done

pom.xml

@@ -7,6 +7,14 @@
     <groupId>com.zipcoder</groupId>
     <artifactId>payment</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>

src/main/java/com/zipcoder/payment/Check.java

@@ -0,0 +1,58 @@
+package com.zipcoder.payment;
+
+public class Check implements Payment{
+    private static Long highestCheckId = 0L;
+    private Long id;
+    private String payerName;
+    private String routingNumber;
+    private String accountNumber;
+
+    public Check(String payerName, String accountNumber, String routingNumber) {
+        this.id = highestCheckId+1;
+        this.payerName = payerName;
+        this.accountNumber = accountNumber;
+        this.routingNumber = routingNumber;
+    }
+
+    public String getRoutingNumber() { return routingNumber; }
+
+    public void setRoutingNumber(String routingNumber) { this.routingNumber = routingNumber; }
+
+    public void setPayerName(String payerName) {
+        this.payerName = payerName;
+    }
+
+    public String getAccountNumber() {
+        return accountNumber;
+    }
+
+    public void setAccountNumber(String accountNumber) {
+        this.accountNumber = accountNumber;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    @Override
+    public long getId() {
+        return id;
+    }
+
+    @Override
+    public String getPayerName() {
+        return payerName;
+    }
+
+    @Override
+    public String getShortDescription() {
+        String shortDescription = "";
+        shortDescription = "Check " + payerName + " ****" + getAccountNumber().substring(getAccountNumber().length()-4);
+        return shortDescription;
+    }
+
+    @Override
+    public int compareTo(Payment o) {
+        return this.getShortDescription().compareTo(o.getShortDescription());
+    }
+}

src/main/java/com/zipcoder/payment/CreditCard.java

@@ -0,0 +1,64 @@
+package com.zipcoder.payment;
+
+public class CreditCard implements Payment{
+    private static Long highestId = 0L;
+    private Long id;
+    private String payerName;
+    private String number;
+    private int expiredMonth;
+    private int expiredYear;
+
+    public CreditCard(String payerName, int expiredMonth, int expiredYear, String number) {
+        this.id = highestId+1;
+        this.payerName = payerName;
+        this.number = number;
+        this.expiredMonth = expiredMonth;
+        this.expiredYear = expiredYear;
+    }
+
+    public String getNumber() { return number; }
+
+    public void setNumber(String number) { this.number = number; }
+
+    public void setPayerName(String payerName) {
+        this.payerName = payerName;
+    }
+
+    public int getExpiredMonth() {
+        return expiredMonth;
+    }
+
+    public void setExpiredMonth(int expiredMonth) {
+        this.expiredMonth = expiredMonth;
+    }
+
+    public int getExpiredYear() {
+        return expiredYear;
+    }
+
+    public void setExpiredYear(int expiredYear) {
+        this.expiredYear = expiredYear;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    @Override
+    public long getId() { return id; }
+
+    @Override
+    public String getPayerName() { return payerName; }
+
+    @Override
+    public String getShortDescription() {
+        String shortDescription = "";
+        shortDescription = "CC " + payerName + " " + getNumber().substring(getNumber().length()-4) + " " + getExpiredMonth() + "/" + getExpiredYear();
+        return shortDescription;
+    }
+
+    @Override
+    public int compareTo(Payment o) {
+        return this.getShortDescription().compareTo(o.getShortDescription());
+    }
+}

src/main/java/com/zipcoder/payment/PayPal.java

@@ -0,0 +1,50 @@
+package com.zipcoder.payment;
+
+public class PayPal implements Payment {
+    private static Long highestPayPalId = 0L;
+    private Long id;
+    private String payerName;
+    private String email;
+
+    public PayPal(String payerName, String email){
+        this.id = highestPayPalId+1;
+        this.payerName = payerName;
+        this.email = email;
+    }
+    public void setId(Long id){
+        this.id = id;
+    }
+
+    public void setPayerName(String payerName){
+        this.payerName = payerName;
+    }
+
+    public void setEmail(String email){
+        this.email = email;
+    }
+
+    public String getEmail(){
+        return email;
+    }
+
+    @Override
+    public long getId() {
+        return id;
+    }
+
+    @Override
+    public String getPayerName() {
+        return payerName;
+    }
+
+    @Override
+    public String getShortDescription() {
+        String shortDescription = "Paypal " + payerName + " " + email;
+        return shortDescription;
+    }
+
+    @Override
+    public int compareTo(Payment o) {
+        return this.getShortDescription().compareTo(o.getShortDescription());
+    }
+}

