almost 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 +1,64 @@
+package com.zipcoder.payment;
+
+public class Check implements Payment{
+
+    private long id;
+    private String payerName;
+    private String routingNumber;
+    private String accountNumber;
+
+    public Check() {
+    }
+
+    public Check(long id, String name, String routingNumber, String accountNumber) {
+        this.id = id;
+        this.payerName = name;
+        this.routingNumber = routingNumber;
+        this.accountNumber = accountNumber;
+    }
+
+    @Override
+    public long getId() {
+        return this.id;
+    }
+
+    @Override
+    public int compareTo(Payment payment) {
+        return this.getShortDescription().compareTo(payment.getShortDescription());
+    }
+
+    @Override
+    public String getPayerName() {
+        return this.payerName;
+    }
+
+    @Override
+    public String getShortDescription() {
+        return String.format("Check %s ***%s", payerName, accountNumber.substring(accountNumber.length()-4, accountNumber.length()));
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public void setPayerName(String name) {
+        this.payerName = name;
+    }
+
+    public void setRoutingNumber(String number) {
+        this.routingNumber = number;
+    }
+
+    public String getRoutingNumber() {
+        return this.routingNumber;
+    }
+
+    public void setAccountNumber(String number) {
+        this.accountNumber = number;
+    }
+
+    public String getAccountNumber() {
+        return this.accountNumber;
+    }
+
+}

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

@@ -0,0 +1,70 @@
+package com.zipcoder.payment;
+
+public class CreditCard implements Payment{
+    private long id;
+    private String payerName;
+    private String number;
+    private int expiredMonth;
+    private int expiredYear;
+
+    public CreditCard(){
+
+    }
+
+    public CreditCard(long id, String payerName) {
+        this.id = id;
+        this.payerName = payerName;
+    }
+
+    @Override
+    public String getPayerName() {
+        return this.payerName;
+    }
+
+    @Override
+    public String getShortDescription() {
+        return String.format("CC %s %s %d/%d", payerName, number.substring(number.length() - 4, number.length()), expiredMonth, expiredYear);
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    @Override
+    public long getId() {
+        return this.id;
+    }
+
+    public void setPayerName(String name) {
+        this.payerName = name;
+    }
+
+    public void setNumber(String number) {
+        this.number = number;
+    }
+
+    public String getNumber() {
+        return this.number;
+    }
+
+    public void setExpiredMonth(int month) {
+        this.expiredMonth = month;
+    }
+
+    public int getExpiredMonth() {
+        return this.expiredMonth;
+    }
+
+    public void setExpiredYear(int year) {
+        this.expiredYear = year;
+    }
+
+    public int getExpiredYear() {
+        return this.expiredYear;
+    }
+
+    @Override
+    public int compareTo(Payment payment) {
+        return this.getShortDescription().compareTo(payment.getShortDescription());
+    }
+}

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

@@ -0,0 +1,55 @@
+package com.zipcoder.payment;
+
+public class PayPal implements Payment{
+
+    private long id = 0;
+    private String payerName;
+    private String email;
+
+    public PayPal() {
+        this.id = this.getId() + 1;
+    }
+
+    public PayPal(long id, String name, String email) {
+        this.id = id;
+        this.payerName = name;
+        this.email = email;
+    }
+
+    @Override
+    public long getId() {
+        return this.id;
+    }
+
+    @Override
+    public String getPayerName() {
+        return this.payerName;
+    }
+
+    @Override
+    public int compareTo(Payment payment) {
+        return this.getShortDescription().compareTo(payment.getShortDescription());
+    }
+
+    @Override
+    public String getShortDescription() {
+        return String.format("PayPay %s %s", this.payerName,this.email);
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public void setPayerName(String name) {
+        this.payerName = name;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getEmail() {
+        return this.email;
+    }
+
+}

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

@@ -0,0 +1,7 @@
+package com.zipcoder.payment;
+
+public interface Payment extends Comparable<Payment>{
+    long getId();
+    String getPayerName();
+    String getShortDescription();
+}

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

@@ -1,6 +1,39 @@
 package com.zipcoder.payment;
 
+import java.util.Arrays;
+import java.util.Comparator;
+
 public class PaymentPresenter {
 
+    Comparator<Payment> comparator = (Payment p1, Payment p2)  -> {
+        Long p1ID = p1.getId();
+        Long p2ID = p2.getId();
+        return p1ID.compareTo(p2ID);
+    };
+
+    public String stringGenerator(Payment[] payments){
+        StringBuilder paymentSB = new StringBuilder();
+        for (Payment payment : payments){
+            paymentSB.append(payment.getShortDescription() + "\n");
+        }
+        return paymentSB.toString();
+
+    }
+
+    public String toString(Payment[] payments) {
+       // Arrays.sort(payments);
+        return stringGenerator(payments);
+    }
+
+    public String toStringById(Payment[] payments) {
+        Arrays.sort(payments, comparator);
+        return stringGenerator(payments);
+    }
+
+    public String toStringByPayerName(Payment[] payments) {
+        PaymentSortByPayer parser = new PaymentSortByPayer();
+        Arrays.sort(payments, parser);
+        return stringGenerator(payments);
+    }
 
