/// <summary>
/// Converts a JSON-file on string format to a list of corresponding NaceRegionData objects.
/// </summary>
/// <param name="jsonString">A JSON object represented as a string</param>
/// <param name="attributeName">The name of the datafield. Used to find and set the correct property in NaceRegionObjects</param>
/// <returns></returns>
public async Task <List <NaceRegionData> > Convert(string jsonString, string attributeName)
{
un = new EuroStatJSONUnNester(jsonString);
List <NaceRegionData> nrdList = new List <NaceRegionData>();
List <String> naceRegionYearFields = new List <String>();
List <int> numberOfItemsInFields = new List <int>();
if (!un.IsValidDataset())
{
return(nrdList);
}
List <Region> regions = await databaseStore.getAllRegions();
List <Nace> naces = await databaseStore.getAllNaces();
foreach (KeyValuePair <String, String> entry in un.GetValues())
{
List <int> totalElementsList = un.GetFields().ConvertAll(field => field.totalElements);
List <int> indexes = findIndexesOfFields(int.Parse(entry.Key), totalElementsList);
int naceId = indexes[un.GetFieldIndex("nace")];
int regionId = indexes[un.GetFieldIndex("region")];
int yearId = indexes[un.GetFieldIndex("year")];
string naceCode = un.GetNaceCode(naceId: naceId);
string regionCode = un.GetRegionCode(regionId: regionId);
int year = un.GetYear(yearId: yearId);
double propValue = double.Parse(entry.Value, CultureInfo.InvariantCulture);
Nace nace = naces.Find(nace => nace.naceCode == naceCode);
Region region = regions.Find(region => region.regionCode == regionCode);
if (nace != null && region != null)
{
NaceRegionData nrd = new NaceRegionData()
{
naceId = nace.naceId, regionId = region.regionId, year = year
};
Type type = nrd.GetType();
PropertyInfo prop = type.GetProperty(attributeName);
prop.SetValue(nrd, propValue, null);
nrdList.Add(nrd);
}
}
return(nrdList);
}
public void GetFieldIndexShouldReturnCorrectIndexForJSONUnNester2(string fieldName, int expected)
{
Assert.AreEqual(expected, jun2.GetFieldIndex(fieldName));
}