public City(string country, string cityName, string timeZone, CityPopulation population)
{
Country = country;
Name = cityName;
TimeZone = timeZone;
Population = population;
}
public double SustainabilityScore(string city, string state)
{
// convert 2 letter state to full name for some requests
// ex: given NE, select dictionary key for the first entry with value NE (key is full name)
if (!Constants.states.ContainsValue(state))
{
throw new Exception("Only US locations are supported at this time");
}
state = Constants.states.FirstOrDefault(s => s.Value == state).Key;
var client = new HttpClient();
// population data
CityPopulation p = GetPopulationAsync(client, city, state).Result;
int? population = p.records.FirstOrDefault()?.fields.population;
if (population == null)
{
throw new Exception("Population data error");
}
// use coords from population data to find ev chargers
// ev charger score (bonus points if > avg)
List <double> coordinates = p.records[0].geometry.coordinates;
var OCResultList = GetOpenChargeResultAsync(client, coordinates[1], coordinates[0]).Result;
int numEVStations = OCResultList.Count(ocr => ocr.AddressInfo.Town == city);
double EVStationScoreBonus = (double)numEVStations / population.Value;
// energy consumption score
int avgResidentialEnergyUse = GetEnergyConsumptionsResultsAsync(client, city, state).Result;
double energyScore = (double)avgResidentialEnergyUse / population.Value;
// air quality value
var airResult = GetAirVisualResultAsync(client, city, state).Result;
int airQuality = airResult.data.current.pollution.aqius;
// air quality score based on us official air quality index rankings
int airScore;
if (airQuality <= 25)
{
airScore = 6;
}
else if (airQuality <= 100)
{
airScore = 5;
}
else if (airQuality <= 200)
{
airScore = 4;
}
else if (airQuality <= 300)
{
airScore = 3;
}
else if (airQuality <= 400)
{
airScore = 2;
}
else if (airQuality <= 500)
{
airScore = 1;
}
else
{
throw new Exception("api error: value not in expected range");
}
int finalScore = 10;
if (airScore < 6)
{
finalScore -= (int)((7 - airScore)); // deductions for poor air quality
}
if (energyScore > 2)
{
finalScore -= (int)((energyScore + 1)); // unsure of good metric to deduct points for energy score
}
if (EVStationScoreBonus > .0001)
{
finalScore++; // bonus point for ev chargers: approximate avg # evc / population = .1 / 1000 = .0001
}
client.Dispose();
return(finalScore);
}
