Lucas Carlsson Holter

domain-model.md

@@ -0,0 +1,42 @@
+| Class          | Attribute                | Method                  | Scenario       | Output            |
+|----------------|--------------------------|-------------------------|----------------|-------------------|
+| Account        | List<Transaction> ledger | getLedger()             |                | List<Transaction> |
+|                | String id                | deposit(int arg)        |                | newBalance        |
+|                | float balance            | withdraw(int arg)       | arg <= balance | newBalance        |
+|                |                          |                         | arg > balance  |                   |
+|                |                          | getBalance()            |                | balance           |
+|                |                          | getTransactionHistory() |                | String history    | 
+| SavingAccount  |                          |                         |                |                   |
+| CurrentAccount |                          |                         |                |                   |
+|                |                          |                         |                |                   |
+| Transaction    | float deltaBalance       | getDeltaBalance()       |                | deltaBalance      |
+|                | LocalDateTime timeStamp  | getTimeStamp()          |                | timestamp         |
+Extension:
+
+| Class          | Attribute                | Method                        | Scenario       | Output             |
+|----------------|--------------------------|-------------------------------|----------------|--------------------|
+| Account        | List<Transaction> ledger | getLedger()                   |                | List<Transaction>  |
+|                | String id                | deposit(int arg)              |                | newBalance         |
+|                | float balance            | withdraw(int arg)             | arg <= balance | newBalance         |
+|                | float overdraft          |                               | arg > balance  |                    |
+|                |                          | getBalance()                  |                | balance            |
+|                |                          | getTransactionHistory()       |                | String history     |
+|                |                          | getBalanceFromLedger()        |                | float balance      |
+|                |                          |                               |                |                    |
+| SavingAccount  |                          |                               |                |                    |
+| CurrentAccount |                          |                               |                |                    |
+|                |                          |                               |                |                    |
+| Transaction    | float deltaBalance       | getDeltaBalance()             |                | deltaBalance       |
+|                | LocalDateTime timeStamp  | getTimeStamp()                |                | timestamp          |
+| Branch         | List<Account> accounts   | getAccounts()                 |                | List<Account> accs |
+|                | List<Request> request    | getRequests()                 |                | List<Request> reqs |
+|                |                          | acceptRequest(Request)        |                | void               |
+|                |                          | denyRequest(Request)          |                | void               |
+|                |                          | createRequest(Account, float) |                | void               |
+|                |                          | addAccount(Account)           |                | void               |
+| Request        | Account acc              |                               |                |                    |
+|                | float overdraft          |                               |                |                    |
+
+
+
+

src/main/java/com/booleanuk/core/Account.java

@@ -0,0 +1,99 @@
+package com.booleanuk.core;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Account {
+    List<Transaction> ledger;
+    String id;
+    float balance;
+
+    public Account(List<Transaction> ledger, String id, float balance){
+        this.ledger = ledger;
+        this. id = id;
+        this.balance = balance;
+    }
+
+
+    public String getTransactionHistory(){
+        List<Transaction> transactions = new ArrayList<>(ledger); //Clone list to not affect attribute
+
+
+
+        List<String> rows = new ArrayList<>();
+
+        float balance = 0;
+        for(Transaction tr : transactions){
+            balance += tr.getDeltaBalance();
+            StringBuilder sb = new StringBuilder();
+            String dateStr = tr.getTimeStamp().format(DateTimeFormatter.ofPattern("dd/MM/uuuu"));
+            sb.append(String.format("%-11s||", dateStr));
+            if(tr.getDeltaBalance()>0){
+                sb.append(String.format(" %-8.2f||", tr.getDeltaBalance()));
+                sb.append(String.format(" %-7s||" ,""));
+            } else {
+                sb.append(String.format(" %-8s||" ,""));
+                sb.append(String.format(" %-7.2f||", -tr.getDeltaBalance()));
+            }
+            sb.append(String.format(" %.2f", balance));
+            sb.append("\n");
+            rows.add(sb.toString());
+        }
+        rows.add("date       || credit  || debit  || balance\n");
+        String ret = rows.reversed().stream().reduce("", ( (acc,curr) -> acc+curr));
+        return ret;
+    }
+
+    public float deposit(float val){
+        this.setBalance(this.getBalance()+val);
+
+        this.addLedgerEntry(val);
+
+        return this.getBalance();
+    }
+
+    public float withdraw(float amount) throws InsufficientFundsException{
+        if(amount > this.getBalance()){
+            throw new InsufficientFundsException();
+        } else {
+            this.setBalance(this.getBalance()-amount);
+
+            this.addLedgerEntry(-amount);
+
+            return this.getBalance();
+        }
+
+    }
+
+    private void addLedgerEntry(float val){
+        Transaction transaction = new Transaction(val, LocalDate.now());
+        ledger.add(transaction);
+    }
+
+    public List<Transaction> getLedger() {
+        return ledger;
+    }
+
+    public void setLedger(List<Transaction> ledger) {
+        this.ledger = ledger;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public float getBalance() {
+        return balance;
+    }
+
+    public void setBalance(float balance) {
+        this.balance = balance;
+    }
+}

