Add password for deletion

src/main/java/seedu/address/commons/core/Messages.java

@@ -9,5 +9,6 @@ public class Messages {
     public static final String MESSAGE_INVALID_COMMAND_FORMAT = "Invalid command format! \n%1$s";
     public static final String MESSAGE_INVALID_LOAN_DISPLAYED_INDEX = "The loan index provided is invalid";
     public static final String MESSAGE_LOANS_LISTED_OVERVIEW = "%1$d loans listed!";
+    public static final String MESSAGE_INVALID_PASSWORD = "The password provided is incorrect!";
 
 }

src/main/java/seedu/address/logic/commands/DeleteCommand.java

@@ -20,8 +20,8 @@ public class DeleteCommand extends Command {
 
     public static final String MESSAGE_USAGE = COMMAND_WORD
             + ": Deletes the loan identified by the index number used in the displayed loan list.\n"
-            + "Parameters: INDEX (must be a positive integer)\n"
-            + "Example: " + COMMAND_WORD + " 1";
+            + "Parameters: INDEX (must be a positive integer) and PASSWORD\n"
+            + "Example: " + COMMAND_WORD + " i/1 x/12345";
 
     public static final String MESSAGE_DELETE_LOAN_SUCCESS = "Deleted Loan: %1$s";
 

src/main/java/seedu/address/logic/parser/CliSyntax.java

@@ -7,6 +7,8 @@ public class CliSyntax {
 
     /* Prefix definitions */
     public static final Prefix PREFIX_NAME = new Prefix("n/");
+    public static final Prefix PREFIX_INDEX = new Prefix("i/");
+    public static final Prefix PREFIX_PASSWORD = new Prefix("x/");
     public static final Prefix PREFIX_PHONE = new Prefix("p/");
     public static final Prefix PREFIX_EMAIL = new Prefix("e/");
     public static final Prefix PREFIX_ADDRESS = new Prefix("a/");

src/main/java/seedu/address/logic/parser/DeleteCommandParser.java

@@ -1,29 +1,45 @@
 package seedu.address.logic.parser;
 
 import static seedu.address.commons.core.Messages.MESSAGE_INVALID_COMMAND_FORMAT;
+import static seedu.address.commons.core.Messages.MESSAGE_INVALID_PASSWORD;
+import static seedu.address.logic.parser.CliSyntax.PREFIX_INDEX;
+import static seedu.address.logic.parser.CliSyntax.PREFIX_PASSWORD;
+
+import java.util.stream.Stream;
 
-import seedu.address.commons.core.index.Index;
 import seedu.address.logic.commands.DeleteCommand;
 import seedu.address.logic.parser.exceptions.ParseException;
 
 /**
  * Parses input arguments and creates a new DeleteCommand object
  */
 public class DeleteCommandParser implements Parser<DeleteCommand> {
+    private static String PASSWORD = "a12345"; // Currently hard-coded. To add command that allows setting of password.
 
     /**
      * Parses the given {@code String} of arguments in the context of the DeleteCommand
      * and returns an DeleteCommand object for execution.
      * @throws ParseException if the user input does not conform the expected format
      */
     public DeleteCommand parse(String args) throws ParseException {
-        try {
-            Index index = ParserUtil.parseIndex(args);
-            return new DeleteCommand(index);
-        } catch (ParseException pe) {
-            throw new ParseException(
-                    String.format(MESSAGE_INVALID_COMMAND_FORMAT, DeleteCommand.MESSAGE_USAGE), pe);
+        ArgumentMultimap argMultimap =
+                ArgumentTokenizer.tokenize(args, PREFIX_INDEX, PREFIX_PASSWORD);
+        if (!arePrefixesPresent(argMultimap, PREFIX_INDEX, PREFIX_PASSWORD)
+                || !argMultimap.getPreamble().isEmpty()) {
+            throw new ParseException(String.format(MESSAGE_INVALID_COMMAND_FORMAT, DeleteCommand.MESSAGE_USAGE));
+        }
+        if (!PASSWORD.equals(argMultimap.getValue(PREFIX_PASSWORD).get())) {
+            throw new ParseException(String.format(MESSAGE_INVALID_PASSWORD, DeleteCommand.MESSAGE_USAGE));
         }
+        return new DeleteCommand(ParserUtil.parseIndex(argMultimap.getValue(PREFIX_INDEX).get()));
+    }
+
+    /**
+     * Returns true if none of the prefixes contains empty {@code Optional} values in the given
+     * {@code ArgumentMultimap}.
+     */
+    private static boolean arePrefixesPresent(ArgumentMultimap argumentMultimap, Prefix... prefixes) {
+        return Stream.of(prefixes).allMatch(prefix -> argumentMultimap.getValue(prefix).isPresent());
     }
 
