WP Plugin Demo

<?php
/*
Plugin Name: Demo
Plugin URI: http://demo.com
Description: Demo Plugin
Version: 1.0
Author: Demo LLC
Author URI: http://demo.com
License: GPL2
*/

/*  Copyright 2013  DEMO LLC  (email : [email protected])

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as 
    published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

//ADMIN
add_action( 'admin_menu', 'my_admin_menu' );


//MAIN MENU
function my_admin_menu() {
  add_menu_page('Demo', 'demo', 'manage_options', 'demo-index', 'index_page',null,4);
  add_submenu_page('demo-index','Add','Add Entry','manage_options','demo-add','add_page');
  add_submenu_page('demo-index','Edit','Edit Entry','manage_options','demo-edit','edit_page');
}

//INDEX
function index_page() {
  if ( !current_user_can( 'manage_options' ) )  {
  	wp_die( __( 'You do not have sufficient permissions to access this page.' ) );
	}
  
  include_once('views/index.php');
}

//ADD
function add_page() {
	if ( !current_user_can( 'manage_options' ) )  {
		wp_die( __( 'You do not have sufficient permissions to access this page.' ) );
	}
  include_once('views/add.php');
}

//EDIT
function edit_page() {
	if ( !current_user_can( 'manage_options' ) )  {
		wp_die( __( 'You do not have sufficient permissions to access this page.' ) );
	}
  include_once('views/edit.php');
}


function my_enqueue($hook) {

    wp_enqueue_style( 'css', plugins_url('/mesh/css/scripts.css',dirname(__FILE__)));
    wp_enqueue_script( 'js', plugins_url('/mesh/js/styles.js',dirname(__FILE__)));
}
add_action( 'admin_enqueue_scripts', 'my_enqueue' ); 
  
  

//AJAX
add_action('wp_ajax_nopriv_AdminQuery', 'AdminQueryFunction');
add_action('wp_ajax_AdminQuery', 'AdminQueryFunction');


function AdminQueryFunction(){ 


  //VARS
  global $wpdb;

  
  //POST 
 $date = $wpdb->escape($_POST['date']);

  //QUERY SQL
  $rows = $wpdb->get_results( "SELECT * FROM db_table WHERE date = '$date' ");
}

 ?>