private void CreateRatingGraph(IModelerLoader loader)
{
foreach (var dataItem in loader.LoadRatingGraph())
{
var rating = dataItem.Rating;
var userId = dataItem.UserId;
var recipeId = dataItem.RecipeId;
// Rating too low to worry about
if (rating < 4)
{
continue; // TODO: Might not be needed, DB should only query for 4 or 5 star ratings
}
this.ratingGraph.AddRating(rating, userId, recipeId);
}
}
private void CreatIngredientUsageVertices(IModelerLoader loader)
{
// Loop through ingredient usages and fill in vertices on graph
// For each item: Create IngredientUsage and add to recipe, create IngredientNode (if necessary) and add recipe to IngredientNode
foreach (var o in loader.LoadIngredientGraph())
{
var recipeId = o.RecipeId;
var ingredientId = o.IngredientId;
var qty = o.Qty;
var unit = o.Unit;
var convType = Unit.GetConvertionType(unit);
List<RecipeNode>[] nodes;
IngredientNode ingredientNode;
var node = this.snapshot.recipeMap[recipeId];
// New ingredient, create node for it
if (!this.snapshot.ingredientMap.TryGetValue(ingredientId, out ingredientNode))
{
nodes = new List<RecipeNode>[RecipeTag.NumberOfTags];
ingredientNode = new IngredientNode()
{
IngredientId = ingredientId,
RecipesByTag = nodes,
ConversionType = convType
};
this.snapshot.ingredientMap.Add(ingredientId, ingredientNode);
}
else
{
nodes = ingredientNode.RecipesByTag as List<RecipeNode>[];
}
// For each tag the recipe has, we need to create a link through ingNode.RecipesByTag to the recipe
// Don't Index Hidden recipes
if (!node.Hidden)
{
foreach (var tag in node.Tags)
{
if (nodes[tag.Value] == null)
{
nodes[tag.Value] = new List<RecipeNode>();
}
// Add ingredient link to RecipeNode
nodes[tag.Value].Add(node);
}
}
// Add ingredient usage to recipe
var usages = node.Ingredients as List<IngredientUsage>;
usages.Add(new IngredientUsage()
{
Amount = qty,
Ingredient = ingredientNode,
Unit = unit
});
}
}
/// <summary>
/// Creates empty recipe nodes without links
/// </summary>
private void CreateEmptyRecipeNodes(IModelerLoader loader)
{
this.snapshot.recipeMap = (from o in loader.LoadRecipeGraph()
select new RecipeNode()
{
RecipeId = o.Id,
Rating = o.Rating,
Tags = o.Tags,
Hidden = o.Hidden,
Ingredients = new List<IngredientUsage>()
}).ToDictionary(k => k.RecipeId);
}
