[W7][M11-1]Hu Yidi

docs/UserGuide.adoc

@@ -138,6 +138,11 @@ Views all details of the 1st person in the results of the `find` command.
 Clears all entries from the address book. +
 Format: `clear`
 
+== Giving the number of all commands entered : `all`
+
+Gives the number of all commands entered to the address book. +
+Format: `all`
+
 == Exiting the program : `exit`
 
 Exits the program. +

src/seedu/addressbook/commands/AllCommand.java

@@ -0,0 +1,21 @@
+package seedu.addressbook.commands;
+
+import java.util.List;
+import seedu.addressbook.parser.Parser;
+
+public class AllCommand extends Command {
+
+    public static final String COMMAND_WORD = "all";
+
+    public static final String MESSAGE_USAGE = COMMAND_WORD
+            + ": Total number of commands entered.\n"
+            + "Example: " + COMMAND_WORD;
+    public static final String MESSAGE_SUCCESS = "Number of all commands entered:";
+
+    @Override
+    public CommandResult execute() {
+
+        int totalnumber = Parser.allcommands;
+        return new CommandResult(MESSAGE_SUCCESS+totalnumber);
+    }
+}

src/seedu/addressbook/commands/HelpCommand.java

@@ -12,6 +12,7 @@ public class HelpCommand extends Command {
             + "Example: " + COMMAND_WORD;
 
     public static final String MESSAGE_ALL_USAGES = AddCommand.MESSAGE_USAGE
+            + "\n" + AllCommand.MESSAGE_USAGE
             + "\n" + DeleteCommand.MESSAGE_USAGE
             + "\n" + ClearCommand.MESSAGE_USAGE
             + "\n" + FindCommand.MESSAGE_USAGE

src/seedu/addressbook/parser/Parser.java

@@ -26,6 +26,7 @@ public class Parser {
                     + " (?<isAddressPrivate>p?)a/(?<address>[^/]+)"
                     + "(?<tagArguments>(?: t/[^/]+)*)"); // variable number of tags
 
+    public static int allcommands;
 
     /**
      * Signals that the user input could not be parsed.
@@ -58,27 +59,39 @@ public Command parseCommand(String userInput) {
         switch (commandWord) {
 
             case AddCommand.COMMAND_WORD:
+                allcommands ++;
                 return prepareAdd(arguments);
 
+            case AllCommand.COMMAND_WORD:
+                allcommands ++;
+                return new AllCommand();
+
             case DeleteCommand.COMMAND_WORD:
+                allcommands ++;
                 return prepareDelete(arguments);
 
             case ClearCommand.COMMAND_WORD:
+                allcommands ++;
                 return new ClearCommand();
 
             case FindCommand.COMMAND_WORD:
+                allcommands ++;
                 return prepareFind(arguments);
 
             case ListCommand.COMMAND_WORD:
+                allcommands ++;
                 return new ListCommand();
 
             case ViewCommand.COMMAND_WORD:
+                allcommands ++;
                 return prepareView(arguments);
 
             case ViewAllCommand.COMMAND_WORD:
+                allcommands ++;
                 return prepareViewAll(arguments);
 
             case ExitCommand.COMMAND_WORD:
+                allcommands ++;
                 return new ExitCommand();
 
             case HelpCommand.COMMAND_WORD: // Fallthrough

test/java/seedu/addressbook/logic/LogicTest.java

@@ -11,6 +11,7 @@
 import seedu.addressbook.data.AddressBook;
 import seedu.addressbook.data.person.*;
 import seedu.addressbook.data.tag.Tag;
+import seedu.addressbook.parser.Parser;
 import seedu.addressbook.storage.StorageFile;
 
 import java.util.*;
@@ -109,6 +110,11 @@ public void execute_exit() throws Exception {
         assertCommandBehavior("exit", ExitCommand.MESSAGE_EXIT_ACKNOWEDGEMENT);
     }
 
+    @Test
+    public void execute_all() throws Exception {
+        assertCommandBehavior("all", AllCommand.MESSAGE_SUCCESS + Parser.allcommands);
+    }
+
     @Test
     public void execute_clear() throws Exception {
         TestDataHelper helper = new TestDataHelper();

test/java/seedu/addressbook/parser/ParserTest.java

@@ -39,7 +39,13 @@ public void unknownCommandWord_returnsHelp() {
     /**
      * Test 0-argument commands
      */
-
+
+    @Test
+    public void allCommand_parsedCorrectly() {
+        final String input = "all";
+        parseAndAssertCommandType(input, AllCommand.class);
+    }
+
     @Test
     public void helpCommand_parsedCorrectly() {
         final String input = "help";