 }

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> {
+
+    @Override
+    public int compare(Payment payment1, Payment payment2) {
+        return payment1.getShortDescription().compareTo(payment2.getShortDescription());
+    }
+}

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

@@ -0,0 +1,34 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CheckTest  {
+    @Test
+    public void testSetGetId(){
+        Check check = new Check();
+        check.setId(2);
+        Assert.assertEquals(2, check.getId());
+    }
+
+    @Test
+    public void testSetGetName(){
+        Check check = new Check();
+        check.setPayerName("thulasi");
+        Assert.assertEquals("thulasi", check.getPayerName());
+    }
+
+    @Test
+    public void testSetGetRoutingNumber(){
+        Check check = new Check();
+        check.setRoutingNumber("3545");
+        Assert.assertEquals("3545", check.getRoutingNumber());
+    }
+
+    @Test
+    public void testSetGetAccountNumber(){
+        Check check = new Check();
+        check.setAccountNumber("4535");
+        Assert.assertEquals("4535", check.getAccountNumber());
+    }
+}

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

@@ -0,0 +1,43 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CreditCardTest {
+
+    @Test
+    public void testSetGetId(){
+
+        CreditCard card = new CreditCard();
+        card.setId(34);
+        Assert.assertEquals(34, card.getId());
+    }
+
+    @Test
+    public void testSetGetName(){
+        CreditCard card = new CreditCard();
+        card.setPayerName("thulasi");
+        Assert.assertEquals("thulasi", card.getPayerName());
+    }
+
+    @Test
+    public void testSetGetNumber(){
+        CreditCard card = new CreditCard();
+        card.setNumber("3555363");
+        Assert.assertEquals(555, card.getNumber());
+    }
+
+    @Test
+    public void testSetGetExpiredMonth(){
+        CreditCard card = new CreditCard();
+        card.setExpiredMonth(3);
+        Assert.assertEquals(3, card.getExpiredMonth());
+    }
+
+    @Test
+    public void testSetGetExpiredYear(){
+        CreditCard card = new CreditCard();
+        card.setExpiredYear(2003);
+        Assert.assertEquals(2003, card.getExpiredYear());
+    }
+}

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

@@ -0,0 +1,29 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class PayPalTest {
+
+    @Test
+    public void testSetGetId(){
+        PayPal payPal = new PayPal();
+        payPal.setId(2);
+        Assert.assertEquals(2, payPal.getId());
+    }
+
+    @Test
+    public void testSetGetName(){
+        PayPal payPal = new PayPal();
+        payPal.setPayerName("thulasi");
+        Assert.assertEquals("thulasi", payPal.getPayerName());
+    }
+
+    @Test
+    public void testSetGetEmail(){
+        PayPal payPal = new PayPal();
+        payPal.setEmail("3545");
+        Assert.assertEquals("3545", payPal.getEmail());
+    }
+
+}

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 testNoPayment(){
+        Payment[] payments = new Payment[0];
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "";
+
+        String actual = presenter.toString(payments);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testMultiplePayments(){
+
+        Payment[] payments = new Payment[2];
+        Payment paypal = new PayPal(4L, "Tia Mowry", "tia@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Check Tia Mowry ***4551\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(4L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(81L, "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 ***4551\n";
+
+        String actual = presenter.toStringByPayerName(payments);
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testToStringById(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new PayPal(4L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Check Tia Mowry ***4551\nPaypal Tamara Mowry tamara@mowry.com\n";
+
+        String actual = presenter.toStringById(payments);
+        Assert.assertEquals(expected, actual);
+    }
+
 }

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

@@ -0,0 +1,34 @@
+package com.zipcoder.payment;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class PaymentSortByPayerTest {
+
+    @Test
+    public void testCompare1() {
+        PaymentSortByPayer sorter = new PaymentSortByPayer();
+        Payment p1 = new Check(165, "ajay", "3242", "5223");
+        Payment p2 = new PayPal(56, "reshma", "hjhjghj@fdf.com");
+        int expected = -1;
+        Assert.assertEquals(expected, sorter.compare(p1, p2));
+    }
+
+    @Test
+    public void testCompare2() {
+        PaymentSortByPayer sorter = new PaymentSortByPayer();
+        Payment p1 = new Check(165, "ramya", "3242", "5223");
+        Payment p2 = new PayPal(56, "ramya", "hjhjghj@fdf.com");
+        int expected = 0;
+        Assert.assertEquals(expected, sorter.compare(p1, p2));
+    }
+
+    @Test
+    public void testCompare3() {
+        PaymentSortByPayer sorter = new PaymentSortByPayer();
+        Payment p1 = new Check(165, "wright", "3242", "5223");
+        Payment p2 = new PayPal(56, "reshma", "hjhjghj@fdf.com");
+        int expected = 1;
+        Assert.assertEquals(expected, sorter.compare(p1, p2));
+    }
+}