David Stern

build.gradle

@@ -18,6 +18,7 @@ dependencies {
     }
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
     testRuntimeOnly("org.junit.vintage:junit-vintage-engine")
+    implementation 'com.twilio.sdk:twilio:8.31.1'
 }
 
 test {

src/main/java/com/booleanuk/core/dto/CreateAccountRequestDto.java

@@ -0,0 +1,6 @@
+package com.booleanuk.core.dto;
+
+import com.booleanuk.core.enums.AccountType;
+
+public record CreateAccountRequestDto(int userId, AccountType accountType) {
+}

src/main/java/com/booleanuk/core/dto/CreateAccountResponseDto.java

@@ -0,0 +1,4 @@
+package com.booleanuk.core.dto;
+
+public record CreateAccountResponseDto(boolean success, String message, int accountId, int userId, String accountType) {
+}

src/main/java/com/booleanuk/core/dto/ReviewOverdraftResponseDto.java

@@ -0,0 +1,6 @@
+package com.booleanuk.core.dto;
+
+import java.math.BigDecimal;
+
+public record ReviewOverdraftResponseDto(boolean approved, String message, int accountId, BigDecimal amount) {
+}

src/main/java/com/booleanuk/core/dto/TransactionRequestDto.java

@@ -0,0 +1,10 @@
+package com.booleanuk.core.dto;
+
+import com.booleanuk.core.enums.AccountType;
+import com.booleanuk.core.enums.TransactionType;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+public record TransactionRequestDto(int accountId, BigDecimal amount, TransactionType transactionType, LocalDate date) {
+}

src/main/java/com/booleanuk/core/dto/TransactionResponseDto.java

@@ -0,0 +1,7 @@
+package com.booleanuk.core.dto;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+public record TransactionResponseDto(boolean success, String message, int accountId, String accountType, String transactionType, BigDecimal amount, LocalDate date, boolean overdraftRequest) {
+}

src/main/java/com/booleanuk/core/enums/AccountType.java

@@ -0,0 +1,6 @@
+package com.booleanuk.core.enums;
+
+public enum AccountType {
+    CURRENT,
+    SAVINGS
+}

src/main/java/com/booleanuk/core/enums/TransactionType.java

@@ -0,0 +1,7 @@
+package com.booleanuk.core.enums;
+
+public enum TransactionType {
+    DEPOSIT,
+    WITHDRAW,
+    OVERDRAFT,
+}

src/main/java/com/booleanuk/core/model/BankAccount.java

@@ -0,0 +1,65 @@
+package com.booleanuk.core.model;
+
+import com.booleanuk.core.enums.AccountType;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BankAccount {
+    private int id;
+    private AccountType accountType;
+    private BigDecimal balance; // not used since started working on extension
+    private int userId;
+    List<Transaction> transactions;
+
+    // Constructors
+    public BankAccount(int id, AccountType accountType, BigDecimal balance, int userId) {
+        this.id = id;
+        this.accountType = accountType;
+        this.balance = balance;
+        this.userId = userId;
+        transactions = new ArrayList<>();
+    }
+
+    // Getters & setters
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public AccountType getAccountType() {
+        return accountType;
+    }
+
+    public void setAccountType(AccountType accountType) {
+        this.accountType = accountType;
+    }
+
+    public BigDecimal getBalance() {
+        return balance;
+    }
+
+    public void setBalance(BigDecimal balance) {
+        this.balance = balance;
+    }
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public void setUserId(int userId) {
+        this.userId = userId;
+    }
+
+    public List<Transaction> getTransactions() {
+        return transactions;
+    }
+
+    public void setTransactions(List<Transaction> transactions) {
+        this.transactions = transactions;
+    }
+}

src/main/java/com/booleanuk/core/model/Customer.java

@@ -0,0 +1,19 @@
+package com.booleanuk.core.model;
+
+public class Customer {
+    private int id;
+
+    // Constructors
+    public Customer(int id) {
+        this.id = id;
+    }
+
+    // Getters & setters
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+}

src/main/java/com/booleanuk/core/model/OverdraftRequest.java

@@ -0,0 +1,39 @@
+package com.booleanuk.core.model;
+
+import java.math.BigDecimal;
+
+public class OverdraftRequest {
+    private int overdraftId;
+    private int accountId;
+    private BigDecimal amount;
+
+    public OverdraftRequest(int overdraftId, int accountId, BigDecimal amount) {
+        this.overdraftId = overdraftId;
+        this.accountId = accountId;
+        this.amount = amount;
+    }
+
+    public int getOverdraftId() {
+        return overdraftId;
+    }
+
+    public void setOverdraftId(int overdraftId) {
+        this.overdraftId = overdraftId;
+    }
+
+    public int getAccountId() {
+        return accountId;
+    }
+
+    public void setAccountId(int accountId) {
+        this.accountId = accountId;
+    }
+
+    public BigDecimal getAmount() {
+        return amount;
+    }
+
+    public void setAmount(BigDecimal amount) {
+        this.amount = amount;
+    }
+}

