Merge pull request #28 from vvhuiling/view-feature

Add the ability to view

src/main/java/seedu/nuscents/commands/ListOfCommands.java

@@ -11,5 +11,6 @@ public class ListOfCommands {
     public static final String COMMAND_EVENT = "event";
     public static final String COMMAND_DELETE = "delete";
     public static final String COMMAND_FIND = "find";
+    public static final String COMMAND_VIEW = "view";
     public static final String COMMAND_HELP = "help";
 }

src/main/java/seedu/nuscents/commands/ViewCommand.java

@@ -0,0 +1,15 @@
+package seedu.nuscents.commands;
+
+import seedu.nuscents.data.TransactionList;
+
+public class ViewCommand extends Command {
+    private int taskIndex;
+
+    public ViewCommand (int taskIndex) {
+        this.taskIndex = taskIndex;
+    }
+    @Override
+    public void execute(TransactionList tasks) {
+        tasks.viewTransaction(taskIndex);
+    }
+}

src/main/java/seedu/nuscents/data/TransactionList.java

@@ -53,5 +53,10 @@ public void findTask(String keyword) {
         }
         System.out.println(LINE);
     }
+
+    public void viewTransaction(int transactionIndex) {
+        Transaction transaction = transactions.get(transactionIndex-1);
+        Ui.showTransactionViewMessage(transaction);
+    }
 }
 

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

@@ -8,6 +8,7 @@
 import seedu.nuscents.commands.FindCommand;
 import seedu.nuscents.commands.HelpCommand;
 import seedu.nuscents.commands.InvalidCommand;
+import seedu.nuscents.commands.ViewCommand;
 
 
 import seedu.nuscents.data.Transaction;
@@ -26,6 +27,7 @@
 import static seedu.nuscents.commands.ListOfCommands.COMMAND_DELETE;
 import static seedu.nuscents.commands.ListOfCommands.COMMAND_FIND;
 import static seedu.nuscents.commands.ListOfCommands.COMMAND_HELP;
+import static seedu.nuscents.commands.ListOfCommands.COMMAND_VIEW;
 import static seedu.nuscents.ui.Messages.MESSAGE_EMPTY_ALLOWANCE;
 import static seedu.nuscents.ui.Messages.MESSAGE_EMPTY_EXPENSE;
 import static seedu.nuscents.ui.Messages.MESSAGE_EMPTY_INDEX;
@@ -66,6 +68,8 @@ public static <TaskList> Command parseCommand(String text, TaskList tasks) throw
                 return new DeleteCommand(parseTaskIndex(arguments));
             case COMMAND_FIND:
                 return new FindCommand(parseFind(arguments));
+            case COMMAND_VIEW:
+                return new ViewCommand(parseTaskIndex(arguments));
             case COMMAND_HELP:
                 if (arguments != null) {
                     throw new NuscentsException("OOPS!!! The correct format is 'help' alone.");

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

@@ -109,6 +109,22 @@ public static void showReadDataError() {
         System.out.println(LINE);
     }
 
+    public static void showTransactionViewMessage(Transaction transaction) {
+        System.out.println(LINE);
+        System.out.println("Following are details of the transaction:");
+        if (transaction instanceof Allowance) {
+            System.out.println("TYPE: ALLOWANCE");
+        } else if (transaction instanceof Expense) {
+            System.out.println("TYPE: EXPENSE");
+        }
+        System.out.println("DATE: " + transaction.getFormattedDate());
+        System.out.println("AMOUNT: " + transaction.getAmount());
+        System.out.println("DESCRIPTION: " + transaction.getDescription());
+        System.out.println("NOTE: " + transaction.getAdditionalInfo());
+        System.out.println(LINE);
+    }
+
+
     public static void showHelpMenu() {
         System.out.println(LINE);
         System.out.println(Messages.HELP_MENU);