 }

src/test/java/seedu/address/logic/LogicManagerTest.java

@@ -34,7 +34,7 @@ public void execute_invalidCommandFormat_throwsParseException() {
 
     @Test
     public void execute_commandExecutionError_throwsCommandException() {
-        String deleteCommand = "delete 9";
+        String deleteCommand = "delete i/9 x/a12345";
         assertCommandException(deleteCommand, MESSAGE_INVALID_LOAN_DISPLAYED_INDEX);
         assertHistoryCorrect(deleteCommand);
     }

src/test/java/seedu/address/logic/parser/AddressBookParserTest.java

@@ -56,7 +56,7 @@ public void parseCommand_clear() throws Exception {
     @Test
     public void parseCommand_delete() throws Exception {
         DeleteCommand command = (DeleteCommand) parser.parseCommand(
-                DeleteCommand.COMMAND_WORD + " " + INDEX_FIRST_LOAN.getOneBased());
+                DeleteCommand.COMMAND_WORD + " i/" + INDEX_FIRST_LOAN.getOneBased() + " x/a12345");
         assertEquals(new DeleteCommand(INDEX_FIRST_LOAN), command);
     }
 

src/test/java/seedu/address/logic/parser/DeleteCommandParserTest.java

@@ -22,7 +22,7 @@ public class DeleteCommandParserTest {
 
     @Test
     public void parse_validArgs_returnsDeleteCommand() {
-        assertParseSuccess(parser, "1", new DeleteCommand(INDEX_FIRST_LOAN));
+        assertParseSuccess(parser, " i/1 x/a12345", new DeleteCommand(INDEX_FIRST_LOAN));
     }
 
     @Test

src/test/java/systemtests/DeleteCommandSystemTest.java

@@ -31,7 +31,12 @@ public void delete() {
 
         /* Case: delete the first loan in the list, command with leading spaces and trailing spaces -> deleted */
         Model expectedModel = getModel();
-        String command = "     " + DeleteCommand.COMMAND_WORD + "      " + INDEX_FIRST_LOAN.getOneBased() + "       ";
+        String command = "     "
+                + DeleteCommand.COMMAND_WORD
+                + " i/"
+                + INDEX_FIRST_LOAN.getOneBased()
+                + " x/a12345"
+                + "       ";
         Loan deletedLoan = removeLoan(expectedModel, INDEX_FIRST_LOAN);
         String expectedResultMessage = String.format(MESSAGE_DELETE_LOAN_SUCCESS, deletedLoan);
         assertCommandSuccess(command, expectedModel, expectedResultMessage);
@@ -69,7 +74,7 @@ public void delete() {
          */
         showLoansWithName(KEYWORD_MATCHING_MEIER);
         int invalidIndex = getModel().getAddressBook().getLoanList().size();
-        command = DeleteCommand.COMMAND_WORD + " " + invalidIndex;
+        command = DeleteCommand.COMMAND_WORD + " i/" + invalidIndex + " x/a12345";
         assertCommandFailure(command, MESSAGE_INVALID_LOAN_DISPLAYED_INDEX);
 
         /* --------------------- Performing delete operation while a loan card is selected ------------------------ */
@@ -80,32 +85,32 @@ public void delete() {
         Index selectedIndex = getLastIndex(expectedModel);
         Index expectedIndex = Index.fromZeroBased(selectedIndex.getZeroBased() - 1);
         selectLoan(selectedIndex);
-        command = DeleteCommand.COMMAND_WORD + " " + selectedIndex.getOneBased();
+        command = DeleteCommand.COMMAND_WORD + " i/" + selectedIndex.getOneBased() + " x/a12345";
         deletedLoan = removeLoan(expectedModel, selectedIndex);
         expectedResultMessage = String.format(MESSAGE_DELETE_LOAN_SUCCESS, deletedLoan);
         assertCommandSuccess(command, expectedModel, expectedResultMessage, expectedIndex);
 