src/main/java/com/zipcoder/payment/Payment.java

@@ -0,0 +1,9 @@
+package com.zipcoder.payment;
+
+public interface Payment extends Comparable<Payment> {
+    public long getId();
+
+    public String getPayerName();
+
+    public String getShortDescription();
+}

src/main/java/com/zipcoder/payment/PaymentPresenter.java

@@ -1,6 +1,33 @@
 package com.zipcoder.payment;
 
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
 public class PaymentPresenter {
+PaymentSortByPayer psp = new PaymentSortByPayer();
+    public String toString(Payment[] payments){
+        List<Payment> list = Arrays.asList(payments);
+        Collections.sort(list);
+        StringBuilder sb = new StringBuilder();
+        list.forEach(e -> sb.append(e.getShortDescription() + "\n"));
+        return sb.toString();
+    }
 
+    public String toStringByPayerName(Payment[] payments){
+        List<Payment> list = Arrays.asList(payments);
+        list.sort(psp);
+        StringBuilder sb = new StringBuilder();
+        list.forEach(e -> sb.append(e.getShortDescription() + "\n"));
+        return sb.toString();
+    }
 
+    public String toStringById(Payment[] payments){
+        List<Payment> list = Arrays.asList(payments);
+        list.sort(Comparator.comparingLong(e -> e.getId()));
+        StringBuilder sb = new StringBuilder();
+        list.forEach(e -> sb.append(e.getShortDescription() + "\n"));
+        return  sb.toString();
+    }
 }

src/main/java/com/zipcoder/payment/PaymentSortByPayer.java

@@ -0,0 +1,11 @@
+package com.zipcoder.payment;
+
+import java.util.Comparator;
+
+public class PaymentSortByPayer implements Comparator<Payment> {
+//why instantiate this class in Payment Presenter when I can use lambda or a comparator in PaymentPresenter?
+    @Override
+    public int compare(Payment o1, Payment o2) {
+        return o1.getPayerName().compareTo(o2.getPayerName());
+    }
+}

src/test/java/com/zipcoder/payment/CheckTest.java

@@ -0,0 +1,78 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CheckTest {
+    Check c = new Check("Moses","1111111111", "2222222222");
+
+    @Test
+    public void testGetId(){
+        Long actual = c.getId();
+        Long expected = 1L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetId(){
+        c.setId(2);
+        Long actual = c.getId();
+        Long expected = 2L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetPayerName(){
+        String actual = c.getPayerName();
+        String expected = "Moses";
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void testSetPayerName(){
+        c.setPayerName("Abraham");
+        String actual = c.getPayerName();
+        String expected = "Abraham";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetAccountNumber(){
+        c.setAccountNumber("3333333333");
+        String actual = c.getAccountNumber();
+        String expected = "3333333333";
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void testGetAccountNumber(){
+        String actual = c.getAccountNumber();
+        String expected = "1111111111";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetRoutingNumber(){
+        c.setRoutingNumber("4444444444");
+        String actual = c.getRoutingNumber();
+        String expected = "4444444444";
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void testGetRoutingNumber(){
+        String actual = c.getRoutingNumber();
+        String expected = "2222222222";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetShortDescription(){
+        String actual = c.getShortDescription();
+        String expected = "Check Moses ****1111";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testCompareTo(){
+        Integer actual = c.compareTo(new CreditCard("Moses", 4, -2018, "302-xxx-xxxx"));
+        Assert.assertTrue(actual > 0);
+    }
+}

