public IList<Food> SearchForFood(SearchService SearchService, IList<Food> searchResults, String Key, String Exp, String Value)
{
int numericValue;
double dNumericValue;
if (searchResults == null)
{
throw new ArgumentException("Error during search please try again");
}
if (Key == "" || Value == "" || Exp == "")
{
return searchResults;
}
Key = Key.ToLower();
switch (Key.Trim())
{
case "name":
return SearchService.ApplySearchContains<Food>(searchResults, "Name", Exp, Value, true);
case "desc":
case "description":
return SearchService.ApplySearchContains<Food>(searchResults, "Description", Exp, Value, true);
case "category":
case "cat":
FoodCategory cat = FoodTracker.GetAllFoodCategories(true).Where(x => x.Name.ToLower() == Value).FirstOrDefault();
return SearchService.ApplySearchEquals<Food>(searchResults, "Category", Exp, cat);
case "cal":
case "calories":
if (!Int32.TryParse(Value, out numericValue))
{
throw new ArgumentException("Calories has to be a number in order to search");
}
else
{
return SearchService.ApplySearchNumerical<Food>(searchResults, "Calories", Exp, numericValue);
}
case "sugar":
case "sugars":
if (!Double.TryParse(Value, out dNumericValue))
{
throw new ArgumentException("Sugar has to be a number in order to search");
}
else
{
return SearchService.ApplySearchNumerical<Food>(searchResults, "Sugars", Exp, dNumericValue);
}
case "fat":
case "fats":
if (!double.TryParse(Value, out dNumericValue))
{
throw new ArgumentException("Fat has to be a number in order to search");
}
else
{
return SearchService.ApplySearchNumerical<Food>(searchResults, "Fat", Exp, dNumericValue);
}
case "satfat":
case "satfats":
case "saturates":
if (!double.TryParse(Value, out dNumericValue))
{
throw new ArgumentException("Saturates has to be a number in order to search");
}
else
{
return SearchService.ApplySearchNumerical<Food>(searchResults, "Saturates", Exp, dNumericValue);
}
case "salt":
if (!double.TryParse(Value, out dNumericValue))
{
throw new ArgumentException("Salt has to be a number in order to search");
}
else
{
return SearchService.ApplySearchNumerical<Food>(searchResults, "Salt", Exp, dNumericValue);
}
default:
throw new ArgumentException(Key.Trim() + "is not a valid search key");
}
}
