndInventoryDimensionIds;
RequestContext context = request.RequestContext;
ThrowIf.Null(itemVariants, "itemVariants");
ThrowIf.Null(context, "context");
ColumnSet columnSet = new ColumnSet();
ItemL2CacheDataStoreAccessor level2CacheDataAccessor = GetCacheAccessor(context);
bool found;
bool updateL2Cache;
ReadOnlyCollection <ProductVariant> result = DataManager.GetDataFromCache(() => level2CacheDataAccessor.GetVariants(itemVariants, columnSet), out found, out updateL2Cache);
if (!found)
{
var query = new SqlPagedQuery(QueryResultSettings.AllRecords)
{
Select = columnSet,
From = GetVariantsByItemIdAndInventDimIdFunctionName
};
using (var type = new ItemVariantInventoryDimensionTableType(itemVariants))
{
query.Parameters[DatabaseAccessor.ChannelIdVariableName] = context.GetPrincipal().ChannelId;
query.Parameters[DatabaseAccessor.ChannelDateVariableName] = context.GetNowInChannelTimeZone().Date;
query.Parameters[ItemVariantIdsVariableName] = type.DataTable;
using (SqlServerDatabaseContext databaseContext = new SqlServerDatabaseContext(context))
{
result = databaseContext.ReadEntity <ProductVariant>(query).Results;
}
}
updateL2Cache &= result != null;
}
if (updateL2Cache)
{
level2CacheDataAccessor.PutVariants(itemVariants, columnSet, result);
}
return(new EntityDataServiceResponse <ProductVariant>(result.AsPagedResult()));
}