src/test/java/com/zipcoder/payment/CreditCardTest.java

@@ -0,0 +1,95 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CreditCardTest {
+    CreditCard cc = new CreditCard("Moses", 4, -2018, "302-xxx-xxxx");
+
+    @Test
+    public void testGetId(){
+        Long actual = cc.getId();
+        Long expected = 1L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetId(){
+        cc.setId(2);
+        Long actual = cc.getId();
+        Long expected = 2L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetPayerName(){
+        String actual = cc.getPayerName();
+        String expected = "Moses";
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void testSetPayerName(){
+        cc.setPayerName("Abraham");
+        String actual = cc.getPayerName();
+        String expected = "Abraham";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetNumber(){
+        cc.setNumber("302-xxx-xxxx");
+        String actual = cc.getNumber();
+        String expected = "302-xxx-xxxx";
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void testGetNumber(){
+        cc.setNumber("302-xxx-xxxx");
+        String actual = cc.getNumber();
+        String expected = "302-xxx-xxxx";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetExpiredMonth(){
+        Integer actual = cc.getExpiredMonth();
+        Integer expected = 4;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetExpiredMonth(){
+        cc.setExpiredMonth(3);
+        Integer actual = cc.getExpiredMonth();
+        Integer expected = 3;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetExpiredYear(){
+        Integer actual = cc.getExpiredYear();
+        Integer expected = -2018;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetExpiredYear(){
+        cc.setExpiredYear(-3000);
+        Integer actual = cc.getExpiredYear();
+        Integer expected = -3000;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetShortDescription(){
+        String actual = cc.getShortDescription();
+        String expected = "CC Moses xxxx 4/-2018";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testCompareTo(){
+        Integer actual = cc.compareTo(new Check("Moses","1111111111", "2222222222"));
+        Assert.assertTrue(actual < 0);
+    }
+}

src/test/java/com/zipcoder/payment/PayPalTest.java

@@ -0,0 +1,66 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class PayPalTest {
+    PayPal p = new PayPal("Moses", "egyptianprince@gmail.com");
+
+    @Test
+    public void testGetId(){
+        Long actual = p.getId();
+        Long expected = 1L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetId(){
+        p.setId(2L);
+        Long actual = p.getId();
+        Long expected = 2L;
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetEmail(){
+        String actual = p.getEmail();
+        String expected = "egyptianprince@gmail.com";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetEmail(){
+        p.setEmail("letmypeoplego@gmail.com");
+        String actual = p.getEmail();
+        String expected = "letmypeoplego@gmail.com";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetPayerName(){
+        String actual = p.getPayerName();
+        String expected = "Moses";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testSetPayerName(){
+        p.setPayerName("Pharoah");
+        String actual = p.getPayerName();
+        String expected = "Pharoah";
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testGetShortDescription(){
+            String actual = p.getShortDescription();
+            String expected = "Paypal Moses egyptianprince@gmail.com";
+            Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testCompareTo(){
+        Integer actual = p.compareTo(new Check("Moses","1111111111", "2222222222"));
+        Assert.assertTrue(actual > 0);
+    }
+}

src/test/java/com/zipcoder/payment/PaymentPresenterTest.java

@@ -1,4 +1,68 @@
 package com.zipcoder.payment;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class PaymentPresenterTest {
+
+    @Test
+    public void testToStringNoPayment(){
+        Payment[] payments = new Payment[0];
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "";
+
+        String actual = presenter.toString(payments);
+
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testToStringMultiplePayments(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new PayPal("Tia Mowry", "tia@mowry.com");
+        Payment check = new Check("Tia Mowry", "11432543","134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Check Tia Mowry ****2543\nPaypal Tia Mowry tia@mowry.com\n";
+
+        String actual = presenter.toString(payments);
+        Assert.assertEquals(expected,actual);
+    }
+
+    @Test
+    public void testToStringByPayerName(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new PayPal("Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check("Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Paypal Tamara Mowry tamara@mowry.com\nCheck Tia Mowry ****2543\n";
+
+        String actual = presenter.toStringByPayerName(payments);
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testToStringById(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new PayPal("Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check("Tia Mowry", "11432543", "134344551");
+        ((PayPal) paypal).setId(3L);
+        ((Check) check).setId(1L);
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Check Tia Mowry ****2543\nPaypal Tamara Mowry tamara@mowry.com\n";
+
+        String actual = presenter.toStringById(payments);
+        Assert.assertEquals(expected, actual);
+    }
 }