public SearchResults LookupSearch(SearchOptions options)
{
//Intitialize search result
SearchResults results = new SearchResults()
{
ColorCounts = new List <ColorCount>(),
SizeCounts = new List <SizeCount>(),
Shirts = new List <Shirt>()
};
// Convert to Lookup
Stopwatch sw = new Stopwatch();
sw.Start();
var shirtsLookup = _shirts.ToLookup(x => new { x.Color, x.Size });
sw.Stop();
results.Milliseconds = sw.ElapsedMilliseconds;
//Search
if (options != null)
{
foreach (Color color in options.Colors)
{
ColorCount colorCount = new ColorCount()
{
Color = color, Count = 0
};
foreach (Size sz in Size.All)
{
var colourMatchedShirts = shirtsLookup[new { Color = color, Size = sz }];
if (options.Sizes.Contains(sz) && options.Sizes.Count > 0)
{
if (colourMatchedShirts.Count() > 0)
{
colorCount.Count += colourMatchedShirts.Count();
results.Shirts.AddRange(colourMatchedShirts.ToList <Shirt>());
SizeCount sizeCount = results.SizeCounts.Find(item => item.Size.Name.Equals(sz.Name));
if (sizeCount == null)
{
results.SizeCounts.Add(new SizeCount {
Size = sz, Count = colourMatchedShirts.Count()
});
}
else
{
sizeCount.Count++;
}
}
}
else if (options.Sizes.Count == 0)
{
colorCount.Count += colourMatchedShirts.Count();
}
}
results.ColorCounts.Add(colorCount);
}
}
return(results);
}
