private void GenerateRecsForNodeArray()
{
List <Node> nodes = new List <Node>();
MemoryTree.ToList(nodes);
nodes = nodes.Except(CurrentUser.NotShow).Except(CurrentUser.Favourite).ToList();
foreach (Node node in nodes)
{
node.Distance = 0.0;
foreach (Node n in CurrentUser.Favourite)
{
DistanceCalculator calculator = new DistanceCalculator(node, n);
node.Distance += calculator.CalculateDistance((MeasureType)MeasureTypeIndex);
}
node.Distance /= (double)CurrentUser.Favourite.Count();
}
nodes.Sort(delegate(Node node1, Node node2)
{
if (node1 == null && node2 == null)
{
return(0);
}
if (node1 == null)
{
return(-1);
}
if (node2 == null)
{
return(1);
}
if (node1.Distance == node2.Distance)
{
return(0);
}
if (node1.Distance > node2.Distance)
{
return(1);
}
return(-1);
});
Recommendations = new ObservableCollection <Node>(nodes.Take(UsersCount));
AddRecommendationsToItems();
}
private IEnumerable <Node> GenerateRecsForNodeArray()
{
var nodes = new List <Node>();
MemoryTree.ToList(nodes);
nodes = nodes.Except(CurrentUser.NotShow).Except(CurrentUser.Favourite).ToList();
foreach (var node in nodes)
{
node.Distance = 0.0;
foreach (var n in CurrentUser.Favourite)
{
var calculator = new DistanceCalculator(node, n);
node.Distance += calculator.CalculateDistance((MeasureType)MeasureTypeIndex);
}
node.Distance /= (double)CurrentUser.Favourite.Count();
}
nodes.Sort(delegate(Node node1, Node node2)
{
if (node1 == null && node2 == null)
{
return(0);
}
if (node1 == null)
{
return(-1);
}
if (node2 == null)
{
return(1);
}
if (node1.Distance == node2.Distance)
{
return(0);
}
if (node1.Distance > node2.Distance)
{
return(1);
}
return(-1);
});
return(nodes);
}
private void GenerateRecsForSingleNode(Node node)
{
List <Node> nodes = new List <Node>();
MemoryTree.ToList(nodes);
nodes = nodes.Except(CurrentUser.NotShow).Except(new[] { node }).ToList();
foreach (Node n in nodes)
{
DistanceCalculator calculator = new DistanceCalculator(node, n);
n.Distance = calculator.CalculateDistance((MeasureType)MeasureTypeIndex);
}
nodes.Sort(delegate(Node node1, Node node2)
{
if (node1 == null && node2 == null)
{
return(0);
}
if (node1 == null)
{
return(-1);
}
if (node2 == null)
{
return(1);
}
if (node1.Distance == node2.Distance)
{
return(0);
}
if (node1.Distance > node2.Distance)
{
return(1);
}
return(-1);
});
Recommendations = new ObservableCollection <Node>(nodes.Take(RecsLength));
AddRecommendationsToItems();
}
private IEnumerable <Node> GenerateRecsForSingleNode(Node node)
{
var nodes = new List <Node>();
MemoryTree.ToList(nodes);
nodes = nodes.Except(CurrentUser.NotShow).Except(new[] { node }).ToList();
foreach (var n in nodes)
{
var calculator = new DistanceCalculator(node, n);
n.Distance = calculator.CalculateDistance((MeasureType)MeasureTypeIndex);
}
nodes.Sort(delegate(Node node1, Node node2)
{
if (node1 == null && node2 == null)
{
return(0);
}
if (node1 == null)
{
return(-1);
}
if (node2 == null)
{
return(1);
}
if (node1.Distance == node2.Distance)
{
return(0);
}
if (node1.Distance > node2.Distance)
{
return(1);
}
return(-1);
});
return(nodes);
}