linkedin_status.module in LinkedIn Integration 6

Main hooks implementation for LinkedIn Profile module

File

linkedin_status/linkedin_status.module

<?php

/**
 * @file Main hooks implementation for LinkedIn Profile module
 */

/**
 * Implementation of hook_init()
 */
function linkedin_status_init() {
  global $theme_path;
  $li_css = $theme_path . '/linkedin_status.css';
  if (file_exists($li_css)) {
    drupal_add_css($li_css);
  }
  else {
    drupal_add_css(drupal_get_path('module', 'linkedin_status') . '/linkedin_status.css');
  }
  module_load_include('pages.inc', 'linkedin_status');
}

/*
 * Implementationi of hook_perm()
 */
function linkedin_status_perm() {
  return array(
    'update LinkedIn status',
    'use custom status text',
  );
}

/*
 * Implementation of hook_linkedin_user_edit_perms :
 * Let Linkedin module know what permissions are available at user/%user/edit/linkedin
 */
function linkedin_status_linkedin_user_edit_perms() {
  return array(
    'update LinkedIn status',
  );
}

/*
 * hook_form_alter()
 * Call the user form when needed.
 */
function linkedin_status_form_alter(&$form, $form_state, $form_id) {

  // add posting  form into event signup
  if ($form_id == 'signup_form') {
    global $user;
    if (variable_get('linkedin_status_enabled_event_signup', '0') != '1' || !user_access('update LinkedIn status')) {
      return;
    }
    else {

      //node object is not at same key everytime, so iterate until we find it
      $array = $form['#parameters'];
      $node = new stdClass();
      foreach ($array as $k) {
        if (is_object($k) && isset($k->nid) && $k->type == 'event') {
          $node = $k;
          break;
        }
        else {
          array_pop($array);
        }
      }
      $form['collapse']['signup_user_form']['linkedin'] = drupal_retrieve_form('linkedin_status_update_form', $form_state, $user, $node);
      array_unshift($form['#submit'], 'linkedin_status_update_form_submit');

      //manually adding our submit handler
    }
  }
  else {

    //add posting form into nodes edit page and comments
    if (isset($form['#node']) && $form['#node']->type . '_node_form' == $form_id || $form_id == 'comment_form' && $form['form_id']['#id'] == 'edit-comment-form') {
      global $user;
      $node = isset($form['#node']) ? $form['#node'] : node_load($form['nid']['#value']);
      if (variable_get('linkedin_status_enabled_' . $node->type, '0') != '1' || !user_access('update LinkedIn status') || $form_id == 'comment_form' && variable_get('linkedin_status_enabled_comment', '0') != '1') {
        return;
      }
      else {
        $form['linkedin'] = drupal_retrieve_form('linkedin_status_update_form', $form_state, $user, $node);
        array_unshift($form['#submit'], 'linkedin_status_update_form_submit');
      }
    }
  }
  return $form;
}

/**
 * Implementation of hook_nodeapi()
 */
function linkedin_status_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {

    //For newly created nodes, token replacement cannot be done in the submit function for update status message.

    //So we delay and do it here instead of linkedin_user_status_update_form_submit()
    case 'insert':
      if ($node->status == 1 && $node->linkedin_status['posting'] == '1' && !empty($node->linkedin_status['status'])) {
        global $user;
        linkedin_status_set_status($node->linkedin_status['status'], $node);
        break;
      }
  }
}

/**
 * Invokes hook_li_placeholders, hook_li_body, and hook_li_set_status
 */
function linkedin_status_set_status($status, $node) {
  global $user;
  $placeholders = module_invoke_all('li_placeholders', $node);
  $body = module_invoke_all('li_body', $status, $placeholders);
  drupal_alter('linkedin_status_set_status', $body, $node);
  module_invoke_all('li_set_status', $user->uid, $body);
}

/**
 * Implementation of hook_li_placeholders()
 */
function linkedin_status_li_placeholders($node) {
  global $user;
  $placeholders = array(
    '!title' => $node->title,
    '!url' => url('node/' . $node->nid, array(
      'absolute' => TRUE,
    )),
    '!user' => $user->name,
    '!site' => variable_get('site_name', $base_url),
  );
  return $placeholders;
}

/**
 * Implementation of hook_li_body()
 */
function linkedin_status_li_body($status, $placeholders) {
  global $user;
  $body['comment'] = strtr($status, $placeholders);
  $body['title'] = $placeholders['!title'];
  $body['submitted-url'] = $placeholders['!url'];
  return $body;
}

/**
 * Implementation of hook_li_set_status()
 */
function linkedin_status_li_set_status($uid, $status) {
  global $user;
  linkedin_put_profile_field($user->uid, $status, 'shares');
  drupal_set_message(t('Posted to LinkedIn'));
}

/*
 * Implementation of hook_linkedin_user_settings_page
 * Add our settings to user/%user/edit/linkedin
 */
function linkedin_status_linkedin_user_settings_page($form_state, $account) {
  $form = array();
  if (user_access('update LinkedIn status')) {

    //check if linkedin status update is enabled for at least one content type
    $types = node_get_types();
    $type = new stdClass();
    $type->type = 'event_signup';
    $types[] = $type;
    $type->type = 'comment';
    $types[] = $type;
    foreach ($types as $type) {
      if (variable_get('linkedin_status_enabled_' . $type->type, '0') == '1') {

        //if true add related option
        $form['linkedin_status_enabled_by_default'] = array(
          '#type' => 'checkbox',
          '#default_value' => isset($account->linkedin_status_enabled_by_default) ? $account->linkedin_status_enabled_by_default : '0',
          '#title' => t('By default, on actions such as posting content, update your LinkedIn status'),
          '#description' => t('(You can always bypass this setting individually)'),
        );
        break;
      }
    }
  }
  return $form;
}

Functions

Name	Description
linkedin_status_form_alter
linkedin_status_init	Implementation of hook_init()
linkedin_status_linkedin_user_edit_perms
linkedin_status_linkedin_user_settings_page
linkedin_status_li_body	Implementation of hook_li_body()
linkedin_status_li_placeholders	Implementation of hook_li_placeholders()
linkedin_status_li_set_status	Implementation of hook_li_set_status()
linkedin_status_nodeapi	Implementation of hook_nodeapi()
linkedin_status_perm
linkedin_status_set_status	Invokes hook_li_placeholders, hook_li_body, and hook_li_set_status