src/main/java/com/booleanuk/core/CurrentAccount.java

@@ -0,0 +1,9 @@
+package com.booleanuk.core;
+
+import java.util.List;
+
+public class CurrentAccount extends Account{
+    public CurrentAccount(List<Transaction> ledger, String id, float balance){
+        super(ledger, id, balance);
+    }
+}

src/main/java/com/booleanuk/core/InsufficientFundsException.java

@@ -0,0 +1,11 @@
+package com.booleanuk.core;
+
+public class InsufficientFundsException extends Exception{
+    public InsufficientFundsException(String message){
+        super(message);
+    }
+
+    public InsufficientFundsException(){
+        super();
+    }
+}

src/main/java/com/booleanuk/core/SavingsAccount.java

@@ -0,0 +1,9 @@
+package com.booleanuk.core;
+
+import java.util.List;
+
+public class SavingsAccount extends Account{
+    public SavingsAccount(List<Transaction> ledger, String id, float balance){
+        super(ledger, id, balance);
+    }
+}

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

@@ -0,0 +1,30 @@
+package com.booleanuk.core;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+public class Transaction {
+    private float deltaBalance;
+    private LocalDate timeStamp;
+
+    public Transaction(float deltaBalance ,LocalDate timeStamp){
+        this.deltaBalance = deltaBalance;
+        this.timeStamp = timeStamp;
+    }
+
+    public float getDeltaBalance() {
+        return deltaBalance;
+    }
+
+    public LocalDate getTimeStamp() {
+        return timeStamp;
+    }
+
+    public void setDeltaBalance(float deltaBalance) {
+        this.deltaBalance = deltaBalance;
+    }
+
+    public void setTimeStamp(LocalDate  timeStamp) {
+        this.timeStamp = timeStamp;
+    }
+}

