wavelog/application/controllers/Accumulated.php

<?php
defined('BASEPATH') or exit('No direct script access allowed');

class Accumulated extends CI_Controller
{

    function __construct()
    {
        parent::__construct();

        $this->load->model('user_model');
        if (!$this->user_model->authorize(2)) {
            $this->session->set_flashdata('notice', 'You\'re not allowed to do that!');
            redirect('dashboard');
        }
    }

    public function index()
    {
        // Render Page
        $data['page_title'] = $this->lang->line('menu_accumulated_statistics');

        $this->load->model('bands');

        $data['worked_bands'] = $this->bands->get_worked_bands(); // Used in the view for band select

        $this->load->model('modes');

        $data['modes'] = $this->modes->active();

        $this->load->view('interface_assets/header', $data);
        $this->load->view('accumulate/index');
        $this->load->view('interface_assets/footer');
    }

    /*
     * Used for ajax-call in javascript to fetch the data and insert into table and chart
     */
    public function get_accumulated_data()
    {
        //load model
        $this->load->model('accumulate_model');
        $band = $this->input->post('Band');
        $award = $this->input->post('Award');
        $mode = $this->input->post('Mode');
        $period = $this->input->post('Period');

        // get data
        $data = $this->accumulate_model->get_accumulated_data($band, $award, $mode, $period);
        header('Content-Type: application/json');
        echo json_encode($data);
    }
}