Beispiel #1
0
        public DataSet getMicroData(HtmlDocument Document)
        {
            ClDataAcces objDataAccess = new ClDataAcces();
            string      Name = string.Empty;
            string      Ingredient = string.Empty;
            DataSet     recipeData = new DataSet();
            DataTable   recipe = new DataTable();
            DataTable   nutritionData = new DataTable();
            string      calories = string.Empty, fat = string.Empty, saturatefat = string.Empty,
                        fiber = string.Empty, carbohydrate = string.Empty, protein = string.Empty,
                        cholesterol = string.Empty, sugar = string.Empty, sodium = string.Empty;

            // RECIPE DATA
            recipe.Columns.Add("Name");
            recipe.Columns.Add("Ingrediente");

            // NUTRICION DATA

            nutritionData.Columns.Add("Calorias", typeof(decimal));
            nutritionData.Columns.Add("fat", typeof(decimal));
            nutritionData.Columns.Add("saturatefat", typeof(decimal));
            nutritionData.Columns.Add("fiber", typeof(decimal));
            nutritionData.Columns.Add("carbohydrate", typeof(decimal));
            nutritionData.Columns.Add("protein", typeof(decimal));
            nutritionData.Columns.Add("cholesterol", typeof(decimal));
            nutritionData.Columns.Add("sugar", typeof(decimal));
            nutritionData.Columns.Add("sodium", typeof(decimal));


            HtmlNode[] nodes    = Document.DocumentNode.SelectNodes(".//*[@itemtype='http://schema.org/Recipe']").ToArray();
            HtmlNode[] child    = null;
            HtmlNode   NameNode = Document.DocumentNode.SelectSingleNode("/html/body/div[2]/div/div[1]/div[3]/section[1]/section[2]/div/h3");

            Name = NameNode.InnerText;

            foreach (HtmlNode item in nodes)
            {
                child = item.SelectNodes(".//*[@itemprop='ingredients']").ToArray();
                Console.WriteLine("INGREDIENTES\r");
                Console.WriteLine("-----------------------------------------------------------------------");
                foreach (HtmlNode chldnode in child)
                {
                    for (int ind = 0; ind < chldnode.Attributes.Count; ind++)
                    {
                        Console.WriteLine(chldnode.Attributes[ind].Name + ": " +
                                          chldnode.Attributes[ind].Value.ToString() + " ---> " +
                                          chldnode.InnerText.Trim() + "\r");
                        Ingredient = chldnode.InnerText.Trim();
                        recipe.NewRow();
                        recipe.Rows.Add(Name, Ingredient);
                    }
                }
                nodes = Document.DocumentNode.SelectNodes(".//*[@itemtype='http://schema.org/NutritionInformation']").ToArray();

                Console.WriteLine("INFORMACION DE NUTRICION\r");
                Console.WriteLine("-----------------------------------------------------------------------");

                foreach (HtmlNode chldnode in nodes)
                {
                    child = chldnode.SelectNodes(".//*[@itemprop]").ToArray();
                    foreach (HtmlNode ntNodo in child)
                    {
                        for (int ind = 0; ind < ntNodo.Attributes.Count; ind++)
                        {
                            Console.WriteLine(ntNodo.Attributes[ind].Value + ": " +
                                              RegexTool.GetNumber(ntNodo.InnerText) + "\r");
                            switch (ntNodo.Attributes[ind].Value)
                            {
                            case "calories":
                                calories = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "fatContent":
                                fat = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "saturatedFatContent":
                                saturatefat = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "fiberContent":
                                fiber = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "carbohydrateContent":
                                carbohydrate = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "proteinContent":
                                protein = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "cholesterolContent":
                                cholesterol = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "sugarContent":
                                sugar = RegexTool.GetNumber(ntNodo.InnerText);
                                break;

                            case "sodiumContent":
                                sodium = RegexTool.GetNumber(ntNodo.InnerText);
                                break;
                            }
                        }
                    }
                }
                nutritionData.Rows.Add(Convert.ToDecimal(calories), Convert.ToDecimal(fat), Convert.ToDecimal(saturatefat),
                                       Convert.ToDecimal(fiber), Convert.ToDecimal(carbohydrate), Convert.ToDecimal(protein), Convert.ToDecimal(cholesterol)
                                       , Convert.ToDecimal(sugar), Convert.ToDecimal(sodium));
            }
            recipeData.Tables.Add(recipe);
            recipeData.Tables.Add(nutritionData);
            objDataAccess.insertRecipeData(recipeData);
            Console.WriteLine("Datos Registrados con exito");
            return(recipeData);
        }