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House.java
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House.java
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import java.util.Vector;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Properties;
import java.util.Date;
import java.io.*;
import java.text.NumberFormat;
import javax.mail.*;
import javax.mail.internet.*;
public class House extends Object implements Serializable
{
Vector people;
float averageWage;
double austerityValue = .4;
double spendingCap = 416.67;
float totalMoneyNeeds;
float totalLaborNeeds;
// for information only:
float totalDesiredHouseQuota;
float totalDesiredIncomeQuota;
float totalHouseQuota;
float totalIncomeQuota;
float totalIncome;
String errors;
//*** CHANGE MAIL CONFIG HERE ***
String mailsrv = "mail.example.com";
int mailport = 465;
String mailfrom = "foobar@example.com";
String mailuser = "foobar@example.com";
String mailpass = "supersecretpassword";
//*** END MAIL CONFIG ***
House()
{
people = new Vector();
}
int getHouseSize()
{
return people.size();
}
Person getPerson(int id)
{
if (id >= people.size() )
return null;
return (Person) people.get(id);
}
// called by gui
// returns row where person put
int addPerson()
{
Person person = new Person(this);
people.insertElementAt(person, 0);
person.setDesiredHouseQuota(person.laborNeeds);
return 0;
}
void removePerson(Person p)
{
if (p == null) return;
if (p instanceof PersonTotals) return;
people.remove(p);
}
//void setPerson(int id, Person p)
//{
// if (id+1 >= people.size())
// return;
// people.setElementAt(p, id);
//}
/////////////////////////////////
// FILE STORAGE
void save(File file) throws IOException
{
PrintWriter out = new PrintWriter(new FileOutputStream(file));
out.write(Person.columnNames());
out.write('\n');
Person person;
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
out.write(person.toString());
out.write('\n');
}
out.close();
if (isEveryoneFinalized())
sendCheckReminders();
}
void load(File file) throws IOException
{
people.clear();
BufferedReader in = new BufferedReader(new FileReader(file));
in.readLine(); // get rid of headers (todo: parse column labels and match with data)
Person person;
String line;
while( (line = in.readLine()) != null)
{
person = new Person(this);
people.addElement(person);
person.fromString(line);
}
}
/////////////////////////////////
// QUOTA DISTRIBUTION
// for vital house data used to calculate people's quota
void updateNeeds()
{
Person person;
totalMoneyNeeds = 0;
totalLaborNeeds = 0;
for (Enumeration e = people.elements(); e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
totalMoneyNeeds += person.moneyNeeds;
totalLaborNeeds += person.laborNeeds;
}
}
/*
double getNetIncome()
{
Person person;
totalMoneyNeeds = 0;
double totalIncome = 0;
double netIncome;
for (Enumeration e = people.elements(); e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
totalMoneyNeeds += person.moneyNeeds;
if (person.isLaborSharing)
totalIncome += person.incomeQuota * person.wage;
else
totalIncome += person.moneyNeeds;
}
netIncome = totalIncome - totalMoneyNeeds;
return Math.round(netIncome * 1000000) / 1000000; // round to a fixed decimal place.
}
*/
double getNetIncome()
{
Person person;
double netIncome = -1 * totalMoneyNeeds;
for (Enumeration e = people.elements(); e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
netIncome += person.owed;
}
//System.out.println("ni: "+netIncome);
//return netIncome;
return Math.round(netIncome * 100.0) / 100.0;
// round to a fixed decimal place.
// this is very important!!!
// if we do not, we might loop forever
}
void updateAverageWage()
{
Person person;
float wagesum = 0;
int laborSharers = 0;
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
if (person.isLaborSharing)
{
laborSharers++;
person.adjustedWage = person.calculateAdjustedWage();
wagesum += person.adjustedWage;
}
}
averageWage = wagesum/laborSharers;
}
/**
updateDesires insures that our desired quota actually totals
to the estimated quota we should have.