         /* --------------------------------- Performing invalid delete operation ------------------------------------ */
 
         /* Case: invalid index (0) -> rejected */
-        command = DeleteCommand.COMMAND_WORD + " 0";
+        command = DeleteCommand.COMMAND_WORD + " i/0";
         assertCommandFailure(command, MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
 
         /* Case: invalid index (-1) -> rejected */
-        command = DeleteCommand.COMMAND_WORD + " -1";
+        command = DeleteCommand.COMMAND_WORD + " i/-1";
         assertCommandFailure(command, MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
 
         /* Case: invalid index (size + 1) -> rejected */
         Index outOfBoundsIndex = Index.fromOneBased(
                 getModel().getAddressBook().getLoanList().size() + 1);
-        command = DeleteCommand.COMMAND_WORD + " " + outOfBoundsIndex.getOneBased();
+        command = DeleteCommand.COMMAND_WORD + " i/" + outOfBoundsIndex.getOneBased() + " x/a12345";
         assertCommandFailure(command, MESSAGE_INVALID_LOAN_DISPLAYED_INDEX);
 
         /* Case: invalid arguments (alphabets) -> rejected */
-        assertCommandFailure(DeleteCommand.COMMAND_WORD + " abc", MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
+        assertCommandFailure(DeleteCommand.COMMAND_WORD + " i/abc", MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
 
         /* Case: invalid arguments (extra argument) -> rejected */
-        assertCommandFailure(DeleteCommand.COMMAND_WORD + " 1 abc", MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
+        assertCommandFailure(DeleteCommand.COMMAND_WORD + " i/1 abc", MESSAGE_INVALID_DELETE_COMMAND_FORMAT);
 
         /* Case: mixed case command word -> rejected */
         assertCommandFailure("DelETE 1", MESSAGE_UNKNOWN_COMMAND);
@@ -131,8 +136,9 @@ private void assertCommandSuccess(Index toDelete) {
         Loan deletedLoan = removeLoan(expectedModel, toDelete);
         String expectedResultMessage = String.format(MESSAGE_DELETE_LOAN_SUCCESS, deletedLoan);
 
-        assertCommandSuccess(
-                DeleteCommand.COMMAND_WORD + " " + toDelete.getOneBased(), expectedModel, expectedResultMessage);
+        assertCommandSuccess(DeleteCommand.COMMAND_WORD
+                 + " i/" + toDelete.getOneBased()
+                 + " x/a12345", expectedModel, expectedResultMessage);
     }
 
     /**

src/test/java/systemtests/FindCommandSystemTest.java

@@ -81,7 +81,7 @@ public void find() {
         assertCommandFailure(command, expectedResultMessage);
 
         /* Case: find same loans in address book after deleting 1 of them -> 1 loan found */
-        executeCommand(DeleteCommand.COMMAND_WORD + " 1");
+        executeCommand(DeleteCommand.COMMAND_WORD + " i/1 x/a12345");
         assertFalse(getModel().getAddressBook().getLoanList().contains(BENSON));
         command = FindCommand.COMMAND_WORD + " " + KEYWORD_MATCHING_MEIER;
         expectedModel = getModel();

src/test/java/systemtests/HelpCommandSystemTest.java

@@ -69,7 +69,7 @@ public void openHelpWindow() {
 
         // assert that the status bar too is updated correctly while the help window is open
         // note: the select command tested above does not update the status bar
-        executeCommand(DeleteCommand.COMMAND_WORD + " " + INDEX_FIRST_LOAN.getOneBased());
+        executeCommand(DeleteCommand.COMMAND_WORD + " i/" + INDEX_FIRST_LOAN.getOneBased() + " x/a12345");
         assertNotEquals(StatusBarFooter.SYNC_STATUS_INITIAL, getStatusBarFooter().getSyncStatus());
     }