/**
* Adds a new candidate to the ballot
*
* @param candidate - The candidate to add
*
* @pre. candidate != null
*
* @post. candidates != null
* @post. candidates contains candidate
*/
public void addCandidateToBallot(VCSCandidate candidate)
{
Debug.Assert(candidate != null, "Candidate is null");
if (candidates == null)
{
candidates = new List<VCSCandidate>();
}
candidates.Add(candidate);
}
private bool checkForVoteWinner()
{
// If there is one candidate left, vote is over
if (getAllCandidates().Count() == 1)
{
winningCandidate = getAllCandidates()[0];
return true;
}
// If one candidate has more than 50% of vote, vote is over
int ballotCount = getBallots().Count();
VCSCandidate provisionallyWinningCandidate = null;
int provisionallyWinningScore = 51;
// For each candidate, check if they have more than 50% of the vote
foreach (VCSCandidate candidate in getAllCandidates())
{
int candidateVotes = getVotesForCandidate(candidate);
int percentageOfVote = (candidateVotes * 100) / ballotCount;
if (percentageOfVote >= provisionallyWinningScore)
{
provisionallyWinningCandidate = candidate;
provisionallyWinningScore = percentageOfVote;
}
}
winningCandidate = provisionallyWinningCandidate;
return provisionallyWinningCandidate != null;
}
public int getVotesForCandidate(VCSCandidate candidate)
{
Debug.Assert(isValidCandidateWithName(candidate.getName()), "Candidate does not exist");
return candidateVotes[candidate];
}
/**
* Used to initialise a ballot with a completed list of candidates
* @param candidatesSelected - The candidates selected
*
* @post. The ballot will have the candidates in order and be ready to use
*/
public VCSBallot(VCSCandidate[] candidatesSelected)
{
this.candidateOrder = candidatesSelected;
}