it is very important that desired quota == estimated quota
depends:
averageWage
person.laborNeeds
person.moneyNeeds
result:
person.desiredLaborQuota
person.desiredIncomeQuota
person.estQuota
**/
void updateDesires()
{
Person p;
for (Enumeration e = people.elements(); e.hasMoreElements() ;)
{
p = (Person) e.nextElement();
p.estQuota = p.laborNeeds + p.moneyNeeds/averageWage;
p.minIncomeQuota = p.calculateMinIncomeQuota();
p.maxIncomeQuota = p.calculateMaxIncomeQuota();
p.adjustedWage = p.calculateAdjustedWage();
float percent = ((float)p.desiredIncomeQuota) / (p.desiredIncomeQuota + p.desiredHouseQuota);
p.desiredIncomeQuota = p.estQuota * percent;
if (p.desiredIncomeQuota > p.maxIncomeQuota)
p.desiredIncomeQuota = p.maxIncomeQuota;
else if (p.desiredIncomeQuota < p.minIncomeQuota)
p.desiredIncomeQuota = p.minIncomeQuota;
p.desiredHouseQuota = p.estQuota - p.desiredIncomeQuota;
// sanity check for people with no income
if (p.adjustedWage == 0) {
p.desiredHouseQuota = p.estQuota;
p.desiredIncomeQuota = 0;
}
}
}
// for informational sums
// nothing depends on these numbers.
void updateSums()
{
Person person;
totalDesiredHouseQuota = 0;
totalDesiredIncomeQuota = 0;
totalHouseQuota = 0;
totalIncomeQuota = 0;
totalIncome = 0;
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
totalDesiredHouseQuota += person.desiredHouseQuota;
totalDesiredIncomeQuota += person.desiredIncomeQuota;
totalHouseQuota += person.houseQuota;
totalIncomeQuota += person.incomeQuota;
totalIncome += person.owed;
}
}
/**
depends:
totalLaborNeeds
laborSharers
person.desiredHouseQuota
person.isLaborSharing
person.laborNeeds
result:
person.houseQuota
**/
boolean distributeHouseQuota()
{
Person person;
float hoursSoFar = 0;
int lscount = 0; // number of labor sharers
// first, do expense sharers
// give each house quota equal to their labor needs.
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (!person.isLaborSharing) {
person.houseQuota = person.laborNeeds;
hoursSoFar += person.houseQuota;
}
else {
lscount ++;
}
}
// now do labor sharers
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (person.isLaborSharing) {
person.houseQuota = person.estQuota - person.incomeQuota;
hoursSoFar += person.houseQuota;
}
}
double netQuota = totalLaborNeeds - hoursSoFar;
// netQuota might be positive or negative. distribute evenly to labor sharers
double off = 0; //
double totaloff = 0; //
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (person.isLaborSharing)
{
person.houseQuota += netQuota/lscount; // distribute net evenly
// caculate for our next loop how much people
// are off from their estimated quota.
off = person.houseQuota + person.incomeQuota - person.estQuota;
totaloff += off;
}
}
// we want to insure that everyone is off from
// their estimated quota by the same number of hours, to keep everything fair.
// also, return true if someone ends up with negative quota.
boolean negativeQuota = false;
double averageoff = totaloff/lscount;
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (person.isLaborSharing) {
off = person.houseQuota + person.incomeQuota - person.estQuota;
person.houseQuota += averageoff - off;
if (person.houseQuota < 0)
negativeQuota = true;
}
}
return negativeQuota;
}
/**
depends:
person.isLaborSharing
person.moneyNeeds
person.adjustedWage
result:
person.incomeQuota
person.owed
**/
void distributeIncomeQuota()
{
double moneySoFar = 0;
HashSet exempt = new HashSet(); // people in this hash are exempt from further quota changes!
Person person;
// EXPENSE SHARERS
// give each expense sharers quota equal to their labor needs.
