public void it_should_return_food()
{
var scrapper = new XPathScrapper();
var scrap = new Scrap
{
CaloriesXPath = @"//*[@id=""prod-detail""]/section/section[2]/table/tbody/tr[2]/td[3]",
ProteinXPath = @"//*[@id=""prod-detail""]/section/section[2]/table/tbody/tr[3]/td[3]",
CarbohydrateXPath = @"//*[@id=""prod-detail""]/section/section[2]/table/tbody/tr[12]/td[3]",
FatXPath = @"//*[@id=""prod-detail""]/section/section[2]/table/tbody/tr[4]/td[3]",
ProductXPath = @"//*[@id=""subPageTitle""]"
};
var results = scrapper.Scrap(scrap, File.ReadAllText("Data/john-west.html"));
var expected = new Food
{
Brand = "John West",
Product = "Pole and Line Skipjack Tuna in Springwater 185g",
Calories = 115,
Protein = 26.4M,
Fat = 0.9M,
Carbohydrate = 0
};
Assert.Equal(expected.Calories, results.Food.Calories);
Assert.Equal(expected.Protein, results.Food.Protein);
Assert.Equal(expected.Fat, results.Food.Fat);
Assert.Equal(expected.Carbohydrate, results.Food.Carbohydrate);
Assert.Equal(expected.Product, results.Food.Product);
}
public ActionResult Edit(Food request)
{
db.Update(request);
return View(request);
}
public ActionResult Delete(Food request)
{
db.Delete<Food>(f => f.Id == request.Id);
return RedirectToAction("Index");
}
public ActionResult Add(Food request)
{
db.Insert(request);
return RedirectToAction("Index");
}
public ScrappedContent Scrap(Scrap scrap, string content)
{
var doc = new HtmlDocument();
doc.LoadHtml(content);
var food = new Food();
if (!String.IsNullOrEmpty(scrap.BrandXPath))
{
Log("Brand");
food.Brand = GetString(doc, scrap.BrandXPath);
}
if (!String.IsNullOrEmpty(scrap.ProductXPath))
{
Log("Product");
food.Product = GetString(doc, scrap.ProductXPath);
}
if (!String.IsNullOrEmpty(scrap.CaloriesXPath))
{
Log("Calories");
food.Calories = GetDecimal(doc, scrap.CaloriesXPath);
}
if (!String.IsNullOrEmpty(scrap.CarbohydrateXPath))
{
Log("Carbohydrate");
food.Carbohydrate = GetDecimal(doc, scrap.CarbohydrateXPath);
}
if (!String.IsNullOrEmpty(scrap.ProteinXPath))
{
Log("Protein");
food.Protein = GetDecimal(doc, scrap.ProteinXPath);
}
if (!String.IsNullOrEmpty(scrap.FatXPath))
{
Log("Fat");
food.Fat = GetDecimal(doc, scrap.FatXPath);
}
return new ScrappedContent
{
Food = food,
Messages = _log.ToString()
};
}
