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Editing File: Levels.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 Levels extends CI_Controller {
    
    function __construct()
    {
        parent::__construct();
        $this->users->denyRestricted('stock');
    }
    
    public function index($mode = NULL, $sub_mode = NULL)
    {
        if($this->input->post('update_reading'))
        {
            exit_with_json(array
            (
                'success' => $this->stocks->updateReading($this->input->post('item_id'), $this->input->post('product_id'), $this->input->post('new_reading'))
            ));
        }
        
        if($this->input->post('get_level'))
        {
            $level_info = $this->stocks->getStock($this->input->post('item_id'), $this->input->post('product_id'));
            
            if(!empty($level_info))
            {
                $level_info->formatted_last_checked = ($level_info->last_checked) ? date('l, jS F Y', $level_info->last_checked) : NULL;
            }
            
            exit_with_json(array('success' => !empty($level_info), 'info' => $level_info));
        }
        
        $page_number = (is_numeric($mode)) ? $mode : $sub_mode;
        
        $stocks_filters = array();
        $stock_levels = array
        (
            'out-of-stock'      => array('Out of stock', STOCK_OUT_OF_STOCK),
            'low'               => array('Low', STOCK_LEVEL_LOW),
            'moderate'          => array('Moderate', STOCK_LEVEL_MODERATE),
            'high'              => array('High', STOCK_LEVEL_HIGH)
        );
        
        if(isset($stock_levels[$mode]))
        {
            $stocks_filters['level'] = $stock_levels[$mode][1];
            $head_data['page_title'] = $stock_levels[$mode][0] . ' - Stock levels';
        }
        else
        {
            $head_data['page_title'] = 'Stock levels';
        }
        
        $this->load->view('header', $head_data);
        
        $data['stock_items'] = $this->stocks->getStock(NULL, NULL, $stocks_filters, $page_number);
        
        $this->load->view('stocks/overview', $data);
        
        $this->load->view('footer');
    }
    
    public function edit($mode = NULL)
    {
        $head_data['page_title'] = 'Add stock item - Stock levels';
        
        $this->load->view('header', $head_data);
        
        $this->load->view('stocks/edit');
        
        $this->load->view('footer');
    }
    
    public function view($mode = NULL)
    {
        if(!(($item_id = (int) $mode) > 0 && ($stock_info = $this->stocks->getStock($item_id))))
        {
            redirect('/stocks');
            exit;
        }
        
        $head_data['page_title'] = $stock_info->item . ' - Stock levels';
        
        $this->load->view('header', $head_data);
        
        $data['stock_info'] = $stock_info;
        $data['stock_levels'] = $this->stocks->getReadingHistory($item_id);
        
        $this->load->view('stocks/view', $data);
        
        $this->load->view('footer');
    }
}

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