city_proxy.php

<?php
  require_once 'lib/chipin/lib/the_city_chipin.php';
  require_once 'lib/chipin_wordpress_cache.php';  

  add_action('wp_ajax_thecity_process_request', 'thecity_process_request_callback');


  function thecity_process_request_callback() {
    $api_key = isset($_POST['api_key']) ? $_POST['api_key'] : '';
    $user_token = isset($_POST['user_token']) ? $_POST['user_token'] : '';
    $load = isset($_POST['load']) ? $_POST['load'] : '';

    $html = array();
    switch($load) {
      case 'campuses':
        $html = array('campuses' => array());
        $campuses = TheCityChipin::campus_options($api_key, $user_token);
        foreach ($campuses as $id => $name) { $html['campuses'][] = array('id' => $id, 'name' => $name); }
        break;
      
      case 'funds':
        $campus_id = isset($_POST['campus_id']) ? $_POST['campus_id'] : 0;
        $html = array('campus_id' => $campus_id, 'funds' => array());
        $funds = TheCityChipin::fund_options($api_key, $user_token, $campus_id);
        foreach ($funds as $id => $name) { $html['funds'][] = array('id' => $id, 'name' => $name); }
        break;

      case 'info':
        $chipin_widget_id = isset($_POST['chipin_widget_id']) ? $_POST['chipin_widget_id'] : ''; 
        global $wpdb;
        $cacher = new ChipinWordPressCache($wpdb);
        $data = $cacher->get_data($chipin_widget_id);    
        if(!is_null($data)) {
          $white_list = empty($data['designation']) ? array() : array($data['designation']);
          $chipin = new TheCityChipin($data['secret_key'], $data['user_token'], $data['campus_id'], $data['fund_id'], $data['start_date'], $data['end_date']);
          $chipin->donations($white_list);
          $html['totals'] = $chipin->designation_totals();
          $html['widget_info'] = array(
            'subdomain_key'    => $data['subdomain_key'],
            'campus_name'      => $data['campus_name'],
            'campus_id'        => $data['campus_id'],
            'fund_id'          => $data['fund_id'],
            'designation'      => $data['designation'],
            'suggested_amount' => $data['suggested_amount'],
            'display_choice'   => $data['display_choice'],
            'start_date'       => $data['start_date'],
            'end_date'         => $data['end_date'],
            'goal_amount'      => $data['goal_amount']
          );      
        }
        break;
    }

    echo json_encode($html);

    die(); // this is required to return a proper result
  }
?>