public ConstituencyResult(
ConstituencyResult src,
Dictionary <string, float> constituencySwingsByParty) : this(src)
{
Code = src.Code;
Constituency = src.Constituency;
// Loop through the party results adding the swings to the previous totals.
for (int i = 0; i < PartyResults.Count; i++)
{
string partyAbbreviation =
PartyResults[i].PartyAbbreviation;
float percentageMultiplier = 100f / TotalValidVotesCast;
if (constituencySwingsByParty.ContainsKey(partyAbbreviation))
{
double swingMultiplier = constituencySwingsByParty[partyAbbreviation] / 100d;
int swingVotes = (int)Math.Round(swingMultiplier * TotalValidVotesCast);
PartyResults[i].Votes += swingVotes;
if (PartyResults[i].Votes < 1)
{
PartyResults[i].Votes = 0;
}
PartyResults[i].PercentageOfVotes =
percentageMultiplier * PartyResults[i].Votes;
}
}
// Loop through the swings adding any that did not stand previously.
foreach (string partyName in constituencySwingsByParty.Keys)
{
if (PartyResults.All(x => x.PartyAbbreviation != partyName))
{
float percentageOfVotes = constituencySwingsByParty[partyName];
double swingMultiplier = percentageOfVotes / 100d;
int swingVotes = (int)Math.Round(swingMultiplier * TotalValidVotesCast);
PartyResults.Add(
new PartyResult
{
PartyAbbreviation = partyName,
PercentageOfVotes = percentageOfVotes,
Votes = swingVotes
});
}
}
// Sort the result to get the winner and the majority
List <PartyResult> sortedResults = PartyResults.OrderByDescending(x => x.Votes).ToList();
PartyResult first = sortedResults[0];
PartyResult second = sortedResults[1];
Win = first.PartyAbbreviation;
Second = second.PartyAbbreviation;
Majority = first.Votes - second.Votes;
MajorityPercentage = first.PercentageOfVotes - second.PercentageOfVotes;
}
public ConstituencyResult(ConstituencyResult src) : base(src)
{
Code = src.Code;
Constituency = src.Constituency;
Win = src.Win;
Second = src.Second;
Majority = src.Majority;
MajorityPercentage = src.MajorityPercentage;
}
private void AddListConstituencyToTotals(ConstituencyResult constituency)
{
Electorate += constituency.Electorate;
TotalBallotsAtTheCount += constituency.TotalBallotsAtTheCount;
TotalValidVotesCast += constituency.TotalValidVotesCast;
RejectedBallots += constituency.RejectedBallots;
foreach (PartyResult partyResult in constituency.PartyResults)
{
if (SecondVoteByParty.ContainsKey(partyResult.PartyAbbreviation))
{
SecondVoteByParty[partyResult.PartyAbbreviation].Votes +=
partyResult.Votes;
}
else
{
SecondVoteByParty.Add(partyResult.PartyAbbreviation, partyResult);
}
}
PartyResults = SecondVoteByParty.Values.ToList();
}