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (person.isLaborSharing && person.adjustedWage == 0) // non-wage earners cannot have income quota
{
person.incomeQuota = 0;
person.owed = 0;
exempt.add(person);
}
else if (!person.isLaborSharing)
{
person.incomeQuota = 0;
person.owed = person.moneyNeeds;
moneySoFar += person.moneyNeeds;
exempt.add(person);
}
}
// LABOR SHARERS
// step 1: give everyone what they want
for (Enumeration e = people.elements() ; e.hasMoreElements() ;)
{
person = (Person) e.nextElement();
if (exempt.contains(person)) continue;
person.incomeQuota = person.desiredIncomeQuota;
person.owed = person.incomeQuota * person.adjustedWage;
}
// step 2: continually increase or decrease people's income quota
// by safe little steps until we cannot any longer or we have made
// up all our deficit.
double netIncome; // positive if we have a surplus, negative if we have a deficit. our target is zero.
int nonExemptCount; // number of people we can still adjust
netIncome = getNetIncome();
nonExemptCount = people.size() - exempt.size();
//System.out.println("---------------------------------");
System.out.println("-");
int i = 0;
System.out.println("net income: "+netIncome);
while (netIncome != 0.0 && nonExemptCount > 0) // while we still have a deficit and not everyone is exempt
{
if (i++ > 30)
{
// sanity check. if we haven't exited yet, we are messed up
System.out.println("ERROR: infinite loop...");
break;
}
double wageTotal = 0;
double possibleIncrease = 100000; // arbitrary big number
double possibleDecrease = -100000; // arbitrary small number
// first, find averagewage and possible increase or decrease
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
//System.out.println(person.name+": "+person.maxIncomeQuota);
if (exempt.contains(person))
{
//System.out.println("exempt: "+person.name);
continue;
}
wageTotal += person.adjustedWage;
if (netIncome > 0) // we need to decrease income quota
{
if (person.incomeQuota == person.minIncomeQuota)
exempt.add(person);
else
possibleDecrease = Math.max(possibleDecrease, person.minIncomeQuota - person.incomeQuota);
}
if (netIncome < 0) // we need to increase quota
{
if (person.incomeQuota==person.maxIncomeQuota || person.estQuota-person.incomeQuota<=0 ) {
// exempt people who have maxed out or who if we increase any more then
// they end up with negative house quota, which is not possible.
exempt.add(person);
}
else {
// we can increase so long as we do not exceed max quota or reduce house quota below zero.
possibleIncrease = Math.min(possibleIncrease, person.maxIncomeQuota - person.incomeQuota);
possibleIncrease = Math.min(possibleIncrease, person.estQuota-person.incomeQuota);
}
}
}
double tmpAverageWage = wageTotal/nonExemptCount;
double desiredChange = -1.0 * netIncome/tmpAverageWage/nonExemptCount;
double actualChange = 0;
if (netIncome > 0) // we need to decrease quota
actualChange = Math.max(possibleDecrease, desiredChange);
if (netIncome < 0) // we need to increase quota
actualChange = Math.min(possibleIncrease, desiredChange);
//System.out.println("-");
//System.out.println("netIncome: "+netIncome);
//System.out.println("nonExemptCount: "+nonExemptCount);
//System.out.println("tmpAverageWage: "+tmpAverageWage);
//System.out.println("desiredChange: "+desiredChange);
//System.out.println("possibleIncrease: "+possibleIncrease);
//System.out.println("possibleDecrease: "+possibleDecrease);
//System.out.println("actualChange: "+actualChange);
if (actualChange == 0) // we are so fucked, so bail
{
System.out.println("Target income unreachable!");
break;
}
// change everyone's income quota by actual change
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
if (exempt.contains(person)) continue;
person.incomeQuota += actualChange;
person.owed = person.incomeQuota * person.adjustedWage;
//if (person.estQuota - person.incomeQuota < 0)
// System.out.println("Yikes!! "+person.name+" has negative house quota");
//System.out.println(person.name+" "+ (person.estQuota - person.incomeQuota));
if (netIncome > 0 && person.minIncomeQuota == person.incomeQuota)
exempt.add(person);
if (netIncome < 0 && person.maxIncomeQuota == person.incomeQuota)
exempt.add(person);
// to make sure that people with less than half an hour don't end up
// actually getting any quota.
if (person.incomeQuota < 0.5)
{
person.incomeQuota = 0;
person.owed = 0;
exempt.add(person);
}
}
nonExemptCount = people.size() - exempt.size();
netIncome = getNetIncome();
System.out.println("net income: "+netIncome);
System.out.println("weight average wage: "+averageWage);
System.out.flush();
//try { System.in.read(); } catch (Exception e) {}
}
}
void fixNegativeQuota()
{
Person person;
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
if (person.houseQuota < 0)
{
person.setMaxIncomeQuota( (float) Math.floor( person.incomeQuota+person.houseQuota ), false );
System.out.println(person.name+" limited to "+person.maxIncomeQuota);
// hopefully, setting the max to be the income quota less the
// amount we are under zero with house quota will
// create a house quota of zero.
