public async Task performAggregateOperation()
{
Task <List <string> > CsvData = IOOperations.ReadFileByLineAsync("../../../../AggregateGDPPopulation/data/datafile.csv");
Task <string> MapDataString = IOOperations.ReadFileToEndAsync("../../../../AggregateGDPPopulation/data/countrytocontinentmap.json");
List <string> CsvDataList = await CsvData;
string[] CsvDataHeaders = CsvDataList[0].Replace("\"", string.Empty).Split(',');
int CountryIndex = Array.IndexOf(CsvDataHeaders, "Country Name");
int PopulationIndex = Array.IndexOf(CsvDataHeaders, "Population (Millions) 2012");
int GDPIndex = Array.IndexOf(CsvDataHeaders, "GDP Billions (USD) 2012");
CsvDataList.Remove(CsvDataList[0]);
List <string[]> CsvDataListSplitByComma = new List <string[]>();
AddOrUpdateOutput output = new AddOrUpdateOutput();
foreach (string item in CsvDataList)
{
CsvDataListSplitByComma.Add(item.Replace("\"", string.Empty).Split(','));
}
string MapData = await MapDataString;
var CountryContinetMap = JSONOperations.JSONDeserialize(MapData);
foreach (string[] row in CsvDataListSplitByComma)
{
float Population = float.Parse(row[PopulationIndex]);
float GDP = float.Parse(row[GDPIndex]);
try
{
string Continent = CountryContinetMap.GetValue(row[CountryIndex]).ToString();
output.AddOrUpdate(Continent, Population, GDP);
}
catch (Exception) { }
}
string Output = JSONOperations.JSONSerialize(output.AggregateOutput);
await IOOperations.WriteToFileAsync("../../../../AggregateGDPPopulation/output/output.json", Output);
}
public async Task <JObject> AggregateCalculations()
{
Task <string> FileContentsTask = FileOperations.ReadfileAsync(CSVPath);
Task <string> JSONMapTask = FileOperations.ReadfileAsync(CountryContinentMapPath);
string FileContentsComplete = await FileContentsTask;
string[] FileContents = FileContentsComplete.Split('\n');
string headerText = FileContents[0];
string[] headers = headerText.Replace("\"", "").Split(',');
int IndexOfCountry = Array.IndexOf(headers, "Country Name");;
int IndexOfPopulation = Array.IndexOf(headers, "Population (Millions) 2012");
int IndexOfGDP = Array.IndexOf(headers, "GDP Billions (USD) 2012");
string CountryContinentJSONFileContents = await JSONMapTask;
var CountryContinentMap = JSONOperations.DeSerializeString(CountryContinentJSONFileContents);
for (int i = 1; i < FileContents.Length - 1; i++)
{
List <string> RowOfData = FileContents[i].Split(',').ToList();
string Country = RowOfData[IndexOfCountry].Trim('\"');
float Population = float.Parse(RowOfData[IndexOfPopulation].Trim('\"'));
float Gdp = float.Parse(RowOfData[IndexOfGDP].Trim('\"'));
try
{
string Continent = CountryContinentMap.GetValue(RowOfData[IndexOfCountry].Trim('\"')).ToString();
AggregatedData.AddOrUpdateAggGDPPopulation(Continent, Gdp, Population);
}
catch (Exception) { }
}
var JSONOutput = JSONOperations.SerializeJObject(AggregatedData.AggGDPPopulation);
var AggregatedJSON = JSONOperations.DeSerializeString(JSONOutput);
FileOperations.WriteFileAsync(OutputPath, JSONOutput);
return(AggregatedJSON);
}
