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package lq;
import java.util.Collections;
import java.util.List;
import java.util.Comparator;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
public class QuoteUtil {
public static List<Quote> getQuotes() {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Query quoteQuery = pm.newQuery(Quote.class);
quoteQuery.setFilter("approved == true");
List<Quote> quotes = (List<Quote>) quoteQuery.execute();
pm.retrieveAll(quotes);
return quotes;
}
finally {
pm.close();
}
}
public static Quote getQuoteWithId(Long id) {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Query quoteQuery = pm.newQuery(Quote.class);
quoteQuery.setFilter("id == idParam");
quoteQuery.declareParameters("Long idParam");
List<Quote> quotes = (List<Quote>) quoteQuery.execute(id);
if (quotes.isEmpty()) {
return null;
}
else {
Quote result = quotes.get(0);
pm.retrieve(result);
return result;
}
}
finally {
pm.close();
}
}
public static List<Quote> getQuotesPendingApproval() {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Query quoteQuery = pm.newQuery(Quote.class);
quoteQuery.setFilter("approved == null");
List<Quote> quotes = (List<Quote>) quoteQuery.execute();
pm.retrieveAll(quotes);
return quotes;
}
finally {
pm.close();
}
}
public static List<Quote> getQuotesOrderedByIdDesc() {
List<Quote> quotes = getQuotes();
Collections.sort(quotes,
new Comparator<Quote>() {
public int compare(Quote q1, Quote q2) {
return Long.signum(q2.getId() - q1.getId());
}
});
return quotes;
}
public static List<Quote> getQuotesOrderedByScoreDesc() {
List<Quote> quotes = getQuotes();
Collections.sort(quotes,
new Comparator<Quote>() {
public int compare(Quote q1, Quote q2) {
return Doubles.signum(q2.getScorePoints() - q1.getScorePoints());
}
});
return quotes;
}
public static List<Quote> getQuotesOrderedByDateDesc() {
List<Quote> quotes = getQuotes();
Collections.sort(quotes,
new Comparator<Quote>() {
public int compare(Quote q1, Quote q2) {
return q2.getQuoteDate().compareTo(q1.getQuoteDate());
}
});
return quotes;
}
public static void approveQuote(Long id) {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Query quoteQuery = pm.newQuery(Quote.class);
quoteQuery.setFilter("id == idParam");
quoteQuery.declareParameters("Long idParam");
List<Quote> quotes = (List<Quote>) quoteQuery.execute(id);
for (Quote quote : quotes) {
quote.setApproved(true);
pm.makePersistent(quote);
}
}
finally {
pm.close();
}
}
public static void rejectQuote(Long id) {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Query quoteQuery = pm.newQuery(Quote.class);
quoteQuery.setFilter("id == idParam");
quoteQuery.declareParameters("Long idParam");
List<Quote> quotes = (List<Quote>) quoteQuery.execute(id);
for (Quote quote : quotes) {
quote.setApproved(false);
pm.makePersistent(quote);
}
}
finally {
pm.close();
}
}
public static void addVote(Quote quote, Vote vote) {
quote.setSumVotes(quote.getSumVotes() + vote.getRating());
quote.setNumVotes(quote.getNumVotes() + 1);
double scorePoints = (vote.getRating()-2.5) * Math.abs((vote.getRating()-2.5));
quote.setScorePoints(quote.getScorePoints() + scorePoints);
}
}
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