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package org.tela_botanica.del.client.services;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.tela_botanica.del.client.modeles.MoyenneVote;
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import org.tela_botanica.del.client.modeles.PropositionDetermination;
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import org.tela_botanica.del.client.modeles.VoteDetermination;
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public class CalculVoteDeterminationService {
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public static List<MoyenneVote> calculerVoteDeterminationPlusPopulaire(List<PropositionDetermination> propositions) {
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List<MoyenneVote> pairesVotes = new ArrayList<MoyenneVote>();
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for (PropositionDetermination proposition : propositions) {
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pairesVotes.add(calculerVoteDetermination(proposition));
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}
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java.util.Collections.sort(pairesVotes);
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return pairesVotes;
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}
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public static int getNombreTotalVotants(PropositionDetermination proposition) {
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int nbVotants = 0;
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List<PropositionDetermination> votes = proposition.getObservation().getPropositionDeterminations();
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Iterator<PropositionDetermination> itVotes = votes.iterator();
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while (itVotes.hasNext()) {
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PropositionDetermination propositionCourante = itVotes.next();
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nbVotants += propositionCourante.getVotesDeterminations().size();
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}
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return nbVotants;
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}
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public static MoyenneVote calculerVoteDetermination(PropositionDetermination propositionDetermination) {
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int nbVotants = getNombreTotalVotants(propositionDetermination);
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return calculerProportionVote(propositionDetermination, nbVotants);
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}
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public static MoyenneVote calculerMoyenneVoteDetermination(PropositionDetermination propositionDetermination, int nbVotants) {
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return calculerProportionVote(propositionDetermination, nbVotants);
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}
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private static MoyenneVote calculerProportionVote(PropositionDetermination propositionDetermination, int nbVotants) {
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Map<String,VoteDetermination> votes = propositionDetermination.getVotesDeterminations();
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double scoreVote = 0;
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if (votes.size() > 0 && nbVotants > 0) {
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Set<String> cles = votes.keySet();
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for (String cle : cles) {
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String idAuteur = cle;
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boolean voteEstPositif = votes.get(cle).getVote() == 1 ? true : false;
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if (estUnAuteurIdentifie(idAuteur)) {
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// un votant identifiant compte comme deux votants supplémentaires
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// il a donc un vote 3 fois supérieur
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if (voteEstPositif) {
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//scoreVote += 3;
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scoreVote += 1;
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} /*else {
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scoreVote -= 3;
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}*/
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} else {
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if (voteEstPositif) {
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scoreVote += 1;
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} /*else {
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scoreVote -= 1;
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}*/
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}
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}
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scoreVote = (scoreVote / nbVotants) * 100;
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}
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return new MoyenneVote((new Double(scoreVote)).intValue(), propositionDetermination);
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}
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private static boolean estUnAuteurIdentifie(String idAuteur) {
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boolean estIdentifie = true;
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try {
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int intIdAuteur = Integer.parseInt(idAuteur);
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} catch (NumberFormatException nfe) {
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estIdentifie = false;
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}
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return estIdentifie;
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}
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}
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