ding_arbo.module

<?php
/**
 * @file
 *
 * Main ARBO module file.
 */

define('FLV_ADDR', 'http://localhost/index.php?file=');
define('RESPONDER_ADDR', 'http://localhost/index.php');
define('ARBO_PATH', drupal_get_path('module', 'ding_arbo'));
define('TING_PATH', drupal_get_path('module', 'ting'));

/**
 * Implements hook_init().
 */
function ding_arbo_init() {
  drupal_add_library('system', 'drupal.ajax');
  drupal_add_library('system', 'jquery.form');
  drupal_add_js(ARBO_PATH . '/js/arbo.js');
  drupal_add_js(ARBO_PATH . '/js/flowplayer-3.2.6.min.js');
  drupal_add_js(ARBO_PATH . '/js/tiny_carousel.js');
  drupal_add_css(ARBO_PATH . '/css/arbo-widget.css');
  drupal_add_css(ARBO_PATH . '/css/arbo-carousel.css');
}

/**
 * Implements hook_menu().
 */
function ding_arbo_menu() {
  $items = array();

  $items['admin/config/ding/arbo'] = array(
    'title' => 'ARBO config',
    'description' => 'Configuration page for ARBO module',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('ding_arbo_config_form'),
    'access arguments' => array('access adminitration pages'),
  );

  $items['arbo/call'] = array(
    'title' => 'ARBO YT responder',
    'description' => 'Retrieves the uploaded video review ID generated by YT',
    'page callback' => 'arbo_responder',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'file' => 'ding_arbo.ajax.inc',
  );

  $items['arbo/ajax/widget/%'] = array(
    'title' => 'ARBO widget',
    'description' => 'Display ARBO widget through ajax call in a popup overlay.',
    'page arguments' => array(1, 3),
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'page callback' => 'ding_arbo_widget_display',
  );

  $items['arbo/ajax/carousel/youtube/%'] = array(
    'title' => 'ARBO review popup',
    'description' => 'Display ARBO overlay for existing video reviews.',
    'page arguments' => array(1, 4),
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'page callback' => 'ding_arbo_carousel_youtube',
  );

  return $items;
}

/**
 * Display a YT stored video review in a popup
 *
 * @param $type
 *   Type of request
 * @param $video_link
 *   YouTube video link
 */
function ding_arbo_carousel_youtube($type = 'ajax', $video = '') {
  if ($type == 'ajax') {
    if ($video != '') {
      $commands = array();

      $video_id = $video;
      $commands[] = ajax_command_ding_popup(
        'yt_overlay',
        t('Video review'),
        '<object width="480" height="390"><param name="movie" value="http://www.youtube.com/v/' . $video_id . '?fs=1&amp;hl=en_US&amp;rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/' . $video_id . '?fs=1&amp;hl=en_US&amp;rel=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="390"></embed></object>'
      );

      $result = array('#type' => 'ajax', '#commands' => $commands);

      ajax_deliver($result);
    }
  }
}

/**
 * Handles ARBO widget display.
 *
 * @param $type
 *   Type of request
 * @param $faust_number
 *   Item faust number
 */
function ding_arbo_widget_display($type = 'ajax', $ting_id) {
  if ($type == 'ajax') {
    require_once DRUPAL_ROOT . '/' . TING_PATH . '/ting.client.inc';

    $t = explode(':', $ting_id);
    $faust_number = $t[1];

    // Include needed classes
    require_once DRUPAL_ROOT . '/' . ARBO_PATH . '/lib/VoxbVideoReviews.class.php';
    require_once DRUPAL_ROOT . '/' . VOXB_PATH . '/lib/VoxbItem.class.php';
    require_once DRUPAL_ROOT . '/' . VOXB_PATH . '/lib/VoxbProfile.class.php';

    $item = new VoxbItem();
    $item->fetchByFaust($faust_number);
    $profile = new VoxbProfile();
    $profile->setUserId($_SESSION['voxb']['userId']);

    $video_filename = md5(REQUEST_TIME);

    $commands = array();
    $commands[] = ajax_command_ding_popup(
      'arbo_widget',
      t('ARBO Widget'),
      theme('arbo_widget', array(
        'voxb_item' => $item,
        'profile' => $profile,
        'faust_number' => $faust_number,
        'video_filename' => $video_filename,
        'ting_id' => $ting_id))
    );

    $commands[] = ding_arbo_widget_init($video_filename);

    $result = array('#type' => 'ajax', '#commands' => $commands);

    // Show the widget
    ajax_deliver($result);
  }
}

/**
 * Initializes the Arbo widget with needed data
 *
 * @param $video_filename
 *   Video file name hash delivered to template
 * @return
 *   An array of Drupal ajax calls with additional parameters
 */
function ding_arbo_widget_init($video_filename) {
  return array(
    'command' => 'ding_arbo_widget_init',
    'arbo_path' => ARBO_PATH,
    'movie_name' => $video_filename,
    'app_name' => 'ARBO',
    'stream_path' => variable_get('ding_arbo_flv_server_addr', FLV_ADDR),
  );
}

/**
 * Implements hook_theme().
 */
function ding_arbo_theme() {
  $hooks['arbo'] = array(
    'variables' => array('object' => NULL),
    'template' => 'ding_arbo',
  );

  $hooks['arbo_widget'] = array(
    'variables' => array('voxb_item' => NULL, 'profile' => NULL, 'faust_number' => NULL, 'video_filename' => NULL),
    'template' => 'ding_arbo-widget',
  );

  return $hooks;
}

/**
 * Implements hook_help().
 */
function ding_arbo_help($path, $arg) {
  if ($path == 'admin/help#arbo') {
    return t('ARBO module provides an interface that allow users to watch and post video reviews.');
  }
}

