public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var dict = new Dictionary <NutrientType, FoodNutrient>();
var jArray = JArray.Load(reader);
foreach (var nutrient in jArray)
{
NutrientType id = (NutrientType)(int)nutrient["nutrient"]["id"];
dict.Add(id, nutrient.ToObject <FoodNutrient>());
}
return(dict);
}
public IList <Nutrition> Parse(string fileName, NutrientType nutrientType1, NutrientType nutrientType2, NutrientType nutrientType3)
{
var result = new List <Nutrition>();
using (var file = File.OpenText(fileName))
{
var csv = new CsvHelper.CsvReader(file);
while (csv.Read())
{
var id = csv.GetField <string>(0);
var name = csv.GetField <string>(1);
var nutrient1Str = csv.GetField <string>(2);
var nutrient2Str = csv.GetField <string>(3);
var nutrient3Str = csv.GetField <string>(4);
var nutrients = new List <Nutrient>();
decimal nutrient1, nutrient2, nutrient3;
if (decimal.TryParse(nutrient1Str, out nutrient1))
{
nutrients.Add(new Nutrient {
Grams = nutrient1, Type = nutrientType1
});
}
if (decimal.TryParse(nutrient2Str, out nutrient2))
{
nutrients.Add(new Nutrient {
Grams = nutrient2, Type = nutrientType2
});
}
if (decimal.TryParse(nutrient3Str, out nutrient3))
{
nutrients.Add(new Nutrient {
Grams = nutrient3, Type = nutrientType3
});
}
result.Add(new Nutrition
{
Id = id,
Name = name,
Nutrients = nutrients
});
}
}
return(result);
}
