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Editing File: Tools.php

<?php

/* 
 * Copyright (C) Wayne Purton-Smith - All Rights Reserved
 * Unauthorized copying of this file or removing this paragraph, via any medium is strictly prohibited
 * Proprietary and confidential
 * Written by Wayne Purton-Smith <waynepurtonsmith@hotmail.co.uk> February 2014
 */

class Tools extends CI_Controller {
    
    public function signpad()
    {
        if($this->input->post('sign_order'))
        {
            exit_with_json(array('success' => $this->orders->signOrder($this->input->post('order_id'), $this->input->post('signature_data'), $this->input->post('signed_date'))));
        }
        
        $orders_today = $this->orders->get(NULL, NULL, array
        (
            'delivery_date_from'    => strtotime('00:00:00'),
            'delivery_date_to'      => strtotime('23:59:59')
        ));
        
        $data['orders'] = $orders_today;
        
        $this->load->view('tools/signpad', $data);
    }
    
    public function manifest()
    {
        $manifest_data = array
        (
            'CACHE MANIFEST',
            '#', // Versioning goes here
            '# CSS',
            '/assets/css/signpad.css',
            '/assets/css/bootstrap-3.css',
            '# JS',
            '/assets/js/jquery.js',
            '/assets/js/bootstrap-3.js',
            '/assets/js/signpad.js',
            '# IMAGES',
            '/assets/images/logo.png',
            '/assets/images/signpad/loader.gif',
            '/assets/images/favicon.ico',
            '/assets/images/apple-touch-icon.png',
            '# FONTS',
            '/assets/fonts/glyphicons-halflings-regular.woff',
            '/assets/fonts/glyphicons-halflings-regular.ttf',
            '/assets/fonts/glyphicons-halflings-regular.svg',
            '# OFFLINE PAGE',
            'FALLBACK:',
            '/ /assets/signpad/offline.html'
        );
        
        $hash_data = '';
        
        // Also need to check for template changes
        $check_files = array_merge($manifest_data, array('application/views/tools/signpad.php'));
        $latest_modified_time = 0;
        
        foreach($check_files as $i => $line_info)
        {
            $file_name = ltrim($line_info, '/');
            
            if(file_exists($file_name))
            {
                $last_modified = filemtime($file_name);
                $hash_data .= $last_modified;
                
                if($last_modified > $latest_modified_time)
                {
                    $latest_modified_time = $last_modified;
                }
            }
        }
        
        $checksum = md5(serialize($manifest_data) . ':' . $hash_data . ':' . date('d-m-Y'));
        $manifest_data[1] = '# Version ' . $checksum;
        
        $manifest_data = implode("\n", $manifest_data);

header("Last-Modified: " . gmdate("D, d M Y H:i:s", $latest_modified_time) . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");
        header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");

header("Content-Type: text/cache-manifest", true);

exit($manifest_data);
    }
}

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