Implemented lastlogin command

src/main/java/fr/xephi/authme/command/CommandManager.java

@@ -123,6 +123,19 @@ public class CommandManager {
                 dungeonMazeCommand);
         listWorldCommand.setCommandPermissions("dungeonmaze.command.listworlds", CommandPermissions.DefaultPermission.OP_ONLY);*/
 
+        // Register the purge command
+        CommandDescription lastLoginCommand = new CommandDescription(
+                new LastLoginCommand(),
+                new ArrayList<String>() {{
+                    add("lastlogin");
+                    add("ll");
+                }},
+                "Player's last login",
+                "View the date of the specified players last login",
+                authMeCommand);
+        lastLoginCommand.setCommandPermissions("authme.admin.lastlogin", CommandPermissions.DefaultPermission.OP_ONLY);
+        lastLoginCommand.addArgument(new CommandArgumentDescription("player", "Player name", true));
+
         // Register the purge command
         CommandDescription purgeCommand = new CommandDescription(
                 new PurgeCommand(),

src/main/java/fr/xephi/authme/command/executable/LastLoginCommand.java

@@ -0,0 +1,74 @@
+package fr.xephi.authme.command.executable;
+
+import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.ConsoleLogger;
+import fr.xephi.authme.cache.auth.PlayerAuth;
+import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.command.ExecutableCommand;
+import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.util.Profiler;
+import org.bukkit.command.CommandSender;
+
+//import org.bukkit.ChatColor;
+import java.util.Date;
+
+public class LastLoginCommand extends ExecutableCommand {
+
+    /**
+     * Execute the command.
+     *
+     * @param sender           The command sender.
+     * @param commandReference The command reference.
+     * @param commandArguments The command arguments.
+     *
+     * @return True if the command was executed successfully, false otherwise.
+     */
+    @Override
+    public boolean executeCommand(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
+        // Profile the reload process
+        Profiler p = new Profiler(true);
+
+        // AuthMe plugin instance
+        AuthMe plugin = AuthMe.getInstance();
+        // Messages instance
+        Messages m = Messages.getInstance();
+
+        // Get the player
+        String playerName = sender.getName();
+        if(commandArguments.getCount() >= 1)
+            playerName = commandArguments.get(0);
+
+        // Validate the player
+        PlayerAuth auth;
+        try {
+            auth = plugin.database.getAuth(args[1].toLowerCase());
+        } catch (NullPointerException e) {
+            m.send(sender, "unknown_user");
+            return true;
+        }
+        if (auth == null) {
+            m.send(sender, "user_unknown");
+            return true;
+        }
+
+        // Get the last login date
+        long lastLogin = auth.getLastLogin();
+        Date date = new Date(lastLogin);
+
+        // Get the difference
+        final long diff = System.currentTimeMillis() - lastLogin;
+
+        // Build the message
+        final String msg = (int) (diff / 86400000) + " days " + (int) (diff / 3600000 % 24) + " hours " + (int) (diff / 60000 % 60) + " mins " + (int) (diff / 1000 % 60) + " secs.";
+
+        // Get the player's last IP
+        String lastIP = auth.getIp();
+
+        // Show the player status
+        sender.sendMessage("[AuthMe] " + args[1] + " last login : " + date.toString());
+        sender.sendMessage("[AuthMe] The player " + auth.getNickname() + " is unlogged since " + msg);
+        sender.sendMessage("[AuthMe] Last Player's IP: " + lastIP);
+        return true;
+    }
+}