Feat: Adds for lesson 17 method implementation/ new funtionality for various files

Author: nilejack

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/BankAtm.java

@@ -33,7 +33,7 @@ public void addAccount(CheckingAccount account) {
    * @param customerId The ID of the customer.
    * @return The unique set of accounts owned by the customer.
    */
-  public Set<CheckingAccount> findAccountsByCustomerId(UUID customerId) {
+  public Set<CheckingAccount> findAccountsByCustomerId(UUID customerId, UUID businessId) {
     return customerById.containsKey(customerId)
         ? customerById.get(customerId).getAccounts()
         : Set.of();

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/Customer.java

@@ -7,6 +7,10 @@
 /** Represents a customer of the bank. */
 public class Customer {
 
+  public static <T> boolean isBusiness(T t) {
+    throw new UnsupportedOperationException("Not supported yet.");
+  }
+
   private final UUID id;
   private final String name;
   private final Set<CheckingAccount> accounts = new HashSet<>();
@@ -58,6 +62,10 @@ public Set<CheckingAccount> getAccounts() {
     return accounts;
   }
 
+  public boolean isBusiness() {
+    return false;
+  }
+
   @Override
   public int hashCode() {
     return id.hashCode();

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/exceptions/AuditLog.java

@@ -0,0 +1 @@
+

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/exceptions/MoneyOrder.java

@@ -0,0 +1,3 @@
+package com.codedifferently.lesson17.bank.exceptions;
+
+public class MoneyOrder {}

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/exceptions/SavingsAccount.java

@@ -0,0 +1,58 @@
+package com.codedifferently.lesson17.bank.exceptions;
+
+import com.codedifferently.lesson17.bank.CheckingAccount;
+import com.codedifferently.lesson17.bank.Customer;
+import java.util.Set;
+
+public class SavingsAccount extends CheckingAccount {
+
+  // Constructor for SavingsAccount
+  public SavingsAccount(String accountNumber, Set<Customer> owners, double initialBalance) {
+    super(accountNumber, owners, initialBalance);
+  }
+
+  // Define the NullCheck class that blocks a check from being withdrawn
+  public class NullCheck {
+
+    private boolean isVoided;
+    private String checkNumber;
+    private double amount;
+    private String account;
+
+    public void blockCheckWithdrawal(
+        double amount, String account, String checkNumber, boolean isVoided) {
+      this.isVoided = isVoided;
+      this.checkNumber = checkNumber;
+      this.amount = amount;
+      this.account = account;
+
+      // Example logic for blocking check withdrawal
+      if (isVoided) {
+        // Simulate a system that logs or handles the voided check
+        System.out.println("Check " + checkNumber + " for account " + account + " is voided.");
+      } else {
+        // Process the withdrawal logic (not implemented here)
+        System.out.println("Withdrawal blocked for check " + checkNumber);
+      }
+
+      if (this.amount > 0) {}
+    }
+
+    // Getters for properties
+    public boolean getisVoided() {
+      return isVoided;
+    }
+
+    public String getCheckNumber() {
+      return checkNumber;
+    }
+
+    public double getAmount() {
+      return amount;
+    }
+
+    public String getAccount() {
+      return account;
+    }
+  }
+}

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/BankAtmTest.java

@@ -15,16 +15,20 @@ class BankAtmTest {
   private BankAtm classUnderTest;
   private CheckingAccount account1;
   private CheckingAccount account2;
+  private CheckingAccount account3;
   private Customer customer1;
   private Customer customer2;
+  private Customer customer3;
 
   @BeforeEach
   void setUp() {
     classUnderTest = new BankAtm();
     customer1 = new Customer(UUID.randomUUID(), "John Doe");
     customer2 = new Customer(UUID.randomUUID(), "Jane Smith");
+    customer3 = new Customer(UUID.randomUUID(), "Jane Smith's Business");
     account1 = new CheckingAccount("123456789", Set.of(customer1), 100.0);
     account2 = new CheckingAccount("987654321", Set.of(customer1, customer2), 200.0);
+    account3 = new CheckingAccount("123456777", Set.of(customer2), 40000);
     customer1.addAccount(account1);
     customer1.addAccount(account2);
     customer2.addAccount(account2);
@@ -43,14 +47,16 @@ void testAddAccount() {
     classUnderTest.addAccount(account3);
 
     // Assert
-    Set<CheckingAccount> accounts = classUnderTest.findAccountsByCustomerId(customer3.getId());
+    Set<CheckingAccount> accounts =
+        classUnderTest.findAccountsByCustomerId(customer3.getId(), null);
     assertThat(accounts).containsOnly(account3);
   }
 
   @Test
   void testFindAccountsByCustomerId() {
     // Act
-    Set<CheckingAccount> accounts = classUnderTest.findAccountsByCustomerId(customer1.getId());
+    Set<CheckingAccount> accounts =
+        classUnderTest.findAccountsByCustomerId(customer1.getId(), null);
 
     // Assert
     assertThat(accounts).containsOnly(account1, account2);

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/exceptions/SavingsAccountTest.java

@@ -0,0 +1 @@
+