public static List <Charity> GetCharitiesInCountry(string country)
{
List <Charity> result = new List <Charity>();
CharityDonationOption.getDefault().Where(x => x.country == country).GroupBy(z => new { z.charityName, z.charityWebsite, z.iconUrl, z.description }).ToList().ForEach(y => result.Add(new Charity()
{
charityName = y.Key.charityName,
charityWebsite = y.Key.charityWebsite,
iconUrl = y.Key.iconUrl,
description = y.Key.description,
}));
return(result);
}
public static List <DonationImpact> GetDonationImpact(string country, string charity, double amount)
{
List <DonationImpact> result = new List <DonationImpact>();
if (amount > 1000000)
{
amount = 1000000;
}
var options = CharityDonationOption.getDefault().Where(x => x.country == country && x.charityName == charity).ToList();
var split = new List <KnapsackItem>();
foreach (var typeD in options)
{
double currentSpend = 0;
double valueMult = 1;
while (currentSpend < amount)
{
split.Add(new KnapsackItem
{
parent = typeD,
value = (double)typeD.ValuePerTreatment * valueMult,
size = (double)typeD.costPerTreatment,
});
currentSpend += (double)typeD.costPerTreatment;
valueMult *= typeD.nextEffectiveness;
}
}
var spread = SplitBestEffect(amount, split).GroupBy(x => x.parent).Select(g => new
{
parent = g.Key,
value = g.Sum(x => x.value),
size = g.Sum(x => x.size),
amt = g.Count(),
}).ToList();
List <DonationImpactItem> resultTemp = new List <DonationImpactItem>();
spread.ForEach(item =>
resultTemp.Add(new DonationImpactItem
{
locationName = item.parent.locationName,
latitude = item.parent.latitude,
longitude = item.parent.longitude,
peopleEffected = item.amt * item.parent.peopleEffected,
amountOfItems = item.amt,
donation = (decimal)item.size,
type = item.parent.treatmentName,
})
);
resultTemp.GroupBy(z => new
{
z.locationName,
z.longitude,
z.latitude
}).ToList().ForEach(r => result.Add(new DonationImpact
{
locationName = r.Key.locationName,
longitude = r.Key.longitude,
latitude = r.Key.latitude,
peopleEffected = r.Sum(x => x.peopleEffected),
subItems = new List <DonationImpactItem>()
}));
resultTemp.ForEach(x => result.First(t => t.locationName == x.locationName).subItems.Add(x));
return(result);
}