src/main/java/com/booleanuk/core/model/Transaction.java

@@ -0,0 +1,54 @@
+package com.booleanuk.core.model;
+
+import com.booleanuk.core.enums.TransactionType;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+public class Transaction {
+    private int id;
+    private BigDecimal amount;
+    private TransactionType transactionType;
+    private LocalDate date;
+
+    // Constructors
+    public Transaction(int id, BigDecimal amount, TransactionType transactionType, LocalDate date) {
+        this.id = id;
+        this.amount = amount;
+        this.transactionType = transactionType;
+        this.date = date;
+    }
+
+    // Getters and setters
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public TransactionType getTransactionType() {
+        return transactionType;
+    }
+
+    public void setTransactionType(TransactionType transactionType) {
+        this.transactionType = transactionType;
+    }
+
+    public BigDecimal getAmount() {
+        return amount;
+    }
+
+    public void setAmount(BigDecimal amount) {
+        this.amount = amount;
+    }
+
+    public LocalDate getDate() {
+        return date;
+    }
+
+    public void setDateTime(LocalDate date) {
+        this.date = date;
+    }
+}

src/main/java/com/booleanuk/core/repository/BankAccountRepository.java

@@ -0,0 +1,55 @@
+package com.booleanuk.core.repository;
+
+import com.booleanuk.core.model.BankAccount;
+import com.booleanuk.core.model.OverdraftRequest;
+import com.booleanuk.core.model.Transaction;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BankAccountRepository implements IBankAccountRepository {
+    List<BankAccount> accounts;
+    List<OverdraftRequest> overdraftRequests;
+
+    // Constructors
+    public BankAccountRepository() {
+        this.accounts = new ArrayList<>();
+        this.overdraftRequests = new ArrayList<>();
+    }
+
+    // Methods
+    @Override
+    public void createAccount(BankAccount bankAccount) {
+
+    }
+
+    @Override
+    public void saveTransaction(int accountId, Transaction transaction) {
+
+    }
+
+    @Override
+    public BankAccount findBankAccountById(int accountId) {
+        return null;
+    }
+
+    @Override
+    public List<BankAccount> getAccounts() {
+        return accounts;
+    }
+
+    @Override
+    public List<OverdraftRequest> getOverdraftRequests() {
+        return List.of();
+    }
+
+    @Override
+    public OverdraftRequest getOverdraftRequestById(int overdraftId) {
+        return null;
+    }
+
+    @Override
+    public void addOverdraftRequest(OverdraftRequest overdraftRequest) {
+
+    }
+}

src/main/java/com/booleanuk/core/repository/BankAccountRepositoryStub.java

@@ -0,0 +1,74 @@
+package com.booleanuk.core.repository;
+
+import com.booleanuk.core.model.BankAccount;
+import com.booleanuk.core.model.OverdraftRequest;
+import com.booleanuk.core.model.Transaction;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BankAccountRepositoryStub implements IBankAccountRepository {
+    List<BankAccount> accounts;
+    List<OverdraftRequest> overdraftRequests; // Extensions
+
+    // Constructors
+    public BankAccountRepositoryStub() {
+        this.accounts = new ArrayList<>();
+        this.overdraftRequests = new ArrayList<>(); // Extensions
+    }
+
+    // Methods
+    @Override
+    public void createAccount(BankAccount bankAccount) {
+        accounts.add(bankAccount);
+    }
+
+    @Override
+    public void saveTransaction(int accountId, Transaction transaction) {
+        for (BankAccount account : accounts) {
+            if (account.getId() == accountId) {
+                account.getTransactions().add(transaction);
+                return;
+            }
+        }
+        throw new IllegalArgumentException("Account with ID " + accountId + " not found.");
+    }
+
+    @Override
+    public BankAccount findBankAccountById(int accountId) {
+        for (BankAccount account : accounts) {
+            if (account.getId() == accountId) {
+                return account;
+            }
+        }
+        throw new IllegalArgumentException("Account with ID " + accountId + " not found.");
+    }
+
+    @Override
+    public List<BankAccount> getAccounts() {
+        return accounts;
+    }
+
+    // Extensions
+    @Override
+    public List<OverdraftRequest> getOverdraftRequests() {
+        return overdraftRequests;
+    }
+
+    @Override
+    public OverdraftRequest getOverdraftRequestById(int overdraftId) {
+        for (OverdraftRequest request : overdraftRequests) {
+            if (request.getOverdraftId() == overdraftId) {
+                return request;
+            }
+        }
+        throw new IllegalArgumentException("Overdraft request with ID " + overdraftId + " not found.");
+    }
+
+    @Override
+    public void addOverdraftRequest(OverdraftRequest overdraftRequest) {
+        overdraftRequests.add(overdraftRequest);
+    }
+
+
+}

src/main/java/com/booleanuk/core/repository/IBankAccountRepository.java

@@ -0,0 +1,17 @@
+package com.booleanuk.core.repository;
+
+import com.booleanuk.core.model.BankAccount;
+import com.booleanuk.core.model.OverdraftRequest;
+import com.booleanuk.core.model.Transaction;
+
+import java.util.List;
+
+public interface IBankAccountRepository {
+    void createAccount(BankAccount bankAccount);
+    void saveTransaction(int accountId, Transaction transaction);
+    BankAccount findBankAccountById(int accountId);
+    List<BankAccount> getAccounts();
+    List<OverdraftRequest> getOverdraftRequests();
+    OverdraftRequest getOverdraftRequestById(int overdraftId);
+    void addOverdraftRequest(OverdraftRequest overdraftRequest);
+}