Wordpress Simcast 2.0 API Support

Simcast_Plugin.php

<?php

include_once('Simcast_LifeCycle.php');

class Simcast_Plugin extends Simcast_LifeCycle {

  /**
   * See: http://plugin.michael-simpson.com/?page_id=31
   * @return array of option meta data.
   */
  public function getOptionMetaData() {
    //  http://plugin.michael-simpson.com/?page_id=31
    return array(
      //'_version' => array('Installed Version'), // Leave this one commented-out. Uncomment to test upgrades.
      'SimpleCastAPI' => array(__('SimpleCast API Key', 'simcast-plugin')),
      'PodcastID' => array(__('Your Podcast ID', 'simcast-plugin')),
      'ShowEmbeds' => array(__('Show embedded player with each episode?', 'simcast-plugin'), 'false', 'true'),
      'UseStyling' => array(__('Use styling?', 'simcast-plugin'), 'true', 'false'),
      'CacheLength' => array(__('How long should the episode list be cached?', 'simcast-plugin'),
                                  'One Week', 'One Day', 'One Month')
/*
      'CanDoSomething' => array(__('Which user role can do something', 'simcast-plugin'),
                                  'Administrator', 'Editor', 'Author', 'Contributor', 'Subscriber', 'Anyone')
*/
    );
  }

//    protected function getOptionValueI18nString($optionValue) {
//        $i18nValue = parent::getOptionValueI18nString($optionValue);
//        return $i18nValue;
//    }

  protected function initOptions() {
    $options = $this->getOptionMetaData();
    if (!empty($options)) {
      foreach ($options as $key => $arr) {
        if (is_array($arr) && count($arr > 1)) {
          $this->addOption($key, $arr[1]);
        }
      }
    }
  }

  public function getPluginDisplayName() {
    return 'Simcast';
  }

  protected function getMainPluginFileName() {
    return 'simcast.php';
  }

  /**
   * See: http://plugin.michael-simpson.com/?page_id=101
   * Called by install() to create any database tables if needed.
   * Best Practice:
   * (1) Prefix all table names with $wpdb->prefix
   * (2) make table names lower case only
   * @return void
   */
  protected function installDatabaseTables() {
    //        global $wpdb;
    //        $tableName = $this->prefixTableName('mytable');
    //        $wpdb->query("CREATE TABLE IF NOT EXISTS `$tableName` (
    //            `id` INTEGER NOT NULL");
  }

  /**
   * See: http://plugin.michael-simpson.com/?page_id=101
   * Drop plugin-created tables on uninstall.
   * @return void
   */
  protected function unInstallDatabaseTables() {
    //        global $wpdb;
    //        $tableName = $this->prefixTableName('mytable');
    //        $wpdb->query("DROP TABLE IF EXISTS `$tableName`");
  }


  /**
   * Perform actions when upgrading from version X to version Y
   * See: http://plugin.michael-simpson.com/?page_id=35
   * @return void
   */
  public function upgrade() {
  }

  public function addActionsAndFilters() {
    // Add options administration page
    // http://plugin.michael-simpson.com/?page_id=47
    add_action('admin_menu', array(&$this, 'addSettingsSubMenuPage'));

    // Example adding a script & style just for the options administration page
    // http://plugin.michael-simpson.com/?page_id=47
    //        if (strpos($_SERVER['REQUEST_URI'], $this->getSettingsSlug()) !== false) {
    //            wp_enqueue_script('my-script', plugins_url('/js/my-script.js', __FILE__));
    //            wp_enqueue_style('my-style', plugins_url('/css/my-style.css', __FILE__));
    //        }


    // Add Actions & Filters
    // http://plugin.michael-simpson.com/?page_id=37


    // Adding scripts & styles to all pages
    // Examples:
    //        wp_enqueue_script('jquery');
    //        wp_enqueue_style('my-style', plugins_url('/css/my-style.css', __FILE__));
    //        wp_enqueue_script('my-script', plugins_url('/js/my-script.js', __FILE__));


    // Register short codes
    // http://plugin.michael-simpson.com/?page_id=39
    add_shortcode('simcast', array($this, 'doSimcastShortcode'));

    // Register AJAX hooks
    // http://plugin.michael-simpson.com/?page_id=41
    add_action('wp_ajax_ClearTransients', array(&$this, 'ajaxClearTransients'));

  }
  public function ajaxClearTransients() {
    // Delete the transient
    delete_transient( 'simplecastdata' );

    header("Content-type: application/json");

    echo 'Success!';

    die();
  }

  public function doSimcastShortcode($atts) {
    // Add by Erick in V2
    extract(shortcode_atts(array(
      'limit' => '',
      'hide_player' => '',
      'link_text' => ''
    ), $atts));

    $simcast_api_key    = get_option('Simcast_Plugin_SimpleCastAPI');
    $simcast_show_id    = get_option('Simcast_Plugin_PodcastID');
    $show_embeds        = get_option('Simcast_Plugin_ShowEmbeds');
    $use_styling        = get_option('Simcast_Plugin_UseStyling');
    $cache_length       = get_option('Simcast_Plugin_CacheLength');
    switch ($cache_length) {
      case "One Week":
        $simcast_cache = WEEK_IN_SECONDS;
        break;
      case "One Day":
        $simcast_cache = DAY_IN_SECONDS;
        break;
      case "One Month":
        $simcast_cache = MONTH_IN_SECONDS;
        break;
    }

    if ($simcast_api_key && $simcast_show_id) {
      // If the transient is already saved, let's use that data
      if (get_transient('simplecastdata')) {
        $json_data = get_transient('simplecastdata');
      // If not, then let's get the fresh data and save it to transients
      } else {
        // The SimpleCast V2.0 AP
        $url = 'https://api.simplecast.com/podcasts/'.$simcast_show_id.'/episodes';
        $context = stream_context_create(array(
          'http' => array(
            'header'  => "Authorization: Bearer ".$simcast_api_key.""
          )
        ));

        // Get the feed
        $data = file_get_contents($url, false, $context);

        // JSON decode the feed
        $json_data = json_decode($data);

        // Set the transient with that data, broken?
        set_transient('simplecastdata', $json_data, 1 * $simcast_cache);
      }

      $x = 0;
      $feed_data = '';

      // Let's loop over that data to produce the list of episodes
      foreach ($json_data->collection as $episode){
        $x++;

        // A hack to get the iframe URL
        $sharing_url = $episode->href;
        $embed_id = substr($sharing_url, 36, 36);

        if($use_styling == 'true'){
          $styles = 'margin-bottom: 24px; padding: 15px 0;';
        } else {
          $styles = '';
        }

        $feed_data .= '<div class="simcast_episode" style="'.$styles.'">';
        $feed_data .= '<h2 style="font-size: 2em;">'.$episode->title.'</h2>';
        $feed_data .= '<p>'.$episode->description;

        // API does not. return episode url, need show slug to generate it
        // $feed_data .= '<a href="'.$sharing_url.'">';
        // if($link_text) {
        //   $feed_data .= $link_text;
        // } else {
        //   $feed_data .= 'Read Full Show Notes &rarr;';
        // }
        // $feed_data .= '</a>';

        $feed_data .= '</p>';

        if($show_embeds == 'true' && $hide_player !== 'true'){
          $feed_data .= '<iframe src="https://player.simplecast.com/'.$embed_id.'" width="100%" frameborder="0" height="200px" scrolling="no" seamless></iframe>';
        }

        $feed_data .= '</div>';

        if ($x == $limit) {
          break;
        }
      }

      return $feed_data;

    } else {
      return 'Your API key and show ID must be saved in order to display your podcast feed.';
    }
  }
}