Merge pull request nus-cs2113-AY2223S2#94 from tyuyang/branch-debugging

Branch debugging

src/main/java/seedu/bankwithus/exceptions/NoTransactionsFoundException.java

@@ -0,0 +1,5 @@
+package seedu.bankwithus.exceptions;
+
+public class NoTransactionsFoundException extends Exception {
+
+}

src/main/java/seedu/bankwithus/parser/Parser.java

@@ -13,6 +13,7 @@
 import seedu.bankwithus.exceptions.InsufficientBalanceException;
 import seedu.bankwithus.exceptions.NegativeAmountException;
 import seedu.bankwithus.exceptions.NoAccountException;
+import seedu.bankwithus.exceptions.NoTransactionsFoundException;
 import seedu.bankwithus.exceptions.SaveFileIsEmptyException;
 
 import java.io.IOException;
@@ -159,7 +160,12 @@ public void parseUserInput(String input) throws CommandNotFoundException, IOExce
             accountList.deleteAccount(args);
             break;
         case "view-transactions-all":
-            transactionList.printAllTransactions();
+            try {
+                transactionList.printAllTransactions();
+                ui.printLine();
+            } catch (NoTransactionsFoundException e) {
+                ui.noTransactionsFoundError();
+            }
             break;
         default:
             throw new CommandNotFoundException();

src/main/java/seedu/bankwithus/ui/Ui.java

@@ -269,4 +269,9 @@ public void showExceedsWithdrawalLimitError() {
         System.out.println("Apologies! Your transaction did not go through as it will result");
         System.out.println("in you exceeding your withdrawal limit!");
     }
+
+    public void noTransactionsFoundError() {
+        System.out.println("No transactions found!");
+        printLine();
+    }
 }

src/main/java/seedu/bankwithus/user/TransactionList.java

@@ -1,6 +1,7 @@
 package seedu.bankwithus.user;
 
 import seedu.bankwithus.exceptions.CorruptedSaveFileException;
+import seedu.bankwithus.exceptions.NoTransactionsFoundException;
 import seedu.bankwithus.exceptions.SaveFileIsEmptyException;
 import seedu.bankwithus.parser.Parser;
 import seedu.bankwithus.ui.Ui;
@@ -55,7 +56,10 @@ public int getSize() {
         return size;
     }
 
-    public void printAllTransactions() {
+    public void printAllTransactions() throws NoTransactionsFoundException {
+        if (size == 0) {
+            throw new NoTransactionsFoundException();
+        }
         for (int i = 0; i < size; i++) {
             System.out.println(transactions.get(i).toString());
         }

text-ui-test/EXPECTED.TXT

@@ -116,5 +116,6 @@ Balance: $1100.21
 ----------------------------
 Account Name: hihi Transaction Type: deposit Amount: 100.21 Date: 28/03/2023
 Account Name: sherlock Transaction Type: withdraw Amount: 100 Date: 28/03/2023
+----------------------------
 Not a valid command!
 Goodbye! Hope to see you again! :)