}
}
}
void restoreLimits()
{
Person person;
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
person.setMaxIncomeQuota(person.tempMax, false);
}
}
void storeLimits()
{
Person person;
for (Enumeration e = people.elements(); e.hasMoreElements();)
{
person = (Person) e.nextElement();
person.tempMax = person.calculateMaxIncomeQuota();
}
}
void calculate()
{
// the order of these calls is very important!
storeLimits();
updateNeeds();
updateAverageWage();
updateDesires();
for(int i=0; i<3; i++)
recursiveCalc();
restoreLimits();
updateSums();
}
void recursiveCalc()
{
boolean negativeQuotaExists;
distributeIncomeQuota();
negativeQuotaExists = distributeHouseQuota();
if (negativeQuotaExists)
{
System.out.println("entering negative land");
//System.out.flush();
fixNegativeQuota(); // prevent negative quota by decreasing max income quota
//recursiveCalc();
}
}
boolean isEveryoneFinalized()
{
boolean finalized = true;
for(Enumeration e = people.elements(); e.hasMoreElements();) {
Person person = (Person) e.nextElement();
if (!person.isFinalized)
finalized = false;
}
return finalized;
}
private class SMTPAuthenticator extends Authenticator {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(mailuser, mailpass);
}
}
void mailPerson(String to, String subject, String text) {
Properties props = new Properties();
props.put("mail.host", mailsrv);
props.put("mail.smtps.port", mailport);
props.put("mail.smtps.ssl.enable", "true");
props.put("mail.debug", "true");
props.put("mail.smtps.auth", "true");
SMTPAuthenticator auth = new SMTPAuthenticator();
Session session = Session.getInstance(props, auth);
session.setDebug(true);
try {
MimeMessage msg = new MimeMessage(session);
msg.setText(text);
msg.setSubject(subject);
msg.setFrom(new InternetAddress(mailfrom));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
Transport tr = session.getTransport("smtps");
tr.connect(mailsrv, mailport, mailuser, mailpass);
tr.sendMessage(msg, msg.getAllRecipients());
tr.close();
} catch (MessagingException mex) {
System.out.println("E-mail send failed: " + mex);
}
}
/* void mailPerson(String to, String subject, String text) {
// Properties props = new Properties();
// props.put("mail.debug", "true");
// props.put("mail.smtps.ssl.enable", "true");
// props.put("mail.smtps.port", mailport);
// props.put("mail.smtps.auth", "true");
// props.put("mail.host", mailsrv);
// props.put("mail.from", mailfrom);
Properties props = System.getProperties();
Session session = Session.getDefaultInstance(props, null);
// Session session = Session.getInstance(props, null);
try {
// Transport tr = session.getTransport("smtp");
MimeMessage msg = new MimeMessage(session);
//tr.connect(mailsrv, mailuser, mailpass);
// msg.saveChanges();
msg.setFrom();
msg.setRecipients(Message.RecipientType.TO,to);
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setText(text);
Transport tr = session.getTransport("smtp");
tr.connect(mailsrv, mailport, mailuser, mailpass);
tr.send(msg);
tr.close();
} catch (MessagingException mex) {
System.out.println("E-mail send failed: " + mex);
}
}*/
void sendCheckReminders() {
for(Enumeration e = people.elements(); e.hasMoreElements();) {
Person person = (Person) e.nextElement();
if(person.email != "") {
Float m = (Float)person.getValue(7);
// DecimalFormat f = new DecimalFormat("#.##");
NumberFormat f = NumberFormat.getCurrencyInstance();
String text = new StringBuilder("Hi ").append(person.name).append("! Your quotas for last month are:\n\nIn-house hours: ").append(person.getValue(5)).append("\nOut-of-house hours: ").append(person.getValue(6)).append("\nMoney: $").append(f.format(m)).append("\n\n<3 Gizmo").toString();
mailPerson(person.email, "Gizmo Finalized!", text);
}
}
}
}