/**
 * Arbo module config form.
 *
 * @param $form
 *   Processed form fields and their data
 * @param $form_state
 *   Form state
 * @return
 *   An array representing the form structure
 */
function ding_arbo_config_form($form, $form_state) {
  $form['ding_arbo_flv_server_addr'] = array(
    '#type' => 'textfield',
    '#default_value' => variable_get('ding_arbo_flv_server_addr', FLV_ADDR),
    '#title' => t('FLV address'),
    '#description' => t('Server address where FLV\'s can be accessed., e.g. http://79.125.6.101/arbo-youtube/streamer.php?file='),
    '#size' => 40,
    '#maxlength' => '256',
    '#required' => TRUE,
  );

  $form['ding_arbo_responder_server_addr'] = array(
    '#type' => 'textfield',
    '#default_value' => variable_get('ding_arbo_responder_server_addr', RESPONDER_ADDR),
    '#title' => t('Upload responder'),
    '#description' => t('Server address which replies a newly uploaded video YouTube unique ID, e.g. http://79.125.6.101/arbo-youtube/index.php'),
    '#size' => 40,
    '#maxlength' => '256',
    '#required' => TRUE,
  );

  return system_settings_form($form);
}

/**
 * The video reviews form, to store review data.
 *
 * @param $form
 *   Processed form fields and their data
 * @param $form_state
 *   Form state
 * @param $faust
 *   Item faust number
 * @param $movie_name
 *   Video file name hash
 * @return
 *   An array representing the form structure
 */
function ding_arbo_review_form($form, &$form_state, $faust, $movie_name, $ting_id) {
  $form['terms'] = array(
    '#type' => 'textarea',
    '#attributes' => array(
      'readonly' => TRUE,
    ),
  );

  $form['accept'] = array(
    '#type' => 'checkbox',
    '#title' => t('I hereby accept the terms'),
  );

  $form['object_faust'] = array(
    '#type' => 'hidden',
    '#value' => $faust,
  );

  $form['object_ting_id'] = array(
    '#type' => 'hidden',
    '#value' => $ting_id,
  );

  $form['review_email'] = array(
    '#type' => 'hidden',
  );

  $form['movie_name'] = array(
    '#type' => 'hidden',
    '#value' => $movie_name,
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => 'Submit',
    '#ajax' => array(
      'callback' => 'ding_arbo_review_form_callback'
    ),
    '#attributes' => array(
      'class' => array('rounded-corners')
    )
  );

  return $form;
}

/**
 * Callback function for processing video reviews,
 * stores data in hidden fields and sends them to red5 for further processing.
 *
 * @param $form
 *   Processed form fields and their data
 * @param $form_state
 *   Form state
 * @return
 *   An array of Drupal ajax calls with additional parameters
 */
function ding_arbo_review_form_callback($form, &$form_state) {
  $commands = array();

  if ($form['accept']['#value'] == 1) {
    require_once DRUPAL_ROOT . '/' . TING_PATH . '/ting.client.inc';
    $object = ting_object_load($form['object_ting_id']['#value']);

    $movie_title = $object->title . ' [anmeldelse]';
    $movie_description = t('Review by') . ' ' . $object->title . '. Beskrivelse af materialet: ' . $object->abstract;
    $movie_tags = 'EasyTown, ' . $object->title . ', inlead, artesis';
    $movie_name = $form['movie_name']['#value'] . '.flv';
    $object_id = $object->ding_entity_id;

    $status = file_get_contents(
      variable_get('ding_arbo_responder_server_addr', RESPONDER_ADDR) .
      '?movie_name=' . urlencode($movie_name) .
      '&review_title=' . urlencode($movie_title) .
      '&review_description=' . urlencode($movie_description) .
      '&review_tags=' . urlencode($movie_tags) .
      '&user_email=' . urlencode($form['review_email']['#value']) .
      '&faust_number=' . urlencode($form['object_faust']['#value']) .
      '&user_id=' . urlencode($_SESSION['voxb']['userId']) .
      '&ding_id=' . urlencode($object_id));

    $commands[] = ajax_command_ding_popup_close('arbo_widget');

    if ($status == '0x01') {
      $commands[] = ajax_command_ding_popup(
        'arbo_notice',
        t('ARBO widget'),
        '<p style="text-align: center;">' . t('Thank you for your review!') . '</p><p style="text-align: center;"><img src="/' . ARBO_PATH . '/img/accept.png" width="128" height="128" alt="" /></p>');
      $commands[] = ajax_command_invoke('.reviewsContainer', 'hide', array());
      $commands[] = ajax_command_invoke('.addVideoReviewContainer', 'hide', array());
    }
    else {
      $commands[] = ajax_command_ding_popup(
        'arbo_notice',
        t('ARBO widget'),
        '<p style="text-align: center;">' . t('An unexpected error occured, try again later.') . '</p><p style="text-align: center;"><img src="/' . ARBO_PATH . '/img/repeat-128.png" width="128" height="128" alt="" /></p>');
    }
  }
  else {
    $commands[] = ajax_command_ding_popup(
      'review_error',
      t('Error'),
      '<p>' . t('You should accept the terms of agreement.') . '</p>');
  }

  return array('#type' => 'ajax', '#commands' => $commands);
}

/**
 * Implements MODULE_ctools_plugin_directory().
 */
function ding_arbo_ctools_plugin_directory($module, $plugin) {
  if ($module == 'ctools') {
    return 'plugins/' . $plugin;
  }
}