src/main/java/com/booleanuk/extension/Account.java

@@ -0,0 +1,117 @@
+package com.booleanuk.extension;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Account {
+    List<Transaction> ledger;
+    String id;
+    float balance;
+    float overdraft;
+
+
+
+    public Account(List<Transaction> ledger, String id, float balance){
+        this.ledger = ledger;
+        this. id = id;
+        this.balance = balance;
+        this.overdraft = 0;
+    }
+
+    public float getBalanceFromLedger(){
+        float acc = 0;
+        for(Transaction curr : ledger){
+            acc += curr.getDeltaBalance();
+        }
+        return acc;
+    }
+
+    public String getTransactionHistory(){
+        List<Transaction> transactions = new ArrayList<>(ledger); //Clone list to not affect attribute
+
+
+
+        List<String> rows = new ArrayList<>();
+
+        float balance = 0;
+        for(Transaction tr : transactions){
+            balance += tr.getDeltaBalance();
+            StringBuilder sb = new StringBuilder();
+            String dateStr = tr.getTimeStamp().format(DateTimeFormatter.ofPattern("dd/MM/uuuu"));
+            sb.append(String.format("%-11s||", dateStr));
+            if(tr.getDeltaBalance()>0){
+                sb.append(String.format(" %-8.2f||", tr.getDeltaBalance()));
+                sb.append(String.format(" %-7s||" ,""));
+            } else {
+                sb.append(String.format(" %-8s||" ,""));
+                sb.append(String.format(" %-7.2f||", -tr.getDeltaBalance()));
+            }
+            sb.append(String.format(" %.2f", balance));
+            sb.append("\n");
+            rows.add(sb.toString());
+        }
+        rows.add("date       || credit  || debit  || balance\n");
+        String ret = rows.reversed().stream().reduce("", ( (acc,curr) -> acc+curr));
+        return ret;
+    }
+
+    public float deposit(float val){
+        this.setBalance(this.getBalance()+val);
+
+        this.addLedgerEntry(val);
+
+        return this.getBalance();
+    }
+
+    public float getOverdraft() {
+        return overdraft;
+    }
+
+    public void setOverdraft(float overdraft) {
+        this.overdraft = overdraft;
+    }
+
+    public float withdraw(float amount) throws InsufficientFundsException {
+        if(amount > this.getBalance()+overdraft){
+            throw new InsufficientFundsException();
+        } else {
+            this.setBalance(this.getBalance()-amount);
+
+            this.addLedgerEntry(-amount);
+
+            return this.getBalance();
+        }
+
+    }
+
+    private void addLedgerEntry(float val){
+        Transaction transaction = new Transaction(val, LocalDate.now());
+        ledger.add(transaction);
+    }
+
+    public List<Transaction> getLedger() {
+        return ledger;
+    }
+
+    public void setLedger(List<Transaction> ledger) {
+        this.ledger = ledger;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public float getBalance() {
+        return balance;
+    }
+
+    public void setBalance(float balance) {
+        this.balance = balance;
+    }
+}

src/main/java/com/booleanuk/extension/Branch.java

@@ -0,0 +1,41 @@
+package com.booleanuk.extension;
+
+import java.util.List;
+
+public class Branch {
+    private List<Account> accounts;
+    private List<Request> requests;
+
+    public Branch(List<Account> accounts, List<Request> requests){
+
+        this.accounts = accounts;
+        this.requests = requests;
+    }
+
+    public void createRequest(Account acc, float overdraft){
+        Request req = new Request(acc, overdraft);
+        this.getRequests().add(req);
+    }
+
+    public void acceptRequest(Request req){
+        req.getAcc().setOverdraft(req.getOverdraft());
+        req.getAcc().getOverdraft();
+        requests.remove(req);
+    }
+
+    public void denyRequest(Request req){
+        requests.remove(req);
+    }
+
+    public List<Account> getAccounts() {
+        return accounts;
+    }
+
+    public void addAccount(Account acc){
+        this.accounts.add(acc);
+    }
+
+    public List<Request> getRequests() {
+        return requests;
+    }
+}

src/main/java/com/booleanuk/extension/CurrentAccount.java

@@ -0,0 +1,9 @@
+package com.booleanuk.extension;
+
+import java.util.List;
+
+public class CurrentAccount extends Account {
+    public CurrentAccount(List<Transaction> ledger, String id, float balance){
+        super(ledger, id, balance);
+    }
+}

src/main/java/com/booleanuk/extension/InsufficientFundsException.java

@@ -0,0 +1,11 @@
+package com.booleanuk.extension;
+
+public class InsufficientFundsException extends Exception{
+    public InsufficientFundsException(String message){
+        super(message);
+    }
+
+    public InsufficientFundsException(){
+        super();
+    }
+}